{"id":6148,"date":"2022-04-05T18:40:02","date_gmt":"2022-04-05T10:40:02","guid":{"rendered":"https:\/\/egonlin.com\/?p=6148"},"modified":"2022-04-16T19:49:20","modified_gmt":"2022-04-16T11:49:20","slug":"%e7%ac%ac%e5%8d%81%e5%9b%9b%e8%8a%82%ef%bc%9a%e5%b8%b8%e7%94%a8%e7%bb%84%e4%bb%b6","status":"publish","type":"post","link":"https:\/\/egonlin.com\/?p=6148","title":{"rendered":"\u7b2c\u5341\u56db\u8282\uff1a\u5e38\u7528\u7ec4\u4ef6"},"content":{"rendered":"

\u5e38\u7528\u7ec4\u4ef6<\/h1>\n

\"\"<\/div><\/p>\n

\u4e00\u3001\u5206\u9875\u5668\u7ec4\u4ef6<\/h2>\n
class Pagination(object):\n    def __init__(self,current_page,all_count,per_page_num=2,pager_count=11):\n        """\n        \u5c01\u88c5\u5206\u9875\u76f8\u5173\u6570\u636e\n        :param current_page: \u5f53\u524d\u9875\n        :param all_count:    \u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u603b\u6761\u6570\n        :param per_page_num: \u6bcf\u9875\u663e\u793a\u7684\u6570\u636e\u6761\u6570\n        :param pager_count:  \u6700\u591a\u663e\u793a\u7684\u9875\u7801\u4e2a\u6570\n\n        \u7528\u6cd5:\n        queryset = model.objects.all()\n        page_obj = Pagination(current_page,all_count)\n        page_data = queryset[page_obj.start:page_obj.end]\n        \u83b7\u53d6\u6570\u636e\u7528page_data\u800c\u4e0d\u518d\u4f7f\u7528\u539f\u59cb\u7684queryset\n        \u83b7\u53d6\u524d\u7aef\u5206\u9875\u6837\u5f0f\u7528page_obj.page_html\n        """\n        try:\n            current_page = int(current_page)\n        except Exception as e:\n            current_page = 1\n\n        if current_page <1:\n            current_page = 1\n\n        self.current_page = current_page\n\n        self.all_count = all_count\n        self.per_page_num = per_page_num\n\n        # \u603b\u9875\u7801\n        all_pager, tmp = divmod(all_count, per_page_num)\n        if tmp:\n            all_pager += 1\n        self.all_pager = all_pager\n\n        self.pager_count = pager_count\n        self.pager_count_half = int((pager_count - 1) \/ 2)\n\n    @property\n    def start(self):\n        return (self.current_page - 1) * self.per_page_num\n\n    @property\n    def end(self):\n        return self.current_page * self.per_page_num\n\n    def page_html(self):\n        # \u5982\u679c\u603b\u9875\u7801 < 11\u4e2a\uff1a\n        if self.all_pager <= self.pager_count:\n            pager_start = 1\n            pager_end = self.all_pager + 1\n        # \u603b\u9875\u7801  > 11\n        else:\n            # \u5f53\u524d\u9875\u5982\u679c<=\u9875\u9762\u4e0a\u6700\u591a\u663e\u793a11\/2\u4e2a\u9875\u7801\n            if self.current_page <= self.pager_count_half:\n                pager_start = 1\n                pager_end = self.pager_count + 1\n\n            # \u5f53\u524d\u9875\u5927\u4e8e5\n            else:\n                # \u9875\u7801\u7ffb\u5230\u6700\u540e\n                if (self.current_page + self.pager_count_half) > self.all_pager:\n                    pager_end = self.all_pager + 1\n                    pager_start = self.all_pager - self.pager_count + 1\n                else:\n                    pager_start = self.current_page - self.pager_count_half\n                    pager_end = self.current_page + self.pager_count_half + 1\n\n        page_html_list = []\n        # \u6dfb\u52a0\u524d\u9762\u7684nav\u548cul\u6807\u7b7e\n        page_html_list.append('''\n                    <nav aria-label='Page navigation>'\n                    <ul class='pagination'>\n                ''')\n        first_page = '<li><a href="?page=%s">\u9996\u9875<\/a><\/li>' % (1)\n        page_html_list.append(first_page)\n\n        if self.current_page <= 1:\n            prev_page = '<li class="disabled"><a href="#">\u4e0a\u4e00\u9875<\/a><\/li>'\n        else:\n            prev_page = '<li><a href="?page=%s">\u4e0a\u4e00\u9875<\/a><\/li>' % (self.current_page - 1,)\n\n        page_html_list.append(prev_page)\n\n        for i in range(pager_start, pager_end):\n            if i == self.current_page:\n                temp = '<li class="active"><a href="?page=%s">%s<\/a><\/li>' % (i, i,)\n            else:\n                temp = '<li><a href="?page=%s">%s<\/a><\/li>' % (i, i,)\n            page_html_list.append(temp)\n\n        if self.current_page >= self.all_pager:\n            next_page = '<li class="disabled"><a href="#">\u4e0b\u4e00\u9875<\/a><\/li>'\n        else:\n            next_page = '<li><a href="?page=%s">\u4e0b\u4e00\u9875<\/a><\/li>' % (self.current_page + 1,)\n        page_html_list.append(next_page)\n\n        last_page = '<li><a href="?page=%s">\u5c3e\u9875<\/a><\/li>' % (self.all_pager,)\n        page_html_list.append(last_page)\n        # \u5c3e\u90e8\u6dfb\u52a0\u6807\u7b7e\n        page_html_list.append('''\n                                           <\/nav>\n                                           <\/ul>\n                                       ''')\n        return ''.join(page_html_list)<\/code><\/pre>\n
\u4e8c\u3001 Form\u7ec4\u4ef6<\/h2>\n
1\u3001\u4ecb\u7ecd<\/h3>\n
\u6211\u4eec\u4e4b\u524d\u5728HTML\u9875\u9762\u4e2d\u5229\u7528form\u8868\u5355\u5411\u540e\u7aef\u63d0\u4ea4\u6570\u636e\u65f6\uff0c\u90fd\u4f1a\u5199\u4e00\u4e9b\u83b7\u53d6\u7528\u6237\u8f93\u5165\u7684\u6807\u7b7e\u5e76\u4e14\u7528form\u6807\u7b7e\u628a\u5b83\u4eec\u5305\u8d77\u6765\u3002<\/p>\n
\u4e0e\u6b64\u540c\u65f6\u6211\u4eec\u5728\u597d\u591a\u573a\u666f\u4e0b\u90fd\u9700\u8981\u5bf9\u7528\u6237\u7684\u8f93\u5165\u505a\u6821\u9a8c\uff0c\u6bd4\u5982\u6821\u9a8c\u7528\u6237\u662f\u5426\u8f93\u5165\uff0c\u8f93\u5165\u7684\u957f\u5ea6\u548c\u683c\u5f0f\u7b49\u6b63\u4e0d\u6b63\u786e\u3002\u5982\u679c\u7528\u6237\u8f93\u5165\u7684\u5185\u5bb9\u6709\u9519\u8bef\u5c31\u9700\u8981\u5728\u9875\u9762\u4e0a\u76f8\u5e94\u7684\u4f4d\u7f6e\u663e\u793a\u5bf9\u5e94\u7684\u9519\u8bef\u4fe1\u606f.\u3002<\/p>\n
Django form\u7ec4\u4ef6\u5c31\u5b9e\u73b0\u4e86\u4e0a\u9762\u6240\u8ff0\u7684\u529f\u80fd\u3002<\/p>\n
\u603b\u7ed3\u4e00\u4e0b\uff0c\u5176\u5b9eform\u7ec4\u4ef6\u7684\u4e3b\u8981\u529f\u80fd\u5982\u4e0b:<\/p>\n
l \u751f\u6210\u9875\u9762\u53ef\u7528\u7684HTML\u6807\u7b7e<\/p>\n
l \u5bf9\u7528\u6237\u63d0\u4ea4\u7684\u6570\u636e\u8fdb\u884c\u6821\u9a8c<\/p>\n
l \u4fdd\u7559\u4e0a\u6b21\u8f93\u5165\u5185\u5bb9<\/p>\n
2\u3001\u666e\u901a\u65b9\u5f0f\u624b\u5199\u6ce8\u518c\u529f\u80fd<\/h3>\n
views.py<\/p>\n
# \u6ce8\u518c\ndef register(request):\n    error_msg = ""\n    if request.method == "POST":\n        username = request.POST.get("name")\n        pwd = request.POST.get("pwd")\n        # \u5bf9\u6ce8\u518c\u4fe1\u606f\u505a\u6821\u9a8c\n        if len(username) < 6:\n            # \u7528\u6237\u957f\u5ea6\u5c0f\u4e8e6\u4f4d\n            error_msg = "\u7528\u6237\u540d\u957f\u5ea6\u4e0d\u80fd\u5c0f\u4e8e6\u4f4d"\n        else:\n            # \u5c06\u7528\u6237\u540d\u548c\u5bc6\u7801\u5b58\u5230\u6570\u636e\u5e93\n            return HttpResponse("\u6ce8\u518c\u6210\u529f")\n    return render(request, "register.html", {"error_msg": error_msg})<\/code><\/pre>\n
login.html<\/p>\n
<!DOCTYPE html>\n<html lang="en">\n<head>\n    <meta charset="UTF-8">\n    <title>\u6ce8\u518c\u9875\u9762<\/title>\n<\/head>\n<body>\n<form action="\/reg\/" method="post">\n    {% csrf_token %}\n    <p>\n        \u7528\u6237\u540d:\n        <input type="text" name="name">\n    <\/p>\n    <p>\n        \u5bc6\u7801\uff1a\n        <input type="password" name="pwd">\n    <\/p>\n    <p>\n        <input type="submit" value="\u6ce8\u518c">\n        <p style="color: red">{{ error_msg }}<\/p>\n    <\/p>\n<\/form>\n<\/body>\n<\/html><\/code><\/pre>\n
3\u3001\u4f7f\u7528form\u7ec4\u4ef6\u5b9e\u73b0\u6ce8\u518c\u529f\u80fd<\/h3>\n
views.py<\/p>\n
\u5148\u5b9a\u4e49\u597d\u4e00\u4e2aRegForm\u7c7b\uff1a<\/p>\n
from django import forms\n# \u6309\u7167Django form\u7ec4\u4ef6\u7684\u8981\u6c42\u81ea\u5df1\u5199\u4e00\u4e2a\u7c7b\nclass RegForm(forms.Form):\n    name = forms.CharField(label="\u7528\u6237\u540d")\n    pwd = forms.CharField(label="\u5bc6\u7801")<\/code><\/pre>\n
\u518d\u5199\u4e00\u4e2a\u89c6\u56fe\u51fd\u6570\uff1a<\/p>\n
# \u4f7f\u7528form\u7ec4\u4ef6\u5b9e\u73b0\u6ce8\u518c\u65b9\u5f0f\ndef register2(request):\n    form_obj = RegForm()\n    if request.method == "POST":\n        # \u5b9e\u4f8b\u5316form\u5bf9\u8c61\u7684\u65f6\u5019\uff0c\u628apost\u63d0\u4ea4\u8fc7\u6765\u7684\u6570\u636e\u76f4\u63a5\u4f20\u8fdb\u53bb\n        form_obj = RegForm(request.POST)\n        # \u8c03\u7528form_obj\u6821\u9a8c\u6570\u636e\u7684\u65b9\u6cd5\n        if form_obj.is_valid():\n            return HttpResponse("\u6ce8\u518c\u6210\u529f")\n    return render(request, "register2.html", {"form_obj": form_obj})<\/code><\/pre>\n
login2.html<\/p>\n
<!DOCTYPE html>\n<html lang="en">\n<head>\n    <meta charset="UTF-8">\n    <title>\u6ce8\u518c2<\/title>\n<\/head>\n<body>\n    <form action="\/reg2\/" method="post" novalidate autocomplete="off">\n        {% csrf_token %}\n        <div>\n            <label for="{{ form_obj.name.id_for_label }}">{{ form_obj.name.label }}<\/label>\n            {{ form_obj.name }} {{ form_obj.name.errors.0 }}\n        <\/div>\n        <div>\n            <label for="{{ form_obj.pwd.id_for_label }}">{{ form_obj.pwd.label }}<\/label>\n            {{ form_obj.pwd }} {{ form_obj.pwd.errors.0 }}\n        <\/div>\n        <div>\n            <input type="submit" class="btn btn-success" value="\u6ce8\u518c">\n        <\/div>\n    <\/form>\n<\/body>\n<\/html><\/code><\/pre>\n
\u770b\u7f51\u9875\u6548\u679c\u53d1\u73b0 \u4e5f\u9a8c\u8bc1\u4e86form\u7684\u529f\u80fd\uff1a<\/p>\n
\u2022 \u524d\u7aef\u9875\u9762\u662fform\u7c7b\u7684\u5bf9\u8c61\u751f\u6210\u7684                    –>\u751f\u6210HTML\u6807\u7b7e\u529f\u80fd<\/p>\n
\u2022 \u5f53\u7528\u6237\u540d\u548c\u5bc6\u7801\u8f93\u5165\u4e3a\u7a7a\u6216\u8f93\u9519\u4e4b\u540e \u9875\u9762\u90fd\u4f1a\u63d0\u793a     –>\u7528\u6237\u63d0\u4ea4\u6821\u9a8c\u529f\u80fd<\/p>\n
\u2022 \u5f53\u7528\u6237\u8f93\u9519\u4e4b\u540e \u518d\u6b21\u8f93\u5165 \u4e0a\u6b21\u7684\u5185\u5bb9\u8fd8\u4fdd\u7559\u5728input\u6846  –>\u4fdd\u7559\u4e0a\u6b21\u8f93\u5165\u5185\u5bb9<\/p>\n
4\u3001\u5e38\u7528\u5b57\u6bb5\u4e0e\u63d2\u4ef6<\/h3>\n
\u521b\u5efaForm\u7c7b\u65f6\uff0c\u4e3b\u8981\u6d89\u53ca\u5230 \u3010\u5b57\u6bb5\u3011 \u548c \u3010\u63d2\u4ef6\u3011\uff0c\u5b57\u6bb5\u7528\u4e8e\u5bf9\u7528\u6237\u8bf7\u6c42\u6570\u636e\u7684\u9a8c\u8bc1\uff0c\u63d2\u4ef6\u7528\u4e8e\u81ea\u52a8\u751f\u6210HTML;<\/p>\n
initial<\/p>\n
\u521d\u59cb\u503c\uff0cinput\u6846\u91cc\u9762\u7684\u521d\u59cb\u503c\u3002<\/p>\n
class LoginForm(forms.Form):\n    username = forms.CharField(\n        min_length=8,\n        label="\u7528\u6237\u540d",\n        initial="\u5f20\u4e09"  # \u8bbe\u7f6e\u9ed8\u8ba4\u503c\n    )\n    pwd = forms.CharField(min_length=6, label="\u5bc6\u7801")<\/code><\/pre>\n
error_messages<\/p>\n
\u91cd\u5199\u9519\u8bef\u4fe1\u606f\u3002<\/p>\n
class LoginForm(forms.Form):\n    username = forms.CharField(\n        min_length=8,\n        label="\u7528\u6237\u540d",\n        initial="\u5f20\u4e09",\n        error_messages={\n            "required": "\u4e0d\u80fd\u4e3a\u7a7a",\n            "invalid": "\u683c\u5f0f\u9519\u8bef",\n            "min_length": "\u7528\u6237\u540d\u6700\u77ed8\u4f4d"\n        }\n    )\n    pwd = forms.CharField(min_length=6, label="\u5bc6\u7801")<\/code><\/pre>\n
password<\/p>\n
class LoginForm(forms.Form):<\/p>\n
    ...\n    pwd = forms.CharField(\n        min_length=6,\n        label="\u5bc6\u7801",\n        widget=forms.widgets.PasswordInput(attrs={'class': 'c1'}, render_value=True)\n    )<\/code><\/pre>\n
radioSelect<\/p>\n
\u5355radio\u503c\u4e3a\u5b57\u7b26\u4e32<\/p>\n
class LoginForm(forms.Form):\n    username = forms.CharField(\n        min_length=8,\n        label="\u7528\u6237\u540d",\n        initial="\u5f20\u4e09",\n        error_messages={\n            "required": "\u4e0d\u80fd\u4e3a\u7a7a",\n            "invalid": "\u683c\u5f0f\u9519\u8bef",\n            "min_length": "\u7528\u6237\u540d\u6700\u77ed8\u4f4d"\n        }\n    )\n    pwd = forms.CharField(min_length=6, label="\u5bc6\u7801")\n    gender = forms.fields.ChoiceField(\n        choices=((1, "\u7537"), (2, "\u5973"), (3, "\u4fdd\u5bc6")),\n        label="\u6027\u522b",\n        initial=3,\n        widget=forms.widgets.RadioSelect()\n    )<\/code><\/pre>\n
\u5355\u9009Select<\/p>\n
class LoginForm(forms.Form):\n    ...\n    hobby = forms.ChoiceField(\n        choices=((1, "\u7bee\u7403"), (2, "\u8db3\u7403"), (3, "\u53cc\u8272\u7403"), ),\n        label="\u7231\u597d",\n        initial=3,\n        widget=forms.widgets.Select()\n    )<\/code><\/pre>\n
\u591a\u9009Select<\/p>\n
class LoginForm(forms.Form):\n    ...\n    hobby = forms.MultipleChoiceField(\n        choices=((1, "\u7bee\u7403"), (2, "\u8db3\u7403"), (3, "\u53cc\u8272\u7403"), ),\n        label="\u7231\u597d",\n        initial=[1, 3],\n        widget=forms.widgets.SelectMultiple()\n    )<\/code><\/pre>\n
\u5355\u9009checkbox<\/p>\n
class LoginForm(forms.Form):\n    ...\n    keep = forms.ChoiceField(\n        label="\u662f\u5426\u8bb0\u4f4f\u5bc6\u7801",\n        initial="checked",\n        widget=forms.widgets.CheckboxInput()\n    )<\/code><\/pre>\n
\u591a\u9009checkbox<\/p>\n
class LoginForm(forms.Form):\n    ...\n    hobby = forms.MultipleChoiceField(\n        choices=((1, "\u7bee\u7403"), (2, "\u8db3\u7403"), (3, "\u53cc\u8272\u7403"),),\n        label="\u7231\u597d",\n        initial=[1, 3],\n        widget=forms.widgets.CheckboxSelectMultiple()\n    )<\/code><\/pre>\n
choice\u5b57\u6bb5\u6ce8\u610f\u4e8b\u9879<\/p>\n
\u5728\u4f7f\u7528\u9009\u62e9\u6807\u7b7e\u65f6\uff0c\u9700\u8981\u6ce8\u610fchoices\u7684\u9009\u9879\u53ef\u4ee5\u914d\u7f6e\u4ece\u6570\u636e\u5e93\u4e2d\u83b7\u53d6\uff0c\u4f46\u662f\u7531\u4e8e\u662f\u9759\u6001\u5b57\u6bb5 \u83b7\u53d6\u7684\u503c\u65e0\u6cd5\u5b9e\u65f6\u66f4\u65b0\uff0c\u9700\u8981\u91cd\u5199\u6784\u9020\u65b9\u6cd5\u4ece\u800c\u5b9e\u73b0choice\u5b9e\u65f6\u66f4\u65b0\u3002<\/p>\n
\u65b9\u5f0f\u4e00\uff1a<\/p>\n
from django.forms import Form\nfrom django.forms import widgets\nfrom django.forms import fields\n\nclass MyForm(Form):\n\n    user = fields.ChoiceField(\n        # choices=((1, '\u4e0a\u6d77'), (2, '\u5317\u4eac'),),\n        initial=2,\n        widget=widgets.Select\n    )\n\n    def __init__(self, *args, **kwargs):\n        super(MyForm,self).__init__(*args, **kwargs)\n        # self.fields['user'].choices = ((1, '\u4e0a\u6d77'), (2, '\u5317\u4eac'),)\n        # \u6216\n        self.fields['user'].choices = models.Classes.objects.all().values_list('id','caption')<\/code><\/pre>\n
\u65b9\u5f0f\u4e8c\uff1a<\/p>\n
from django import forms\nfrom django.forms import fields\nfrom django.forms import models as form_model\n\nclass FInfo(forms.Form):\n    authors = form_model.ModelMultipleChoiceField(queryset=models.NNewType.objects.all())  # \u591a\u9009\n# authors = form_model.ModelChoiceField(queryset=models.NNewType.objects.all())  # \u5355\u9009<\/code><\/pre>\n
5\u3001\u5b57\u6bb5\u6821\u9a8c<\/h3>\n
1.RegexValidator\u9a8c\u8bc1\u5668<\/h4>\n
from django.forms import Form\nfrom django.forms import widgets\nfrom django.forms import fields\nfrom django.core.validators import RegexValidator\n\nclass MyForm(Form):\n    user = fields.CharField(\n        validators=[RegexValidator(r'^[0-9]+$', '\u8bf7\u8f93\u5165\u6570\u5b57'), RegexValidator(r'^159[0-9]+$', '\u6570\u5b57\u5fc5\u987b\u4ee5159\u5f00\u5934')],\n    )<\/code><\/pre>\n
\u81ea\u5b9a\u4e49\u9a8c\u8bc1\u51fd\u6570<\/p>\n
import re\nfrom django.forms import Form\nfrom django.forms import widgets\nfrom django.forms import fields\nfrom django.core.exceptions import ValidationError\n\n# \u81ea\u5b9a\u4e49\u9a8c\u8bc1\u89c4\u5219\ndef mobile_validate(value):\n    mobile_re = re.compile(r'^(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$')\n    if not mobile_re.match(value):\n        raise ValidationError('\u624b\u673a\u53f7\u7801\u683c\u5f0f\u9519\u8bef')\n\nclass PublishForm(Form):\n\n    title = fields.CharField(max_length=20,\n                            min_length=5,\n                            error_messages={'required': '\u6807\u9898\u4e0d\u80fd\u4e3a\u7a7a',\n                                            'min_length': '\u6807\u9898\u6700\u5c11\u4e3a5\u4e2a\u5b57\u7b26',\n                                            'max_length': '\u6807\u9898\u6700\u591a\u4e3a20\u4e2a\u5b57\u7b26'},\n                            widget=widgets.TextInput(attrs={'class': "form-control",\n                                                          'placeholder': '\u6807\u98985-20\u4e2a\u5b57\u7b26'}))\n\n    # \u4f7f\u7528\u81ea\u5b9a\u4e49\u9a8c\u8bc1\u89c4\u5219\n    phone = fields.CharField(validators=[mobile_validate, ],\n                            error_messages={'required': '\u624b\u673a\u4e0d\u80fd\u4e3a\u7a7a'},\n                            widget=widgets.TextInput(attrs={'class': "form-control",\n                                                          'placeholder': u'\u624b\u673a\u53f7\u7801'}))\n\n    email = fields.EmailField(required=False,\n                            error_messages={'required': u'\u90ae\u7bb1\u4e0d\u80fd\u4e3a\u7a7a','invalid': u'\u90ae\u7bb1\u683c\u5f0f\u9519\u8bef'},\n                            widget=widgets.TextInput(attrs={'class': "form-control", 'placeholder': u'\u90ae\u7bb1'}))<\/code><\/pre>\n
2. Hook\u65b9\u6cd5<\/h4>\n
\u9664\u4e86\u4e0a\u9762\u4e24\u79cd\u65b9\u5f0f\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u5728Form\u7c7b\u4e2d\u5b9a\u4e49\u94a9\u5b50\u51fd\u6570\uff0c\u6765\u5b9e\u73b0\u81ea\u5b9a\u4e49\u7684\u9a8c\u8bc1\u529f\u80fd\u3002<\/p>\n
\u5c40\u90e8\u94a9\u5b50<\/p>\n
\u6211\u4eec\u5728Fom\u7c7b\u4e2d\u5b9a\u4e49 clean_\u5b57\u6bb5\u540d() \u65b9\u6cd5\uff0c\u5c31\u80fd\u591f\u5b9e\u73b0\u5bf9\u7279\u5b9a\u5b57\u6bb5\u8fdb\u884c\u6821\u9a8c\u3002<\/p>\n
\u4e3e\u4e2a\u4f8b\u5b50\uff1a<\/p>\n
class LoginForm(forms.Form):\n    username = forms.CharField(\n        min_length=8,\n        label="\u7528\u6237\u540d",\n        initial="\u5f20\u4e09",\n        error_messages={\n            "required": "\u4e0d\u80fd\u4e3a\u7a7a",\n            "invalid": "\u683c\u5f0f\u9519\u8bef",\n            "min_length": "\u7528\u6237\u540d\u6700\u77ed8\u4f4d"\n        },\n        widget=forms.widgets.TextInput(attrs={"class": "form-control"})\n    )\n    ...\n    # \u5b9a\u4e49\u5c40\u90e8\u94a9\u5b50\uff0c\u7528\u6765\u6821\u9a8cusername\u5b57\u6bb5\n    def clean_username(self):\n        value = self.cleaned_data.get("username")\n        if "666" in value:\n            raise ValidationError("\u5149\u558a666\u662f\u4e0d\u884c\u7684")\n        else:\n            return value<\/code><\/pre>\n
\u5168\u5c40\u94a9\u5b50<\/p>\n
\u6211\u4eec\u5728Fom\u7c7b\u4e2d\u5b9a\u4e49 clean() \u65b9\u6cd5\uff0c\u5c31\u80fd\u591f\u5b9e\u73b0\u5bf9\u5b57\u6bb5\u8fdb\u884c\u5168\u5c40\u6821\u9a8c\u3002<\/p>\n
class LoginForm(forms.Form):\n    ...\n    password = forms.CharField(\n        min_length=6,\n        label="\u5bc6\u7801",\n        widget=forms.widgets.PasswordInput(attrs={'class': 'form-control'}, render_value=True)\n    )\n    re_password = forms.CharField(\n        min_length=6,\n        label="\u786e\u8ba4\u5bc6\u7801",\n        widget=forms.widgets.PasswordInput(attrs={'class': 'form-control'}, render_value=True)\n    )\n    ...\n    # \u5b9a\u4e49\u5168\u5c40\u7684\u94a9\u5b50\uff0c\u7528\u6765\u6821\u9a8c\u5bc6\u7801\u548c\u786e\u8ba4\u5bc6\u7801\u5b57\u6bb5\u662f\u5426\u76f8\u540c\n    def clean(self):\n        password_value = self.cleaned_data.get('password')\n        re_password_value = self.cleaned_data.get('re_password')\n        if password_value == re_password_value:\n            return self.cleaned_data\n        else:\n            self.add_error('re_password', '\u4e24\u6b21\u5bc6\u7801\u4e0d\u4e00\u81f4')\n            raise ValidationError('\u4e24\u6b21\u5bc6\u7801\u4e0d\u4e00\u81f4')<\/code><\/pre>\n
6\u3001\u8865\u5145<\/h3>\n
1.\u5e94\u7528Bootstrap\u6837\u5f0f<\/h4>\n
<!DOCTYPE html>\n<html lang="en">\n<head>\n  <meta charset="UTF-8">\n  <meta http-equiv="x-ua-compatible" content="IE=edge">\n  <meta name="viewport" content="width=device-width, initial-scale=1">\n  <link rel="stylesheet" href="\/static\/bootstrap\/css\/bootstrap.min.css">\n  <title>login<\/title>\n<\/head>\n<body>\n<div class="container">\n  <div class="row">\n    <form action="\/login2\/" method="post" novalidate class="form-horizontal">\n      {% csrf_token %}\n      <div class="form-group">\n        <label for="{{ form_obj.username.id_for_label }}"\n               class="col-md-2 control-label">{{ form_obj.username.label }}<\/label>\n        <div class="col-md-10">\n          {{ form_obj.username }}\n          <span class="help-block">{{ form_obj.username.errors.0 }}<\/span>\n        <\/div>\n      <\/div>\n      <div class="form-group">\n        <label for="{{ form_obj.pwd.id_for_label }}" class="col-md-2 control-label">{{ form_obj.pwd.label }}<\/label>\n        <div class="col-md-10">\n          {{ form_obj.pwd }}\n          <span class="help-block">{{ form_obj.pwd.errors.0 }}<\/span>\n        <\/div>\n      <\/div>\n      <div class="form-group">\n      <label class="col-md-2 control-label">{{ form_obj.gender.label }}<\/label>\n        <div class="col-md-10">\n          <div class="radio">\n            {% for radio in form_obj.gender %}\n              <label for="{{ radio.id_for_label }}">\n                {{ radio.tag }}{{ radio.choice_label }}\n              <\/label>\n            {% endfor %}\n          <\/div>\n        <\/div>\n      <\/div>\n      <div class="form-group">\n        <div class="col-md-offset-2 col-md-10">\n          <button type="submit" class="btn btn-default">\u6ce8\u518c<\/button>\n        <\/div>\n      <\/div>\n    <\/form>\n  <\/div>\n<\/div>\n\n<script src="\/static\/jquery-3.2.1.min.js"><\/script>\n<script src="\/static\/bootstrap\/js\/bootstrap.min.js"><\/script>\n<\/body>\n<\/html><\/code><\/pre>\n
2.\u6279\u91cf\u6dfb\u52a0\u6837\u5f0f<\/h4>\n
\u53ef\u901a\u8fc7\u91cd\u5199form\u7c7b\u7684init\u65b9\u6cd5\u6765\u5b9e\u73b0\u3002\nclass LoginForm(forms.Form):\n    username = forms.CharField(\n        min_length=8,\n        label="\u7528\u6237\u540d",\n        initial="\u5f20\u4e09",\n        error_messages={\n            "required": "\u4e0d\u80fd\u4e3a\u7a7a",\n            "invalid": "\u683c\u5f0f\u9519\u8bef",\n            "min_length": "\u7528\u6237\u540d\u6700\u77ed8\u4f4d"\n        }\n    ...\n\n    def __init__(self, *args, **kwargs):\n        super(LoginForm, self).__init__(*args, **kwargs)\n        for field in iter(self.fields):\n            self.fields[field].widget.attrs.update({\n                'class': 'form-control'\n            })<\/code><\/pre>\n
3.ModelForm<\/h4>\n
\u901a\u5e38\u5728Django\u9879\u76ee\u4e2d\uff0c\u6211\u4eec\u7f16\u5199\u7684\u5927\u90e8\u5206\u90fd\u662f\u4e0eDjango \u7684\u6a21\u578b\u7d27\u5bc6\u6620\u5c04\u7684\u8868\u5355\u3002 \u4e3e\u4e2a\u4f8b\u5b50\uff0c\u4f60\u4e5f\u8bb8\u4f1a\u6709\u4e2aBook \u6a21\u578b\uff0c\u5e76\u4e14\u4f60\u8fd8\u60f3\u521b\u5efa\u4e00\u4e2aform\u8868\u5355\u7528\u6765\u6dfb\u52a0\u548c\u7f16\u8f91\u4e66\u7c4d\u4fe1\u606f\u5230\u8fd9\u4e2a\u6a21\u578b\u4e2d\u3002 \u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5728form\u8868\u5355\u4e2d\u5b9a\u4e49\u5b57\u6bb5\u5c06\u662f\u5197\u4f59\u7684\uff0c\u56e0\u4e3a\u6211\u4eec\u5df2\u7ecf\u5728\u6a21\u578b\u4e2d\u5b9a\u4e49\u4e86\u90a3\u4e9b\u5b57\u6bb5\u3002<\/p>\n
\u57fa\u4e8e\u8fd9\u4e2a\u539f\u56e0\uff0cDjango \u63d0\u4f9b\u4e00\u4e2a\u8f85\u52a9\u7c7b\u6765\u8ba9\u6211\u4eec\u53ef\u4ee5\u4eceDjango \u7684\u6a21\u578b\u521b\u5efaForm\uff0c\u8fd9\u5c31\u662fModelForm\u3002<\/p>\n
modelForm\u5b9a\u4e49<\/p>\n
form\u4e0emodel\u7684\u7ec8\u6781\u7ed3\u5408\u3002<\/p>\n
class BookForm(forms.ModelForm):\n\n    class Meta:\n        model = models.Book\n        fields = "__all__"\n        labels = {\n            "title": "\u4e66\u540d",\n            "price": "\u4ef7\u683c"\n        }\n        widgets = {\n            "password": forms.widgets.PasswordInput(attrs={"class": "c1"}),<\/code><\/pre>\n
class Meta\u4e0b\u5e38\u7528\u53c2\u6570\uff1a<\/p>\n
model = models.Book  # \u5bf9\u5e94\u7684Model\u4e2d\u7684\u7c7b\nfields = "__all__"  # \u5b57\u6bb5\uff0c\u5982\u679c\u662f__all__,\u5c31\u662f\u8868\u793a\u5217\u51fa\u6240\u6709\u7684\u5b57\u6bb5\nexclude = None  # \u6392\u9664\u7684\u5b57\u6bb5\nlabels = None  # \u63d0\u793a\u4fe1\u606f\nhelp_texts = None  # \u5e2e\u52a9\u63d0\u793a\u4fe1\u606f\nwidgets = None  # \u81ea\u5b9a\u4e49\u63d2\u4ef6\nerror_messages = None  # \u81ea\u5b9a\u4e49\u9519\u8bef\u4fe1\u606f<\/code><\/pre>\n
ModelForm\u7684\u9a8c\u8bc1<\/p>\n
\u4e0e\u666e\u901a\u7684Form\u8868\u5355\u9a8c\u8bc1\u7c7b\u578b\u7c7b\u4f3c\uff0cModelForm\u8868\u5355\u7684\u9a8c\u8bc1\u5728\u8c03\u7528is_valid() \u6216\u8bbf\u95eeerrors \u5c5e\u6027\u65f6\u9690\u5f0f\u8c03\u7528\u3002<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u50cf\u4f7f\u7528Form\u7c7b\u4e00\u6837\u81ea\u5b9a\u4e49\u5c40\u90e8\u94a9\u5b50\u65b9\u6cd5\u548c\u5168\u5c40\u94a9\u5b50\u65b9\u6cd5\u6765\u5b9e\u73b0\u81ea\u5b9a\u4e49\u7684\u6821\u9a8c\u89c4\u5219\u3002<\/p>\n
\u5982\u679c\u6211\u4eec\u4e0d\u91cd\u5199\u5177\u4f53\u5b57\u6bb5\u5e76\u8bbe\u7f6evalidators\u5c5e\u6027\u7684\u5316\uff0cModelForm\u662f\u6309\u7167\u6a21\u578b\u4e2d\u5b57\u6bb5\u7684validators\u6765\u6821\u9a8c\u7684\u3002<\/p>\n
save()\u65b9\u6cd5<\/p>\n
\u6bcf\u4e2aModelForm\u8fd8\u5177\u6709\u4e00\u4e2asave()\u65b9\u6cd5\u3002 \u8fd9\u4e2a\u65b9\u6cd5\u6839\u636e\u8868\u5355\u7ed1\u5b9a\u7684\u6570\u636e\u521b\u5efa\u5e76\u4fdd\u5b58\u6570\u636e\u5e93\u5bf9\u8c61\u3002 ModelForm\u7684\u5b50\u7c7b\u53ef\u4ee5\u63a5\u53d7\u73b0\u6709\u7684\u6a21\u578b\u5b9e\u4f8b\u4f5c\u4e3a\u5173\u952e\u5b57\u53c2\u6570instance\uff1b\u5982\u679c\u63d0\u4f9b\u6b64\u529f\u80fd\uff0c\u5219save()\u5c06\u66f4\u65b0\u8be5\u5b9e\u4f8b\u3002 \u5982\u679c\u6ca1\u6709\u63d0\u4f9b\uff0csave() \u5c06\u521b\u5efa\u6a21\u578b\u7684\u4e00\u4e2a\u65b0\u5b9e\u4f8b\uff1a<\/p>\n
>>> from myapp.models import Book\n>>> from myapp.forms import BookForm\n\n# \u6839\u636ePOST\u6570\u636e\u521b\u5efa\u4e00\u4e2a\u65b0\u7684form\u5bf9\u8c61\n>>> form_obj = BookForm(request.POST)\n\n# \u521b\u5efa\u4e66\u7c4d\u5bf9\u8c61\n>>> new_ book = form_obj.save()\n\n# \u57fa\u4e8e\u4e00\u4e2a\u4e66\u7c4d\u5bf9\u8c61\u521b\u5efaform\u5bf9\u8c61\n>>> edit_obj = Book.objects.get(id=1)\n# \u4f7f\u7528POST\u63d0\u4ea4\u7684\u6570\u636e\u66f4\u65b0\u4e66\u7c4d\u5bf9\u8c61\n>>> form_obj = BookForm(request.POST, instance=edit_obj)\n>>> form_obj.save()<\/code><\/pre>\n
\u4e09\u3001Auth\u7ec4\u4ef6<\/h2>\n
1\u3001Auth\u6a21\u5757\u662f\u4ec0\u4e48<\/h3>\n
Auth\u6a21\u5757\u662fDjango\u81ea\u5e26\u7684\u7528\u6237\u8ba4\u8bc1\u6a21\u5757\uff1a<\/p>\n
\u6211\u4eec\u5728\u5f00\u53d1\u4e00\u4e2a\u7f51\u7ad9\u7684\u65f6\u5019\uff0c\u65e0\u53ef\u907f\u514d\u7684\u9700\u8981\u8bbe\u8ba1\u5b9e\u73b0\u7f51\u7ad9\u7684\u7528\u6237\u7cfb\u7edf\u3002\u6b64\u65f6\u6211\u4eec\u9700\u8981\u5b9e\u73b0\u5305\u62ec\u7528\u6237\u6ce8\u518c\u3001\u7528\u6237\u767b\u5f55\u3001\u7528\u6237\u8ba4\u8bc1\u3001\u6ce8\u9500\u3001\u4fee\u6539\u5bc6\u7801\u7b49\u529f\u80fd\uff0c\u8fd9\u8fd8\u771f\u662f\u4e2a\u9ebb\u70e6\u7684\u4e8b\u60c5\u5462\u3002<\/p>\n
Django\u4f5c\u4e3a\u4e00\u4e2a\u5b8c\u7f8e\u4e3b\u4e49\u8005\u7684\u7ec8\u6781\u6846\u67b6\uff0c\u5f53\u7136\u4e5f\u4f1a\u60f3\u5230\u7528\u6237\u7684\u8fd9\u4e9b\u75db\u70b9\u3002\u5b83\u5185\u7f6e\u4e86\u5f3a\u5927\u7684\u7528\u6237\u8ba4\u8bc1\u7cfb\u7edf–auth\uff0c\u5b83\u9ed8\u8ba4\u4f7f\u7528 auth_user \u8868\u6765\u5b58\u50a8\u7528\u6237\u6570\u636e\u3002<\/p>\n
2\u3001auth\u6a21\u5757\u5e38\u7528\u65b9\u6cd5<\/h3>\n
from django.contrib import auth\nauthenticate()<\/code><\/pre>\n
\u63d0\u4f9b\u4e86\u7528\u6237\u8ba4\u8bc1\u529f\u80fd\uff0c\u5373\u9a8c\u8bc1\u7528\u6237\u540d\u4ee5\u53ca\u5bc6\u7801\u662f\u5426\u6b63\u786e\uff0c\u4e00\u822c\u9700\u8981username \u3001password\u4e24\u4e2a\u5173\u952e\u5b57\u53c2\u6570\u3002<\/p>\n
\u5982\u679c\u8ba4\u8bc1\u6210\u529f\uff08\u7528\u6237\u540d\u548c\u5bc6\u7801\u6b63\u786e\u6709\u6548\uff09\uff0c\u4fbf\u4f1a\u8fd4\u56de\u4e00\u4e2a User \u5bf9\u8c61\u3002<\/p>\n
authenticate()\u4f1a\u5728\u8be5 User \u5bf9\u8c61\u4e0a\u8bbe\u7f6e\u4e00\u4e2a\u5c5e\u6027\u6765\u6807\u8bc6\u540e\u7aef\u5df2\u7ecf\u8ba4\u8bc1\u4e86\u8be5\u7528\u6237\uff0c\u4e14\u8be5\u4fe1\u606f\u5728\u540e\u7eed\u7684\u767b\u5f55\u8fc7\u7a0b\u4e2d\u662f\u9700\u8981\u7684\u3002<\/p>\n
\u7528\u6cd5\uff1a<\/p>\n
user = authenticate(username='usernamer',password='password')\nlogin(HttpRequest, user)<\/code><\/pre>\n
\u8be5\u51fd\u6570\u63a5\u53d7\u4e00\u4e2aHttpRequest\u5bf9\u8c61\uff0c\u4ee5\u53ca\u4e00\u4e2a\u7ecf\u8fc7\u8ba4\u8bc1\u7684User\u5bf9\u8c61\u3002<\/p>\n
\u8be5\u51fd\u6570\u5b9e\u73b0\u4e00\u4e2a\u7528\u6237\u767b\u5f55\u7684\u529f\u80fd\u3002\u5b83\u672c\u8d28\u4e0a\u4f1a\u5728\u540e\u7aef\u4e3a\u8be5\u7528\u6237\u751f\u6210\u76f8\u5173session\u6570\u636e\u3002<\/p>\n
\u7528\u6cd5\uff1a<\/p>\n
from django.contrib.auth import authenticate, login\n\ndef my_view(request):\n  username = request.POST['username']\n  password = request.POST['password']\n  user = authenticate(username=username, password=password)\n  if user is not None:\n    login(request, user)\n    # Redirect to a success page.\n    ...\n  else:\n    # Return an 'invalid login' error message.\n    ...\nlogout(request)<\/code><\/pre>\n
\u8be5\u51fd\u6570\u63a5\u53d7\u4e00\u4e2aHttpRequest\u5bf9\u8c61\uff0c\u65e0\u8fd4\u56de\u503c\u3002<\/p>\n
\u5f53\u8c03\u7528\u8be5\u51fd\u6570\u65f6\uff0c\u5f53\u524d\u8bf7\u6c42\u7684session\u4fe1\u606f\u4f1a\u5168\u90e8\u6e05\u9664\u3002\u8be5\u7528\u6237\u5373\u4f7f\u6ca1\u6709\u767b\u5f55\uff0c\u4f7f\u7528\u8be5\u51fd\u6570\u4e5f\u4e0d\u4f1a\u62a5\u9519\u3002<\/p>\n
\u7528\u6cd5\uff1a\nfrom django.contrib.auth import logout\n   def logout_view(request):\n  logout(request)\n  # Redirect to a success page.<\/code><\/pre>\n
is_authenticated()<\/p>\n
\u7528\u6765\u5224\u65ad\u5f53\u524d\u8bf7\u6c42\u662f\u5426\u901a\u8fc7\u4e86\u8ba4\u8bc1\u3002<\/p>\n
\u7528\u6cd5\uff1a<\/p>\n
def my_view(request):\n  if not request.user.is_authenticated():\n    return redirect('%s?next=%s' % (settings.LOGIN_URL, request.path))<\/code><\/pre>\n
login_requierd()<\/p>\n
auth \u7ed9\u6211\u4eec\u63d0\u4f9b\u7684\u4e00\u4e2a\u88c5\u9970\u5668\u5de5\u5177\uff0c\u7528\u6765\u5feb\u6377\u7684\u7ed9\u67d0\u4e2a\u89c6\u56fe\u6dfb\u52a0\u767b\u5f55\u6821\u9a8c\u3002<\/p>\n
\u7528\u6cd5\uff1a<\/p>\n
from django.contrib.auth.decorators import login_required\n@login_required\ndef my_view(request):\n  ...<\/code><\/pre>\n
\u82e5\u7528\u6237\u6ca1\u6709\u767b\u5f55\uff0c\u5219\u4f1a\u8df3\u8f6c\u5230django\u9ed8\u8ba4\u7684 \u767b\u5f55URL ‘\/accounts\/login\/ ‘ \u5e76\u4f20\u9012\u5f53\u524d\u8bbf\u95eeurl\u7684\u7edd\u5bf9\u8def\u5f84 (\u767b\u9646\u6210\u529f\u540e\uff0c\u4f1a\u91cd\u5b9a\u5411\u5230\u8be5\u8def\u5f84)\u3002<\/p>\n
\u5982\u679c\u9700\u8981\u81ea\u5b9a\u4e49\u767b\u5f55\u7684URL\uff0c\u5219\u9700\u8981\u5728settings.py\u6587\u4ef6\u4e2d\u901a\u8fc7LOGIN_URL\u8fdb\u884c\u4fee\u6539\u3002<\/p>\n
\u793a\u4f8b\uff1a<\/p>\n
LOGIN_URL = '\/login\/'  # \u8fd9\u91cc\u914d\u7f6e\u6210\u4f60\u9879\u76ee\u767b\u5f55\u9875\u9762\u7684\u8def\u7531\ncreate_user()\nauth \u63d0\u4f9b\u7684\u4e00\u4e2a\u521b\u5efa\u65b0\u7528\u6237\u7684\u65b9\u6cd5\uff0c\u9700\u8981\u63d0\u4f9b\u5fc5\u8981\u53c2\u6570\uff08username\u3001password\uff09\u7b49\u3002<\/code><\/pre>\n
\u7528\u6cd5\uff1a<\/p>\n
from django.contrib.auth.models import User\nuser = User.objects.create_user\uff08username='\u7528\u6237\u540d',password='\u5bc6\u7801',email='\u90ae\u7bb1',...\uff09<\/code><\/pre>\n
create_superuser()<\/p>\n
auth \u63d0\u4f9b\u7684\u4e00\u4e2a\u521b\u5efa\u65b0\u7684\u8d85\u7ea7\u7528\u6237\u7684\u65b9\u6cd5\uff0c\u9700\u8981\u63d0\u4f9b\u5fc5\u8981\u53c2\u6570\uff08username\u3001password\uff09\u7b49\u3002<\/p>\n
\u7528\u6cd5\uff1a<\/p>\n
from django.contrib.auth.models import User\nuser = User.objects.create_superuser\uff08username='\u7528\u6237\u540d',password='\u5bc6\u7801',email='\u90ae\u7bb1',...\uff09<\/code><\/pre>\n
check_password(password)<\/p>\n
auth \u63d0\u4f9b\u7684\u4e00\u4e2a\u68c0\u67e5\u5bc6\u7801\u662f\u5426\u6b63\u786e\u7684\u65b9\u6cd5\uff0c\u9700\u8981\u63d0\u4f9b\u5f53\u524d\u8bf7\u6c42\u7528\u6237\u7684\u5bc6\u7801\u3002<\/p>\n
\u5bc6\u7801\u6b63\u786e\u8fd4\u56deTrue\uff0c\u5426\u5219\u8fd4\u56deFalse\u3002<\/p>\n
\u7528\u6cd5\uff1a<\/p>\n
ok = user.check_password('\u5bc6\u7801')\nset_password(password)<\/code><\/pre>\n
auth \u63d0\u4f9b\u7684\u4e00\u4e2a\u4fee\u6539\u5bc6\u7801\u7684\u65b9\u6cd5\uff0c\u63a5\u6536 \u8981\u8bbe\u7f6e\u7684\u65b0\u5bc6\u7801 \u4f5c\u4e3a\u53c2\u6570\u3002<\/p>\n
\u6ce8\u610f\uff1a\u8bbe\u7f6e\u5b8c\u4e00\u5b9a\u8981\u8c03\u7528\u7528\u6237\u5bf9\u8c61\u7684save\u65b9\u6cd5\uff01\uff01\uff01<\/p>\n
\u7528\u6cd5\uff1a<\/p>\n
user.set_password(password='')\nuser.save()<\/code><\/pre>\n
\u4e00\u4e2a\u4fee\u6539\u5bc6\u7801\u7684\u7b80\u5355\u793a\u4f8b<\/p>\n
@login_required\ndef set_password(request):\n    user = request.user\n    err_msg = ''\n    if request.method == 'POST':\n        old_password = request.POST.get('old_password', '')\n        new_password = request.POST.get('new_password', '')\n        repeat_password = request.POST.get('repeat_password', '')\n        # \u68c0\u67e5\u65e7\u5bc6\u7801\u662f\u5426\u6b63\u786e\n        if user.check_password(old_password):\n            if not new_password:\n                err_msg = '\u65b0\u5bc6\u7801\u4e0d\u80fd\u4e3a\u7a7a'\n            elif new_password != repeat_password:\n                err_msg = '\u4e24\u6b21\u5bc6\u7801\u4e0d\u4e00\u81f4'\n            else:\n                user.set_password(new_password)\n                user.save()\n                return redirect("\/login\/")\n        else:\n            err_msg = '\u539f\u5bc6\u7801\u8f93\u5165\u9519\u8bef'\n    content = {\n        'err_msg': err_msg,\n    }\n    return render(request, 'set_password.html', content)<\/code><\/pre>\n
User\u5bf9\u8c61\u7684\u5c5e\u6027<\/p>\n
User\u5bf9\u8c61\u5c5e\u6027\uff1ausername\uff0c password<\/p>\n
is_staff \uff1a \u7528\u6237\u662f\u5426\u62e5\u6709\u7f51\u7ad9\u7684\u7ba1\u7406\u6743\u9650.<\/p>\n
is_active \uff1a \u662f\u5426\u5141\u8bb8\u7528\u6237\u767b\u5f55, \u8bbe\u7f6e\u4e3a False\uff0c\u53ef\u4ee5\u5728\u4e0d\u5220\u9664\u7528\u6237\u7684\u524d\u63d0\u4e0b\u7981\u6b62\u7528\u6237\u767b\u5f55\u3002<\/p>\n
3\u3001\u6269\u5c55\u9ed8\u8ba4\u7684auth_user\u8868<\/h3>\n
\u8fd9\u5185\u7f6e\u7684\u8ba4\u8bc1\u7cfb\u7edf\u8fd9\u4e48\u597d\u7528\uff0c\u4f46\u662fauth_user\u8868\u5b57\u6bb5\u90fd\u662f\u56fa\u5b9a\u7684\u90a3\u51e0\u4e2a\uff0c\u6211\u5728\u9879\u76ee\u4e2d\u6ca1\u6cd5\u62ff\u6765\u76f4\u63a5\u4f7f\u7528\u554a\uff01\n\u6bd4\u5982\uff0c\u6211\u60f3\u8981\u52a0\u4e00\u4e2a\u5b58\u50a8\u7528\u6237\u624b\u673a\u53f7\u7684\u5b57\u6bb5\uff0c\u600e\u4e48\u529e\uff1f\n\u806a\u660e\u7684\u4f60\u53ef\u80fd\u4f1a\u60f3\u5230\u65b0\u5efa\u53e6\u5916\u4e00\u5f20\u8868\u7136\u540e\u901a\u8fc7\u4e00\u5bf9\u4e00\u548c\u5185\u7f6e\u7684auth_user\u8868\u5173\u8054\uff0c\u8fd9\u6837\u867d\u7136\u80fd\u6ee1\u8db3\u8981\u6c42\u4f46\u662f\u6709\u6ca1\u6709\u66f4\u597d\u7684\u5b9e\u73b0\u65b9\u5f0f\u5462\uff1f\n\u7b54\u6848\u662f\u5f53\u7136\u6709\u4e86\u3002\n\n\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u7ee7\u627f\u5185\u7f6e\u7684 AbstractUser \u7c7b\uff0c\u6765\u5b9a\u4e49\u4e00\u4e2a\u81ea\u5df1\u7684Model\u7c7b\u3002\n\u6837\u65e2\u80fd\u6839\u636e\u9879\u76ee\u9700\u6c42\u7075\u6d3b\u7684\u8bbe\u8ba1\u7528\u6237\u8868\uff0c\u53c8\u80fd\u4f7f\u7528Django\u5f3a\u5927\u7684\u8ba4\u8bc1\u7cfb\u7edf\u4e86\u3002<\/code><\/pre>\n
from django.contrib.auth.models import AbstractUser\nclass UserInfo(AbstractUser):\n    """\n    \u7528\u6237\u4fe1\u606f\u8868\n    """\n    nid = models.AutoField(primary_key=True)\n    phone = models.CharField(max_length=11, null=True, unique=True)\n\n    def __str__(self):\n        return self.username<\/code><\/pre>\n
\u6ce8\u610f\uff1a<\/p>\n
\u6309\u4e0a\u9762\u7684\u65b9\u5f0f\u6269\u5c55\u4e86\u5185\u7f6e\u7684auth_user\u8868\u4e4b\u540e\uff0c\u4e00\u5b9a\u8981\u5728settings.py\u4e2d\u544a\u8bc9Django\uff0c\u6211\u73b0\u5728\u4f7f\u7528\u6211\u65b0\u5b9a\u4e49\u7684UserInfo\u8868\u6765\u505a\u7528\u6237\u8ba4\u8bc1\u3002\u5199\u6cd5\u5982\u4e0b\uff1a<\/p>\n
# \u5f15\u7528Django\u81ea\u5e26\u7684User\u8868\uff0c\u7ee7\u627f\u4f7f\u7528\u65f6\u9700\u8981\u8bbe\u7f6e\nAUTH_USER_MODEL = "app\u540d.UserInfo"<\/code><\/pre>\n
\u518d\u6b21\u6ce8\u610f\uff1a<\/p>\n
\u4e00\u65e6\u6211\u4eec\u6307\u5b9a\u4e86\u65b0\u7684\u8ba4\u8bc1\u7cfb\u7edf\u6240\u4f7f\u7528\u7684\u8868\uff0c\u6211\u4eec\u5c31\u9700\u8981\u91cd\u65b0\u5728\u6570\u636e\u5e93\u4e2d\u521b\u5efa\u8be5\u8868\uff0c\u800c\u4e0d\u80fd\u7ee7\u7eed\u4f7f\u7528\u539f\u6765\u9ed8\u8ba4\u7684auth_user\u8868\u4e86\u3002<\/p>\n
\u56db\u3001 ContentType\u7ec4\u4ef6<\/h2>\n
1\u3001\u9879\u76ee\u80cc\u666f<\/h3>\n
\u8def\u98de\u5b66\u6210\u9879\u76ee\uff0c\u6709\u8bfe\u7a0b\uff0c\u5b66\u4f4d\u8bfe\uff08\u4e0d\u540c\u7684\u8bfe\u7a0b\u5b57\u6bb5\u4e0d\u4e00\u6837\uff09\uff0c\u4ef7\u683c\u7b56\u7565<\/p>\n
\u95ee\u9898\uff0c1 \u5982\u4f55\u8bbe\u8ba1\u8868\u7ed3\u6784\uff0c\u6765\u8868\u793a\u8fd9\u79cd\u89c4\u5219
\n\u3000 2 \u4e3a\u4e13\u9898\u8bfe\uff0c\u6dfb\u52a0\u4e09\u4e2a\u4ef7\u683c\u7b56\u7565
\n3 \u67e5\u8be2\u6240\u6709\u4ef7\u683c\u7b56\u7565\uff0c\u5e76\u4e14\u663e\u793a\u5bf9\u5e94\u7684\u8bfe\u7a0b\u540d\u79f0
\n4 \u901a\u8fc7\u8bfe\u7a0bid\uff0c\u83b7\u53d6\u8bfe\u7a0b\u4fe1\u606f\u548c\u4ef7\u683c\u7b56\u7565<\/p>\n
2\u3001\u7248\u672c\u4e00<\/h3>\n
\u4e00\u4e2a\u8bfe\u7a0b\u8868\uff0c\u5305\u542b\u5b66\u4f4d\u8bfe\u548c\u4e13\u9898\u8bfe\uff0c\u4e00\u4e2a\u4ef7\u683c\u7b56\u7565\u8868\uff0c\u4e00\u5bf9\u591a\u5173\u8054<\/p>\n
\"\"<\/div><\/p>\n
3\u3001\u7248\u672c\u4e8c<\/h3>\n
\u5b66\u4f4d\u8bfe\u8868\uff0c\u4e13\u9898\u8bfe\u8868\uff0c\u88c5\u903c\u8bfe\u8868\uff0c\u4ef7\u683c\u7b56\u7565\u8868\uff08\u5728\u4ef7\u683c\u7b56\u7565\u8bfe\u8868\u4e2d\u52a0\u5165\u591a\u4e2aFK\u8ddf\u8bfe\u7a0b\u8868\u505a\u5173\u8054\uff09\uff1a\u540e\u671f\u518d\u52a0\u5176\u5b83\u8bfe\u7a0b\uff0c\u53ef\u7ef4\u62a4\u6027\u5dee<\/p>\n
\"\"<\/div><\/p>\n
4\u3001\uff08\u4f7f\u7528ContentType\uff09<\/h3>\n
\u901a\u8fc7Django\u63d0\u4f9b\u7684ContentType\u8868\uff0c\u6765\u6784\u5efa<\/p>\n
\"\"<\/div><\/p>\n
models\u5c42\u521b\u5efa\uff1a<\/p>\n
from django.db import models\n\nfrom django.contrib.contenttypes.models import ContentType\nfrom django.contrib.contenttypes.fields import GenericForeignKey, GenericRelation\n\nclass Course(models.Model):\n    title = models.CharField(max_length=32)\n    # \u4e0d\u4f1a\u5728\u6570\u636e\u5e93\u4e2d\u751f\u6210\u5b57\u6bb5\uff0c\u53ea\u7528\u4e8e\u6570\u636e\u5e93\u64cd\u4f5c\n    # policy = GenericRelation('PricePolicy',object_id_field='object_id',content_type_field='contentType')\n\nclass DegreeCourse(models.Model):\n    title = models.CharField(max_length=32)\n\nclass PricePolicy(models.Model):\n    # \u8ddfContentType\u8868\u505a\u5916\u952e\u5173\u8054\n    contentType = models.ForeignKey(to=ContentType)\n    # \u6b63\u6570\n    object_id = models.PositiveIntegerField()\n\n    # \u5f15\u5165\u4e00\u4e2a\u5b57\u6bb5\uff0c\u4e0d\u4f1a\u5728\u6570\u636e\u5e93\u4e2d\u521b\u5efa\uff0c\u53ea\u7528\u6765\u505a\u6570\u636e\u5e93\u64cd\u4f5c\n    # content_obj = GenericForeignKey('contentType', 'object_id')\n\n    period = models.CharField(max_length=32)\n    price = models.FloatField()<\/code><\/pre>\n
views\u5c42\uff1a<\/p>\n
from app01 import models\ndef test(request):\n    import json\n    # \u65b9\u5f0f\u4e00\u63d2\u5165\u4ef7\u683c\u89c4\u5219\n    # ret=models.ContentType.objects.filter(model='course').first()\n    # course=models.Course.objects.filter(pk=1).first()\n    # print(ret.id)\n    # models.PricePolicy.objects.create(period='30',price=100,object_id=course.id,contentType_id=ret.id)\n\n    # \u65b9\u5f0f\u4e8c\u63d2\u5165\u4ef7\u683c\u89c4\u5219\n    # course=models.Course.objects.filter(pk=1).first()\n    # # content_obj=course  \u4f1a\u81ea\u52a8\u7684\u628a\u8bfe\u7a0bid\u653e\u5230object_id\u4e0a\uff0c\u5e76\u4e14\u53bbContentType\u8868\u4e2d\u67e5\u8be2\u8bfe\u7a0b\u8868\u7684id\uff0c\u653e\u5230contentType\u4e0a\n    # models.PricePolicy.objects.create(period='60',price=800,content_obj=course)\n    # \u589e\u52a0\u5b66\u4f4d\u8bfe\uff0c\u4ef7\u683c\u89c4\u5219\n    # degreecourse = models.DegreeCourse.objects.filter(pk=1).first()\n    # models.PricePolicy.objects.create(period='60', price=800, content_obj=degreecourse)\n\n    # \u67e5\u8be2\u6240\u6709\u4ef7\u683c\u7b56\u7565\uff0c\u5e76\u4e14\u663e\u793a\u5bf9\u5e94\u7684\u8bfe\u7a0b\u540d\u79f0\n    # ret=models.PricePolicy.objects.all()\n    # for i in ret:\n    #     print(i.price)\n    #     print(i.period)\n    #     # content_obj \u5c31\u662f\u4ee3\u6307\u5173\u8054\u7684\u8bfe\u7a0b\uff0c\u6216\u8005\u5b66\u4f4d\u8bfe\u7a0b\u7684\u90a3\u4e2a\u5bf9\u8c61\n    #     print(type(i.content_obj))\n    #     print(i.content_obj.title)\n\n    # \u901a\u8fc7\u8bfe\u7a0bid\uff0c\u83b7\u53d6\u8bfe\u7a0b\u4fe1\u606f\u548c\u4ef7\u683c\u7b56\u7565\n    course=models.Course.objects.filter(pk=1).first()\n    print(course.policy.all())\nreturn render(request,'test.html')<\/code><\/pre>\n
\u4e94\u3001Cookie\u548cSession\u7ec4\u4ef6<\/h2>\n
1\u3001cookie<\/h3>\n
1.Cookie\u7684\u7531\u6765<\/h4>\n
\u5927\u5bb6\u90fd\u77e5\u9053HTTP\u534f\u8bae\u662f\u65e0\u72b6\u6001\u7684\u3002<\/p>\n
\u65e0\u72b6\u6001\u7684\u610f\u601d\u662f\u6bcf\u6b21\u8bf7\u6c42\u90fd\u662f\u72ec\u7acb\u7684\uff0c\u5b83\u7684\u6267\u884c\u60c5\u51b5\u548c\u7ed3\u679c\u4e0e\u524d\u9762\u7684\u8bf7\u6c42\u548c\u4e4b\u540e\u7684\u8bf7\u6c42\u90fd\u65e0\u76f4\u63a5\u5173\u7cfb\uff0c\u5b83\u4e0d\u4f1a\u53d7\u524d\u9762\u7684\u8bf7\u6c42\u54cd\u5e94\u60c5\u51b5\u76f4\u63a5\u5f71\u54cd\uff0c\u4e5f\u4e0d\u4f1a\u76f4\u63a5\u5f71\u54cd\u540e\u9762\u7684\u8bf7\u6c42\u54cd\u5e94\u60c5\u51b5\u3002<\/p>\n
\u4e00\u53e5\u6709\u610f\u601d\u7684\u8bdd\u6765\u63cf\u8ff0\u5c31\u662f\u4eba\u751f\u53ea\u5982\u521d\u89c1\uff0c\u5bf9\u670d\u52a1\u5668\u6765\u8bf4\uff0c\u6bcf\u6b21\u7684\u8bf7\u6c42\u90fd\u662f\u5168\u65b0\u7684\u3002<\/p>\n
\u72b6\u6001\u53ef\u4ee5\u7406\u89e3\u4e3a\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u5728\u67d0\u6b21\u4f1a\u8bdd\u4e2d\u4ea7\u751f\u7684\u6570\u636e\uff0c\u90a3\u65e0\u72b6\u6001\u7684\u5c31\u4ee5\u4e3a\u8fd9\u4e9b\u6570\u636e\u4e0d\u4f1a\u88ab\u4fdd\u7559\u3002\u4f1a\u8bdd\u4e2d\u4ea7\u751f\u7684\u6570\u636e\u53c8\u662f\u6211\u4eec\u9700\u8981\u4fdd\u5b58\u7684\uff0c\u4e5f\u5c31\u662f\u8bf4\u8981\u201c\u4fdd\u6301\u72b6\u6001\u201d\u3002\u56e0\u6b64Cookie\u5c31\u662f\u5728\u8fd9\u6837\u4e00\u4e2a\u573a\u666f\u4e0b\u8bde\u751f\u3002<\/p>\n
2.\u4ec0\u4e48\u662fCookie<\/h4>\n
Cookie\u5177\u4f53\u6307\u7684\u662f\u4e00\u6bb5\u5c0f\u4fe1\u606f\uff0c\u5b83\u662f\u670d\u52a1\u5668\u53d1\u9001\u51fa\u6765\u5b58\u50a8\u5728\u6d4f\u89c8\u5668\u4e0a\u7684\u4e00\u7ec4\u7ec4\u952e\u503c\u5bf9\uff0c\u4e0b\u6b21\u8bbf\u95ee\u670d\u52a1\u5668\u65f6\u6d4f\u89c8\u5668\u4f1a\u81ea\u52a8\u643a\u5e26\u8fd9\u4e9b\u952e\u503c\u5bf9\uff0c\u4ee5\u4fbf\u670d\u52a1\u5668\u63d0\u53d6\u6709\u7528\u4fe1\u606f\u3002<\/p>\n
3.Cookie\u7684\u539f\u7406<\/h4>\n
cookie\u7684\u5de5\u4f5c\u539f\u7406\u662f\uff1a\u7531\u670d\u52a1\u5668\u4ea7\u751f\u5185\u5bb9\uff0c\u6d4f\u89c8\u5668\u6536\u5230\u8bf7\u6c42\u540e\u4fdd\u5b58\u5728\u672c\u5730\uff1b\u5f53\u6d4f\u89c8\u5668\u518d\u6b21\u8bbf\u95ee\u65f6\uff0c\u6d4f\u89c8\u5668\u4f1a\u81ea\u52a8\u5e26\u4e0aCookie\uff0c\u8fd9\u6837\u670d\u52a1\u5668\u5c31\u80fd\u901a\u8fc7Cookie\u7684\u5185\u5bb9\u6765\u5224\u65ad\u8fd9\u4e2a\u662f\u201c\u8c01\u201d\u4e86\u3002<\/p>\n
4.\u67e5\u770bCookie<\/h4>\n
\u6211\u4eec\u4f7f\u7528Chrome\u6d4f\u89c8\u5668\uff0c\u6253\u5f00\u5f00\u53d1\u8005\u5de5\u5177\u3002<\/p>\n
5.Django\u4e2d\u64cd\u4f5cCookie<\/h4>\n
\u83b7\u53d6Cookie<\/p>\n
request.COOKIES[‘key’]<\/p>\n
request.get_signed_cookie(key, default=RAISE_ERROR, salt=”, max_age=None)<\/p>\n
\u53c2\u6570\uff1a<\/p>\n
default: \u9ed8\u8ba4\u503c\nsalt: \u52a0\u5bc6\u76d0\nmax_age: \u540e\u53f0\u63a7\u5236\u8fc7\u671f\u65f6\u95f4<\/code><\/pre>\n
\u8bbe\u7f6eCookie<\/p>\n
rep = HttpResponse(...)\nrep \uff1d render(request, ...)\n\nrep.set_cookie(key,value,...)\nrep.set_signed_cookie(key,value,salt='\u52a0\u5bc6\u76d0', max_age=None, ...)<\/code><\/pre>\n
\u53c2\u6570\uff1a<\/p>\n
key, \u952e\nvalue='', \u503c\nmax_age=None, \u8d85\u65f6\u65f6\u95f4\nexpires=None, \u8d85\u65f6\u65f6\u95f4(IE requires expires, so set it if hasn't been already.)\npath='\/', Cookie\u751f\u6548\u7684\u8def\u5f84\uff0c\/ \u8868\u793a\u6839\u8def\u5f84\uff0c\u7279\u6b8a\u7684\uff1a\u6839\u8def\u5f84\u7684cookie\u53ef\u4ee5\u88ab\u4efb\u4f55url\u7684\u9875\u9762\u8bbf\u95ee\ndomain=None, Cookie\u751f\u6548\u7684\u57df\u540d\nsecure=False, https\u4f20\u8f93\nhttponly=False \u53ea\u80fdhttp\u534f\u8bae\u4f20\u8f93\uff0c\u65e0\u6cd5\u88abJavaScript\u83b7\u53d6\uff08\u4e0d\u662f\u7edd\u5bf9\uff0c\u5e95\u5c42\u6293\u5305\u53ef\u4ee5\u83b7\u53d6\u5230\u4e5f\u53ef\u4ee5\u88ab\u8986\u76d6\uff09<\/code><\/pre>\n
\u5220\u9664Cookie<\/p>\n
def logout(request):\n    rep = redirect("\/login\/")\n    rep.delete_cookie("user")  # \u5220\u9664\u7528\u6237\u6d4f\u89c8\u5668\u4e0a\u4e4b\u524d\u8bbe\u7f6e\u7684usercookie\u503c\n    return rep<\/code><\/pre>\n
6.Cookie\u7248\u767b\u9646\u6821\u9a8c<\/h4>\n
cookie\u7248\u767b\u5f55<\/p>\n
def check_login(func):\n    @wraps(func)\n    def inner(request, *args, **kwargs):\n        next_url = request.get_full_path()\n        if request.get_signed_cookie("login", salt="SSS", default=None) == "yes":\n            # \u5df2\u7ecf\u767b\u5f55\u7684\u7528\u6237...\n            return func(request, *args, **kwargs)\n        else:\n            # \u6ca1\u6709\u767b\u5f55\u7684\u7528\u6237\uff0c\u8df3\u8f6c\u521a\u5230\u767b\u5f55\u9875\u9762\n            return redirect("\/login\/?next={}".format(next_url))\n    return inner\n\ndef login(request):\n    if request.method == "POST":\n        username = request.POST.get("username")\n        passwd = request.POST.get("password")\n        if username == "xxx" and passwd == "dashabi":\n            next_url = request.GET.get("next")\n            if next_url and next_url != "\/logout\/":\n                response = redirect(next_url)\n            else:\n                response = redirect("\/class_list\/")\n            response.set_signed_cookie("login", "yes", salt="SSS")\n            return response\n    return render(request, "login.html")<\/code><\/pre>\n
2\u3001 Session<\/h3>\n
1.Session\u7684\u7531\u6765<\/h4>\n
Cookie\u867d\u7136\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u89e3\u51b3\u4e86\u201c\u4fdd\u6301\u72b6\u6001\u201d\u7684\u9700\u6c42\uff0c\u4f46\u662f\u7531\u4e8eCookie\u672c\u8eab\u6700\u5927\u652f\u63014096\u5b57\u8282\uff0c\u4ee5\u53caCookie\u672c\u8eab\u4fdd\u5b58\u5728\u5ba2\u6237\u7aef\uff0c\u53ef\u80fd\u88ab\u62e6\u622a\u6216\u7a83\u53d6\uff0c\u56e0\u6b64\u5c31\u9700\u8981\u6709\u4e00\u79cd\u65b0\u7684\u4e1c\u897f\uff0c\u5b83\u80fd\u652f\u6301\u66f4\u591a\u7684\u5b57\u8282\uff0c\u5e76\u4e14\u4ed6\u4fdd\u5b58\u5728\u670d\u52a1\u5668\uff0c\u6709\u8f83\u9ad8\u7684\u5b89\u5168\u6027\u3002\u8fd9\u5c31\u662fSession\u3002<\/p>\n
\u95ee\u9898\u6765\u4e86\uff0c\u57fa\u4e8eHTTP\u534f\u8bae\u7684\u65e0\u72b6\u6001\u7279\u5f81\uff0c\u670d\u52a1\u5668\u6839\u672c\u5c31\u4e0d\u77e5\u9053\u8bbf\u95ee\u8005\u662f\u201c\u8c01\u201d\u3002\u90a3\u4e48\u4e0a\u8ff0\u7684Cookie\u5c31\u8d77\u5230\u6865\u63a5\u7684\u4f5c\u7528\u3002<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u7ed9\u6bcf\u4e2a\u5ba2\u6237\u7aef\u7684Cookie\u5206\u914d\u4e00\u4e2a\u552f\u4e00\u7684id\uff0c\u8fd9\u6837\u7528\u6237\u5728\u8bbf\u95ee\u65f6\uff0c\u901a\u8fc7Cookie\uff0c\u670d\u52a1\u5668\u5c31\u77e5\u9053\u6765\u7684\u4eba\u662f\u201c\u8c01\u201d\u3002\u7136\u540e\u6211\u4eec\u518d\u6839\u636e\u4e0d\u540c\u7684Cookie\u7684id\uff0c\u5728\u670d\u52a1\u5668\u4e0a\u4fdd\u5b58\u4e00\u6bb5\u65f6\u95f4\u7684\u79c1\u5bc6\u8d44\u6599\uff0c\u5982\u201c\u8d26\u53f7\u5bc6\u7801\u201d\u7b49\u7b49\u3002<\/p>\n
\u603b\u7ed3\u800c\u8a00\uff1aCookie\u5f25\u8865\u4e86HTTP\u65e0\u72b6\u6001\u7684\u4e0d\u8db3\uff0c\u8ba9\u670d\u52a1\u5668\u77e5\u9053\u6765\u7684\u4eba\u662f\u201c\u8c01\u201d\uff1b\u4f46\u662fCookie\u4ee5\u6587\u672c\u7684\u5f62\u5f0f\u4fdd\u5b58\u5728\u672c\u5730\uff0c\u81ea\u8eab\u5b89\u5168\u6027\u8f83\u5dee\uff1b\u6240\u4ee5\u6211\u4eec\u5c31\u901a\u8fc7Cookie\u8bc6\u522b\u4e0d\u540c\u7684\u7528\u6237\uff0c\u5bf9\u5e94\u7684\u5728Session\u91cc\u4fdd\u5b58\u79c1\u5bc6\u7684\u4fe1\u606f\u4ee5\u53ca\u8d85\u8fc74096\u5b57\u8282\u7684\u6587\u672c\u3002<\/p>\n
\u53e6\u5916\uff0c\u4e0a\u8ff0\u6240\u8bf4\u7684Cookie\u548cSession\u5176\u5b9e\u662f\u5171\u901a\u6027\u7684\u4e1c\u897f\uff0c\u4e0d\u9650\u4e8e\u8bed\u8a00\u548c\u6846\u67b6\u3002<\/p>\n
2.Django\u4e2dSession\u76f8\u5173\u65b9\u6cd5<\/h4>\n
# \u83b7\u53d6\u3001\u8bbe\u7f6e\u3001\u5220\u9664Session\u4e2d\u6570\u636e\nrequest.session['k1']\nrequest.session.get('k1',None)\nrequest.session['k1'] = 123\nrequest.session.setdefault('k1',123) # \u5b58\u5728\u5219\u4e0d\u8bbe\u7f6e\ndel request.session['k1']\n\n# \u6240\u6709 \u952e\u3001\u503c\u3001\u952e\u503c\u5bf9\nrequest.session.keys()\nrequest.session.values()\nrequest.session.items()\nrequest.session.iterkeys()\nrequest.session.itervalues()\nrequest.session.iteritems()\n\n# \u4f1a\u8bddsession\u7684key\nrequest.session.session_key\n\n# \u5c06\u6240\u6709Session\u5931\u6548\u65e5\u671f\u5c0f\u4e8e\u5f53\u524d\u65e5\u671f\u7684\u6570\u636e\u5220\u9664\nrequest.session.clear_expired()\n\n# \u68c0\u67e5\u4f1a\u8bddsession\u7684key\u5728\u6570\u636e\u5e93\u4e2d\u662f\u5426\u5b58\u5728\nrequest.session.exists("session_key")\n\n# \u5220\u9664\u5f53\u524d\u4f1a\u8bdd\u7684\u6240\u6709Session\u6570\u636e\nrequest.session.delete()\n\u3000\u3000\n# \u5220\u9664\u5f53\u524d\u7684\u4f1a\u8bdd\u6570\u636e\u5e76\u5220\u9664\u4f1a\u8bdd\u7684Cookie\u3002\nrequest.session.flush() \n    \u8fd9\u7528\u4e8e\u786e\u4fdd\u524d\u9762\u7684\u4f1a\u8bdd\u6570\u636e\u4e0d\u53ef\u4ee5\u518d\u6b21\u88ab\u7528\u6237\u7684\u6d4f\u89c8\u5668\u8bbf\u95ee\n    \u4f8b\u5982\uff0cdjango.contrib.auth.logout() \u51fd\u6570\u4e2d\u5c31\u4f1a\u8c03\u7528\u5b83\u3002\n\n# \u8bbe\u7f6e\u4f1a\u8bddSession\u548cCookie\u7684\u8d85\u65f6\u65f6\u95f4\nrequest.session.set_expiry(value)\n    * \u5982\u679cvalue\u662f\u4e2a\u6574\u6570\uff0csession\u4f1a\u5728\u4e9b\u79d2\u6570\u540e\u5931\u6548\u3002\n    * \u5982\u679cvalue\u662f\u4e2adatatime\u6216timedelta\uff0csession\u5c31\u4f1a\u5728\u8fd9\u4e2a\u65f6\u95f4\u540e\u5931\u6548\u3002\n    * \u5982\u679cvalue\u662f0,\u7528\u6237\u5173\u95ed\u6d4f\u89c8\u5668session\u5c31\u4f1a\u5931\u6548\u3002\n    * \u5982\u679cvalue\u662fNone,session\u4f1a\u4f9d\u8d56\u5168\u5c40session\u5931\u6548\u7b56\u7565\u3002<\/code><\/pre>\n
Session\u6d41\u7a0b\u89e3\u6790<\/p>\n
\"\"<\/div><\/p>\n
Session\u7248\u767b\u9646\u9a8c\u8bc1<\/p>\n
from functools import wraps\n\ndef check_login(func):\n    @wraps(func)\n    def inner(request, *args, **kwargs):\n        next_url = request.get_full_path()\n        if request.session.get("user"):\n            return func(request, *args, **kwargs)\n        else:\n            return redirect("\/login\/?next={}".format(next_url))\n    return inner\n\ndef login(request):\n    if request.method == "POST":\n        user = request.POST.get("user")\n        pwd = request.POST.get("pwd")\n\n        if user == "alex" and pwd == "alex1234":\n            # \u8bbe\u7f6esession\n            request.session["user"] = user\n            # \u83b7\u53d6\u8df3\u5230\u767b\u9646\u9875\u9762\u4e4b\u524d\u7684URL\n            next_url = request.GET.get("next")\n            # \u5982\u679c\u6709\uff0c\u5c31\u8df3\u8f6c\u56de\u767b\u9646\u4e4b\u524d\u7684URL\n            if next_url:\n                return redirect(next_url)\n            # \u5426\u5219\u9ed8\u8ba4\u8df3\u8f6c\u5230index\u9875\u9762\n            else:\n                return redirect("\/index\/")\n    return render(request, "login.html")\n\n@check_login\ndef logout(request):\n    # \u5220\u9664\u6240\u6709\u5f53\u524d\u8bf7\u6c42\u76f8\u5173\u7684session\n    request.session.delete()\n    return redirect("\/login\/")\n\n@check_login\ndef index(request):\n    current_user = request.session.get("user", None)\n    return render(request, "index.html", {"user": current_user})<\/code><\/pre>\n
Django\u4e2d\u7684Session\u914d\u7f6e<\/p>\n
Django\u4e2d\u9ed8\u8ba4\u652f\u6301Session\uff0c\u5176\u5185\u90e8\u63d0\u4f9b\u4e865\u79cd\u7c7b\u578b\u7684Session\u4f9b\u5f00\u53d1\u8005\u4f7f\u7528\u3002<\/p>\n
Django\u4e2dSession\u76f8\u5173\u8bbe\u7f6e<\/p>\n
1. \u6570\u636e\u5e93Session\nSESSION_ENGINE = 'django.contrib.sessions.backends.db'   # \u5f15\u64ce\uff08\u9ed8\u8ba4\uff09\n\n2. \u7f13\u5b58Session\nSESSION_ENGINE = 'django.contrib.sessions.backends.cache'  # \u5f15\u64ce\nSESSION_CACHE_ALIAS = 'default'                            # \u4f7f\u7528\u7684\u7f13\u5b58\u522b\u540d\uff08\u9ed8\u8ba4\u5185\u5b58\u7f13\u5b58\uff0c\u4e5f\u53ef\u4ee5\u662fmemcache\uff09\uff0c\u6b64\u5904\u522b\u540d\u4f9d\u8d56\u7f13\u5b58\u7684\u8bbe\u7f6e\n\n3. \u6587\u4ef6Session\nSESSION_ENGINE = 'django.contrib.sessions.backends.file'    # \u5f15\u64ce\nSESSION_FILE_PATH = None                                    # \u7f13\u5b58\u6587\u4ef6\u8def\u5f84\uff0c\u5982\u679c\u4e3aNone\uff0c\u5219\u4f7f\u7528tempfile\u6a21\u5757\u83b7\u53d6\u4e00\u4e2a\u4e34\u65f6\u5730\u5740tempfile.gettempdir() \n\n4. \u7f13\u5b58+\u6570\u636e\u5e93\nSESSION_ENGINE = 'django.contrib.sessions.backends.cached_db'        # \u5f15\u64ce\n\n5. \u52a0\u5bc6Cookie Session\nSESSION_ENGINE = 'django.contrib.sessions.backends.signed_cookies'   # \u5f15\u64ce\n\n\u5176\u4ed6\u516c\u7528\u8bbe\u7f6e\u9879\uff1a\nSESSION_COOKIE_NAME \uff1d "sessionid"                       # Session\u7684cookie\u4fdd\u5b58\u5728\u6d4f\u89c8\u5668\u4e0a\u65f6\u7684key\uff0c\u5373\uff1asessionid\uff1d\u968f\u673a\u5b57\u7b26\u4e32\uff08\u9ed8\u8ba4\uff09\nSESSION_COOKIE_PATH \uff1d "\/"                               # Session\u7684cookie\u4fdd\u5b58\u7684\u8def\u5f84\uff08\u9ed8\u8ba4\uff09\nSESSION_COOKIE_DOMAIN = None                             # Session\u7684cookie\u4fdd\u5b58\u7684\u57df\u540d\uff08\u9ed8\u8ba4\uff09\nSESSION_COOKIE_SECURE = False                            # \u662f\u5426Https\u4f20\u8f93cookie\uff08\u9ed8\u8ba4\uff09\nSESSION_COOKIE_HTTPONLY = True                           # \u662f\u5426Session\u7684cookie\u53ea\u652f\u6301http\u4f20\u8f93\uff08\u9ed8\u8ba4\uff09\nSESSION_COOKIE_AGE = 1209600                             # Session\u7684cookie\u5931\u6548\u65e5\u671f\uff082\u5468\uff09\uff08\u9ed8\u8ba4\uff09\nSESSION_EXPIRE_AT_BROWSER_CLOSE = False                  # \u662f\u5426\u5173\u95ed\u6d4f\u89c8\u5668\u4f7f\u5f97Session\u8fc7\u671f\uff08\u9ed8\u8ba4\uff09\nSESSION_SAVE_EVERY_REQUEST = False                       # \u662f\u5426\u6bcf\u6b21\u8bf7\u6c42\u90fd\u4fdd\u5b58Session\uff0c\u9ed8\u8ba4\u4fee\u6539\u4e4b\u540e\u624d\u4fdd\u5b58\uff08\u9ed8\u8ba4\uff09<\/code><\/pre>\n
CBV\u4e2d\u52a0\u88c5\u9970\u5668\u76f8\u5173<\/p>\n
CBV\u5b9e\u73b0\u7684\u767b\u5f55\u89c6\u56fe<\/p>\n
class LoginView(View):\n\n    def get(self, request):\n        """\n        \u5904\u7406GET\u8bf7\u6c42\n        """\n        return render(request, 'login.html')\n\n    def post(self, request):\n        """\n        \u5904\u7406POST\u8bf7\u6c42 \n        """\n        user = request.POST.get('user')\n        pwd = request.POST.get('pwd')\n        if user == 'alex' and pwd == "alex1234":\n            next_url = request.GET.get("next")\n            # \u751f\u6210\u968f\u673a\u5b57\u7b26\u4e32\n            # \u5199\u6d4f\u89c8\u5668cookie -> session_id: \u968f\u673a\u5b57\u7b26\u4e32\n            # \u5199\u5230\u670d\u52a1\u7aefsession\uff1a\n            # {\n            #     "\u968f\u673a\u5b57\u7b26\u4e32": {'user':'alex'}\n            # }\n            request.session['user'] = user\n            if next_url:\n                return redirect(next_url)\n            else:\n                return redirect('\/index\/')\n        return render(request, 'login.html')<\/code><\/pre>\n
\u8981\u5728CBV\u89c6\u56fe\u4e2d\u4f7f\u7528\u6211\u4eec\u4e0a\u9762\u7684check_login\u88c5\u9970\u5668\uff0c\u6709\u4ee5\u4e0b\u4e09\u79cd\u65b9\u5f0f\uff1a<\/p>\n
from django.utils.decorators import method_decorator<\/p>\n
\\1. \u52a0\u5728CBV\u89c6\u56fe\u7684get\u6216post\u65b9\u6cd5\u4e0a<\/p>\n
from django.utils.decorators import method_decorator\n\nclass HomeView(View):\n\n    def dispatch(self, request, *args, **kwargs):\n        return super(HomeView, self).dispatch(request, *args, **kwargs)\n\n    def get(self, request):\n        return render(request, "home.html")\n\n    @method_decorator(check_login)\n    def post(self, request):\n        print("Home View POST method...")\n        return redirect("\/index\/")<\/code><\/pre>\n
\\2. \u52a0\u5728dispatch\u65b9\u6cd5\u4e0a<\/p>\n
from django.utils.decorators import method_decorator\n\nclass HomeView(View):\n\n    @method_decorator(check_login)\n    def dispatch(self, request, *args, **kwargs):\n        return super(HomeView, self).dispatch(request, *args, **kwargs)\n\n    def get(self, request):\n        return render(request, "home.html")\n\n    def post(self, request):\n        print("Home View POST method...")\n        return redirect("\/index\/")<\/code><\/pre>\n
\u56e0\u4e3aCBV\u4e2d\u9996\u5148\u6267\u884c\u7684\u5c31\u662fdispatch\u65b9\u6cd5\uff0c\u6240\u4ee5\u8fd9\u4e48\u5199\u76f8\u5f53\u4e8e\u7ed9get\u548cpost\u65b9\u6cd5\u90fd\u52a0\u4e0a\u4e86\u767b\u5f55\u6821\u9a8c\u3002<\/p>\n
\\3. \u76f4\u63a5\u52a0\u5728\u89c6\u56fe\u7c7b\u4e0a\uff0c\u4f46method_decorator\u5fc5\u987b\u4f20 name \u5173\u952e\u5b57\u53c2\u6570<\/p>\n
\u5982\u679cget\u65b9\u6cd5\u548cpost\u65b9\u6cd5\u90fd\u9700\u8981\u767b\u5f55\u6821\u9a8c\u7684\u8bdd\u5c31\u5199\u4e24\u4e2a\u88c5\u9970\u5668\u3002<\/p>\n
from django.utils.decorators import method_decorator\n\n@method_decorator(check_login, name="get")\n@method_decorator(check_login, name="post")\nclass HomeView(View):\n\n    def dispatch(self, request, *args, **kwargs):\n        return super(HomeView, self).dispatch(request, *args, **kwargs)\n\n    def get(self, request):\n        return render(request, "home.html")\n\n    def post(self, request):\n        print("Home View POST method...")\n        return redirect("\/index\/")<\/code><\/pre>\n
\u8865\u5145<\/p>\n
CSRF Token\u76f8\u5173\u88c5\u9970\u5668\u5728CBV\u53ea\u80fd\u52a0\u5230dispatch\u65b9\u6cd5\u4e0a\uff0c\u6216\u8005\u52a0\u5728\u89c6\u56fe\u7c7b\u4e0a\u7136\u540ename\u53c2\u6570\u6307\u5b9a\u4e3adispatch\u65b9\u6cd5\u3002<\/p>\n
\u5907\u6ce8\uff1a<\/p>\n
csrf_protect\uff0c\u4e3a\u5f53\u524d\u51fd\u6570\u5f3a\u5236\u8bbe\u7f6e\u9632\u8de8\u7ad9\u8bf7\u6c42\u4f2a\u9020\u529f\u80fd\uff0c\u5373\u4fbfsettings\u4e2d\u6ca1\u6709\u8bbe\u7f6e\u5168\u5c40\u4e2d\u95f4\u4ef6\u3002\ncsrf_exempt\uff0c\u53d6\u6d88\u5f53\u524d\u51fd\u6570\u9632\u8de8\u7ad9\u8bf7\u6c42\u4f2a\u9020\u529f\u80fd\uff0c\u5373\u4fbfsettings\u4e2d\u8bbe\u7f6e\u4e86\u5168\u5c40\u4e2d\u95f4\u4ef6\u3002\nfrom django.views.decorators.csrf import csrf_exempt, csrf_protect\nfrom django.utils.decorators import method_decorator\n\nclass HomeView(View):\n\n    @method_decorator(csrf_exempt)\n    def dispatch(self, request, *args, **kwargs):\n        return super(HomeView, self).dispatch(request, *args, **kwargs)\n\n    def get(self, request):\n        return render(request, "home.html")\n\n    def post(self, request):\n        print("Home View POST method...")\n        return redirect("\/index\/")<\/code><\/pre>\n
\u6216\u8005<\/p>\n
from django.views.decorators.csrf import csrf_exempt, csrf_protect\nfrom django.utils.decorators import method_decorator\n\n@method_decorator(csrf_exempt, name='dispatch')\nclass HomeView(View):\n\n    def dispatch(self, request, *args, **kwargs):\n        return super(HomeView, self).dispatch(request, *args, **kwargs)\n\n    def get(self, request):\n        return render(request, "home.html")\n\n    def post(self, request):\n        print("Home View POST method...")\n        return redirect("\/index\/")<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
\u5e38\u7528\u7ec4\u4ef6 \u4e00\u3001\u5206\u9875\u5668\u7ec4\u4ef6 class Pagination(object): def __init__(sel […]<\/p>\n","protected":false},"author":3,"featured_media":6802,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[3,405],"tags":[],"_links":{"self":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/6148"}],"collection":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6148"}],"version-history":[{"count":0,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/6148\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/media\/6802"}],"wp:attachment":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6148"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6148"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6148"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}