{"id":19989,"date":"2025-04-19T02:36:50","date_gmt":"2025-04-18T18:36:50","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/19989.html"},"modified":"2025-04-19T02:36:50","modified_gmt":"2025-04-18T18:36:50","slug":"%e4%bd%bf%e7%94%a8-flask-%e8%bf%9b%e8%a1%8c%e7%ae%80%e5%8d%95%e6%9c%8d%e5%8a%a1%e5%99%a8%e6%94%b9%e9%80%a0%e7%9a%84%e8%af%a6%e7%bb%86%e6%ad%a5%e9%aa%a4%e5%92%8c%e4%bb%a3%e7%a0%81","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/19989.html","title":{"rendered":"\u4f7f\u7528 Flask \u8fdb\u884c\u7b80\u5355\u670d\u52a1\u5668\u6539\u9020\u7684\u8be6\u7ec6\u6b65\u9aa4\u548c\u4ee3\u7801"},"content":{"rendered":"<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528 Flask \u8fdb\u884c\u7b80\u5355\u670d\u52a1\u5668\u6539\u9020\u7684\u8be6\u7ec6\u6b65\u9aa4\u548c\u793a\u4f8b\u4ee3\u7801\u3002Flask \u662f\u4e00\u4e2a\u8f7b\u91cf\u7ea7\u7684 Python Web \u6846\u67b6&#xff0c;\u975e\u5e38\u9002\u5408\u5feb\u901f\u642d\u5efa Web \u670d\u52a1\u5668\u3002<\/p>\n<h4>1. \u5b89\u88c5 Flask<\/h4>\n<p>\u9996\u5148&#xff0c;\u786e\u4fdd\u4f60\u5df2\u7ecf\u5b89\u88c5\u4e86 Python&#xff0c;\u7136\u540e\u4f7f\u7528 pip \u6765\u5b89\u88c5 Flask&#xff1a;<\/p>\n<p>pip <span class=\"token function\">install<\/span> flask<\/p>\n<h4>2. \u57fa\u672c\u7684 Flask \u670d\u52a1\u5668\u793a\u4f8b<\/h4>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684 Flask \u5e94\u7528\u7a0b\u5e8f&#xff0c;\u5b83\u4f1a\u5728\u6d4f\u89c8\u5668\u4e2d\u663e\u793a\u4e00\u4e2a\u201cHello, World!\u201d\u6d88\u606f&#xff1a;<\/p>\n<p><span class=\"token keyword\">from<\/span> flask <span class=\"token keyword\">import<\/span> Flask<\/p>\n<p><span class=\"token comment\"># \u521b\u5efa Flask \u5e94\u7528\u5b9e\u4f8b<\/span><br \/>\napp <span class=\"token operator\">&#061;<\/span> Flask<span class=\"token punctuation\">(<\/span>__name__<span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u5b9a\u4e49\u8def\u7531\u548c\u5904\u7406\u51fd\u6570<\/span><br \/>\n<span class=\"token decorator annotation punctuation\">&#064;app<span class=\"token punctuation\">.<\/span>route<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\/&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">def<\/span> <span class=\"token function\">hello_world<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#039;Hello, World!&#039;<\/span><\/p>\n<p><span class=\"token comment\"># \u8fd0\u884c\u5e94\u7528<\/span><br \/>\n<span class=\"token keyword\">if<\/span> __name__ <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#039;__main__&#039;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    app<span class=\"token punctuation\">.<\/span>run<span class=\"token punctuation\">(<\/span>debug<span class=\"token operator\">&#061;<\/span><span class=\"token boolean\">True<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>\u5c06\u4e0a\u8ff0\u4ee3\u7801\u4fdd\u5b58\u4e3a app.py&#xff0c;\u7136\u540e\u5728\u7ec8\u7aef\u4e2d\u8fd0\u884c&#xff1a;<\/p>\n<p>python app.py<\/p>\n<p>\u6253\u5f00\u6d4f\u89c8\u5668&#xff0c;\u8bbf\u95ee http:\/\/127.0.0.1:5000\/&#xff0c;\u4f60\u5c06\u770b\u5230\u201cHello, World!\u201d\u6d88\u606f\u3002<\/p>\n<h4>3. \u6539\u9020\u670d\u52a1\u5668\u4ee5\u5904\u7406\u4e0d\u540c\u7684\u8bf7\u6c42<\/h4>\n<h5>\u5904\u7406\u4e0d\u540c\u7684\u8def\u7531<\/h5>\n<p>\u4f60\u53ef\u4ee5\u5b9a\u4e49\u591a\u4e2a\u8def\u7531\u6765\u5904\u7406\u4e0d\u540c\u7684 URL \u8bf7\u6c42&#xff1a;<\/p>\n<p><span class=\"token keyword\">from<\/span> flask <span class=\"token keyword\">import<\/span> Flask<\/p>\n<p>app <span class=\"token operator\">&#061;<\/span> Flask<span class=\"token punctuation\">(<\/span>__name__<span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u5904\u7406\u6839\u8def\u5f84<\/span><br \/>\n<span class=\"token decorator annotation punctuation\">&#064;app<span class=\"token punctuation\">.<\/span>route<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\/&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">def<\/span> <span class=\"token function\">index<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#039;This is the home page.&#039;<\/span><\/p>\n<p><span class=\"token comment\"># \u5904\u7406 \/about \u8def\u5f84<\/span><br \/>\n<span class=\"token decorator annotation punctuation\">&#064;app<span class=\"token punctuation\">.<\/span>route<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\/about&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">def<\/span> <span class=\"token function\">about<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#039;This is the about page.&#039;<\/span><\/p>\n<p><span class=\"token keyword\">if<\/span> __name__ <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#039;__main__&#039;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    app<span class=\"token punctuation\">.<\/span>run<span class=\"token punctuation\">(<\/span>debug<span class=\"token operator\">&#061;<\/span><span class=\"token boolean\">True<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<h5>\u5904\u7406\u52a8\u6001\u8def\u7531<\/h5>\n<p>Flask \u652f\u6301\u52a8\u6001\u8def\u7531&#xff0c;\u4f60\u53ef\u4ee5\u5728\u8def\u7531\u4e2d\u4f7f\u7528\u53d8\u91cf&#xff1a;<\/p>\n<p><span class=\"token keyword\">from<\/span> flask <span class=\"token keyword\">import<\/span> Flask<\/p>\n<p>app <span class=\"token operator\">&#061;<\/span> Flask<span class=\"token punctuation\">(<\/span>__name__<span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u5904\u7406\u52a8\u6001\u8def\u7531&#xff0c;\u63a5\u6536\u4e00\u4e2a\u540d\u4e3a name \u7684\u53c2\u6570<\/span><br \/>\n<span class=\"token decorator annotation punctuation\">&#064;app<span class=\"token punctuation\">.<\/span>route<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\/hello\/&lt;name&gt;&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">def<\/span> <span class=\"token function\">hello<\/span><span class=\"token punctuation\">(<\/span>name<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token string-interpolation\"><span class=\"token string\">f&#039;Hello, <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>name<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">!&#039;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">if<\/span> __name__ <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#039;__main__&#039;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    app<span class=\"token punctuation\">.<\/span>run<span class=\"token punctuation\">(<\/span>debug<span class=\"token operator\">&#061;<\/span><span class=\"token boolean\">True<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>\u8bbf\u95ee http:\/\/127.0.0.1:5000\/hello\/John&#xff0c;\u4f60\u5c06\u770b\u5230\u201cHello, John!\u201d\u6d88\u606f\u3002<\/p>\n<h5>\u5904\u7406 POST \u8bf7\u6c42<\/h5>\n<p>\u9664\u4e86 GET \u8bf7\u6c42&#xff0c;Flask \u8fd8\u53ef\u4ee5\u5904\u7406 POST \u8bf7\u6c42\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u5904\u7406\u8868\u5355\u63d0\u4ea4\u7684\u793a\u4f8b&#xff1a;<\/p>\n<p><span class=\"token keyword\">from<\/span> flask <span class=\"token keyword\">import<\/span> Flask<span class=\"token punctuation\">,<\/span> request<\/p>\n<p>app <span class=\"token operator\">&#061;<\/span> Flask<span class=\"token punctuation\">(<\/span>__name__<span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u5904\u7406 GET \u8bf7\u6c42&#xff0c;\u663e\u793a\u8868\u5355<\/span><br \/>\n<span class=\"token decorator annotation punctuation\">&#064;app<span class=\"token punctuation\">.<\/span>route<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\/form&#039;<\/span><span class=\"token punctuation\">,<\/span> methods<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">[<\/span><span class=\"token string\">&#039;GET&#039;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">def<\/span> <span class=\"token function\">show_form<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token triple-quoted-string string\">&#039;&#039;&#039;<br \/>\n        &lt;form method&#061;&#034;post&#034;&gt;<br \/>\n            &lt;input type&#061;&#034;text&#034; name&#061;&#034;message&#034; placeholder&#061;&#034;Enter a message&#034;&gt;<br \/>\n            &lt;input type&#061;&#034;submit&#034; value&#061;&#034;Submit&#034;&gt;<br \/>\n        &lt;\/form&gt;<br \/>\n    &#039;&#039;&#039;<\/span><\/p>\n<p><span class=\"token comment\"># \u5904\u7406 POST \u8bf7\u6c42&#xff0c;\u63a5\u6536\u8868\u5355\u6570\u636e<\/span><br \/>\n<span class=\"token decorator annotation punctuation\">&#064;app<span class=\"token punctuation\">.<\/span>route<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\/form&#039;<\/span><span class=\"token punctuation\">,<\/span> methods<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">[<\/span><span class=\"token string\">&#039;POST&#039;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">def<\/span> <span class=\"token function\">handle_form<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    message <span class=\"token operator\">&#061;<\/span> request<span class=\"token punctuation\">.<\/span>form<span class=\"token punctuation\">.<\/span>get<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;message&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token string-interpolation\"><span class=\"token string\">f&#039;You submitted: <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>message<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#039;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">if<\/span> __name__ <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#039;__main__&#039;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    app<span class=\"token punctuation\">.<\/span>run<span class=\"token punctuation\">(<\/span>debug<span class=\"token operator\">&#061;<\/span><span class=\"token boolean\">True<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<h4>4. \u90e8\u7f72\u670d\u52a1\u5668<\/h4>\n<p>\u5728\u5f00\u53d1\u73af\u5883\u4e2d&#xff0c;\u4f60\u53ef\u4ee5\u4f7f\u7528 app.run() \u6765\u8fd0\u884c\u670d\u52a1\u5668\u3002\u4f46\u5728\u751f\u4ea7\u73af\u5883\u4e2d&#xff0c;\u5efa\u8bae\u4f7f\u7528\u66f4\u5f3a\u5927\u7684\u670d\u52a1\u5668&#xff0c;\u5982 Gunicorn \u6216 uWSGI\u3002<\/p>\n<h5>\u4f7f\u7528 Gunicorn \u90e8\u7f72<\/h5>\n<p>\u9996\u5148&#xff0c;\u5b89\u88c5 Gunicorn&#xff1a;<\/p>\n<p>pip <span class=\"token function\">install<\/span> gunicorn<\/p>\n<p>\u7136\u540e\u5728\u7ec8\u7aef\u4e2d\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u6765\u542f\u52a8 Flask \u5e94\u7528&#xff1a;<\/p>\n<p>gunicorn <span class=\"token parameter variable\">-w<\/span> <span class=\"token number\">4<\/span> app:app<\/p>\n<p>\u5176\u4e2d&#xff0c;-w 4 \u8868\u793a\u4f7f\u7528 4 \u4e2a\u5de5\u4f5c\u8fdb\u7a0b&#xff0c;app:app \u8868\u793a app.py \u6587\u4ef6\u4e2d\u7684 app \u5e94\u7528\u5b9e\u4f8b\u3002<\/p>\n<p>\u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4&#xff0c;\u4f60\u53ef\u4ee5\u5229\u7528 Flask \u5bf9\u670d\u52a1\u5668\u8fdb\u884c\u6539\u9020&#xff0c;\u5904\u7406\u4e0d\u540c\u7684\u8bf7\u6c42\u548c\u90e8\u7f72\u5230\u751f\u4ea7\u73af\u5883\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb710\u6b21\uff0c\u70b9\u8d5e4\u6b21\uff0c\u6536\u85cf8\u6b21\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528 Flask \u8fdb\u884c\u7b80\u5355\u670d\u52a1\u5668\u6539\u9020\u7684\u8be6\u7ec6\u6b65\u9aa4\u548c\u793a\u4f8b\u4ee3\u7801\u3002Flask \u662f\u4e00\u4e2a\u8f7b\u91cf\u7ea7\u7684 Python Web \u6846\u67b6\uff0c\u975e\u5e38\u9002\u5408\u5feb\u901f\u642d\u5efa Web \u670d\u52a1\u5668\u3002_flask\u670d\u52a1\u4ee3\u7801 \u5199\u54ea\u91cc<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[153,81,1552,43],"topic":[],"class_list":{"0":"post-19989","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-server","7":"tag-flask","8":"tag-python","10":"tag-43"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u4f7f\u7528 Flask \u8fdb\u884c\u7b80\u5355\u670d\u52a1\u5668\u6539\u9020\u7684\u8be6\u7ec6\u6b65\u9aa4\u548c\u4ee3\u7801 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/19989.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u4f7f\u7528 Flask \u8fdb\u884c\u7b80\u5355\u670d\u52a1\u5668\u6539\u9020\u7684\u8be6\u7ec6\u6b65\u9aa4\u548c\u4ee3\u7801 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb710\u6b21\uff0c\u70b9\u8d5e4\u6b21\uff0c\u6536\u85cf8\u6b21\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528 Flask \u8fdb\u884c\u7b80\u5355\u670d\u52a1\u5668\u6539\u9020\u7684\u8be6\u7ec6\u6b65\u9aa4\u548c\u793a\u4f8b\u4ee3\u7801\u3002Flask \u662f\u4e00\u4e2a\u8f7b\u91cf\u7ea7\u7684 Python Web \u6846\u67b6\uff0c\u975e\u5e38\u9002\u5408\u5feb\u901f\u642d\u5efa Web \u670d\u52a1\u5668\u3002_flask\u670d\u52a1\u4ee3\u7801 \u5199\u54ea\u91cc\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/19989.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2025-04-18T18:36:50+00:00\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/19989.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/19989.html\",\"name\":\"\u4f7f\u7528 Flask \u8fdb\u884c\u7b80\u5355\u670d\u52a1\u5668\u6539\u9020\u7684\u8be6\u7ec6\u6b65\u9aa4\u548c\u4ee3\u7801 - 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