{"id":2007,"date":"2021-08-03T17:25:37","date_gmt":"2021-08-03T09:25:37","guid":{"rendered":"https:\/\/egonlin.com\/?p=2007"},"modified":"2022-02-07T15:16:06","modified_gmt":"2022-02-07T07:16:06","slug":"%e5%88%9d%e8%af%86flask","status":"publish","type":"post","link":"https:\/\/egonlin.com\/?p=2007","title":{"rendered":"\u521d\u8bc6flask"},"content":{"rendered":"<h1>01-\u521d\u8bc6flask<\/h1>\n<h2>1 \u4ec0\u4e48\u662fflask?<\/h2>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/\u6076\u641e\u56fe01-14.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/\u6076\u641e\u56fe01-14.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<p>Flask \u672c\u662f\u4f5c\u8005 Armin Ronacher\u57282010\u5e744\u67081\u65e5\u7684\u4e00\u4e2a\u611a\u4eba\u8282\u73a9\u7b11 \uff0c\u4e0d\u8fc7\u540e\u6765\u5927\u53d7\u6b22\u8fce\uff0c\u8fdb\u800c\u6210\u4e3a\u4e00\u4e2a\u6b63\u5f0f\u7684python\u7f16\u5199\u7684web\u6846\u67b6<\/p>\n<p>Flask\u662f\u4e00\u4e2aPython\u7f16\u5199\u7684Web \u5fae\u6846\u67b6\uff0c\u8ba9\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Python\u8bed\u8a00\u5feb\u901f\u5b9e\u73b0\u4e00\u4e2a\u7f51\u7ad9\u6216Web\u670d\u52a1\uff0c\u5728\u4ecb\u7ecdFlask\u4e4b\u524d\u9996\u5148\u6765\u804a\u4e0b\u5b83\u548cDjango\u7684\u8054\u7cfb\u4ee5\u53ca\u533a\u522b\uff0cdjango\u4e2a\u5927\u800c\u5168\u7684web\u6846\u67b6\uff0c\u5b83\u5185\u7f6e\u8bb8\u591a\u6a21\u5757\uff0cflask\u662f\u4e00\u4e2a\u5c0f\u800c\u7cbe\u7684\u8f7b\u91cf\u7ea7\u6846\u67b6\uff0cDjango\u529f\u80fd\u5927\u800c\u5168\uff0cFlask\u53ea\u5305\u542b\u57fa\u672c\u7684\u914d\u7f6e,  Django\u7684\u4e00\u7ad9\u5f0f\u89e3\u51b3\u7684\u601d\u8def\uff0c\u80fd\u8ba9\u5f00\u53d1\u8005\u4e0d\u7528\u5728\u5f00\u53d1\u4e4b\u524d\u5c31\u5728\u9009\u62e9\u5e94\u7528\u7684\u57fa\u7840\u8bbe\u65bd\u4e0a\u82b1\u8d39\u5927\u91cf\u65f6\u95f4\u3002Django\u6709\u6a21\u677f\uff0c\u8868\u5355\uff0c\u8def\u7531\uff0c\u57fa\u672c\u7684\u6570\u636e\u5e93\u7ba1\u7406\u7b49\u7b49\u5185\u5efa\u529f\u80fd\u3002\u4e0e\u4e4b\u76f8\u53cd\uff0cFlask\u53ea\u662f\u4e00\u4e2a\u5185\u6838\uff0c\u9ed8\u8ba4\u4f9d\u8d56\u4e8e2\u4e2a\u5916\u90e8\u5e93\uff1a Jinja2 \u6a21\u677f\u5f15\u64ce\u548c WSGI\u5de5\u5177\u96c6&#8211;Werkzeug , flask\u7684\u4f7f\u7528\u7279\u70b9\u662f\u57fa\u672c\u6240\u6709\u7684\u5de5\u5177\u4f7f\u7528\u90fd\u4f9d\u8d56\u4e8e\u5bfc\u5165\u7684\u5f62\u5f0f\u53bb\u6269\u5c55\uff0cflask\u53ea\u4fdd\u7559\u4e86web\u5f00\u53d1\u7684\u6838\u5fc3\u529f\u80fd\u3002<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/03-01-\u6269\u5c55\u63d2\u4ef6-1.jpg'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/03-01-\u6269\u5c55\u63d2\u4ef6-1.jpg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<p><em>WSGI\uff08web\u670d\u52a1\u5668\u7f51\u5173\u63a5\u53e3\uff09\u662fpython\u4e2d\u7528\u6765\u89c4\u5b9aweb\u670d\u52a1\u5668\u5982\u4f55\u4e0epython Web\u670d\u52a1\u5668\u5982\u4f55\u4e0ePython Web\u7a0b\u5e8f\u8fdb\u884c\u6c9f\u901a\u7684\u6807\u51c6\uff0c\u672c\u8d28\u4e0a\u5c31\u662f\u4e00\u4e2asocket\u670d\u52a1\u7aef\u3002\u800c Werkzeug\u6a21\u5757 \u5c31\u662fWSGI\u4e00\u4e2a\u5177\u4f53\u7684\u5b9e\u73b0<\/em><\/p>\n<p><strong>\u5173\u952e\u8bcd<\/strong>\uff1a\u4e00\u4e2aPython\u7f16\u5199\u5faeweb\u6846\u67b6   \u4e00\u4e2a\u6838\u5fc3\u4e24\u4e2a\u5e93( Jinja2 \u6a21\u677f\u5f15\u64ce \u548c WSGI\u5de5\u5177\u96c6)<\/p>\n<h2>2 \u4e3a\u4ec0\u4e48\u8981\u6709flask?<\/h2>\n<p>flask\u6027\u80fd\u4e0a\u57fa\u672c\u6ee1\u8db3\u4e00\u822cweb\u5f00\u53d1\u7684\u9700\u6c42, \u5e76\u4e14\u7075\u6d3b\u6027\u4ee5\u53ca\u53ef\u6269\u5c55\u6027\u4e0a\u8981\u4f18\u4e8e\u5176\u4ed6web\u6846\u67b6, \u5bf9\u5404\u79cd\u6570\u636e\u5e93\u7684\u5951\u5408\u5ea6\u90fd\u975e\u5e38\u9ad8<\/p>\n<p><strong>\u5173\u952e\u8bcd<\/strong>\uff1a1. \u6027\u80fd\u57fa\u672c\u6ee1\u8db3\u9700\u6c42   2 .\u7075\u6d3b\u6027\u53ef\u62d3\u5c55\u6027\u5f3a  3. \u5bf9\u5404\u79cd\u6570\u636e\u5e93\u7684\u5951\u5408\u5ea6\u90fd\u6bd4\u8f83\u9ad8\u3002<\/p>\n<p>\u200b       4.\u5728\u771f\u5b9e\u7684\u751f\u4ea7\u73af\u5883\u4e0b\uff0c\u5c0f\u9879\u76ee\u5f00\u53d1\u5feb\uff0c\u5927\u9879\u76ee\u8bbe\u8ba1\u7075\u6d3b<\/p>\n<p>\u63d2\u56fe\uff1a\u6076\u641e\u56fe02<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/\u6076\u641e\u56fe02-15.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/\u6076\u641e\u56fe02-15.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<h2>3 \u5b66\u524d\u51c6\u5907\uff1a\u865a\u62df\u73af\u5883<\/h2>\n<h3>3.1 \u865a\u62df\u73af\u5883\u662f\u4ec0\u4e48?<\/h3>\n<p>\u865a\u62df\u73af\u5883\u662f\u9694\u79bb\u7684Python\u89e3\u91ca\u5668\u73af\u5883\u3002\u901a\u8fc7\u521b\u5efa\u865a\u62df\u73af\u5883\uff0c\u4f60\u53ef\u4ee5\u62e5\u6709\u4e00\u4e2a\u72ec\u7acb\u7684Python\u89e3\u91ca\u5668\u73af\u5883\uff0c\u76f8\u5f53\u4e8e\u5bf9\u5168\u5c40\u7684python\u89e3\u91ca\u5668\u73af\u5883\u62f7\u8d1d\u4e00\u4efd\u79c1\u6709\u7684\u526f\u672c\uff0c \u8fd9\u6837\u505a\u7684\u597d\u5904\u662f\u53ef\u4ee5\u4e3a\u6bcf\u4e00\u4e2a\u9879\u76ee\u521b\u5efa\u72ec\u7acb\u7684Python\u89e3\u91ca\u5668\u73af\u5883\uff0c\u56e0\u4e3a\u4e0d\u540c\u7684\u9879\u76ee\u5e38\u5e38\u4f1a\u4f9d\u8d56\u4e0d\u540c\u7248\u672c\u7684\u5e93\u6216Python\u7248\u672c\u3002\u4f7f\u7528\u865a\u62df\u73af\u5883\u53ef\u4ee5\u4fdd\u6301\u5168\u5c40Python\u89e3\u91ca\u5668\u73af\u5883\u7684\u5e72\u51c0\uff0c\u907f\u514d\u5305\u548c\u7248\u672c\u7684\u6df7\u4e71\uff0c\u5e76\u4e14\u53ef\u4ee5\u65b9\u4fbf\u5730\u533a\u5206\u548c\u8bb0\u5f55\u6bcf\u4e2a\u9879\u76ee\u7684\u4f9d\u8d56\uff0c\u6240\u8c13\u73af\u5883\u8ffd\u6839\u6eaf\u6e90\u4e5f\u662f\u6587\u4ef6\uff0c\u65e2\u7136\u662f\u6587\u4ef6\u5c31\u652f\u6301\u62f7\u8d1d\u5230\u5404\u4e2a\u5e73\u53f0\u4e0a\uff0c\u6240\u4ee5\u540c\u65f6\u63d0\u9ad8\u4e86\u53ef\u79fb\u690d\u6027\uff0c\u4ee5\u4fbf\u5728\u65b0\u73af\u5883\u4e0b\u590d\u73b0\u4f9d\u8d56\u73af\u5883\u3002<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/03-02-\u865a\u62df\u73af\u5883-1.jpg'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/03-02-\u865a\u62df\u73af\u5883-1.jpg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<p>\u4e3e\u4f8b\u8bf4\u660e\uff1a<\/p>\n<p>\u4f8b1\uff1a\u5982\u679c\u4f60\u540c\u65f6\u6709\u5f88\u591a\u4e2a\u9879\u76ee\uff0c\u6709\u4e00\u4e2a\u722c\u866b\u9879\u76ee\uff0c\u6709\u4e00\u4e2aFlask\u9879\u76ee\uff0c\u6709\u4e00\u4e2aDjango\u9879\u76ee\u653e\u5728\u4e00\u4e2a\u73af\u5883\u4e0b\uff0c\u90a3\u4e48\u7ba1\u7406\u76f8\u5173\u7684\u7b2c\u4e09\u65b9\u5e93\u96be\u514d\u6df7\u4e71\u3002<\/p>\n<p>\u4f8b2\uff1a\u5982\u679c\u4f60\u6709\u4e24\u4e2aFlask\u9879\u76ee\uff0c\u4f46\u662f\u4e24\u4e2a\u9879\u76eeflask\u7248\u672c\u4e0d\u4e00\u81f4\uff0c\u4f1a\u51fa\u73b0\u7248\u672c\u51b2\u7a81\u95ee\u9898<\/p>\n<p><strong>\u5173\u952e\u8bcd<\/strong>\uff1a1\u3001Python\u89e3\u91ca\u5668\u7684\u4e00\u4e2a\u79c1\u6709\u526f\u672c  2\u3001\u89e3\u51b3\u4e86\u5305\u7ba1\u7406\u6df7\u4e71\u3001\u7248\u672c\u51b2\u7a81\u3001\u63d0\u9ad8\u4e86\u79fb\u690d\u6027   <\/p>\n<h3>3.2 \u5982\u4f55\u4f7f\u7528\u865a\u62df\u73af\u5883\uff1f<\/h3>\n<h4>3.2.1 \u642d\u5efa\u865a\u62df\u73af\u5883<\/h4>\n<p>windows\u7684\u5f00\u53d1\u73af\u5883\u7684\u5b89\u88c5\u8fc7\u7a0b\uff0c\u6211\u4eec\u4f7f\u7528\u7684\u662fvirtualenv\u865a\u62df\u5f00\u53d1\u73af\u5883\uff0c\u9996\u5148\u5b89\u88c5\u76f8\u5173\u5305\u7684\u4f9d\u8d56<\/p>\n<pre><code>pip install virtualenvwrapper-win<\/code><\/pre>\n<p>\u5229\u7528\u5b89\u88c5\u597d\u7684\u6a21\u5757\u6211\u4eec\u521b\u5efa\u4e00\u4e2a\u865a\u62df\u73af\u5883<\/p>\n<p><em>##\u6ce8\u610f\uff1a\u8fd9\u4e2a\u2018\u2019first_01_env\u2018\u2019 \u662f\u6211\u4eec\u81ea\u5df1\u7ed9\u865a\u62df\u73af\u5883\u53d6\u7684\u540d\u5b57\uff0c\u5e76\u4e14\u8981\u8bb0\u5f55\u4e00\u4e0b\u56fe\uff081\uff09\u7684\u5b89\u88c5\u8def\u5f84\uff0c\u4e00\u4f1a\u6211\u4eec\u9700\u8981\u4f7f\u7528\u3002<\/em><\/p>\n<pre><code>mkvirtualenv first_01_env  <\/code><\/pre>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/01_\u865a\u62df\u73af\u5883\u5b89\u88c5\u8def\u5f84-1.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/01_\u865a\u62df\u73af\u5883\u5b89\u88c5\u8def\u5f84-1.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<p><strong>\u865a\u62df\u73af\u5883\u5176\u4ed6\u76f8\u5173\u547d\u4ee4<\/strong>\uff1a<br \/>\n01\u3001\u5207\u6362\u5230\u6307\u5b9a\u7684\u865a\u62df\u73af\u5883:\u6ce8\u610f\u6211\u4eec\u8fdb\u5165\u865a\u62df\u73af\u5883\u662f\u9700\u8981\u7528workon\u547d\u4ee4\uff0c\u4f46\u662f\u9996\u6b21\u5b89\u88c5\u6210\u529f\u4f1a\u81ea\u52a8\u8fdb\u5165\u865a\u62df\u73af\u5883\u3002<\/p>\n<pre><code>workon first_01_env<\/code><\/pre>\n<p>02\u3001\u9000\u51fa\u865a\u62df\u73af\u5883<\/p>\n<pre><code>deactivate<\/code><\/pre>\n<p>03\u3001\u5220\u9664\u6307\u5b9a\u7684\u865a\u62df\u73af\u5883<\/p>\n<pre><code>rmvirtaulenv first_01_env<\/code><\/pre>\n<p>04\u3001\u5217\u51fa\u6240\u6709\u865a\u62df\u73af\u5883\uff1a<\/p>\n<pre><code>lsvirtualenv<\/code><\/pre>\n<p>05\u3001\u8fdb\u5165\u5230\u865a\u62df\u73af\u5883\u6240\u5728\u7684\u76ee\u5f55\uff1a<\/p>\n<pre><code>cdvirtualenv<\/code><\/pre>\n<h4>3.2.1 \u5728\u865a\u62df\u73af\u5883\u4e2d\u5b89\u88c5\u6211\u4eec\u7684Flask\u6a21\u5757<\/h4>\n<pre><code>pip install flask<\/code><\/pre>\n<pre><code>Collecting flask\n...\nSuccessfully installed Jinja2-2.10 MarkupSafe-1.1.0 Werkzeug-0.14.1 click-7.0 flask-1.0.2 itsdangerous-1.1.0<\/code><\/pre>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/03-03-\u4f9d\u8d56-1.jpg'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/03-03-\u4f9d\u8d56-1.jpg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<p>\u4ece\u4e0a\u9762\u6210\u529f\u5b89\u88c5\u7684\u8f93\u51fa\u5185\u5bb9\u53ef\u4ee5\u770b\u51fa\uff0c\u9664\u4e86Flask\u5305\u5916\uff0c\u540c\u65f6\u88ab\u5b89\u88c5\u7684\u8fd8\u67095\u4e2a\u4f9d\u8d56\u5305\uff0c\u5b83\u4eec\u7684\u4e3b\u8981\u4ecb\u7ecd\u5982\u8868\uff081-1\uff09\u6240\u793a\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u5305\u540d\u53ca\u7248\u672c<\/th>\n<th>\u529f\u80fd<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Jinja2-2.10<\/td>\n<td>\u6e32\u67d3\u6a21\u677f\u5f15\u64ce\u5de5\u5177\u96c6<\/td>\n<\/tr>\n<tr>\n<td>MarkupSafe-1.1.0<\/td>\n<td>\u53ef\u4ee5\u8bc6\u522bHTML\u8f6c\u4e49\u89c4\u5219\u3002HTML\u5b57\u7b26\u8f6c\u4e49\u5de5\u5177\u96c6<\/td>\n<\/tr>\n<tr>\n<td>Werkzeug-0.14.1<\/td>\n<td>Web \u6846\u67b6\u7684\u5e95\u5c42\u5e93\uff0c\u63d0\u4f9b\u4e86\u8bf7\u6c42\u53ca\u54cd\u5e94\u4ee5\u53ca\u5f00\u53d1\u670d\u52a1\u5668\u7684\u529f\u80fd\uff0c\u7b80\u79f0WSGI\u5de5\u5177\u96c6<\/td>\n<\/tr>\n<tr>\n<td>click-7.0<\/td>\n<td>\u547d\u4ee4\u884c\u5de5\u5177\u96c6<\/td>\n<\/tr>\n<tr>\n<td>itsdangerous-1.1.0<\/td>\n<td>\u52a0\u5bc6\u5de5\u5177\u96c6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u8868\uff081-1\uff09<\/p>\n<p>\u9996\u5148\u5bf9\u8fd95\u4e2a\u5e93\u5148\u6709\u4e00\u4e2a\u5370\u8c61\uff0c\u63a5\u4e0b\u6765\u4f1a\u5728\u5177\u4f53\u7684\u5b9e\u9645\u5e94\u7528\u4e2d\u5e94\u7528\u8fd9\u4e9b\u5e93\u3002<\/p>\n<p><em>\u2714\u63d0\u793a\uff1a\u8fd9\u4e9b\u5e93\u5747\u7531Flask\u56e2\u961f\u5f00\u53d1<\/em><\/p>\n<p>\u63d2\u56fe\uff1a\u6076\u641e\u56fe06<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/\u6076\u641e\u56fe06-8.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/\u6076\u641e\u56fe06-8.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<h2>4  \u5f00\u59cb\u6211\u4eec\u7684\u7b2c\u4e00\u4e2aFlask\u7a0b\u5e8f<\/h2>\n<p>\u8fd9\u91cc\u6211\u4eec\u4f7f\u7528<strong><em>pycharm<\/em><\/strong>\u7f16\u8f91\u5668\u6765\u5b66\u4e60<strong><em>Flask<\/em><\/strong>\uff0cpycharm\u7684\u5b89\u88c5\u6211\u4eec\u5c31\u4e0d\u91cd\u590d\u4e86\u3002<\/p>\n<h3>4.1 \u521b\u5efa\u4e00\u4e2aFlask\u7a0b\u5e8f<\/h3>\n<p>\u5177\u4f53\u64cd\u4f5c\u5982\u56fe(a)&#8211;\u56fe(d)<\/p>\n<p><strong>\u7b2c\u4e00\u6b65<\/strong><\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/02_\u65b0\u5efa\u9879\u76ee-1.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/02_\u65b0\u5efa\u9879\u76ee-1.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<p>\u56fe\uff08a\uff09<\/p>\n<p><strong>\u7b2c\u4e8c\u6b65<\/strong><\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/03_\u9009\u62e9\u5df2\u7ecf\u5b58\u5728\u7684\u73af\u5883-1.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/03_\u9009\u62e9\u5df2\u7ecf\u5b58\u5728\u7684\u73af\u5883-1.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<p>\u56fe\uff08b\uff09<\/p>\n<p><strong>\u7b2c\u4e09\u6b65<\/strong><\/p>\n<p><em>\uff01\u6ce8\u610f \u5982\u679c\u627e\u4e0d\u5230\u865a\u62df\u73af\u5883\u8def\u5f84\u53ef\u4ee5\u53c2\u8003\u865a\u62df\u73af\u5883\u5176\u4ed6\u547d\u4ee4<\/em><\/p>\n<pre><code>lsvirtualenv         # \u5217\u51fa\u6240\u6709\u7684\u865a\u62df\u73af\u5883\nworkon first_01_env  # \u5207\u6362\u5230\u6307\u5b9a\u7684\u865a\u62df\u73af\u5883\ncdvirtualenv         # \u5207\u6362\u5230\u6307\u5b9a\u7684\u865a\u62df\u73af\u5883\u8def\u5f84 \u8be5\u76ee\u5f55\u5c31\u662f\u6211\u4eec\u6240\u8981\u7684\u8def\u5f84<\/code><\/pre>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/04_\u9009\u62e9\u865a\u62df\u73af\u5883-1.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/04_\u9009\u62e9\u865a\u62df\u73af\u5883-1.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<p>\u200b               \u56fe\uff08c\uff09<\/p>\n<p><strong>\u7b2c\u56db\u6b65<\/strong><\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/05_\u914d\u7f6e\u597d\u540e\u521b\u5efa\u9879\u76ee-1.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/05_\u914d\u7f6e\u597d\u540e\u521b\u5efa\u9879\u76ee-1.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<p>\u56fe\uff08d\uff09<\/p>\n<p>\u63d2\u56fe\uff1a\u6076\u641e\u56fe07<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/\u6076\u641e\u56fe03-15.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/\u6076\u641e\u56fe03-15.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<h3>4.2 \u89e3\u8bfbFlask\u7a0b\u5e8f<\/h3>\n<h4><strong>4.2.1 \u9879\u76ee\u76ee\u5f55\u8be6\u89e3<\/strong>\uff1a<\/h4>\n<p>\u200b   \u201c<strong>static\u6587\u4ef6\u5939<\/strong>\u201d\u7528\u4e8e\u5b58\u653e\u5404\u79cd\u9759\u6001\u6587\u4ef6 css\u3001js\u3001\u56fe\u7247\u7b49\u7b49<\/p>\n<p>\u200b   \u201c<strong>templates\u6587\u4ef6\u5939<\/strong>\u201d\u7528\u4e8e\u5b58\u653ehtml\u6a21\u677f\u6587\u4ef6<\/p>\n<p>\u200b   \u201c<strong>app.py<\/strong>\u201d\u4e3a\u6211\u4eec\u7684\u4e3b\u6587\u4ef6 \uff0c\u542f\u52a8\u9879\u76ee\u9700\u8981\u542f\u52a8\u8be5\u6587\u4ef6<\/p>\n<p>\u200b       <em>\u6ce8\u610f app.py  \u6587\u4ef6\u7684\u540d\u5b57\u6211\u4eec\u53ef\u4ee5\u81ea\u7531\u547d\u540d\uff0c\u4f46\u662f\u9664\u4e86flask.py \u8fd9\u79cd\u548cFlask\u5e93\u76f8\u51b2\u7a81\u7684\u540d\u5b57<\/em><\/p>\n<p>\u4e3b\u6587\u4ef6app.py\u6587\u4ef6\u4ee3\u7801<\/p>\n<pre><code class=\"language-python\">from flask import Flask\n\napp = Flask(__name__)\n\n@app.route(&#039;\/&#039;)\ndef hello_world():\n    return &#039;Hello World!&#039;\n\nif __name__ == &#039;__main__&#039;:\n    app.run()\n<\/code><\/pre>\n<h4><strong>4.2.2 \u4ee3\u7801\u62c6\u5206\u4e3a\u4e09\u90e8\u5206<\/strong> \uff1a<\/h4>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/03-04-\u4e09\u90e8\u5206-1.jpg'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/03-04-\u4e09\u90e8\u5206-1.jpg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<p><strong>\u7b2c\u4e00\u90e8\u5206<\/strong><\/p>\n<pre><code class=\"language-python\">from flask import Flask\n\napp = Flask(__name__)<\/code><\/pre>\n<p>\u5bfc\u5165\u6211\u4eec\u5b89\u88c5\u597d\u7684flask\u5305\uff0c\u901a\u8fc7flask\u5305\u5bfc\u5165Flask\u7c7b\uff0cFlask\u7c7b\u5373\u4e3aFlask\u7684\u6838\u5fc3\uff0c\u5b9e\u4f8b\u5316\u8fd9\u4e2aFlask\u7c7b\u7684\u5230\u4e00\u4e2a\u5b9e\u4f8b\u5316\u5bf9\u8c61app\u3002<\/p>\n<p><code>__name__<\/code>\u8fd9\u4e2a\u7279\u6b8a\u7684\u53c2\u6570\uff1aPython\u4f1a\u6839\u636e\u6240\u5904\u7684\u6a21\u5757\u6765\u8d4b\u4e88<code>__name__<\/code>\u53d8\u91cf\u76f8\u5e94\u7684\u503c\uff0c\u5bf9\u4e8e\u6211\u4eec\u7684\u7a0b\u5e8f\u6765\u8bf4\uff08app.py\uff09\uff0c\u8fd9\u4e2a\u503c\u4e3aapp\u3002<\/p>\n<pre><code class=\"language-python\">@app.route(&#039;\/&#039;)\ndef hello_world():\n    return &#039;Hello World!&#039;<\/code><\/pre>\n<p>\u5982\u679c\u6709\u8fc7\u5bf9\u5176\u4ed6web\u6846\u67b6\u7684\u4e86\u89e3\uff0c\u76f8\u4fe1\u770b\u89c1\u8fd9\u4e2a\u5df2\u7ecf\u770b\u51fa\u4e86\u4e00\u4e9b\u95e8\u9053\u3002\u6ca1\u9519\u8fd9\u4e2a <code>@app.route(&#039;\/&#039;)<\/code>\u5c31\u662f\u7528\u6765\u5339\u914durl\u7684\uff0c\u5728\u6211\u4eec\u7684flask\u91cc\u9762\u662f\u4ee5\u88c5\u9970\u5668\u6765\u5b9e\u73b0\u7684\uff0c\u88c5\u9970\u5668\u5f15\u7528\u7684\u4e5f\u662f\u6211\u4eec\u4e0a\u9762\u5b9e\u4f8b\u5316\u6838\u5fc3\u7c7b\u51fa\u6765\u7684\u5bf9\u8c61\u3002<\/p>\n<p>\u90a3\u4e48\u5982\u679c\u8def\u7531\u4e0b\u9762\u8ddf\u7684\u51fd\u6570\u4ec0\u4e48\u5462 \uff1f\u6ca1\u9519\u5c31\u662f\u6211\u4eec\u7684\u89c6\u56fe\u51fd\u6570\uff0c\u5982\u679c\u5339\u914d\u5230\u4e86\u8def\u7531\u5c31\u4f1a\u89e6\u53d1\u6211\u4eec\u7684\u89c6\u56fe\u51fd\u6570\u6267\u884c\uff0c\u5e76\u4e14return\u56de\u5177\u4f53\u7684\u6570\u636e\u7ed9\u524d\u7aef\u6216\u8005\u79fb\u52a8\u7aef\u3002<\/p>\n<p>\u4e0d\u662f\u5f88\u7406\u89e3\u6ca1\u5173\u7cfb\uff0c\u6211\u4eec\u5148\u5927\u6982\u6709\u4e2a\u5370\u8c61\uff0c\u4f1a\u5728\u63a5\u4e0b\u6765\u7684\u7ae0\u8282\u8be6\u7ec6\u8bb2\u89e3\u8def\u7531\u4ee5\u53ca\u89c6\u56fe\u51fd\u6570\u7684\u4f7f\u7528<\/p>\n<p><strong>\u7b2c\u4e09\u90e8\u5206<\/strong><\/p>\n<pre><code class=\"language-python\">if __name__ == &#039;__main__&#039;:\n    app.run()   <\/code><\/pre>\n<p>\u5148\u4e0d\u7ba1\u903b\u8f91\u5224\u65ad\uff0c\u5148\u770b <code>app.run()<\/code>\uff0c <code>app.run()<\/code>\u6e90\u7801\u5982\u4e0b\u53bb\u9605\u8bfb\u6e90\u7801\u4e0d\u96be\u53d1\u73b0\uff0c\u5728\u5185\u90e8\u5b9a\u4e49\u4e86\u9ed8\u8ba4\u7684 ip+\u7aef\u53e3\u4e3a127.0.0.1:5000\uff0c\u5e76\u4e14\u8c03\u7528\u4e86werkzeug.serving\u4e3a\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u5f00\u53d1\u670d\u52a1\u5668\uff08\u7531\u4f9d\u8d56\u5305Werkzeug\u63d0\u4f9b\uff09\uff0c\u5bf9\u5957\u63a5\u5b57\u6709\u4e00\u5b9a\u4e86\u89e3\u7684\u670b\u53cb\uff0c\u5176\u5185\u90e8\u5c31\u662f\u505a\u4e86\u4e00\u4e2a\u5faa\u73af\u76d1\u542c\u7684\u529f\u80fd\u4ee5\u4fbf\u4ea4\u4e92.<\/p>\n<p>\u5173\u952e\u8bcd\uff1a<code>app.run()<\/code>\u5b9e\u73b0\u4e86<code>flask<\/code>\u7a0b\u5e8f\u5728\u5f00\u53d1\u73af\u5883\u4e0b\u8fd0\u884c\u8d77\u6765,\u5e76\u4e14\u9ed8\u8ba4ip\u548c\u7aef\u53e3\u662f<code>127.0.0.1:5000<\/code>\u3002<\/p>\n<pre><code class=\"language-python\">    def run(self, host=None, port=None, debug=None,\n            load_dotenv=True, **options):\n\n         ...\n\n         _host =&#039;127.0.0.1&#039;\n         _port = 5000\n\n         ...\n\n         host = host or sn_host or _host\n         port = int(port or sn_port or _port)\n\n         ...\n\n         from werkzeug.serving import run_simple\n\n            try:\n                run_simple(host, port, self, **options)\n            finally:\n                # reset the first request information if the development server\n                # reset normally.  This makes it possible to restart the server\n                # without reloader and that stuff from an interactive shell.\n                self._got_first_request = False<\/code><\/pre>\n<p>\u5728\u7b2c\u4e09\u90e8\u5206\u4e2d\u8fd8\u6709\u4e00\u4e2a<code>if<\/code>\u5224\u65ad\uff0c\u90a3\u4e48\u8fd9\u4e2a\u5224\u65ad\u7684\u4f5c\u7528\u662f\u4ec0\u4e48\u5462\uff0c\u6709python\u57fa\u7840\u7684\u670b\u53cb\u5bf9\u8fd9\u4e2a\u5199\u6cd5\u5927\u6982\u4e0d\u964c\u751f\uff0c<code>if<\/code>\u903b\u8f91\u5224\u65ad\u65f6\u53ea\u6709\u672c\u6587\u4ef6\u4e3a\u6267\u884c\u6587\u4ef6\u7684\u65f6\u5019\u624d\u4f1a\u6267\u884c\uff0c\u4e3a\u4ec0\u4e48\u8981\u8fd9\u4e48\u8bbe\u8ba1\u5462\uff1f\u56e0\u4e3a\u5728\u5f00\u53d1\u73af\u5883\u6211\u4eec\u662f\u4ee5app.py\u4f5c\u4e3a\u6267\u884c\u6587\u4ef6\uff0c\u4f46\u662f\u5728\u771f\u5b9e\u7684\u751f\u4ea7\u73af\u5883\u4e0b \uff0c\u6b64\u6587\u4ef6\u4f1a\u4f5c\u4e3a\u88ab\u8c03\u7528\u7684\u6587\u4ef6\uff0c\u5e76\u4e14\u771f\u5b9e\u7684\u751f\u6210\u73af\u5883\u4e0d\u4f1a\u7528\u5230<code>app.run()\u505a\u76d1\u542c\u5206\u914d<\/code>, \u539f\u56e0\u662f\u6027\u80fd\u592a\u4f4e\u4e86\uff0c<\/p>\n<p>\u5173\u952e\u8bcd\uff1a\u4fdd\u8bc1\u4e86app.run()\u53ea\u7528\u4e8e\u5f00\u53d1\u73af\u5883\uff0c\u5e76\u4e14\u4e0d\u5f71\u54cd\u771f\u5b9e\u7684\u751f\u4ea7\u73af\u5883\u3002<\/p>\n<p><strong>\u4e09\u90e8\u5206\u4e32\u8bb2<\/strong><\/p>\n<p>\u5bfc\u5165Flask\u7684\u6838\u5fc3\u7c7b\u5b9e\u4f8b\u5316\u5bf9\u8c61app\uff0c\u7136\u540eapp\u4f5c\u4e3a\u88c5\u9970\u5668\u4f7f\u7528\u5339\u914durl\u5206\u53d1\u7ed9\u4e0b\u9762\u7684\u89c6\u56fe\u51fd\u6570\uff0c\u7136\u540e\u6267\u884c\u8be5\u9875\u9762\u4f1a\u89e6\u53d1app\u8c03\u7528run()\u65b9\u6cd5\u8fd0\u884c\u8d77\u6765\u6574\u4e2a\u9879\u76ee\u3002<\/p>\n<p>\u63d2\u56fe\uff1a\u6076\u641e\u56fe04<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/\u6076\u641e\u56fe04-9.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/\u6076\u641e\u56fe04-9.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<h5>4.2.2.1 Werkzeug\u7b80\u4ecb<\/h5>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/03-05-\u5de5\u5177\u5305-1.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/03-05-\u5de5\u5177\u5305-1.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<p>Werkzeug\u662f\u4e00\u4e2aWSGI\u5de5\u5177\u5305\uff0c\u4ed6\u53ef\u4ee5\u4f5c\u4e3a\u4e00\u4e2aWeb\u6846\u67b6\u7684\u5e95\u5c42\u5e93\u3002\u8fd9\u91cc\u7a0d\u5fae\u8bf4\u4e00\u4e0b\uff0c werkzeug \u4e0d\u662f\u4e00\u4e2aweb\u670d\u52a1\u5668\uff0c\u4e5f\u4e0d\u662f\u4e00\u4e2aweb\u6846\u67b6\uff0c\u800c\u662f\u4e00\u4e2a\u5de5\u5177\u5305\uff0c\u5b98\u65b9\u7684\u4ecb\u7ecd\u8bf4\u662f\u4e00\u4e2a WSGI \u5de5\u5177\u5305\uff0c\u5b83\u53ef\u4ee5\u4f5c\u4e3a\u4e00\u4e2a Web \u6846\u67b6\u7684\u5e95\u5c42\u5e93\uff0c\u56e0\u4e3a\u5b83\u5c01\u88c5\u597d\u4e86\u5f88\u591a Web \u6846\u67b6\u7684\u4e1c\u897f\uff0c\u4f8b\u5982 Request\uff0cResponse \u7b49\u7b49 \u3002<\/p>\n<p>\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n<pre><code class=\"language-python\">from werkzeug.wrappers import Request, Response\n\n@Request.application\ndef hello(request):\n    return Response(&#039;Hello World!&#039;)\n\nif __name__ == &#039;__main__&#039;:\n    from werkzeug.serving import run_simple\n    run_simple(&#039;localhost&#039;, 4000, hello)<\/code><\/pre>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/1552027771957-1.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/1552027771957-1.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<p><strong>\u4e86\u89e3<\/strong><\/p>\n<p>\u770b\u5230\u4e86\u8fd9\u4e2awekzeug\u662f\u4e0d\u662f\u7279\u522b\u50cf\u6211\u4eec\u7684flask\u4ee3\u7801\uff0c\u6ca1\u9519\u6211\u4eec\u7684flask\u6b63\u662f\u4f9d\u8d56\u4e8e\u8fd9\u4e2awerkzeug\u6a21\u5757\uff0c\u7531wekzeug\u6a21\u5757\u5b9e\u73b0\u4e86socket\u670d\u52a1\u7aef\u7684\u529f\u80fd\uff0chello\u5fc5\u7136\u662f\u52a0\u62ec\u53f7\u8fd0\u884c\u4e86\uff0c\u624d\u4f1a\u6267\u884chello\u91cc\u9762\u7684\u4ee3\u7801\uff0c\u800c\u5728\u6211\u4eec\u7684flask\u4e2dapp.run()\u4f1a\u8c03\u7528<code>run_simple(host, port, self, **options)<\/code>\u628a\u4e0a\u9762\u4ee3\u7801\u4f8b\u5b50\u7684hello\u66ff\u6362\u6210\u4e86self\u4e5f\u5c31\u662fapp\u3002app()\u4f1a\u89e6\u53d1Flask\u7c7b\u7684<code>__call__<\/code>\u65b9\u6cd5\u3002<\/p>\n<p>\u6240\u4ee5\u6240flask\u7a0b\u5e8f\u7684\u5165\u53e3\u5c31\u5728<code>__call__<\/code>\u65b9\u6cd5\u4e2d\uff0c\u800c<code>__call__<\/code>\u65b9\u6cd5\u8fd4\u56de<code>self.wsgi_app(environ, start_response)<\/code>\uff0c\u6240\u4ee5\u6574\u4e2a\u7a0b\u5e8f\u7684\u6267\u884c\u8fc7\u7a0b\u90fd\u5728 <code>self.wsgi_app(environ, start_response)<\/code>\u4e2d.<\/p>\n<p>\u5c0f\u8282\uff1a<\/p>\n<pre><code class=\"language-python\">1 app.run() \u8c03\u7528 werkzeug.serving\u7684run_simple(host, port, self, **options)<\/code><\/pre>\n<pre><code class=\"language-python\">2 self()\u7b49\u4ef7\u4e8eapp(), app()\u8c03\u7528Flask\u7c7b\u7684__call__\u65b9\u6cd5<\/code><\/pre>\n<pre><code class=\"language-python\">3 Flask\u7c7b\u7684__call__\u65b9\u6cd5\u8fd4\u56de\u4e86 self.wsgi_app(environ, start_response)<\/code><\/pre>\n<pre><code class=\"language-python\">4 flask\u7a0b\u5e8f\u7684\u6267\u884c\u8fc7\u7a0b\u90fd\u5728 self.wsgi_app(environ, start_response)\u4e2d<\/code><\/pre>\n<p>\u5177\u4f53\u4ee3\u7801\uff1a<\/p>\n<pre><code class=\"language-python\">def run(self, host=None, port=None, debug=None,\n            load_dotenv=True, **options):\n\n         ...\n\n         _host =&#039;127.0.0.1&#039;\n         _port = 5000\n\n         ...\n\n         host = host or sn_host or _host\n         port = int(port or sn_port or _port)\n\n         ...\n\n         from werkzeug.serving import run_simple\n\n            try:\n                run_simple(host, port, self, **options)\n            finally:\n                # reset the first request information if the development server\n                # reset normally.  This makes it possible to restart the server\n                # without reloader and that stuff from an interactive shell.\n                self._got_first_request = False<\/code><\/pre>\n<pre><code class=\"language-python\">    ...\n\n    def __call__(self, environ, start_response):\n        &quot;&quot;&quot;The WSGI server calls the Flask application object as the\n        WSGI application. This calls :meth:`wsgi_app` which can be\n        wrapped to applying middleware.&quot;&quot;&quot;\n        return self.wsgi_app(environ, start_response)\n    ...\n\n    def wsgi_app(self, environ, start_response):\n\n        ctx = self.request_context(environ)\n        error = None\n        try:\n            try:\n                ctx.push()\n                response = self.full_dispatch_request()\n            except Exception as e:\n                error = e\n                response = self.handle_exception(e)\n            except:\n                error = sys.exc_info()[1]\n                raise\n            return response(environ, start_response)\n        finally:\n            if self.should_ignore_error(error):\n                error = None\n            ctx.auto_pop(error)\n   ...<\/code><\/pre>\n<p><strong>\u5173\u952e\u8bcd<\/strong>\uff1a<\/p>\n<ul>\n<li>Werkzeug\u662f\u4e00\u4e2aWSGI\u5de5\u5177\u5305\uff0c\u672c\u8d28\u4e0a\u662f\u4e00\u4e2asocket\u670d\u52a1\u7aef\u3002<\/li>\n<li>flask\u57fa\u4e8eWerkzeug,flask\u53ea\u4fdd\u7559\u4e86web\u5f00\u53d1\u7684\u6838\u5fc3\u529f\u80fd\u3002<\/li>\n<li>flask\u7684\u6267\u884c\u8fc7\u7a0b\u90fd\u5728<code>def wsgi_app(self, environ, start_response):<\/code>\u4e2d<\/li>\n<\/ul>\n<h4>4.2.3 \u8fd0\u884c\u9879\u76ee<\/h4>\n<p><strong>\u8fd0\u884c\u8d77\u6765\u6211\u4eec\u7684flask\u9879\u76ee\uff0c\u89c1\u56fe\uff082\uff09\uff0c\u4e5f\u53ef\u4ee5\u5728app.py\u76f4\u63a5\u53f3\u952erun\u542f\u52a8\u9879\u76ee<\/strong><\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/06_\u70b9\u51fb\u8fd0\u884c\u9879\u76ee-1.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/06_\u70b9\u51fb\u8fd0\u884c\u9879\u76ee-1.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<p>\u56fe\uff082\uff09<\/p>\n<p><strong>\u7136\u540e\u8bbf\u95eehttp:\/\/127.0.0.1:5000\/\u53ef\u4ee5\u89c1\u56fe\uff083\uff09<\/strong><\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/07_\u5728\u6d4f\u89c8\u5668\u8bbf\u95ee\u9879\u76ee-1.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/07_\u5728\u6d4f\u89c8\u5668\u8bbf\u95ee\u9879\u76ee-1.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<p>\u56fe\uff083\uff09<\/p>\n<p><strong>\uff01\u5f3a\u8c03\u4ee5\u540e\u6211\u4eec\u521b\u5efaflask\u9879\u76ee\u4e0d\u8981\u7528pycharm\u81ea\u5e26\u7684flask\u5feb\u6377\u65b9\u5f0f\u521b\u5efa\uff0c\u4e0a\u8fb9\u7684\u5feb\u6377\u521b\u5efa\u65b9\u5f0f\u662f\u4fbf\u4e8e\u8bb2\u89e3\u548c\u7406\u89e3\uff0c\u771f\u5b9e\u7684\u751f\u4ea7\u73af\u5883\u66f4\u63a8\u8350\u76f4\u63a5\u521b\u5efa\u4e00\u4e2a\u7a7a\u7684python\u9879\u76ee<\/strong><\/p>\n<p>\u63d2\u56fe\uff1a\u6076\u641e\u56fe05<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/\u6076\u641e\u56fe05-10.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/\u6076\u641e\u56fe05-10.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<h4>4.2.4 \u8be6\u89e3DEBUG\u6a21\u5f0f<\/h4>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/03-06-debug-1.jpg'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/03-06-debug-1.jpg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<h5><strong>4.3.4.1 DEBUG\u6a21\u5f0f\u89e3\u51b3\u4e86\u4e24\u4e2a\u95ee\u9898\u3002<\/strong><\/h5>\n<ol>\n<li>\n<p>flask\u4ee3\u7801\u4e2d\u5982\u679c\u51fa\u73b0\u4e86\u5f02\u5e38\uff0c\u6211\u4eec\u5728\u6d4f\u89c8\u5668\u4e2d\u4e0d\u4f1a\u63d0\u793a\u5177\u4f53\u7684\u9519\u8bef\u4fe1\u606f\uff0c\u5f00\u542fdebug\u6a21\u5f0f\u540e\u4f1a\u628a\u5177\u4f53\u7684\u9519\u8bef\u4fe1\u606f\u53d1\u9001\u5230\u6d4f\u89c8\u5668\u4e0a\u3002<\/p>\n<\/li>\n<li>\n<p>flask\u4ee3\u7801\u5982\u679c\u88ab\u4fee\u6539\u4e86\uff0c\u5fc5\u987b\u8981\u91cd\u542f\u9879\u76ee\u4fee\u6539\u7684\u4ee3\u7801\u624d\u4f1a\u6709\u6548\uff0c\u5f00\u542fdebug\u6a21\u5f0f\u540e\u6211\u4eec\u4fee\u6539\u4e86\u4ee3\u7801\u53ea\u8981<code>ctrl+s<\/code>\u6211\u4eec\u7684flask\u9879\u76ee\u5c31\u4f1a\u81ea\u52a8\u91cd\u65b0\u52a0\u8f7d\uff0c\u4e0d\u9700\u8981\u624b\u52a8\u52a0\u8f7d\u6574\u4e2a\u7f51\u7ad9\u3002<\/p>\n<p><strong>\u4f8b1\uff1a<\/strong><\/p>\n<p>\u6b64\u6848\u4f8b\u660e\u663e\u51fa\u73b0\u4e86\u4e00\u4e2a\u6570\u7ec4\u8d8a\u754c\u7684\u95ee\u9898<\/p>\n<pre><code class=\"language-python\">from flask import Flask\napp = Flask(__name__)\n\n@app.route('\/')\ndef hello():\n   a = [1,2,3,4]\n   print(a[4])\n\n   return \"hello\"\n\nif __name__ == '__main__':\n   app.run()<\/code><\/pre>\n<p>\u8bbf\u95ee\u5982\u56fe\uff084\uff09<\/p>\n<\/li>\n<\/ol>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/08_\u672a\u5f00\u542fdebug\u6a21\u5f0f\u7684\u62a5\u9519\u4fe1\u606f.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/08_\u672a\u5f00\u542fdebug\u6a21\u5f0f\u7684\u62a5\u9519\u4fe1\u606f.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<p>\u56fe\uff084\uff09<\/p>\n<p>\u5982\u56fe4\u53ea\u63d0\u793a\u4e86\u670d\u52a1\u5668\u5185\u90e8\u9519\u8bef\uff0c\u5e76\u6ca1\u6709\u63d0\u793a\u5177\u4f53\u7684\u9519\u8bef\u539f\u56e0<\/p>\n<p>\u597d\u6211\u4eec\u4e3aapp.run()\u6dfb\u52a0\u53c2\u6570\u6539\u5199\u4e3aapp.run(debug=True)<\/p>\n<pre><code class=\"language-python\">from flask import Flask\napp = Flask(__name__)\n\n@app.route(&#039;\/&#039;)\ndef hello():\n    a = [1,2,3,4]\n    print(a[4])\n\n    return &quot;hello&quot;\n\nif __name__ == &#039;__main__&#039;:\n    app.run(debug=True)<\/code><\/pre>\n<p>\u518d\u6b21\u8bbf\u95ee\u5982\u56fe\uff085\uff09<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/09_\u5f00\u542fdebug\u6a21\u5f0f\u7684\u62a5\u9519\u4fe1\u606f-1.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/09_\u5f00\u542fdebug\u6a21\u5f0f\u7684\u62a5\u9519\u4fe1\u606f-1.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<p>\u56fe\uff085\uff09<\/p>\n<p>\u6211\u4eec\u770b\u5230\u4e86\u5177\u4f53\u7684\u62a5\u9519\u4fe1\u606f IndexError: list index out of range<\/p>\n<p>\u5e76\u4e14\u6bcf\u6b21\u4fee\u6539\u4ee3\u7801\u7684\u65f6\u5019\u6309\u4e0b<code>ctrl+s<\/code>\u4fdd\u5b58\u4e00\u4e0b\u90fd\u4f1a\u81ea\u52a8\u91cd\u65b0\u52a0\u8f7dflask\u9879\u76ee\u4ee3\u7801\uff0c\u5728\u6b64\u5c31\u4e0d\u505a\u6f14\u793a\u4e86<\/p>\n<p><strong>!\u5f3a\u8c03\u4e0d\u8981\u7528\u5feb\u6377\u521b\u5efafalsk\u7684\u65b9\u5f0f\u521b\u5efa\u9879\u76ee\uff0c\u5c31\u50cf\u521b\u5efa\u4e00\u4e2a\u666e\u901a\u7684python\u9879\u76ee\u4e00\u6837\uff0c\u6216\u8005\u6253\u5f00\u4e00\u4e2a\u7a7a\u7684\u6587\u4ef6\u7684\u65b9\u5f0f\u521b\u5efa\uff0c\u5426\u5219debug=True\u4f1a\u65e0\u6548<\/strong><\/p>\n<h5><strong>4.2.4.2 \u56db\u79cd\u5f00\u542fDEBUG\u7684\u65b9\u5f0f<\/strong><\/h5>\n<p><strong>\u7b2c\u4e00\u79cd<\/strong><\/p>\n<pre><code class=\"language-python\">from flask import Flask\napp = Flask(__name__)\n\n@app.route(&#039;\/&#039;)\ndef hello():\n    a = [1,2,3,4]\n    print(a[4])\n    return &quot;hello&quot;\n\nif __name__ == &#039;__main__&#039;:\n    app.run(debug=True)  # \u8bbe\u7f6e<\/code><\/pre>\n<p><strong>\u7b2c\u4e8c\u79cd<\/strong><\/p>\n<pre><code class=\"language-python\">from flask import Flask\napp = Flask(__name__)\napp.debug = True  # \u8bbe\u7f6e\n\n@app.route(&#039;\/&#039;)\ndef hello():\n    a = [1,2,3,4]\n    print(a[4])\n    return &quot;hello&quot;\n\nif __name__ == &#039;__main__&#039;:\n    app.run()<\/code><\/pre>\n<p><strong>\u7b2c\u4e09\u79cd<\/strong><\/p>\n<pre><code class=\"language-python\">from flask import Flask\napp = Flask(__name__)\napp.config.update(DEBUG=True)  # \u8bbe\u7f6e\n\n@app.route(&#039;\/&#039;)\ndef hello():\n    a = [1,2,3,4]\n    print(a[4])\n    return &quot;hello&quot;\n\nif __name__ == &#039;__main__&#039;:\n    app.run()<\/code><\/pre>\n<p><strong>\u7b2c\u56db\u79cd<\/strong><\/p>\n<p>\u9700\u8981\u5728<code>app.py<\/code>\u6240\u5728\u7684\u76ee\u5f55\u91cc \u518d\u521b\u5efa\u4e00\u4e2a<code>config.py<\/code>\uff0c\u968f\u7740\u6211\u4eec\u7684\u5b66\u4e60\u4f1a\u8d8a\u6765\u8d8a\u591a\u7684\u7528\u5230\u8fd9\u4e2a\u914d\u7f6e\u6587\u4ef6\uff0c\u6765\u914d\u7f6e\u6211\u4eec\u7684<code>flask<\/code>\u9879\u76ee\uff0c\u6ce8\u610f\u914d\u7f6e\u7684\u4fe1\u606f\u4e00\u822c\u4e3a\u5927\u5199\u3002<\/p>\n<p><code>config.py<\/code><\/p>\n<pre><code class=\"language-python\">DEBUG = True<\/code><\/pre>\n<p><code>app.py<\/code>  <\/p>\n<pre><code class=\"language-python\">from flask import Flask\nimport config  # \u5bfc\u5165\napp = Flask(__name__)\n\napp.config.from_object(config)  # \u8bbe\u7f6e\n\n@app.route(&#039;\/&#039;)\ndef hello():\n    a = [1,2,3,4]\n    print(a[4])\n    return &quot;hello&quot;\n\nif __name__ == &#039;__main__&#039;:\n    app.run()<\/code><\/pre>\n<p><em>app.config \u672c\u8d28\u4e0a\u7ee7\u627f\u7684\u5b57\u5178\uff0c\u662f\u5b57\u5178\u7684\u5b50\u7c7b\u7684\u4e00\u4e2a\u5bf9\u8c61 \u5982\u56fe\uff086\uff09<\/em><\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/10_app.config\u7ee7\u627f\u4e86\u5b57\u5178\u7c7b-1.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/10_app.config\u7ee7\u627f\u4e86\u5b57\u5178\u7c7b-1.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<p>\u56fe\uff086\uff09<\/p>\n<h5>4.2.4.3 DEBUG\u7684PIN\u7801\u53ef\u4ee5\u5728\u6d4f\u89c8\u5668\u7aef\u8c03\u8bd5\u4ee3\u7801\u4f7f\u7528\uff08\u4e0d\u63a8\u8350\u4f7f\u7528\uff0c\u4e86\u89e3\u5c31\u53ef\u4ee5\uff09<\/h5>\n<pre><code>* Debugger PIN: 648-906-962<\/code><\/pre>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/11_app.config\u7ee7\u627f\u4e86\u5b57\u5178\u7c7b-1.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/11_app.config\u7ee7\u627f\u4e86\u5b57\u5178\u7c7b-1.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<p>\u56fe\uff087\uff09<\/p>\n<p><strong>\u53ef\u4ee5\u652f\u6301\u5728\u7f51\u9875\u7aef\u8c03\u8bd5<\/strong><\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/12_\u53ef\u4ee5\u5728\u7f51\u9875\u8c03\u8bd5\u4ee3\u7801-1.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/12_\u53ef\u4ee5\u5728\u7f51\u9875\u8c03\u8bd5\u4ee3\u7801-1.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<p>\u56fe\uff088\uff09<\/p>\n<p>\u63d2\u56fe\uff1a\u6076\u641e\u56fe07<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/\u6076\u641e\u56fe07-4.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/\u6076\u641e\u56fe07-4.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"<p>01-\u521d\u8bc6flask 1 \u4ec0\u4e48\u662fflask? Flask \u672c\u662f\u4f5c\u8005 Armin Ronacher\u57282010\u5e744 [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":2472,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[265],"tags":[273],"_links":{"self":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/2007"}],"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=2007"}],"version-history":[{"count":0,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/2007\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/media\/2472"}],"wp:attachment":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2007"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2007"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2007"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}