{"id":1120116,"date":"2025-01-08T18:52:57","date_gmt":"2025-01-08T10:52:57","guid":{"rendered":""},"modified":"2025-01-08T18:52:59","modified_gmt":"2025-01-08T10:52:59","slug":"python%e5%a6%82%e4%bd%95%e5%b0%86%e6%95%b0%e6%8d%ae%e8%af%bb%e5%85%a5%e7%bd%91%e9%a1%b5%e4%b8%ad","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1120116.html","title":{"rendered":"PYTHON\u5982\u4f55\u5c06\u6570\u636e\u8bfb\u5165\u7f51\u9875\u4e2d"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25082915\/e2e431e6-819e-439d-ac9c-6541a1a583a9.webp\" alt=\"PYTHON\u5982\u4f55\u5c06\u6570\u636e\u8bfb\u5165\u7f51\u9875\u4e2d\" \/><\/p>\n<p><p> <strong>\u4f7f\u7528Python\u5c06\u6570\u636e\u8bfb\u5165\u7f51\u9875\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528Flask\u6216Django\u7b49Web\u6846\u67b6\u3001\u901a\u8fc7Jinja2\u6a21\u677f\u5f15\u64ce\u3001\u7ed3\u5408AJAX\u6280\u672f<\/strong>\u3002\u5176\u4e2d\uff0cFlask\u662f\u4e00\u4e2a\u8f7b\u91cf\u7ea7\u7684Web\u6846\u67b6\uff0c\u975e\u5e38\u9002\u5408\u521d\u5b66\u8005\uff0cJinja2\u6a21\u677f\u5f15\u64ce\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u5728HTML\u4e2d\u52a8\u6001\u5d4c\u5165\u6570\u636e\uff0c\u800cAJAX\u6280\u672f\u53ef\u4ee5\u5b9e\u73b0\u5f02\u6b65\u6570\u636e\u52a0\u8f7d\u3002\u63a5\u4e0b\u6765\u6211\u4eec\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528Flask\u5c06\u6570\u636e\u8bfb\u5165\u7f51\u9875\u4e2d\u3002<\/p>\n<\/p>\n<p><p>\u4e00\u3001\u4f7f\u7528Flask\u521b\u5efaWeb\u5e94\u7528<\/p>\n<\/p>\n<p><p>Flask\u662f\u4e00\u4e2a\u8f7b\u91cf\u7ea7\u7684Web\u6846\u67b6\uff0c\u5b83\u80fd\u591f\u5e2e\u52a9\u6211\u4eec\u5feb\u901f\u521b\u5efaWeb\u5e94\u7528\u3002\u4e0b\u9762\u662f\u4f7f\u7528Flask\u521b\u5efa\u4e00\u4e2a\u7b80\u5355Web\u5e94\u7528\u7684\u6b65\u9aa4\uff1a<\/p>\n<\/p>\n<ol>\n<li>\u5b89\u88c5Flask\uff1a<\/li>\n<\/ol>\n<p><pre><code class=\"language-bash\">pip install Flask<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"2\">\n<li>\u521b\u5efaFlask\u5e94\u7528\uff1a<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">from flask import Flask, render_template<\/p>\n<p>app = Flask(__name__)<\/p>\n<p>@app.route(&#39;\/&#39;)<\/p>\n<p>def home():<\/p>\n<p>    return render_template(&#39;index.html&#39;)<\/p>\n<p>if __name__ == &#39;__m<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>n__&#39;:<\/p>\n<p>    app.run(debug=True)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u5bfc\u5165\u4e86Flask\u5e76\u521b\u5efa\u4e86\u4e00\u4e2aFlask\u5e94\u7528\u5b9e\u4f8b\u3002\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u8def\u7531<code>\/<\/code>\uff0c\u8fd9\u4e2a\u8def\u7531\u4f1a\u8fd4\u56deindex.html\u6a21\u677f\u3002<\/p>\n<\/p>\n<p><p>\u4e8c\u3001\u4f7f\u7528Jinja2\u6a21\u677f\u5f15\u64ce<\/p>\n<\/p>\n<p><p>Jinja2\u662f\u4e00\u4e2a\u73b0\u4ee3\u7684\u6a21\u677f\u5f15\u64ce\uff0c\u652f\u6301\u5728HTML\u4e2d\u52a8\u6001\u5d4c\u5165Python\u6570\u636e\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n<ol>\n<li>\u521b\u5efatemplates\u76ee\u5f55\uff0c\u5e76\u5728\u5176\u4e2d\u521b\u5efaindex.html\u6587\u4ef6\uff1a<\/li>\n<\/ol>\n<p><pre><code class=\"language-html\">&lt;!DOCTYPE html&gt;<\/p>\n<p>&lt;html lang=&quot;en&quot;&gt;<\/p>\n<p>&lt;head&gt;<\/p>\n<p>    &lt;meta charset=&quot;UTF-8&quot;&gt;<\/p>\n<p>    &lt;title&gt;Flask Example&lt;\/title&gt;<\/p>\n<p>&lt;\/head&gt;<\/p>\n<p>&lt;body&gt;<\/p>\n<p>    &lt;h1&gt;{{ title }}&lt;\/h1&gt;<\/p>\n<p>    &lt;p&gt;{{ description }}&lt;\/p&gt;<\/p>\n<p>&lt;\/body&gt;<\/p>\n<p>&lt;\/html&gt;<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"2\">\n<li>\u4fee\u6539Flask\u5e94\u7528\uff0c\u4f20\u9012\u6570\u636e\u5230\u6a21\u677f\uff1a<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">@app.route(&#39;\/&#39;)<\/p>\n<p>def home():<\/p>\n<p>    data = {<\/p>\n<p>        &#39;title&#39;: &#39;Welcome to Flask&#39;,<\/p>\n<p>        &#39;description&#39;: &#39;This is a simple Flask application.&#39;<\/p>\n<p>    }<\/p>\n<p>    return render_template(&#39;index.html&#39;, data)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528<code>render_template<\/code>\u51fd\u6570\u5c06\u6570\u636e\u4f20\u9012\u7ed9Jinja2\u6a21\u677f\uff0c\u5e76\u5728HTML\u4e2d\u4f7f\u7528\u53cc\u82b1\u62ec\u53f7<code>{{ }}<\/code>\u5d4c\u5165\u6570\u636e\u3002<\/p>\n<\/p>\n<p><p>\u4e09\u3001\u4f7f\u7528AJAX\u5b9e\u73b0\u5f02\u6b65\u6570\u636e\u52a0\u8f7d<\/p>\n<\/p>\n<p><p>AJAX\uff08Asynchronous JavaScript and XML\uff09\u662f\u4e00\u79cd\u5728\u4e0d\u5237\u65b0\u9875\u9762\u7684\u60c5\u51b5\u4e0b\u4e0e\u670d\u52a1\u5668\u901a\u4fe1\u7684\u6280\u672f\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528AJAX\u52a0\u8f7d\u6570\u636e\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n<ol>\n<li>\u4fee\u6539Flask\u5e94\u7528\uff0c\u6dfb\u52a0\u4e00\u4e2a\u65b0\u7684\u8def\u7531\u7528\u4e8e\u63d0\u4f9b\u6570\u636e\uff1a<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">from flask import jsonify<\/p>\n<p>@app.route(&#39;\/data&#39;)<\/p>\n<p>def get_data():<\/p>\n<p>    data = {<\/p>\n<p>        &#39;title&#39;: &#39;Asynchronous Data&#39;,<\/p>\n<p>        &#39;description&#39;: &#39;This data is loaded asynchronously using AJAX.&#39;<\/p>\n<p>    }<\/p>\n<p>    return jsonify(data)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"2\">\n<li>\u4fee\u6539index.html\uff0c\u6dfb\u52a0AJAX\u8bf7\u6c42\uff1a<\/li>\n<\/ol>\n<p><pre><code class=\"language-html\">&lt;!DOCTYPE html&gt;<\/p>\n<p>&lt;html lang=&quot;en&quot;&gt;<\/p>\n<p>&lt;head&gt;<\/p>\n<p>    &lt;meta charset=&quot;UTF-8&quot;&gt;<\/p>\n<p>    &lt;title&gt;Flask Example&lt;\/title&gt;<\/p>\n<p>    &lt;script src=&quot;https:\/\/code.jquery.com\/jquery-3.6.0.min.js&quot;&gt;&lt;\/script&gt;<\/p>\n<p>    &lt;script&gt;<\/p>\n<p>        $(document).ready(function() {<\/p>\n<p>            $.ajax({<\/p>\n<p>                url: &#39;\/data&#39;,<\/p>\n<p>                method: &#39;GET&#39;,<\/p>\n<p>                success: function(data) {<\/p>\n<p>                    $(&#39;#title&#39;).text(data.title);<\/p>\n<p>                    $(&#39;#description&#39;).text(data.description);<\/p>\n<p>                }<\/p>\n<p>            });<\/p>\n<p>        });<\/p>\n<p>    &lt;\/script&gt;<\/p>\n<p>&lt;\/head&gt;<\/p>\n<p>&lt;body&gt;<\/p>\n<p>    &lt;h1 id=&quot;title&quot;&gt;Loading...&lt;\/h1&gt;<\/p>\n<p>    &lt;p id=&quot;description&quot;&gt;Please wait while we load the data.&lt;\/p&gt;<\/p>\n<p>&lt;\/body&gt;<\/p>\n<p>&lt;\/html&gt;<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528jQuery\u53d1\u9001AJAX\u8bf7\u6c42\u5230<code>\/data<\/code>\u8def\u7531\uff0c\u83b7\u53d6\u6570\u636e\u540e\u66f4\u65b0\u9875\u9762\u5185\u5bb9\u3002<\/p>\n<\/p>\n<p><p>\u56db\u3001\u7ed3\u5408\u6570\u636e\u5e93\u8bfb\u53d6\u6570\u636e<\/p>\n<\/p>\n<p><p>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6570\u636e\u901a\u5e38\u5b58\u50a8\u5728\u6570\u636e\u5e93\u4e2d\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u7ed3\u5408SQLite\u6570\u636e\u5e93\u8bfb\u53d6\u6570\u636e\u5e76\u5728\u7f51\u9875\u4e2d\u663e\u793a\uff1a<\/p>\n<\/p>\n<ol>\n<li>\u5b89\u88c5SQLite\uff1a<\/li>\n<\/ol>\n<p><pre><code class=\"language-bash\">pip install sqlite3<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"2\">\n<li>\u521b\u5efa\u6570\u636e\u5e93\u548c\u6570\u636e\u8868\uff1a<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">import sqlite3<\/p>\n<p>conn = sqlite3.connect(&#39;example.db&#39;)<\/p>\n<p>c = conn.cursor()<\/p>\n<p>c.execute(&#39;&#39;&#39;CREATE TABLE users (id INTEGER PRIMARY KEY, name TEXT, age INTEGER)&#39;&#39;&#39;)<\/p>\n<p>c.execute(&quot;INSERT INTO users (name, age) VALUES (&#39;Alice&#39;, 25)&quot;)<\/p>\n<p>c.execute(&quot;INSERT INTO users (name, age) VALUES (&#39;Bob&#39;, 30)&quot;)<\/p>\n<p>conn.commit()<\/p>\n<p>conn.close()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"3\">\n<li>\u4fee\u6539Flask\u5e94\u7528\uff0c\u8bfb\u53d6\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\uff1a<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">import sqlite3<\/p>\n<p>def get_users():<\/p>\n<p>    conn = sqlite3.connect(&#39;example.db&#39;)<\/p>\n<p>    c = conn.cursor()<\/p>\n<p>    c.execute(&#39;SELECT * FROM users&#39;)<\/p>\n<p>    users = c.fetchall()<\/p>\n<p>    conn.close()<\/p>\n<p>    return users<\/p>\n<p>@app.route(&#39;\/users&#39;)<\/p>\n<p>def users():<\/p>\n<p>    users = get_users()<\/p>\n<p>    return render_template(&#39;users.html&#39;, users=users)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"4\">\n<li>\u521b\u5efausers.html\u6a21\u677f\uff1a<\/li>\n<\/ol>\n<p><pre><code class=\"language-html\">&lt;!DOCTYPE html&gt;<\/p>\n<p>&lt;html lang=&quot;en&quot;&gt;<\/p>\n<p>&lt;head&gt;<\/p>\n<p>    &lt;meta charset=&quot;UTF-8&quot;&gt;<\/p>\n<p>    &lt;title&gt;User List&lt;\/title&gt;<\/p>\n<p>&lt;\/head&gt;<\/p>\n<p>&lt;body&gt;<\/p>\n<p>    &lt;h1&gt;User List&lt;\/h1&gt;<\/p>\n<p>    &lt;ul&gt;<\/p>\n<p>        {% for user in users %}<\/p>\n<p>            &lt;li&gt;{{ user[1] }} ({{ user[2] }} years old)&lt;\/li&gt;<\/p>\n<p>        {% endfor %}<\/p>\n<p>    &lt;\/ul&gt;<\/p>\n<p>&lt;\/body&gt;<\/p>\n<p>&lt;\/html&gt;<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a<code>get_users<\/code>\u51fd\u6570\u7528\u4e8e\u8bfb\u53d6\u6570\u636e\u5e93\u4e2d\u7684\u7528\u6237\u6570\u636e\uff0c\u5e76\u5728<code>\/users<\/code>\u8def\u7531\u4e2d\u5c06\u6570\u636e\u4f20\u9012\u7ed9Jinja2\u6a21\u677f\u8fdb\u884c\u663e\u793a\u3002<\/p>\n<\/p>\n<p><p>\u4e94\u3001\u7ed3\u5408\u524d\u7aef\u6846\u67b6<\/p>\n<\/p>\n<p><p>\u4e3a\u4e86\u521b\u5efa\u66f4\u52a0\u590d\u6742\u7684Web\u5e94\u7528\uff0c\u6211\u4eec\u53ef\u4ee5\u7ed3\u5408\u524d\u7aef\u6846\u67b6\u5982React\u6216Vue.js\u8fdb\u884c\u5f00\u53d1\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u7ed3\u5408Vue.js\u52a0\u8f7d\u6570\u636e\uff1a<\/p>\n<\/p>\n<ol>\n<li>\u5b89\u88c5Vue.js\uff1a<\/li>\n<\/ol>\n<p><pre><code class=\"language-html\">&lt;script src=&quot;https:\/\/cdn.jsdelivr.net\/npm\/vue@2.6.12\/dist\/vue.js&quot;&gt;&lt;\/script&gt;<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"2\">\n<li>\u4fee\u6539index.html\uff0c\u6dfb\u52a0Vue.js\u4ee3\u7801\uff1a<\/li>\n<\/ol>\n<p><pre><code class=\"language-html\">&lt;!DOCTYPE html&gt;<\/p>\n<p>&lt;html lang=&quot;en&quot;&gt;<\/p>\n<p>&lt;head&gt;<\/p>\n<p>    &lt;meta charset=&quot;UTF-8&quot;&gt;<\/p>\n<p>    &lt;title&gt;Flask and Vue.js&lt;\/title&gt;<\/p>\n<p>    &lt;script src=&quot;https:\/\/cdn.jsdelivr.net\/npm\/vue@2.6.12\/dist\/vue.js&quot;&gt;&lt;\/script&gt;<\/p>\n<p>    &lt;script src=&quot;https:\/\/code.jquery.com\/jquery-3.6.0.min.js&quot;&gt;&lt;\/script&gt;<\/p>\n<p>&lt;\/head&gt;<\/p>\n<p>&lt;body&gt;<\/p>\n<p>    &lt;div id=&quot;app&quot;&gt;<\/p>\n<p>        &lt;h1&gt;{{ title }}&lt;\/h1&gt;<\/p>\n<p>        &lt;p&gt;{{ description }}&lt;\/p&gt;<\/p>\n<p>    &lt;\/div&gt;<\/p>\n<p>    &lt;script&gt;<\/p>\n<p>        new Vue({<\/p>\n<p>            el: &#39;#app&#39;,<\/p>\n<p>            data: {<\/p>\n<p>                title: &#39;Loading...&#39;,<\/p>\n<p>                description: &#39;Please wait while we load the data.&#39;<\/p>\n<p>            },<\/p>\n<p>            created: function() {<\/p>\n<p>                var self = this;<\/p>\n<p>                $.ajax({<\/p>\n<p>                    url: &#39;\/data&#39;,<\/p>\n<p>                    method: &#39;GET&#39;,<\/p>\n<p>                    success: function(data) {<\/p>\n<p>                        self.title = data.title;<\/p>\n<p>                        self.description = data.description;<\/p>\n<p>                    }<\/p>\n<p>                });<\/p>\n<p>            }<\/p>\n<p>        });<\/p>\n<p>    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