{"id":5768,"date":"2022-04-03T09:48:13","date_gmt":"2022-04-03T01:48:13","guid":{"rendered":"https:\/\/egonlin.com\/?p=5768"},"modified":"2022-04-03T13:47:19","modified_gmt":"2022-04-03T05:47:19","slug":"06-01-django%e4%b8%8eajax","status":"publish","type":"post","link":"https:\/\/egonlin.com\/?p=5768","title":{"rendered":"06-01 Django\u4e0eAjax"},"content":{"rendered":"

AJAX\u51c6\u5907\u77e5\u8bc6\uff1aJSON<\/h1>\n

\u4ec0\u4e48\u662f JSON \uff1f<\/h2>\n
JSON \u6307\u7684\u662f JavaScript \u5bf9\u8c61\u8868\u793a\u6cd5\uff08JavaScript Object Notation\uff09\nJSON \u662f\u8f7b\u91cf\u7ea7\u7684\u6587\u672c\u6570\u636e\u4ea4\u6362\u683c\u5f0f\nJSON \u72ec\u7acb\u4e8e\u8bed\u8a00 *\nJSON \u5177\u6709\u81ea\u6211\u63cf\u8ff0\u6027\uff0c\u66f4\u6613\u7406\u89e3<\/code><\/pre>\n
    \n
  • \n
    JSON \u4f7f\u7528 JavaScript \u8bed\u6cd5\u6765\u63cf\u8ff0\u6570\u636e\u5bf9\u8c61\uff0c\u4f46\u662f JSON \u4ecd\u7136\u72ec\u7acb\u4e8e\u8bed\u8a00\u548c\u5e73\u53f0\u3002JSON \u89e3\u6790\u5668\u548c JSON \u5e93\u652f\u6301\u8bb8\u591a\u4e0d\u540c\u7684\u7f16\u7a0b\u8bed\u8a00\u3002<\/p>\n
    \u5565\u90fd\u522b\u591a\u8bf4\u4e86\uff0c\u4e0a\u56fe\u5427\uff01
    \n
    \"\"<\/div><\/p>\n<\/li>\n<\/ul>\n
    \u5408\u683c\u7684json\u5bf9\u8c61(json\u53ea\u8ba4\u53cc\u5f15\u7684\u5b57\u7b26\u4e32\u683c\u5f0f)\uff1a<\/p>\n
    ["one", "two", "three"]\n{ "one": 1, "two": 2, "three": 3 }\n{"names": ["\u5f20\u4e09", "\u674e\u56db"] }\n[ { "name": "\u5f20\u4e09"}, {"name": "\u674e\u56db"} ]\u3000<\/code><\/pre>\n
    \u4e0d\u5408\u683c\u7684json\u5bf9\u8c61\uff1a<\/p>\n
    { name: "\u5f20\u4e09", 'age': 32 }  \/\/ \u5c5e\u6027\u540d\u5fc5\u987b\u4f7f\u7528\u53cc\u5f15\u53f7\n[32, 64, 128, 0xFFF] \/\/ \u4e0d\u80fd\u4f7f\u7528\u5341\u516d\u8fdb\u5236\u503c\n{ "name": "\u5f20\u4e09", "age": undefined }  \/\/ \u4e0d\u80fd\u4f7f\u7528undefined\n{ "name": "\u5f20\u4e09",\n  "birthday": new Date('Fri, 26 Aug 2011 07:13:10 GMT'),\n  "getName":  function() {return this.name;}  \/\/ \u4e0d\u80fd\u4f7f\u7528\u51fd\u6570\u548c\u65e5\u671f\u5bf9\u8c61\n}<\/code><\/pre>\n
    stringify\u4e0eparse\u65b9\u6cd5<\/h3>\n
    JavaScript\u4e2d\u5173\u4e8eJSON\u5bf9\u8c61\u548c\u5b57\u7b26\u4e32\u8f6c\u6362\u7684\u4e24\u4e2a\u65b9\u6cd5\uff1a<\/p>\n
    JSON.parse(): \u7528\u4e8e\u5c06\u4e00\u4e2a JSON \u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a JavaScript \u5bf9\u8c61(json\u53ea\u8ba4\u53cc\u5f15\u7684\u5b57\u7b26\u4e32\u683c\u5f0f)<\/p>\n
    JSON.parse('{"name":"Howker"}');\nJSON.parse('{name:"Stack"}') ;   \/\/ \u9519\u8bef\nJSON.parse('[18,undefined]') ;   \/\/ \u9519\u8bef<\/code><\/pre>\n
    JSON.stringify(): \u7528\u4e8e\u5c06 JavaScript \u503c\u8f6c\u6362\u4e3a JSON \u5b57\u7b26\u4e32\u3002<\/p>\n
    JSON.stringify({"name":"Tonny"})<\/code><\/p>\n
    \u548cXML\u7684\u6bd4\u8f83<\/h3>\n
    JSON \u683c\u5f0f\u4e8e2001\u5e74\u7531 Douglas Crockford \u63d0\u51fa\uff0c\u76ee\u7684\u5c31\u662f\u53d6\u4ee3\u7e41\u7410\u7b28\u91cd\u7684 XML \u683c\u5f0f\u3002<\/p>\n
    JSON \u683c\u5f0f\u6709\u4e24\u4e2a\u663e\u8457\u7684\u4f18\u70b9\uff1a\u4e66\u5199\u7b80\u5355\uff0c\u4e00\u76ee\u4e86\u7136\uff1b\u7b26\u5408 JavaScript \u539f\u751f\u8bed\u6cd5\uff0c\u53ef\u4ee5\u7531\u89e3\u91ca\u5f15\u64ce\u76f4\u63a5\u5904\u7406\uff0c\u4e0d\u7528\u53e6\u5916\u6dfb\u52a0\u89e3\u6790\u4ee3\u7801\u3002\u6240\u4ee5\uff0cJSON\u8fc5\u901f\u88ab\u63a5\u53d7\uff0c\u5df2\u7ecf\u6210\u4e3a\u5404\u5927\u7f51\u7ad9\u4ea4\u6362\u6570\u636e\u7684\u6807\u51c6\u683c\u5f0f\uff0c\u5e76\u88ab\u5199\u5165ECMAScript 5\uff0c\u6210\u4e3a\u6807\u51c6\u7684\u4e00\u90e8\u5206\u3002<\/p>\n
    XML\u548cJSON\u90fd\u4f7f\u7528\u7ed3\u6784\u5316\u65b9\u6cd5\u6765\u6807\u8bb0\u6570\u636e\uff0c\u4e0b\u9762\u6765\u505a\u4e00\u4e2a\u7b80\u5355\u7684\u6bd4\u8f83\u3002<\/p>\n
    \u7528XML\u8868\u793a\u4e2d\u56fd\u90e8\u5206\u7701\u5e02\u6570\u636e\u5982\u4e0b\uff1a
    \nXML\u683c\u5f0f\u6570\u636e<\/p>\n
    <?xml version="1.0" encoding="utf-8"?>\n<country>\n    <name>\u4e2d\u56fd<\/name>\n    <province>\n        <name>\u9ed1\u9f99\u6c5f<\/name>\n        <cities>\n            <city>\u54c8\u5c14\u6ee8<\/city>\n            <city>\u5927\u5e86<\/city>\n        <\/cities>\n    <\/province>\n    <province>\n        <name>\u5e7f\u4e1c<\/name>\n        <cities>\n            <city>\u5e7f\u5dde<\/city>\n            <city>\u6df1\u5733<\/city>\n            <city>\u73e0\u6d77<\/city>\n        <\/cities>\n    <\/province>\n    <province>\n        <name>\u53f0\u6e7e<\/name>\n        <cities>\n            <city>\u53f0\u5317<\/city>\n            <city>\u9ad8\u96c4<\/city>\n        <\/cities>\n    <\/province>\n    <province>\n        <name>\u65b0\u7586<\/name>\n        <cities>\n            <city>\u4e4c\u9c81\u6728\u9f50<\/city>\n        <\/cities>\n    <\/province>\n<\/country><\/code><\/pre>\n
    \u7528JSON\u8868\u793a\u5982\u4e0b\uff1a
    \nJSON\u683c\u5f0f\u6570\u636e<\/p>\n
    {\n    "name": "\u4e2d\u56fd",\n    "province": [{\n        "name": "\u9ed1\u9f99\u6c5f",\n        "cities": {\n            "city": ["\u54c8\u5c14\u6ee8", "\u5927\u5e86"]\n        }\n    }, {\n        "name": "\u5e7f\u4e1c",\n        "cities": {\n            "city": ["\u5e7f\u5dde", "\u6df1\u5733", "\u73e0\u6d77"]\n        }\n    }, {\n        "name": "\u53f0\u6e7e",\n        "cities": {\n            "city": ["\u53f0\u5317", "\u9ad8\u96c4"]\n        }\n    }, {\n        "name": "\u65b0\u7586",\n        "cities": {\n            "city": ["\u4e4c\u9c81\u6728\u9f50"]\n        }\n    }]\n}<\/code><\/pre>\n
    \u7531\u4e0a\u9762\u7684\u4e24\u7aef\u4ee3\u7801\u53ef\u4ee5\u770b\u51fa\uff0cJSON \u7b80\u5355\u7684\u8bed\u6cd5\u683c\u5f0f\u548c\u6e05\u6670\u7684\u5c42\u6b21\u7ed3\u6784\u660e\u663e\u8981\u6bd4 XML \u5bb9\u6613\u9605\u8bfb\uff0c\u5e76\u4e14\u5728\u6570\u636e\u4ea4\u6362\u65b9\u9762\uff0c\u7531\u4e8e JSON \u6240\u4f7f\u7528\u7684\u5b57\u7b26\u8981\u6bd4 XML \u5c11\u5f97\u591a\uff0c\u53ef\u4ee5\u5927\u5927\u5f97\u8282\u7ea6\u4f20\u8f93\u6570\u636e\u6240\u5360\u7528\u5f97\u5e26\u5bbd\u3002<\/p>\n
    AJAX\u7b80\u4ecb<\/h1>\n
    AJAX\uff08Asynchronous Javascript And XML\uff09\u7ffb\u8bd1\u6210\u4e2d\u6587\u5c31\u662f\u201c\u5f02\u6b65\u7684Javascript\u548cXML\u201d\u3002\u5373\u4f7f\u7528Javascript\u8bed\u8a00\u4e0e\u670d\u52a1\u5668\u8fdb\u884c\u5f02\u6b65\u4ea4\u4e92\uff0c\u4f20\u8f93\u7684\u6570\u636e\u4e3aXML\uff08\u5f53\u7136\uff0c\u4f20\u8f93\u7684\u6570\u636e\u4e0d\u53ea\u662fXML\uff09\u3002<\/p>\n
    AJAX \u4e0d\u662f\u65b0\u7684\u7f16\u7a0b\u8bed\u8a00\uff0c\u800c\u662f\u4e00\u79cd\u4f7f\u7528\u73b0\u6709\u6807\u51c6\u7684\u65b0\u65b9\u6cd5\u3002<\/p>\n
    AJAX \u6700\u5927\u7684\u4f18\u70b9\u662f\u5728\u4e0d\u91cd\u65b0\u52a0\u8f7d\u6574\u4e2a\u9875\u9762\u7684\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u4e0e\u670d\u52a1\u5668\u4ea4\u6362\u6570\u636e\u5e76\u66f4\u65b0\u90e8\u5206\u7f51\u9875\u5185\u5bb9\u3002\uff08\u8fd9\u4e00\u7279\u70b9\u7ed9\u7528\u6237\u7684\u611f\u53d7\u662f\u5728\u4e0d\u77e5\u4e0d\u89c9\u4e2d\u5b8c\u6210\u8bf7\u6c42\u548c\u54cd\u5e94\u8fc7\u7a0b\uff09<\/p>\n
    AJAX \u4e0d\u9700\u8981\u4efb\u4f55\u6d4f\u89c8\u5668\u63d2\u4ef6\uff0c\u4f46\u9700\u8981\u7528\u6237\u5141\u8bb8JavaScript\u5728\u6d4f\u89c8\u5668\u4e0a\u6267\u884c\u3002<\/p>\n
    \u540c\u6b65\u4ea4\u4e92\uff1a\u5ba2\u6237\u7aef\u53d1\u51fa\u4e00\u4e2a\u8bf7\u6c42\u540e\uff0c\u9700\u8981\u7b49\u5f85\u670d\u52a1\u5668\u54cd\u5e94\u7ed3\u675f\u540e\uff0c\u624d\u80fd\u53d1\u51fa\u7b2c\u4e8c\u4e2a\u8bf7\u6c42\uff1b\n\u5f02\u6b65\u4ea4\u4e92\uff1a\u5ba2\u6237\u7aef\u53d1\u51fa\u4e00\u4e2a\u8bf7\u6c42\u540e\uff0c\u65e0\u9700\u7b49\u5f85\u670d\u52a1\u5668\u54cd\u5e94\u7ed3\u675f\uff0c\u5c31\u53ef\u4ee5\u53d1\u51fa\u7b2c\u4e8c\u4e2a\u8bf7\u6c42\u3002<\/code><\/pre>\n
    \u793a\u4f8b<\/p>\n
    \u9875\u9762\u8f93\u5165\u4e24\u4e2a\u6574\u6570\uff0c\u901a\u8fc7AJAX\u4f20\u8f93\u5230\u540e\u7aef\u8ba1\u7b97\u51fa\u7ed3\u679c\u5e76\u8fd4\u56de\u3002
    \nHTML\u90e8\u5206\u4ee3\u7801<\/p>\n
    <!DOCTYPE html>\n<html lang="en">\n<head>\n    <meta charset="UTF-8">\n    <title>Title<\/title>\n    <meta name="viewport" content="width=device-width, initial-scale=1">\n<\/head>\n<body>\n<input type="text" id="i1"> + <input type="text" id="i2"> = <input type="text" id="i3">\n<button id="b1">Ajax Test<\/button>\n\n<script src="\/static\/jquery-3.3.1.min.js"><\/script>\n<script>\n    $('#b1').click(function () {\n        $.ajax({\n            url:'',\n            type:'POST',\n            data:{i1:$('#i1').val(),i2:$('#i2').val()},\n            success:function (data) {\n                $('#i3').val(data)\n            }\n        })\n    })\n\n<\/script>\n<\/body>\n<\/html><\/code><\/pre>\n
    views.py<\/p>\n
    def ajax_test(request):\n    if request.method=='POST':\n        i1=request.POST.get('i1')\n        i2=request.POST.get('i2')\n        ret=int(i1)+int(i2)\n        return HttpResponse(ret)\n    return render(request,'ajax_test.html')<\/code><\/pre>\n
    urls.py<\/p>\n
    from django.conf.urls import url\nfrom app01 import views\nurlpatterns=[\n    url(r'^ajax_test\/',views.ajax_test),\n]\n<\/code><\/pre>\n
    AJAX\u5e38\u89c1\u5e94\u7528\u60c5\u666f<\/h3>\n
    \u641c\u7d22\u5f15\u64ce\u6839\u636e\u7528\u6237\u8f93\u5165\u7684\u5173\u952e\u5b57\uff0c\u81ea\u52a8\u63d0\u793a\u68c0\u7d22\u5173\u952e\u5b57\u3002<\/p>\n
    \u8fd8\u6709\u4e00\u4e2a\u5f88\u91cd\u8981\u7684\u5e94\u7528\u573a\u666f\u5c31\u662f\u6ce8\u518c\u65f6\u5019\u7684\u7528\u6237\u540d\u7684\u67e5\u91cd\u3002<\/p>\n
    \u5176\u5b9e\u8fd9\u91cc\u5c31\u4f7f\u7528\u4e86AJAX\u6280\u672f\uff01\u5f53\u6587\u4ef6\u6846\u53d1\u751f\u4e86\u8f93\u5165\u53d8\u5316\u65f6\uff0c\u4f7f\u7528AJAX\u6280\u672f\u5411\u670d\u52a1\u5668\u53d1\u9001\u4e00\u4e2a\u8bf7\u6c42\uff0c\u7136\u540e\u670d\u52a1\u5668\u4f1a\u628a\u67e5\u8be2\u5230\u7684\u7ed3\u679c\u54cd\u5e94\u7ed9\u6d4f\u89c8\u5668\uff0c\u6700\u540e\u518d\u628a\u540e\u7aef\u8fd4\u56de\u7684\u7ed3\u679c\u5c55\u793a\u51fa\u6765\u3002<\/p>\n
    \u6574\u4e2a\u8fc7\u7a0b\u4e2d\u9875\u9762\u6ca1\u6709\u5237\u65b0\uff0c\u53ea\u662f\u5237\u65b0\u9875\u9762\u4e2d\u7684\u5c40\u90e8\u4f4d\u7f6e\u800c\u5df2\uff01\n\u5f53\u8bf7\u6c42\u53d1\u51fa\u540e\uff0c\u6d4f\u89c8\u5668\u8fd8\u53ef\u4ee5\u8fdb\u884c\u5176\u4ed6\u64cd\u4f5c\uff0c\u65e0\u9700\u7b49\u5f85\u670d\u52a1\u5668\u7684\u54cd\u5e94\uff01<\/code><\/pre>\n
    \"\"<\/div>
    \n\u5f53\u8f93\u5165\u7528\u6237\u540d\u540e\uff0c\u628a\u5149\u6807\u79fb\u52a8\u5230\u5176\u4ed6\u8868\u5355\u9879\u4e0a\u65f6\uff0c\u6d4f\u89c8\u5668\u4f1a\u4f7f\u7528AJAX\u6280\u672f\u5411\u670d\u52a1\u5668\u53d1\u51fa\u8bf7\u6c42\uff0c\u670d\u52a1\u5668\u4f1a\u67e5\u8be2\u540d\u4e3alemontree7777777\u7684\u7528\u6237\u662f\u5426\u5b58\u5728\uff0c\u6700\u7ec8\u670d\u52a1\u5668\u8fd4\u56detrue\u8868\u793a\u540d\u4e3alemontree7777777\u7684\u7528\u6237\u5df2\u7ecf\u5b58\u5728\u4e86\uff0c\u6d4f\u89c8\u5668\u5728\u5f97\u5230\u7ed3\u679c\u540e\u663e\u793a\u201c\u7528\u6237\u540d\u5df2\u88ab\u6ce8\u518c\uff01\u201d\u3002<\/p>\n
    \u6574\u4e2a\u8fc7\u7a0b\u4e2d\u9875\u9762\u6ca1\u6709\u5237\u65b0\uff0c\u53ea\u662f\u5c40\u90e8\u5237\u65b0\u4e86\uff1b\n\u5728\u8bf7\u6c42\u53d1\u51fa\u540e\uff0c\u6d4f\u89c8\u5668\u4e0d\u7528\u7b49\u5f85\u670d\u52a1\u5668\u54cd\u5e94\u7ed3\u679c\u5c31\u53ef\u4ee5\u8fdb\u884c\u5176\u4ed6\u64cd\u4f5c\uff1b<\/code><\/pre>\n
    AJAX\u7684\u4f18\u7f3a\u70b9<\/h2>\n
    \u4f18\u70b9\uff1a<\/h3>\n
    AJAX\u4f7f\u7528JavaScript\u6280\u672f\u5411\u670d\u52a1\u5668\u53d1\u9001\u5f02\u6b65\u8bf7\u6c42\uff1b\nAJAX\u8bf7\u6c42\u65e0\u987b\u5237\u65b0\u6574\u4e2a\u9875\u9762\uff1b\n\u56e0\u4e3a\u670d\u52a1\u5668\u54cd\u5e94\u5185\u5bb9\u4e0d\u518d\u662f\u6574\u4e2a\u9875\u9762\uff0c\u800c\u662f\u9875\u9762\u4e2d\u7684\u90e8\u5206\u5185\u5bb9\uff0c\u6240\u4ee5AJAX\u6027\u80fd\u9ad8\uff1b \n\u4e24\u4e2a\u5173\u952e\u70b9:1.\u5c40\u90e8\u5237\u65b0\uff0c2.\u5f02\u6b65\u8bf7\u6c42<\/code><\/pre>\n
    jQuery\u5b9e\u73b0\u7684AJAX<\/h2>\n
    \u6700\u57fa\u672c\u7684jQuery\u53d1\u9001AJAX\u8bf7\u6c42\u793a\u4f8b\uff1a
    \n\u8bf7\u4e00\u5b9a\u70b9\u5f00\u770b\u4e00\u770b
    \nviews.py\uff1a<\/p>\n
    <!DOCTYPE html>\n<html lang="en">\n<head>\n    <meta charset="UTF-8">\n    <title>Title<\/title>\n    <meta name="viewport" content="width=device-width, initial-scale=1">\n\n    <style>\n        .hide {\n            display: none;\n        }\n    <\/style>\n<\/head>\n<body>\n<p><input type="text" class="user"><span class="hide" style="color: red">\u7528\u6237\u540d\u5df2\u5b58\u5728<\/span><\/p>\n\n<script src="\/static\/jquery-3.3.1.min.js"><\/script>\n{#\u4e0b\u9762\u8fd9\u4e00\u9879\u662f\u57fa\u4e8ejQuery\u7684\u57fa\u7840\u4e0a\u81ea\u52a8\u7ed9\u6211\u4eec\u7684\u6bcf\u4e00\u4e2aajax\u7ed1\u5b9a\u4e00\u4e2a\u8bf7\u6c42\u5934\u4fe1\u606f\uff0c\u7c7b\u4f3c\u4e8eform\u8868\u5355\u63d0\u4ea4post\u6570\u636e\u5fc5\u987b\u8981\u6709\u7684csrf_token\u4e00\u6837#}\n{#\u5426\u5219\u6211\u7684Django\u4e2d\u95f4\u4ef6\u91cc\u9762\u7684\u6821\u9a8ccsrf_token\u90a3\u4e00\u9879\u4f1a\u8ba4\u4e3a\u4f60\u8fd9\u4e2a\u8bf7\u6c42\u4e0d\u662f\u5408\u6cd5\u7684\uff0c\u963b\u6b62\u4f60\u7684\u8bf7\u6c42#}\n<script src="\/static\/setup_Ajax.js"><\/script>\n<script>\n    \/\/\u7ed9input\u6846\u7ed1\u5b9a\u4e00\u4e2a\u5931\u53bb\u7126\u70b9\u7684\u4e8b\u4ef6\n    $('.user').blur(function () {\n        \/\/$.ajax\u4e3a\u56fa\u5b9a\u7528\u6cd5\uff0c\u8868\u793a\u542f\u7528ajax\n        $.ajax({\n            \/\/url\u540e\u9762\u8ddf\u7684\u662f\u4f60\u8fd9\u4e2aajax\u63d0\u4ea4\u6570\u636e\u7684\u8def\u5f84\uff0c\u5411\u8c01\u63d0\u4ea4\uff0c\u4e0d\u5199\u5c31\u662f\u5411\u5f53\u524d\u8def\u5f84\u63d0\u4ea4\n            url:'',\n            \/\/type\u4e3a\u6807\u5b9a\u4f60\u8fd9\u4e2aajax\u8bf7\u6c42\u7684\u65b9\u6cd5\n            type:'POST',\n            \/\/data\u540e\u9762\u8ddf\u7684\u5c31\u662f\u4f60\u63d0\u4ea4\u7ed9\u540e\u7aef\u7684\u6570\u636e\n            data:{'username':$(this).val()},\n            \/\/success\u4e3a\u56de\u8c03\u51fd\u6570\uff0c\u53c2\u6570data\u5373\u540e\u7aef\u7ed9\u4f60\u8fd4\u56de\u7684\u6570\u636e\n            success:function (data) {\n                ret=JSON.parse(data);\n                if (ret['flag']){\n                    $('p>span').removeClass('hide');\n                }\n            }\n        })\n    });\n<\/script>\n<\/body>\n<\/html><\/code><\/pre>\n
    views.py<\/p>\n
    def index(request):\n    if request.method=='POST':\n        ret={'flag':False}\n        username=request.POST.get('username')\n        if username=='JBY':\n            ret['flag']=True\n            import json\n            return HttpResponse(json.dumps(ret))\n    return render(request,'index.html')<\/code><\/pre>\n
    $.ajax\u53c2\u6570<\/h3>\n
    data\u53c2\u6570\u4e2d\u7684\u952e\u503c\u5bf9\uff0c\u5982\u679c\u503c\u503c\u4e0d\u4e3a\u5b57\u7b26\u4e32\uff0c\u9700\u8981\u5c06\u5176\u8f6c\u6362\u6210\u5b57\u7b26\u4e32\u7c7b\u578b\u3002<\/p>\n
    $("#b1").on("click", function () {\n    $.ajax({\n      url:"\/ajax_add\/",\n      type:"GET",\n      data:{"i1":$("#i1").val(),"i2":$("#i2").val(),"hehe": JSON.stringify([1, 2, 3])},\n      success:function (data) {\n        $("#i3").val(data);\n      }\n    })\n  })<\/code><\/pre>\n
    JS\u5b9e\u73b0AJAX(\u4e86\u89e3)<\/h2>\n
    View Code<\/p>\n
    var b2 = document.getElementById("b2");\n  b2.onclick = function () {\n    \/\/ \u539f\u751fJS\n    var xmlHttp = new XMLHttpRequest();\n    xmlHttp.open("POST", "\/ajax_test\/", true);\n    xmlHttp.setRequestHeader("Content-type", "application\/x-www-form-urlencoded");\n    xmlHttp.send("username=q1mi&password=123456");\n    xmlHttp.onreadystatechange = function () {\n      if (xmlHttp.readyState === 4 && xmlHttp.status === 200) {\n        alert(xmlHttp.responseText);\n      }\n    };\n  };<\/code><\/pre>\n
    AJAX\u8bf7\u6c42\u5982\u4f55\u8bbe\u7f6ecsrf_token<\/h3>\n
    \u4e0d\u8bba\u662fajax\u8fd8\u662f\u8c01\uff0c\u53ea\u8981\u662f\u5411\u6211Django\u63d0\u4ea4post\u8bf7\u6c42\u7684\u6570\u636e\uff0c\u90fd\u5fc5\u987b\u6821\u9a8ccsrf_token\u6765\u9632\u4f2a\u8de8\u7ad9\u8bf7\u6c42\uff0c\u90a3\u4e48\u5982\u4f55\u5728\u6211\u7684ajax\u4e2d\u5f04\u8fd9\u4e2acsrf_token\u5462\uff0c\u6211\u53c8\u4e0d\u50cfform\u8868\u5355\u90a3\u6837\u53ef\u4ee5\u5728\u8868\u5355\u5185\u90e8\u901a\u8fc7\u4e00\u53e5{% csrf_token %}\u5c31\u641e\u5b9a\u4e86……
    \n\u65b9\u5f0f1<\/p>\n
    \u901a\u8fc7\u83b7\u53d6\u9690\u85cf\u7684input\u6807\u7b7e\u4e2d\u7684csrfmiddlewaretoken\u503c\uff0c\u653e\u7f6e\u5728data\u4e2d\u53d1\u9001\u3002<\/p>\n
    $.ajax({\n  url: "\/cookie_ajax\/",\n  type: "POST",\n  data: {\n    "username": "Tonny",\n    "password": 123456,\n    "csrfmiddlewaretoken": $("[name = 'csrfmiddlewaretoken']").val()  \/\/ \u4f7f\u7528JQuery\u53d6\u51facsrfmiddlewaretoken\u7684\u503c\uff0c\u62fc\u63a5\u5230data\u4e2d\n  },\n  success: function (data) {\n    console.log(data);\n  }\n})<\/code><\/pre>\n
    \u65b9\u5f0f2<\/p>\n
    \u901a\u8fc7\u83b7\u53d6\u8fd4\u56de\u7684cookie\u4e2d\u7684\u5b57\u7b26\u4e32 \u653e\u7f6e\u5728\u8bf7\u6c42\u5934\u4e2d\u53d1\u9001\u3002<\/p>\n
    \u6ce8\u610f\uff1a\u9700\u8981\u5f15\u5165\u4e00\u4e2ajquery.cookie.js\u63d2\u4ef6\u3002<\/p>\n
    $.ajax({\n  url: "\/cookie_ajax\/",\n  type: "POST",\n  headers: {"X-CSRFToken": $.cookie('csrftoken')},  \/\/ \u4eceCookie\u53d6csrf_token\uff0c\u5e76\u8bbe\u7f6eajax\u8bf7\u6c42\u5934\n  data: {"username": "Q1mi", "password": 123456},\n  success: function (data) {\n    console.log(data);\n  }\n})<\/code><\/pre>\n
    \u65b9\u5f0f3<\/p>\n
    function getCookie(name) {\n    var cookieValue = null;\n    if (document.cookie && document.cookie !== '') {\n        var cookies = document.cookie.split(';');\n        for (var i = 0; i < cookies.length; i++) {\n            var cookie = jQuery.trim(cookies[i]);\n            \/\/ Does this cookie string begin with the name we want?\n            if (cookie.substring(0, name.length + 1) === (name + '=')) {\n                cookieValue = decodeURIComponent(cookie.substring(name.length + 1));\n                break;\n            }\n        }\n    }\n    return cookieValue;\n}\nvar csrftoken = getCookie('csrftoken');<\/code><\/pre>\n
    \u6bcf\u4e00\u6b21\u90fd\u8fd9\u4e48\u5199\u592a\u9ebb\u70e6\u4e86\uff0c\u53ef\u4ee5\u4f7f\u7528$.ajaxSetup()\u65b9\u6cd5\u4e3aajax\u8bf7\u6c42\u7edf\u4e00\u8bbe\u7f6e\u3002
    \n\u590d\u5236\u4ee3\u7801<\/p>\n
    function csrfSafeMethod(method) {\n  \/\/ these HTTP methods do not require CSRF protection\n  return (\/^(GET|HEAD|OPTIONS|TRACE)$\/.test(method));\n}\n\n$.ajaxSetup({\n  beforeSend: function (xhr, settings) {\n    if (!csrfSafeMethod(settings.type) && !this.crossDomain) {\n      xhr.setRequestHeader("X-CSRFToken", csrftoken);\n    }\n  }\n});<\/code><\/pre>\n
    \u5c06\u4e0b\u9762\u7684\u6587\u4ef6\u914d\u7f6e\u5230\u4f60\u7684Django\u9879\u76ee\u7684\u9759\u6001\u6587\u4ef6\u4e2d\uff0c\u5728html\u9875\u9762\u4e0a\u901a\u8fc7\u5bfc\u5165\u8be5\u6587\u4ef6\u5373\u53ef\u81ea\u52a8\u5e2e\u6211\u4eec\u89e3\u51b3ajax\u63d0\u4ea4post\u6570\u636e\u65f6\u6821\u9a8ccsrf_token\u7684\u95ee\u9898\uff0c(\u5bfc\u5165\u8be5\u914d\u7f6e\u6587\u4ef6\u4e4b\u524d\uff0c\u9700\u8981\u5148\u5bfc\u5165jQuery\uff0c\u56e0\u4e3a\u8fd9\u4e2a\u914d\u7f6e\u6587\u4ef6\u5185\u7684\u5185\u5bb9\u662f\u57fa\u4e8ejQuery\u6765\u5b9e\u73b0\u7684)<\/p>\n
    \u66f4\u591a\u7ec6\u8282\u8be6\u89c1\uff1a
    \njagno\u5b98\u65b9\u6587\u6863\u4e2d\u5173\u4e8eCSRF\u7684\u5185\u5bb9https:\/\/docs.djangoproject.com\/en\/1.11\/ref\/csrf\/<\/p>\n
    \u7ec3\u4e60\uff08\u7528\u6237\u540d\u662f\u5426\u5df2\u88ab\u6ce8\u518c\uff09<\/h2>\n
    \u529f\u80fd\u4ecb\u7ecd<\/h3>\n
    \u5728\u6ce8\u518c\u8868\u5355\u4e2d\uff0c\u5f53\u7528\u6237\u586b\u5199\u4e86\u7528\u6237\u540d\u540e\uff0c\u628a\u5149\u6807\u79fb\u5f00\u540e\uff0c\u4f1a\u81ea\u52a8\u5411\u670d\u52a1\u5668\u53d1\u9001\u5f02\u6b65\u8bf7\u6c42\u3002\u670d\u52a1\u5668\u8fd4\u56de\u8fd9\u4e2a\u7528\u6237\u540d\u662f\u5426\u5df2\u7ecf\u88ab\u6ce8\u518c\u8fc7\u3002<\/p>\n
    \u6848\u4f8b\u5206\u6790<\/h3>\n
    \u9875\u9762\u4e2d\u7ed9\u51fa\u6ce8\u518c\u8868\u5355\uff1b\n\u5728username input\u6807\u7b7e\u4e2d\u7ed1\u5b9aonblur\u4e8b\u4ef6\u5904\u7406\u51fd\u6570\u3002\n\u5f53input\u6807\u7b7e\u5931\u53bb\u7126\u70b9\u540e\u83b7\u53d6 username\u8868\u5355\u5b57\u6bb5\u7684\u503c\uff0c\u5411\u670d\u52a1\u7aef\u53d1\u9001AJAX\u8bf7\u6c42\uff1b\ndjango\u7684\u89c6\u56fe\u51fd\u6570\u4e2d\u5904\u7406\u8be5\u8bf7\u6c42\uff0c\u83b7\u53d6username\u503c\uff0c\u5224\u65ad\u8be5\u7528\u6237\u5728\u6570\u636e\u5e93\u4e2d\u662f\u5426\u88ab\u6ce8\u518c\uff0c\u5982\u679c\u88ab\u6ce8\u518c\u4e86\u5c31\u8fd4\u56de\u201c\u8be5\u7528\u6237\u5df2\u88ab\u6ce8\u518c\u201d\uff0c\u5426\u5219\u54cd\u5e94\u201c\u8be5\u7528\u6237\u540d\u53ef\u4ee5\u6ce8\u518c\u201d\u3002<\/code><\/pre>\n
    \u7b54\u6848\u5c31\u5728\u524d\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u770b\u4f60\u80fd\u4e0d\u80fd\u627e\u5230\u4e86……<\/p>\n
    \u5e8f\u5217\u5316<\/h2>\n
    Django\u5185\u7f6e\u7684serializers<\/h3>\n
    \u4ec0\u4e48\u610f\u601d\u5462\uff1f\u5c31\u662f\u6211\u7684\u524d\u6bb5\u60f3\u62ff\u5230\u7531ORM\u5f97\u5230\u7684\u6570\u636e\u5e93\u91cc\u9762\u7684\u4e00\u4e2a\u4e2a\u7528\u6237\u5bf9\u8c61\uff0c\u6211\u7684\u540e\u7aef\u60f3\u76f4\u63a5\u5c06\u5b9e\u4f8b\u5316\u51fa\u6765\u7684\u6570\u636e\u5bf9\u8c61\u76f4\u63a5\u53d1\u9001\u7ed9\u5ba2\u6237\u7aef\uff0c\u90a3\u4e48\u8fd9\u4e2a\u65f6\u5019\uff0c\u5c31\u53ef\u4ee5\u7528Django\u7ed9\u6211\u4eec\u63d0\u4f9b\u7684\u5e8f\u5217\u5316\u65b9\u5f0f<\/p>\n
    def ser(request):\n    #\u62ff\u5230\u7528\u6237\u8868\u91cc\u9762\u7684\u6240\u6709\u7684\u7528\u6237\u5bf9\u8c61\n    user_list=models.User.objects.all()\n    #\u5bfc\u5165\u5185\u7f6e\u5e8f\u5217\u5316\u6a21\u5757\n    from django.core import serializers\n    #\u8c03\u7528\u8be5\u6a21\u5757\u4e0b\u7684\u65b9\u6cd5\uff0c\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\u4f60\u60f3\u4ee5\u4ec0\u4e48\u6837\u7684\u65b9\u5f0f\u5e8f\u5217\u5316\u4f60\u7684\u6570\u636e\n    ret=serializers.serialize('json',user_list)\n    return HttpResponse(ret)\n<\/code><\/pre>\n
    \"\"<\/div><\/p>\n
    \u8865\u5145\u4e00\u4e2aSweetAlert\u63d2\u4ef6\u793a\u4f8b<\/h2>\n
    \"\"<\/div><\/p>\n
    \u70b9\u51fb\u4e0b\u8f7dBootstrap-sweetalert\u9879\u76ee<\/a><\/p>\n
     $("#b55").click(function () {\n        swal({\n                    title: "\u4f60\u786e\u5b9a\u8981\u5220\u9664\u5417\uff1f",\n                    text: "\u5220\u9664\u53ef\u5c31\u627e\u4e0d\u56de\u6765\u4e86\u54e6\uff01",\n                    type: "warning",\n                    showCancelButton: true,  \/\/ \u662f\u5426\u663e\u793a\u53d6\u6d88\u6309\u94ae\n                    confirmButtonClass: "btn-danger",  \/\/ \u786e\u8ba4\u6309\u94ae\u7684\u6837\u5f0f\u7c7b\n                    confirmButtonText: "\u5220\u9664",  \/\/ \u786e\u8ba4\u6309\u94ae\u6587\u672c\n                    cancelButtonText: "\u53d6\u6d88",  \/\/ \u53d6\u6d88\u6309\u94ae\u6587\u672c\n                    closeOnConfirm: false,  \/\/ \u70b9\u51fb\u786e\u8ba4\u6309\u94ae\u4e0d\u5173\u95ed\u5f39\u6846\n                    showLoaderOnConfirm: true  \/\/ \u663e\u793a\u6b63\u5728\u5220\u9664\u7684\u52a8\u753b\u6548\u679c\n                },\n                function () {\n                    var deleteId = 2;\n                    $.ajax({\n                        url: "\/delete_book\/",\n                        type: "post",\n                        data: {"id": deleteId},\n                        success: function (data) {\n                            if (data.code === 0) {\n                                swal("\u5220\u9664\u6210\u529f!", "\u4f60\u53ef\u4ee5\u51c6\u5907\u8dd1\u8def\u4e86\uff01", "success");\n                            } else {\n                                swal("\u5220\u9664\u5931\u8d25", "\u4f60\u53ef\u4ee5\u518d\u5c1d\u8bd5\u4e00\u4e0b\uff01", "error")\n                            }\n                        }\n                    })\n                });\n    })<\/code><\/pre>\n
    \u4e0a\u9762\u8fd9\u4e2a\u4e8c\u6b21\u786e\u8ba4\u7684\u52a8\u6001\u6846\u6837\u5f0f\uff0c\u4f60\u4e5f\u53ef\u4ee5\u76f4\u63a5\u5e94\u7528\u5230\u4f60\u7684\u9879\u76ee\u4e2d<\/p>\n
    \u63d0\u9192\u4e8b\u9879\uff1a<\/p>\n
    1.\u4e0a\u8ff0\u7684\u6837\u5f0f\u7c7b\u90e8\u5206\u6e32\u67d3\u7684\u6837\u5f0f\u6765\u81ea\u4e8ebootstrap\u4e2d\uff0c\u6240\u6709\u5efa\u8bae\u5728\u4f7f\u7528\u4e0a\u8ff0\u6837\u5f0f\u65f6\uff0c\u5c06bootstrap\u7684js\u548ccss\u4e5f\u5bfc\u5165\u4e86\uff0c\u8fd9\u6837\u7684\u60c5\u51b5\u4e0b\uff0c\u9875\u9762\u6548\u679c\u5c31\u4e0d\u4f1a\u6709\u4efb\u4f55\u95ee\u9898<\/p>\n
    2.\u5f39\u51fa\u7684\u4e0a\u8ff0\u6a21\u6001\u6846\u4e2d\uff0c\u53ef\u80fd\u5b57\u4f53\u4f1a\u88ab\u56fe\u6807\u63a9\u76d6\u4e00\u90e8\u5206\uff0c\u53ef\u901a\u8fc7\u8c03\u6574\u5b57\u4f53\u7684\u4e0a\u5916\u8fb9\u8ddd\u6765\u89e3\u51b3
    \n
    \"\"<\/div><\/p>\n","protected":false},"excerpt":{"rendered":"
    AJAX\u51c6\u5907\u77e5\u8bc6\uff1aJSON \u4ec0\u4e48\u662f JSON \uff1f JSON \u6307\u7684\u662f JavaScript \u5bf9\u8c61\u8868\u793a\u6cd5\uff08Java […]<\/p>\n","protected":false},"author":3,"featured_media":5819,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[385,388],"tags":[],"_links":{"self":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/5768"}],"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=5768"}],"version-history":[{"count":0,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/5768\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/media\/5819"}],"wp:attachment":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5768"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5768"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5768"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}