![\"\"](\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\")
<\/div><\/p>\n
3.3 url_for()\u7684\u4f7f\u7528:<\/h3>\n3.3.1\u7b80\u4ecb\u89c6\u56fe\u51fd\u6570\uff1a<\/h4>\n
\u6211\u4eec\u5728\u8bbf\u95ee\u4e00\u4e2a\u7f51\u5740\u7684\u65f6\u5019\u5728\u8c03\u7528flask\u9879\u76ee\u7684\u65f6\u5019\u9700\u8981\u8c03\u7528\u7684\u662f\u4e00\u6bb5\u5177\u4f53\u7684\u4ee3\u7801\uff0c\u4e5f\u5c31\u662f\u4e00\u4e2apython\u7c7b\u6216\u8005python\u51fd\u6570\uff0c\u5728\u8fd9\u91cc\u8fd9\u4e2apython\u7c7b\u6211\u4eec\u79f0\u4e4b\u4e3a\u89c6\u56fe\u7c7b\uff0cpython\u51fd\u6570\u6211\u4eec\u79f0\u4e4b\u4e3a\u89c6\u56fe\u51fd\u6570\u3002<\/p>\n
3.3.2 url_for()\u7684\u4f5c\u7528\uff1a<\/h4>\n
\u5982\u679c\u6211\u4eec\u5728\u89c6\u56fe\u51fd\u6570\u4e2d\u60f3\u4f7f\u7528\u4e00\u4e2aurl\uff0c\u6bd4\u5982\u7ed9\u524d\u7aef\u8fd4\u56de\uff0c\u6216\u8005\u6211\u4eec\u5728\u8fd9\u4e2a\u89c6\u56fe\u51fd\u6570\u4e2d\u8fd4\u56de\u4e00\u4e2a\u6a21\u677f\u6587\u4ef6\u90fd\u4f1a\u4f7f\u7528\u5230url\uff0curl\u76f8\u5f53\u4e8e\u4e00\u628a\u94a5\u5319\u53ef\u4ee5\u5f00\u542f\u4e00\u4e9b\u8d44\u6e90\u3002\u5982\u679c\u4f60\u4fee\u6539\u4e86\u6ce8\u518c\u8def\u7531\u7f16\u5199\u7684url\u89c4\u5219\uff0c\u76f8\u5f53\u4e8e\u4fee\u6539\u4e86\u94a5\u5319\u3002\u90a3\u4e48\u5176\u4ed6\u7684\u89c6\u56fe\u51fd\u6570\u4f9d\u65e7\u662f\u4f7f\u7528\u4e86\u539f\u6765\u7684\u94a5\u5319\u5c31\u65e0\u6548\u4e86\uff0c\u5982\u679c\u9879\u76ee\u662f\u4e00\u4e2a\u5927\u9879\u76ee\uff0c\u4f60\u4e00\u70b9\u70b9\u624b\u52a8\u7684\u53bb\u6539\u6d89\u53ca\u5230\u7684\u7684url\u5c31\u4e0d\u5408\u7406\u4e86\u3002url_for()\u5c31\u662f\u7528\u6765\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u7684\u3002<\/p>\n
3.3.3url_for()\u7684\u539f\u7406\uff1a<\/h4>\n
\u5229\u7528\u89c6\u56fe\u51fd\u6570\u540d\u5b57\u4e00\u822c\u4e0d\u4f1a\u6539\u53d8\u7684\u7279\u6027\uff0c\u5229\u7528\u89c6\u56fe\u51fd\u6570\u7684\u540d\u5b57<\/code>\u53bb\u52a8\u6001\u7cbe\u51c6\u7684\u83b7\u53d6url\uff0c\u4ee5\u4fbf\u4e8e\u5f00\u53d1\u4f7f\u7528\u3002<\/p>\nurl_for('\u89c6\u56fe\u51fd\u6570\u540d\u5b57') # \u8f93\u51fa\u8be5\u89c6\u56fe\u51fd\u6570url<\/code><\/pre>\n\u5177\u4f53\u4f8b\u5b50<\/strong>\uff1a<\/p>\nfrom flask import Flask,url_for\n\napp = Flask(__name__)\napp.config.update(DEBUG=True)\n\n@app.route('\/')\ndef demo1():\n print(url_for("book")) # \u6ce8\u610f\u8fd9\u4e2a\u5f15\u7528\u7684\u662f\u89c6\u56fe\u51fd\u6570\u7684\u540d\u5b57 \u5b57\u7b26\u4e32\u683c\u5f0f\n print(type(url_for("book")))\n\n return url_for("book")\n\n@app.route('\/book_list\/')\ndef book():\n\n return 'flask_book'\n\nif __name__ == "__main__":\n app.run()<\/code><\/pre>\n\u6211\u4eec\u76f4\u63a5\u8bbf\u95eehttp:\/\/127.0.0.1:5000\/\uff0c\u7ecf\u8fc7\u8def\u7531\u7684\u5206\u53d1\u4f1a\u89e6\u53d1demo1\u7684\u6267\u884c\u3002\u5982\u56fe<\/p>\n
<\/div><\/p>\n
3.3.4 url_for\u5982\u4f55\u5904\u7406\u52a8\u6001\u7684\u89c6\u56fe\u51fd\u6570\uff1f<\/h4>\n
\u5982\u679c\u60f3\u83b7\u53d6\u52a8\u6001\u8def\u7531\uff0c\u5fc5\u987b\u4ee5\u5173\u952e\u5b57\u5b9e\u53c2\u7684\u5f62\u5f0f\u4e3a\u52a8\u6001\u7684path\u90e8\u5206\u8d4b\u503c\uff0c\u6ce8\u610f\u52a8\u6001\u7684path\u90e8\u5206\u5fc5\u987b\u88ab\u8d4b\u503c\uff0c<\/p>\n
\u6848\u4f8b\uff1a<\/p>\n
@app.route('\/demo2\/')\ndef demo2():\n\n student_url = url_for('student', id=5, name='mark') # id \u5c31\u662f\u52a8\u6001path\u7684key \u5fc5\u987b\u8d4b\u503c\uff0c # name \u5c06\u4f5c\u4e3a\u67e5\u8be2\u5b57\u7b26\u4e32\u4f20\u5165\n print(student_url)\n\n return student_url\n\n@app.route('\/student\/<int:id>\/')\ndef student(id):\n return 'student {}'.format(id)<\/code><\/pre>\n\u63a7\u5236\u53f0\u8f93\u51fa\uff1a<\/p>\n
<\/div><\/p>\n
\u6d4f\u89c8\u5668\u8f93\u51fa\uff1a<\/p>\n
<\/div><\/p>\n
3.3.5 url_for\u5982\u4f55\u4e3aurl\u6dfb\u52a0\u67e5\u8be2\u5b57\u7b26\u4e32\uff1f<\/h4>\n
\u5982\u679c\u60f3\u5728\u8def\u5f84\u540e\u9762\u62fc\u51fa\u6765\u67e5\u8be2\u5b57\u7b26\u4e32\uff0c\u4ee5\u5173\u952e\u5b57\u5b9e\u53c2\u7684\u5f62\u5f0f\u653e\u5230url_for()\u91cc\u9762\u4f5c\u4e3a\u53c2\u6570\uff0c\u4f1a\u81ea\u52a8\u62fc\u6210\u8def\u5f84<\/p>\n
\u6848\u4f8b\uff1a<\/p>\n
@app.route('\/demo3\/')\ndef demo3():\n school_url = url_for('school', school_level='high', name='college') \n # \u5177\u4f53\u8981\u62fc\u63a5\u7684\u67e5\u8be2\u53c2\u6570 \u4ee5\u5173\u952e\u5b57\u5b9e\u53c2\u7684\u5f62\u5f0f\u5199\u5728url_for\u91cc\n print(school_url)\n\n return school_url\n\n@app.route('\/school\/')\ndef school():\n\n return 'school message'<\/code><\/pre>\n\u63a7\u5236\u53f0\u8f93\u51fa\uff1a<\/p>\n
<\/div><\/p>\n
\u6d4f\u89c8\u5668\u8f93\u51fa\uff1a<\/p>\n
<\/div><\/p>\n
3.4 \u81ea\u5b9a\u4e49\u52a8\u6001\u8def\u7531\u8fc7\u6ee4\u5668<\/h3>\n
<\/div><\/p>\n
3.4.1 \u81ea\u5b9a\u4e49\u52a8\u6001\u8def\u7531\u8fc7\u6ee4\u5668\u4e4b\u6b63\u5219\u5339\u914d<\/h4>\n
\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u7ee7\u627fwerkzeug.routing \u7684BaseConverter<\/code>\u7c7b\u4ece\u800c\u81ea\u5df1\u5b9a\u4e49\u4e00\u4e2a\u52a8\u6001\u8def\u7531\u8fc7\u6ee4\u5668\u7684\u89c4\u5219<\/p>\nfrom flask import Flask,request\nfrom werkzeug.routing import BaseConverter\n\napp = Flask(__name__)\napp.debug =True\n\nclass TelephoneConverter(BaseConverter):\n regex = '1[3857]\\d{9}' #\u53f3\u4e0b\u659c\u6760d\n\napp.url_map.converters['tel'] = TelephoneConverter\n\n@app.route('\/student\/<tel:telenum>\/')\ndef student_detail(telenum):\n\n return '\u5b66\u751f\u7684\u624b\u673a\u53f7\u7801\u662f{}'.format(telenum)\n\nif __name__ == '__main__':\n app.run()\n<\/code><\/pre>\n\u6ce8\u610f\uff1a<\/p>\n
\n- \n
\u81ea\u5b9a\u4e49\u52a8\u6001\u8def\u7531\u8fc7\u6ee4\u5668\u7c7b\uff0c\u8be5\u7c7b\u5fc5\u987b\u7ee7\u627fwerkzeug.routing<\/code> \u7684BaseConverter<\/code>\u7c7b<\/p>\n<\/li>\n- \n
\u901a\u8fc7regex<\/code>\u5c5e\u6027\u6307\u5b9a\u8def\u7531\u89c4\u5219<\/p>\n<\/li>\n- \n
\u8bb2\u81ea\u5b9a\u4e49\u7684\u7c7b\u6620\u5c04\u5230app.url_map.converters<\/code>\u4e2d\uff08\u5176\u672c\u8d28\u662f\u4e00\u4e2a\u5b57\u5178\uff09<\/p>\napp.url_map.converters['tel'] = TelephoneConverter<\/code><\/p>\n<\/li>\n<\/ol>\n\u5b9e\u73b0\u6548\u679c\uff1a<\/p>\n
<\/div><\/p>\n
<\/div><\/p>\n
3.4.2 \u81ea\u5b9a\u4e49\u52a8\u6001\u8def\u7531\u8fc7\u6ee4\u5668\u4e4b\u5904\u7406\u52a8\u6001\u8def\u7531<\/h4>\n
\u81ea\u5b9a\u4e49\u4e00\u4e2a\u7c7b\uff0c\u8be5\u901a\u8fc7\u7ee7\u627fwerkzeug.routing \u7684BaseConverter<\/code>\u7c7b\u4e0d\u5149\u53ef\u4ee5\u5b9e\u73b0\u6b63\u5219\u5339\u914d\uff0c\u6211\u4eec\u4ecb\u7ecd\u4e00\u4e0b\u4ee5\u4e0b\u4e24\u4e2a\u65b9\u6cd5\uff1a<\/p>\n\n- \n
\u5728\u8be5\u7c7b\u4e2d\u5b9e\u73b0 to_python \u65b9\u6cd5\uff1a<\/p>\n
\u8fd9\u4e2a\u65b9\u6cd5\u7684\u8fd4\u56de\u503c\uff0c\u5c06\u4f1a\u4f20\u9012\u7ed9\u89c6\u56fe\u51fd\u6570\u7684\u5f62\u53c2\u3002\u6211\u4eec\u53ef\u4ee5\u5229\u7528\u8fd9\u4e2a\u65b9\u6cd5\u5b9e\u73b0\u5904\u7406url\u4e2d\u52a8\u6001\u8def\u7531\u90e8\u5206\u3002<\/p>\n<\/li>\n
- \n
\u5728\u8be5\u7c7b\u4e2d\u5b9e\u73b0 to_url \u65b9\u6cd5\uff1a<\/p>\n
\u7ffb\u8f6curl\u7684\u65f6\u5019\u4e5f\u5c31\u662f\u4f7f\u7528url_for\u51fd\u6570\u7684\u65f6\u5019\uff0c\u6211\u4eec\u4f20\u5165\u6307\u5b9a\u7684\u52a8\u6001\u8def\u7531\u90e8\u5206\uff0c\u89e6\u53d1to_url\u65b9\u6cd5\uff0c\u8fd9\u4e2a\u65b9\u6cd5\u7684\u8fd4\u56de\u503c\uff0c\u4f1a\u62fc\u63a5\u5728\u975e\u52a8\u6001\u8def\u7531\u4e0a\uff0c\u4ece\u800c\u5b9e\u73b0\u751f\u6210\u7b26\u5408\u8981\u6c42\u7684url\u683c\u5f0f\u3002<\/p>\n<\/li>\n<\/ul>\n
\u5b9e\u4f8b\uff1a<\/strong><\/h5>\nfrom flask import Flask,request,url_for\nfrom werkzeug.routing import BaseConverter\n\napp = Flask(__name__)\napp.debug =True\n\nclass ListConverter(BaseConverter):\n regex = '.*' # \u8fd9\u4e2aregex\u4ee3\u8868\u90fd\u5339\u914d\u7684\u610f\u601d\uff0c\u53ef\u4ee5\u6839\u636e\u81ea\u5df1\u7684\u9700\u6c42\u5236\u5b9aurl\u89c4\u5219\n def to_python(self, value):\n '''\u8fd9\u4e2a\u51fd\u6570\u7528\u4e8e\u62ff\u5230\u4e86\u8def\u7531\u91cc\u7684\u52a8\u6001\u53c2\u6570\u8d4b\u503c\u7ed9value\uff0c\n \u53ef\u4ee5\u5728to_python\u8fdb\u884c\u64cd\u4f5c\u52a8\u6001\u53c2\u6570\uff0c\n \u8fd4\u56de\u64cd\u4f5c\u5b8c\u7684\u7684\u7ed3\u679c\u7ed9\u89c6\u56fe\u51fd\u6570\u7684\u5f62\u53c2'''\n return value.split('+')\n\n def to_url(self, value):\n '''\u8fd9\u4e2a\u51fd\u6570\u7528\u4e8e\u548curl_for\u8fde\u7528\uff0c\n url_for\u901a\u8fc7\u6307\u5b9a\u7ed9\u52a8\u6001\u53c2\u6570(\u4ee5\u5173\u952e\u5b57\u5b9e\u53c2\u7684\u5f62\u5f0f)\u8d4b\u503c\u7ed9value\n \u6211\u4eec\u53ef\u4ee5\u6839\u636e\u6211\u4eec\u7684\u9700\u6c42\u64cd\u4f5curl_for\u4f20\u8fdb\u6765\u7684\u53c2\u6570\uff0c\n \u7136\u540e\u8fd4\u56de\u4e00\u4e2a\u7406\u60f3\u7684\u52a8\u6001\u8def\u7531\u5185\u5bb9\u62fc\u63a5\u5728url\u4e0a'''\n return '+'.join(value)\n\napp.url_map.converters['list'] = ListConverter\n\n@app.route('\/student_list\/<list:students>\/')\ndef student_list(students):\n print(url_for('student_list',students=['a','b'])) # \u8f93\u51fa \/student_list\/a+b\/\n\n return '{}'.format(students)\n\nif __name__ == '__main__':\n app.run()<\/code><\/pre>\n\u8bc1\u660eto_python()<\/code>\u65b9\u6cd5\u628a\u8bbf\u95ee\u65f6\u5019\u52a8\u6001\u8def\u7531\u90e8\u5206\u88ab\u5904\u7406\u6210\u5217\u8868\u4e86\u3002<\/p>\n<\/div><\/p>\n
\u8bc1\u660e\u6211\u4eec\u7684 to_url()<\/code> \u65b9\u6cd5\u628aurl_for()<\/code>\u51fd\u6570\u4f20\u5165\u7684\u52a8\u6001\u8def\u7531\u90e8\u5206\u7531\u5217\u8868\u8f6c\u6362\u6210\u62fc\u63a5\u5b57\u7b26\u4e32\u4e86\u3002<\/p>\n<\/div><\/p>\n","protected":false},"excerpt":{"rendered":"
02-\u8be6\u89e3url 1 \u4ec0\u4e48\u662furl\uff1f url\u662f\u7edf\u4e00\u8d44\u6e90\u5b9a\u4f4d\u7b26\uff08Uniform Resource Locator […]<\/p>\n","protected":false},"author":3,"featured_media":2502,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[266],"tags":[273],"_links":{"self":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/2034"}],"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=2034"}],"version-history":[{"count":0,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/2034\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/media\/2502"}],"wp:attachment":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2034"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2034"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2034"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
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