{"id":299,"date":"2020-10-21T19:19:48","date_gmt":"2020-10-21T11:19:48","guid":{"rendered":"http:\/\/moyisuiying.com\/?p=299"},"modified":"2020-12-10T14:23:59","modified_gmt":"2020-12-10T06:23:59","slug":"python%e7%9a%84web%e6%a1%86%e6%9e%b6flask%e5%85%a5%e9%97%a8%e5%ad%a6%e4%b9%a0","status":"publish","type":"post","link":"http:\/\/moyisuiying.com\/index.php\/python\/299.html","title":{"rendered":"Python\u7684web\u6846\u67b6Flask\u5165\u95e8\u5b66\u4e60"},"content":{"rendered":"\n<h2>web\u6846\u67b6Flask<\/h2>\n\n\n\n<h3>1.1Flask\u7b80\u4ecb<\/h3>\n\n\n\n<p>\u200b Flask\u662f\u4e00\u4e2a\u7528Python\u7f16\u5199\u7684Web\u5e94\u7528\u7a0b\u5e8f\u6846\u67b6\u3002 \u5b83\u7531 <strong>Armin Ronacher<\/strong> \u5f00\u53d1\uff0c\u4ed6\u9886\u5bfc\u4e00\u4e2a\u540d\u4e3aPocco\u7684\u56fd\u9645Python\u7231\u597d\u8005\u56e2\u961f\u3002 Flask\u57fa\u4e8eWerkzeug WSGI\u5de5\u5177\u5305\u548cJinja2\u6a21\u677f\u5f15\u64ce\u3002\u4e24\u8005\u90fd\u662fPocco\u9879\u76ee\u3002<\/p>\n\n\n\n<h2>1.2Flask \u73af\u5883\u5b89\u88c5<\/h2>\n\n\n\n<p>\u200b \u5b89\u88c5Flask\u901a\u5e38\u9700\u8981Python 2.6\u6216\u66f4\u9ad8\u7248\u672c\u3002\u867d\u7136Flask\u53ca\u5176\u4f9d\u8d56\u9879\u9002\u7528\u4e8ePython 3\uff08Python 3.3\u4ee5\u4e0a\u7248\u672c\uff09\uff0c\u4f46\u662f\u8bb8\u591aFlask\u6269\u5c55\u4e0d\u80fd\u6b63\u786e\u652f\u6301\u5b83\u3002\u56e0\u6b64\uff0c\u5efa\u8bae\u5728Python 2.7\u4e0a\u5b89\u88c5Flask\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>pip install Flask<\/code><\/pre>\n\n\n\n<h3>1.3Flask\u5e94\u7528<\/h3>\n\n\n\n<p>\u200b \u4e3a\u4e86\u6d4b\u8bd5 <strong>Flask<\/strong> \u5b89\u88c5\uff0c\u8bf7\u5728\u7f16\u8f91\u5668\u4e2d\u5c06\u4ee5\u4e0b\u4ee3\u7801\u8f93\u5165 <strong>Hello.py\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>from flask import Flask\napp = Flask(__name__)\n\n@app.route('\/')\ndef hello_world():\n   return 'Hello World'\n\nif __name__ == '__main__':\n   app.run()<\/code><\/pre>\n\n\n\n<p>\u5fc5\u987b\u5728\u9879\u76ee\u4e2d\u5bfc\u5165Flask\u6a21\u5757\u3002 Flask\u7c7b\u7684\u4e00\u4e2a\u5bf9\u8c61\u662f\u6211\u4eec\u7684WSGI\u5e94\u7528\u7a0b\u5e8f\u3002<br>Flask\u6784\u9020\u51fd\u6570\u4f7f\u7528\u5f53\u524d\u6a21\u5757\uff08<strong>name <\/strong>\uff09\u7684\u540d\u79f0\u4f5c\u4e3a\u53c2\u6570\u3002Flask\u7c7b\u7684route()\u51fd\u6570\u662f\u4e00\u4e2a\u88c5\u9970\u5668\uff0c\u5b83\u544a\u8bc9\u5e94\u7528\u7a0b\u5e8f\u54ea\u4e2aURL\u5e94\u8be5\u8c03\u7528\u76f8\u5173\u7684\u51fd\u6570\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>app.route(rule, options)<\/code><\/pre>\n\n\n\n<ul><li><strong>rule<\/strong> \u53c2\u6570\u8868\u793a\u4e0e\u8be5\u51fd\u6570\u7684URL\u7ed1\u5b9a\u3002<\/li><li><strong>options<\/strong> \u662f\u8981\u8f6c\u53d1\u7ed9\u57fa\u7840Rule\u5bf9\u8c61\u7684\u53c2\u6570\u5217\u8868\u3002<\/li><\/ul>\n\n\n\n<p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c'\/ ' URL,\u8868\u793a\u5728\u201chttp:\/\/127.0.0.1:5000\/\u201d\u4e0b\u8bf7\u6c42\u4e0ehello_world()\u51fd\u6570\u7ed1\u5b9a\u3002\u56e0\u6b64\uff0c\u5f53\u5728\u6d4f\u89c8\u5668\u4e2d\u6253\u5f00web\u670d\u52a1\u5668\u7684\u4e3b\u9875\u65f6\uff0c\u5c06\u5448\u73b0\u8be5\u51fd\u6570\u7684\u8f93\u51fa\u3002<br>\u6700\u540e\uff0cFlask\u7c7b\u7684run()\u65b9\u6cd5\u5728\u672c\u5730\u5f00\u53d1\u670d\u52a1\u5668\u4e0a\u8fd0\u884c\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>app.run(host, port, debug, options)<\/code><\/pre>\n\n\n\n<p><img   class=\"lazyload\" data-src=\"https:\/\/img-blog.csdnimg.cn\/20201021190209338.png?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70#pic_center\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/moezx\/cdn@3.0.2\/img\/svg\/loader\/trans.ajax-spinner-preloader.svg\" onerror=\"imgError(this)\"  alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"><br>\u4e0a\u9762\u7ed9\u51fa\u7684<strong>Python<\/strong>\u811a\u672c\u662f\u4ecePython shell\u6267\u884c\u7684\u3002<\/p >\n<noscript><img src=\"https:\/\/img-blog.csdnimg.cn\/20201021190209338.png?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70#pic_center\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"><br>\u4e0a\u9762\u7ed9\u51fa\u7684<strong>Python<\/strong>\u811a\u672c\u662f\u4ecePython shell\u6267\u884c\u7684\u3002<\/p><\/noscript>\n\n\n\n<pre class=\"wp-block-code\"><code>Python Hello.py<\/code><\/pre>\n\n\n\n<p>Python shell\u4e2d\u7684\u6d88\u606f\u901a\u77e5\u60a8\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>* Running on http:\/\/127.0.0.1:5000\/ (Press CTRL+C to quit)<\/code><\/pre>\n\n\n\n<p>\u5728\u6211\u4eec\u7684idea\u4e2dpycharm\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7<br><img   class=\"lazyload\" data-src=\"https:\/\/img-blog.csdnimg.cn\/20201021190358242.png?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70#pic_center\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/moezx\/cdn@3.0.2\/img\/svg\/loader\/trans.ajax-spinner-preloader.svg\" onerror=\"imgError(this)\"  alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"><\/p >\n<noscript><img src=\"https:\/\/img-blog.csdnimg.cn\/20201021190358242.png?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70#pic_center\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"><\/p><\/noscript>\n\n\n\n<p><img  src=\"https:\/\/img-blog.csdnimg.cn\/20201021190358274.png?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70#pic_center\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"><br>\u7136\u540e\u5728\u6d4f\u89c8\u5668\u4e2d\u8f93\u5165URL : http:\/\/127.0.0.1:5000\/\u5373\u53ef\u8bbf\u95ee<br><img  class=\"lazyload\" data-src=\"https:\/\/img-blog.csdnimg.cn\/20201021190501694.png?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70#pic_center\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/moezx\/cdn@3.0.2\/img\/svg\/loader\/trans.ajax-spinner-preloader.svg\" onerror=\"imgError(this)\"  alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"><strong>1.4<\/strong> Flask\u6587\u6863<br>\u66f4\u591a\u4f7f\u7528\u8be6\u60c5\u8bf7\u53c2\u8003<a href=\"https:\/\/www.w3cschool.cn\/flask\/\" target=\"_blank\"  rel=\"nofollow\" >flask\u6587\u6863<\/a><\/p >\n<noscript><img src=\"https:\/\/img-blog.csdnimg.cn\/20201021190358274.png?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70#pic_center\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"><br>\u7136\u540e\u5728\u6d4f\u89c8\u5668\u4e2d\u8f93\u5165URL : http:\/\/127.0.0.1:5000\/\u5373\u53ef\u8bbf\u95ee<br><img src=\"https:\/\/img-blog.csdnimg.cn\/20201021190501694.png?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70#pic_center\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"><strong>1.4<\/strong> Flask\u6587\u6863<br>\u66f4\u591a\u4f7f\u7528\u8be6\u60c5\u8bf7\u53c2\u8003<a href=\"https:\/\/www.w3cschool.cn\/flask\/\" target=\"_blank\"  rel=\"nofollow\" >flask\u6587\u6863<\/a><\/p><\/noscript>\n","protected":false},"excerpt":{"rendered":"<p>web\u6846\u67b6Flask 1.1Flask\u7b80\u4ecb \u200b Flask\u662f\u4e00\u4e2a\u7528Python\u7f16\u5199\u7684Web\u5e94\u7528\u7a0b\u5e8f\u6846\u67b6\u3002 \u5b83\u7531 Armin Ron &#8230;<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[57],"tags":[61,60,70,71],"_links":{"self":[{"href":"http:\/\/moyisuiying.com\/index.php\/wp-json\/wp\/v2\/posts\/299"}],"collection":[{"href":"http:\/\/moyisuiying.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/moyisuiying.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/moyisuiying.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/moyisuiying.com\/index.php\/wp-json\/wp\/v2\/comments?post=299"}],"version-history":[{"count":1,"href":"http:\/\/moyisuiying.com\/index.php\/wp-json\/wp\/v2\/posts\/299\/revisions"}],"predecessor-version":[{"id":300,"href":"http:\/\/moyisuiying.com\/index.php\/wp-json\/wp\/v2\/posts\/299\/revisions\/300"}],"wp:attachment":[{"href":"http:\/\/moyisuiying.com\/index.php\/wp-json\/wp\/v2\/media?parent=299"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/moyisuiying.com\/index.php\/wp-json\/wp\/v2\/categories?post=299"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/moyisuiying.com\/index.php\/wp-json\/wp\/v2\/tags?post=299"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}