{"id":1090482,"date":"2025-01-08T14:03:08","date_gmt":"2025-01-08T06:03:08","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1090482.html"},"modified":"2025-01-08T14:03:12","modified_gmt":"2025-01-08T06:03:12","slug":"python-%e5%a6%82%e4%bd%95%e5%9c%a8%e7%bd%91%e9%a1%b5%e4%b8%ad%e6%b7%bb%e5%8a%a0js-2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1090482.html","title":{"rendered":"python \u5982\u4f55\u5728\u7f51\u9875\u4e2d\u6dfb\u52a0js"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/24203115\/79529623-6cd8-4c2a-8272-d11db327390a.webp\" alt=\"python \u5982\u4f55\u5728\u7f51\u9875\u4e2d\u6dfb\u52a0js\" \/><\/p>\n<p><p> <strong>\u5728Python\u4e2d\u6dfb\u52a0JavaScript\u5230\u7f51\u9875\u7684\u5e38\u7528\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528\u6a21\u677f\u5f15\u64ce\u3001\u76f4\u63a5\u5d4c\u5165HTML\u6587\u4ef6\u3001\u4f7f\u7528Flask\u6846\u67b6\u7b49\u3002<\/strong> \u5728\u8fd9\u4e9b\u65b9\u6cd5\u4e2d\uff0c\u4f7f\u7528Flask\u6846\u67b6\u662f\u6700\u4e3a\u5e38\u89c1\u4e14\u6709\u6548\u7684\u4e00\u79cd\u65b9\u5f0f\u3002Flask\u662f\u4e00\u4e2a\u8f7b\u91cf\u7ea7\u7684Web\u5e94\u7528\u6846\u67b6\uff0c\u5b83\u53ef\u4ee5\u5e2e\u52a9\u4f60\u5feb\u901f\u6784\u5efaWeb\u5e94\u7528\uff0c\u5e76\u4e14\u53ef\u4ee5\u8f7b\u677e\u5730\u5c06JavaScript\u4ee3\u7801\u5d4c\u5165\u5230HTML\u6a21\u677f\u4e2d\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5\u5c06JavaScript\u6dfb\u52a0\u5230\u7f51\u9875\u4e2d\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001\u4f7f\u7528\u6a21\u677f\u5f15\u64ce<\/h3>\n<\/p>\n<p><p>\u6a21\u677f\u5f15\u64ce\u662f\u4e00\u79cd\u5c06\u6570\u636e\u548cHTML\u6a21\u677f\u7ed3\u5408\u751f\u6210\u6700\u7ec8HTML\u9875\u9762\u7684\u5de5\u5177\u3002Jinja2\u662fPython\u4e2d\u6700\u5e38\u7528\u7684\u6a21\u677f\u5f15\u64ce\u4e4b\u4e00\u3002\u5b83\u4e0d\u4ec5\u53ef\u4ee5\u5904\u7406HTML\uff0c\u8fd8\u53ef\u4ee5\u5904\u7406JavaScript\u3001CSS\u7b49\u9759\u6001\u6587\u4ef6\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u4f7f\u7528Jinja2\u5728HTML\u6a21\u677f\u4e2d\u5d4c\u5165JavaScript\u4ee3\u7801\u7684\u6b65\u9aa4\uff1a<\/p>\n<\/p>\n<p><h4>1. \u521b\u5efaHTML\u6a21\u677f<\/h4>\n<\/p>\n<p><p>\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u521b\u5efa\u4e00\u4e2aHTML\u6a21\u677f\u6587\u4ef6\uff0c\u4f8b\u5982<code>index.html<\/code>\uff1a<\/p>\n<\/p>\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;meta name=&quot;viewport&quot; content=&quot;width=device-width, initial-scale=1.0&quot;&gt;<\/p>\n<p>    &lt;title&gt;Document&lt;\/title&gt;<\/p>\n<p>&lt;\/head&gt;<\/p>\n<p>&lt;body&gt;<\/p>\n<p>    &lt;h1&gt;Hello, {{ name }}&lt;\/h1&gt;<\/p>\n<p>    &lt;script&gt;<\/p>\n<p>        \/\/ \u8fd9\u91cc\u662f\u4f60\u7684JavaScript\u4ee3\u7801<\/p>\n<p>        console.log(&#39;Hello, {{ name }}&#39;);<\/p>\n<p>    &lt;\/script&gt;<\/p>\n<p>&lt;\/body&gt;<\/p>\n<p>&lt;\/html&gt;<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>2. \u6e32\u67d3\u6a21\u677f<\/h4>\n<\/p>\n<p><p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5728Python\u4ee3\u7801\u4e2d\u4f7f\u7528Jinja2\u6e32\u67d3\u8fd9\u4e2a\u6a21\u677f\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">from jinja2 import Environment, FileSystemLoader<\/p>\n<h2><strong>\u521b\u5efa\u4e00\u4e2aJinja2\u73af\u5883<\/strong><\/h2>\n<p>env = Environment(loader=FileSystemLoader(&#39;templates&#39;))<\/p>\n<h2><strong>\u52a0\u8f7d\u6a21\u677f<\/strong><\/h2>\n<p>template = env.get_template(&#39;index.html&#39;)<\/p>\n<h2><strong>\u6e32\u67d3\u6a21\u677f\uff0c\u5e76\u4f20\u9012\u53d8\u91cf<\/strong><\/h2>\n<p>rendered_html = template.render(name=&#39;World&#39;)<\/p>\n<h2><strong>\u8f93\u51fa\u6e32\u67d3\u540e\u7684HTML<\/strong><\/h2>\n<p>print(rendered_html)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06Python\u53d8\u91cf\u4f20\u9012\u5230HTML\u6a21\u677f\u4e2d\uff0c\u5e76\u5728JavaScript\u4ee3\u7801\u4e2d\u4f7f\u7528\u3002<\/p>\n<\/p>\n<p><h3>\u4e8c\u3001\u76f4\u63a5\u5d4c\u5165HTML\u6587\u4ef6<\/h3>\n<\/p>\n<p><p>\u5728\u4e00\u4e9b\u7b80\u5355\u7684\u573a\u666f\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u5728HTML\u6587\u4ef6\u4e2d\u5d4c\u5165JavaScript\u4ee3\u7801\uff0c\u800c\u4e0d\u9700\u8981\u4f7f\u7528\u6a21\u677f\u5f15\u64ce\u3002\u8fd9\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u9759\u6001\u7f51\u9875\u7684\u5f00\u53d1\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n<\/p>\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;meta name=&quot;viewport&quot; content=&quot;width=device-width, initial-scale=1.0&quot;&gt;<\/p>\n<p>    &lt;title&gt;Document&lt;\/title&gt;<\/p>\n<p>&lt;\/head&gt;<\/p>\n<p>&lt;body&gt;<\/p>\n<p>    &lt;h1&gt;Hello, World&lt;\/h1&gt;<\/p>\n<p>    &lt;script&gt;<\/p>\n<p>        \/\/ \u8fd9\u91cc\u662f\u4f60\u7684JavaScript\u4ee3\u7801<\/p>\n<p>        console.log(&#39;Hello, World&#39;);<\/p>\n<p>    &lt;\/script&gt;<\/p>\n<p>&lt;\/body&gt;<\/p>\n<p>&lt;\/html&gt;<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u4e09\u3001\u4f7f\u7528Flask\u6846\u67b6<\/h3>\n<\/p>\n<p><p>Flask\u662f\u4e00\u4e2a\u975e\u5e38\u6d41\u884c\u7684Python Web\u6846\u67b6\uff0c\u5b83\u53ef\u4ee5\u5e2e\u52a9\u4f60\u5feb\u901f\u6784\u5efaWeb\u5e94\u7528\u3002\u5728Flask\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u5f88\u65b9\u4fbf\u5730\u5c06JavaScript\u4ee3\u7801\u5d4c\u5165\u5230HTML\u6a21\u677f\u4e2d\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u4f7f\u7528Flask\u5728\u7f51\u9875\u4e2d\u6dfb\u52a0JavaScript\u4ee3\u7801\u7684\u6b65\u9aa4\uff1a<\/p>\n<\/p>\n<p><h4>1. \u5b89\u88c5Flask<\/h4>\n<\/p>\n<p><p>\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5b89\u88c5Flask\u5e93\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">pip install flask<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>2. \u521b\u5efaFlask\u5e94\u7528<\/h4>\n<\/p>\n<p><p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u521b\u5efa\u4e00\u4e2aFlask\u5e94\u7528\uff0c\u5e76\u7f16\u5199\u4e00\u4e2a\u7b80\u5355\u7684\u89c6\u56fe\u51fd\u6570\uff1a<\/p>\n<\/p>\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 index():<\/p>\n<p>    return render_template(&#39;index.html&#39;, name=&#39;World&#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><h4>3. \u521b\u5efaHTML\u6a21\u677f<\/h4>\n<\/p>\n<p><p>\u5728Flask\u5e94\u7528\u7684\u6a21\u677f\u6587\u4ef6\u5939\u4e2d\u521b\u5efa\u4e00\u4e2aHTML\u6a21\u677f\u6587\u4ef6\uff0c\u4f8b\u5982<code>index.html<\/code>\uff1a<\/p>\n<\/p>\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;meta name=&quot;viewport&quot; content=&quot;width=device-width, initial-scale=1.0&quot;&gt;<\/p>\n<p>    &lt;title&gt;Document&lt;\/title&gt;<\/p>\n<p>&lt;\/head&gt;<\/p>\n<p>&lt;body&gt;<\/p>\n<p>    &lt;h1&gt;Hello, {{ name }}&lt;\/h1&gt;<\/p>\n<p>    &lt;script&gt;<\/p>\n<p>        \/\/ \u8fd9\u91cc\u662f\u4f60\u7684JavaScript\u4ee3\u7801<\/p>\n<p>        console.log(&#39;Hello, {{ name }}&#39;);<\/p>\n<p>    &lt;\/script&gt;<\/p>\n<p>&lt;\/body&gt;<\/p>\n<p>&lt;\/html&gt;<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>4. \u8fd0\u884cFlask\u5e94\u7528<\/h4>\n<\/p>\n<p><p>\u6700\u540e\uff0c\u6211\u4eec\u8fd0\u884cFlask\u5e94\u7528\uff0c\u5e76\u5728\u6d4f\u89c8\u5668\u4e2d\u8bbf\u95ee<code>http:\/\/127.0.0.1:5000\/<\/code>\uff0c\u5c31\u53ef\u4ee5\u770b\u5230\u6e32\u67d3\u540e\u7684HTML\u9875\u9762\u548cJavaScript\u8f93\u51fa\u3002<\/p>\n<\/p>\n<p><h3>\u56db\u3001\u4f7f\u7528\u5916\u90e8JavaScript\u6587\u4ef6<\/h3>\n<\/p>\n<p><p>\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u6211\u4eec\u901a\u5e38\u4f1a\u5c06JavaScript\u4ee3\u7801\u653e\u5728\u5916\u90e8\u6587\u4ef6\u4e2d\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u7ba1\u7406\u548c\u7ef4\u62a4\u3002\u5728Flask\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06JavaScript\u6587\u4ef6\u653e\u5728<code>static<\/code>\u6587\u4ef6\u5939\u4e2d\uff0c\u5e76\u5728HTML\u6a21\u677f\u4e2d\u5f15\u7528\u5b83\u4eec\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u4f7f\u7528\u5916\u90e8JavaScript\u6587\u4ef6\u7684\u6b65\u9aa4\uff1a<\/p>\n<\/p>\n<p><h4>1. \u521b\u5efa\u5916\u90e8JavaScript\u6587\u4ef6<\/h4>\n<\/p>\n<p><p>\u5728Flask\u5e94\u7528\u7684<code>static<\/code>\u6587\u4ef6\u5939\u4e2d\u521b\u5efa\u4e00\u4e2aJavaScript\u6587\u4ef6\uff0c\u4f8b\u5982<code>main.js<\/code>\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-javascript\">\/\/ main.js<\/p>\n<p>console.log(&#39;Hello, World&#39;);<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>2. \u5f15\u7528\u5916\u90e8JavaScript\u6587\u4ef6<\/h4>\n<\/p>\n<p><p>\u5728HTML\u6a21\u677f\u4e2d\u5f15\u7528\u8fd9\u4e2a\u5916\u90e8JavaScript\u6587\u4ef6\uff1a<\/p>\n<\/p>\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;meta name=&quot;viewport&quot; content=&quot;width=device-width, initial-scale=1.0&quot;&gt;<\/p>\n<p>    &lt;title&gt;Document&lt;\/title&gt;<\/p>\n<p>&lt;\/head&gt;<\/p>\n<p>&lt;body&gt;<\/p>\n<p>    &lt;h1&gt;Hello, {{ name }}&lt;\/h1&gt;<\/p>\n<p>    &lt;script src=&quot;{{ url_for(&#39;static&#39;, filename=&#39;main.js&#39;) }}&quot;&gt;&lt;\/script&gt;<\/p>\n<p>&lt;\/body&gt;<\/p>\n<p>&lt;\/html&gt;<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>3. \u8fd0\u884cFlask\u5e94\u7528<\/h4>\n<\/p>\n<p><p>\u540c\u6837\u5730\uff0c\u8fd0\u884cFlask\u5e94\u7528\uff0c\u5e76\u5728\u6d4f\u89c8\u5668\u4e2d\u8bbf\u95ee<code>http:\/\/127.0.0.1:5000\/<\/code>\uff0c\u5c31\u53ef\u4ee5\u770b\u5230\u6e32\u67d3\u540e\u7684HTML\u9875\u9762\u548c\u5916\u90e8JavaScript\u6587\u4ef6\u7684\u8f93\u51fa\u3002<\/p>\n<\/p>\n<p><h3>\u4e94\u3001\u52a8\u6001\u52a0\u8f7dJavaScript\u6587\u4ef6<\/h3>\n<\/p>\n<p><p>\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u6839\u636e\u7528\u6237\u7684\u64cd\u4f5c\u52a8\u6001\u52a0\u8f7dJavaScript\u6587\u4ef6\u3002\u5728Flask\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528AJAX\u6280\u672f\u6765\u5b9e\u73b0\u8fd9\u4e00\u70b9\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u52a8\u6001\u52a0\u8f7dJavaScript\u6587\u4ef6\u7684\u6b65\u9aa4\uff1a<\/p>\n<\/p>\n<p><h4>1. \u521b\u5efaAJAX\u8bf7\u6c42<\/h4>\n<\/p>\n<p><p>\u5728HTML\u6a21\u677f\u4e2d\u7f16\u5199\u4e00\u4e2aAJAX\u8bf7\u6c42\uff0c\u7528\u4e8e\u52a8\u6001\u52a0\u8f7dJavaScript\u6587\u4ef6\uff1a<\/p>\n<\/p>\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;meta name=&quot;viewport&quot; content=&quot;width=device-width, initial-scale=1.0&quot;&gt;<\/p>\n<p>    &lt;title&gt;Document&lt;\/title&gt;<\/p>\n<p>&lt;\/head&gt;<\/p>\n<p>&lt;body&gt;<\/p>\n<p>    &lt;h1&gt;Hello, {{ name }}&lt;\/h1&gt;<\/p>\n<p>    &lt;button id=&quot;load-script&quot;&gt;Load Script&lt;\/button&gt;<\/p>\n<p>    &lt;script&gt;<\/p>\n<p>        document.getElementById(&#39;load-script&#39;).addEventListener(&#39;click&#39;, function() {<\/p>\n<p>            var script = document.createElement(&#39;script&#39;);<\/p>\n<p>            script.src = &quot;{{ url_for(&#39;static&#39;, filename=&#39;main.js&#39;) }}&quot;;<\/p>\n<p>            document.body.appendChild(script);<\/p>\n<p>        });<\/p>\n<p>    &lt;\/script&gt;<\/p>\n<p>&lt;\/body&gt;<\/p>\n<p>&lt;\/html&gt;<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>2. \u521b\u5efa\u5916\u90e8JavaScript\u6587\u4ef6<\/h4>\n<\/p>\n<p><p>\u5728Flask\u5e94\u7528\u7684<code>static<\/code>\u6587\u4ef6\u5939\u4e2d\u521b\u5efa\u4e00\u4e2aJavaScript\u6587\u4ef6\uff0c\u4f8b\u5982<code>main.js<\/code>\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-javascript\">\/\/ main.js<\/p>\n<p>console.log(&#39;Hello, World&#39;);<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>3. \u8fd0\u884cFlask\u5e94\u7528<\/h4>\n<\/p>\n<p><p>\u540c\u6837\u5730\uff0c\u8fd0\u884cFlask\u5e94\u7528\uff0c\u5e76\u5728\u6d4f\u89c8\u5668\u4e2d\u8bbf\u95ee<code>http:\/\/127.0.0.1:5000\/<\/code>\uff0c\u70b9\u51fb\u201cLoad 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