{"id":1004036,"date":"2024-12-27T10:22:39","date_gmt":"2024-12-27T02:22:39","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1004036.html"},"modified":"2024-12-27T10:22:43","modified_gmt":"2024-12-27T02:22:43","slug":"python%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8html%e6%a8%a1%e6%9d%bf","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1004036.html","title":{"rendered":"python\u5982\u4f55\u4f7f\u7528html\u6a21\u677f"},"content":{"rendered":"

\"python\u5982\u4f55\u4f7f\u7528html\u6a21\u677f\"<\/p>\n

Python\u4f7f\u7528HTML\u6a21\u677f\u7684\u65b9\u5f0f\u5305\u62ec\uff1a\u4f7f\u7528\u5185\u7f6e\u7684\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u3001\u5229\u7528\u7b2c\u4e09\u65b9\u5e93\u5982Jinja2\u3001\u4ee5\u53ca\u901a\u8fc7Web\u6846\u67b6\u5982Flask\u548cDjango\u3002<\/strong>\u5728\u8fd9\u51e0\u79cd\u65b9\u5f0f\u4e2d\uff0cJinja2 \u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u6a21\u677f\u5f15\u64ce\uff0c\u53ef\u4ee5\u4e0ePython\u65e0\u7f1d\u96c6\u6210\uff0c\u5e76\u4e14\u652f\u6301\u63a7\u5236\u7ed3\u6784\u3001\u53d8\u91cf\u548c\u6a21\u677f\u7ee7\u627f\u7b49\u529f\u80fd\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u5c06\u8be6\u7ec6\u63cf\u8ff0\u5982\u4f55\u4f7f\u7528Jinja2\u6765\u6e32\u67d3HTML\u6a21\u677f\u3002<\/p>\n<\/p>\n

Jinja2 \u662f\u4e00\u4e2a\u6d41\u884c\u7684Python\u6a21\u677f\u5f15\u64ce\uff0c\u5b83\u652f\u6301\u52a8\u6001\u751f\u6210HTML\u9875\u9762\u3002\u901a\u8fc7Jinja2\uff0c\u4f60\u53ef\u4ee5\u5728\u6a21\u677f\u4e2d\u4f7f\u7528\u53d8\u91cf\u3001\u8fdb\u884c\u5faa\u73af\u548c\u6761\u4ef6\u5224\u65ad\uff0c\u4ece\u800c\u4f7f\u9875\u9762\u5177\u6709\u52a8\u6001\u6027\u3002Jinja2\u4f7f\u7528\u8d77\u6765\u975e\u5e38\u7b80\u5355\uff0c\u53ea\u9700\u521b\u5efa\u6a21\u677f\u6587\u4ef6\uff0c\u7136\u540e\u5728Python\u4ee3\u7801\u4e2d\u52a0\u8f7d\u6a21\u677f\u5e76\u6e32\u67d3\u5373\u53ef\u3002\u4e3a\u4e86\u66f4\u597d\u5730\u7406\u89e3\u5982\u4f55\u4f7f\u7528Jinja2\uff0c\u6211\u4eec\u5c06\u4ece\u5b89\u88c5\u3001\u57fa\u672c\u4f7f\u7528\u3001\u6a21\u677f\u7ee7\u627f\u548c\u8fc7\u6ee4\u5668\u7b49\u51e0\u4e2a\u65b9\u9762\u8fdb\u884c\u8be6\u7ec6\u4ecb\u7ecd\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u5b89\u88c5Jinja2<\/p>\n<\/p>\n

\u5728\u4f7f\u7528Jinja2\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u5b89\u88c5\u5b83\u3002\u53ef\u4ee5\u901a\u8fc7Python\u5305\u7ba1\u7406\u5de5\u5177pip\u6765\u5b89\u88c5\uff1a<\/p>\n<\/p>\n

pip install Jinja2<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u5728Python\u7a0b\u5e8f\u4e2d\u5bfc\u5165\u5e76\u4f7f\u7528Jinja2\u4e86\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u57fa\u672c\u4f7f\u7528<\/p>\n<\/p>\n
\u5728Jinja2\u4e2d\uff0c\u4e00\u4e2a\u6a21\u677f\u901a\u5e38\u662f\u4e00\u4e2aHTML\u6587\u4ef6\uff0c\u5176\u4e2d\u5305\u542b\u4e86\u53d8\u91cf\u548c\u63a7\u5236\u7ed3\u6784\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7Python\u4ee3\u7801\u5c06\u6570\u636e\u4f20\u9012\u7ed9\u6a21\u677f\uff0c\u5e76\u751f\u6210\u6700\u7ec8\u7684HTML\u9875\u9762\u3002<\/p>\n<\/p>\n
    \n
  1. \u521b\u5efa\u6a21\u677f<\/strong><\/li>\n<\/ol>\n
    \u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u521b\u5efa\u4e00\u4e2aHTML\u6a21\u677f\u6587\u4ef6\uff0c\u4f8b\u5982template.html<\/code>\uff1a<\/p>\n<\/p>\n
    <!DOCTYPE html><\/p>\n
    <html lang="en"><\/p>\n
    <head><\/p>\n
        <meta charset="UTF-8"><\/p>\n
        <title>{{ title }}<\/title><\/p>\n
    <\/head><\/p>\n
    <body><\/p>\n
        <h1>{{ header }}<\/h1><\/p>\n
        <ul><\/p>\n
        {% for item in items %}<\/p>\n
            <li>{{ item }}<\/li><\/p>\n
        {% endfor %}<\/p>\n
        <\/ul><\/p>\n
    <\/body><\/p>\n
    <\/html><\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5728\u8fd9\u4e2a\u6a21\u677f\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86{{ variable }}<\/code>\u6765\u8868\u793a\u53d8\u91cf\uff0c\u4f7f\u7528{% for ... %}<\/code>\u548c{% endfor %}<\/code>\u6765\u8868\u793a\u5faa\u73af\u3002<\/p>\n<\/p>\n
      \n
    1. \u6e32\u67d3\u6a21\u677f<\/strong><\/li>\n<\/ol>\n
      \u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u7f16\u5199Python\u4ee3\u7801\u6765\u6e32\u67d3\u8fd9\u4e2a\u6a21\u677f\uff1a<\/p>\n<\/p>\n
      from jinja2 import Environment, FileSystemLoader<\/p>\n
      \u521b\u5efa\u4e00\u4e2a\u52a0\u8f7d\u5668\uff0c\u6307\u5b9a\u6a21\u677f\u6587\u4ef6\u6240\u5728\u7684\u76ee\u5f55<\/strong><\/h2>\n
      file_loader = FileSystemLoader('templates')<\/p>\n
      \u521b\u5efa\u4e00\u4e2aJinja2\u73af\u5883<\/strong><\/h2>\n
      env = Environment(loader=file_loader)<\/p>\n
      \u52a0\u8f7d\u6a21\u677f<\/strong><\/h2>\n
      template = env.get_template('template.html')<\/p>\n
      \u5b9a\u4e49\u6570\u636e<\/strong><\/h2>\n
      data = {<\/p>\n
          'title': 'My Page',<\/p>\n
          'header': 'Welcome to My Page',<\/p>\n
          'items': ['Item 1', 'Item 2', 'Item 3']<\/p>\n
      }<\/p>\n
      \u6e32\u67d3\u6a21\u677f<\/strong><\/h2>\n
      output = template.render(data)<\/p>\n
      \u8f93\u51fa\u7ed3\u679c<\/strong><\/h2>\n
      print(output)<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528FileSystemLoader<\/code>\u6765\u6307\u5b9a\u6a21\u677f\u6587\u4ef6\u6240\u5728\u7684\u76ee\u5f55\uff0c\u7136\u540e\u901a\u8fc7get_template<\/code>\u65b9\u6cd5\u52a0\u8f7d\u6a21\u677f\u3002\u6700\u540e\uff0c\u4f7f\u7528render<\/code>\u65b9\u6cd5\u4f20\u5165\u6570\u636e\u5e76\u751f\u6210\u6700\u7ec8\u7684HTML\u3002<\/p>\n<\/p>\n
      \u4e09\u3001\u6a21\u677f\u7ee7\u627f<\/p>\n<\/p>\n
      Jinja2\u652f\u6301\u6a21\u677f\u7ee7\u627f\uff0c\u8fd9\u4f7f\u5f97\u6211\u4eec\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u57fa\u7840\u6a21\u677f\uff0c\u7136\u540e\u5728\u5176\u4ed6\u6a21\u677f\u4e2d\u7ee7\u627f\u5b83\u3002\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u91cd\u590d\u4ee3\u7801\uff0c\u63d0\u9ad8\u6a21\u677f\u7684\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<\/p>\n
        \n
      1. \u521b\u5efa\u57fa\u7840\u6a21\u677f<\/strong><\/li>\n<\/ol>\n
        \u9996\u5148\uff0c\u6211\u4eec\u521b\u5efa\u4e00\u4e2a\u57fa\u7840\u6a21\u677fbase.html<\/code>\uff1a<\/p>\n<\/p>\n
        <!DOCTYPE html><\/p>\n
        <html lang="en"><\/p>\n
        <head><\/p>\n
            <meta charset="UTF-8"><\/p>\n
            <title>{% block title %}Default Title{% endblock %}<\/title><\/p>\n
        <\/head><\/p>\n
        <body><\/p>\n
            <header><\/p>\n
                <h1>{% block header %}Default Header{% endblock %}<\/h1><\/p>\n
            <\/header><\/p>\n
            <mAI<\/a>n><\/p>\n
                {% block content %}{% endblock %}<\/p>\n
            <\/main><\/p>\n
            <footer><\/p>\n
                <p>Footer content<\/p><\/p>\n
            <\/footer><\/p>\n
        <\/body><\/p>\n
        <\/html><\/p>\n
        <\/code><\/pre>\n<\/p>\n
        \u5728\u8fd9\u4e2a\u6a21\u677f\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86{% block ... %}{% endblock %}<\/code>\u6765\u5b9a\u4e49\u53ef\u88ab\u8986\u76d6\u7684\u5757\u3002<\/p>\n<\/p>\n
          \n
        1. \u521b\u5efa\u5b50\u6a21\u677f<\/strong><\/li>\n<\/ol>\n
          \u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u521b\u5efa\u4e00\u4e2a\u5b50\u6a21\u677fchild.html<\/code>\uff0c\u5e76\u7ee7\u627f\u81eabase.html<\/code>\uff1a<\/p>\n<\/p>\n
          {% extends 'base.html' %}<\/p>\n
          {% block title %}Child Page{% endblock %}<\/p>\n
          {% block header %}Welcome to the Child Page{% endblock %}<\/p>\n
          {% block content %}<\/p>\n
              <p>This is the content of the child page.<\/p><\/p>\n
          {% endblock %}<\/p>\n
          <\/code><\/pre>\n<\/p>\n
          \u5728\u8fd9\u4e2a\u5b50\u6a21\u677f\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528{% extends 'base.html' %}<\/code>\u6765\u6307\u5b9a\u7ee7\u627f\u7684\u6a21\u677f\uff0c\u5e76\u901a\u8fc7{% block ... %}{% endblock %}<\/code>\u6765\u8986\u76d6\u7236\u6a21\u677f\u4e2d\u7684\u5757\u3002<\/p>\n<\/p>\n
            \n
          1. \u6e32\u67d3\u5b50\u6a21\u677f<\/strong><\/li>\n<\/ol>\n
            \u6700\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7Python\u4ee3\u7801\u6e32\u67d3\u5b50\u6a21\u677f\uff1a<\/p>\n<\/p>\n
            template = env.get_template('child.html')<\/p>\n
            output = template.render()<\/p>\n
            print(output)<\/p>\n
            <\/code><\/pre>\n<\/p>\n
            \u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u6211\u4eec\u53ef\u4ee5\u8f7b\u677e\u5730\u521b\u5efa\u5177\u6709\u4e00\u81f4\u7ed3\u6784\u7684HTML\u9875\u9762\u3002<\/p>\n<\/p>\n
            \u56db\u3001\u4f7f\u7528\u8fc7\u6ee4\u5668<\/p>\n<\/p>\n
            Jinja2\u63d0\u4f9b\u4e86\u591a\u79cd\u8fc7\u6ee4\u5668\uff0c\u53ef\u4ee5\u5728\u6a21\u677f\u4e2d\u5bf9\u53d8\u91cf\u8fdb\u884c\u5904\u7406\u3002\u5e38\u7528\u7684\u8fc7\u6ee4\u5668\u6709length<\/code>\u3001upper<\/code>\u3001lower<\/code>\u7b49\u3002<\/p>\n<\/p>\n
              \n
            1. \u5e94\u7528\u8fc7\u6ee4\u5668<\/strong><\/li>\n<\/ol>\n
              \u5728\u6a21\u677f\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u7ba1\u9053\u7b26|<\/code>\u6765\u5e94\u7528\u8fc7\u6ee4\u5668\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
              <p>The length of the list is: {{ items|length }}<\/p><\/p>\n
              <p>{{ message|upper }}<\/p><\/p>\n
              <\/code><\/pre>\n<\/p>\n
              \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0clength<\/code>\u8fc7\u6ee4\u5668\u7528\u4e8e\u83b7\u53d6\u5217\u8868\u7684\u957f\u5ea6\uff0cupper<\/code>\u8fc7\u6ee4\u5668\u7528\u4e8e\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u5927\u5199\u3002<\/p>\n<\/p>\n
                \n
              1. \u81ea\u5b9a\u4e49\u8fc7\u6ee4\u5668<\/strong><\/li>\n<\/ol>\n
                \u6211\u4eec\u8fd8\u53ef\u4ee5\u5b9a\u4e49\u81ea\u5df1\u7684\u8fc7\u6ee4\u5668\uff0c\u5e76\u5728\u6a21\u677f\u4e2d\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u5b9a\u4e49\u4e00\u4e2a\u5c06\u5b57\u7b26\u4e32\u53cd\u8f6c\u7684\u8fc7\u6ee4\u5668\uff1a<\/p>\n<\/p>\n
                def reverse_filter(s):<\/p>\n
                    return s[::-1]<\/p>\n
                env.filters['reverse'] = reverse_filter<\/p>\n
                <\/code><\/pre>\n<\/p>\n
                \u7136\u540e\u5728\u6a21\u677f\u4e2d\u4f7f\u7528\uff1a<\/p>\n<\/p>\n
                <p>{{ message|reverse }}<\/p><\/p>\n
                <\/code><\/pre>\n<\/p>\n
                \u901a\u8fc7\u81ea\u5b9a\u4e49\u8fc7\u6ee4\u5668\uff0c\u6211\u4eec\u53ef\u4ee5\u6839\u636e\u9700\u8981\u5bf9\u6570\u636e\u8fdb\u884c\u7075\u6d3b\u5904\u7406\u3002<\/p>\n<\/p>\n
                \u4e94\u3001\u96c6\u6210Web\u6846\u67b6<\/p>\n<\/p>\n
                Jinja2\u5e38\u5e38\u4e0eFlask\u7b49Web\u6846\u67b6\u7ed3\u5408\u4f7f\u7528\uff0c\u4ee5\u4fbf\u8f7b\u677e\u521b\u5efa\u52a8\u6001Web\u5e94\u7528\u3002<\/p>\n<\/p>\n
                  \n
                1. Flask\u548cJinja2<\/strong><\/li>\n<\/ol>\n
                  Flask\u5185\u7f6e\u652f\u6301Jinja2\u4f5c\u4e3a\u5176\u6a21\u677f\u5f15\u64ce\u3002\u5728Flask\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u7b80\u5355\u7684\u6b65\u9aa4\u6765\u6e32\u67d3Jinja2\u6a21\u677f\u3002<\/p>\n<\/p>\n
                  \u9996\u5148\uff0c\u5b89\u88c5Flask\uff1a<\/p>\n<\/p>\n
                  pip install Flask<\/p>\n
                  <\/code><\/pre>\n<\/p>\n
                  \u7136\u540e\uff0c\u521b\u5efa\u4e00\u4e2aFlask\u5e94\u7528\uff0c\u5e76\u4f7f\u7528Jinja2\u6a21\u677f\uff1a<\/p>\n<\/p>\n
                  from flask import Flask, render_template<\/p>\n
                  app = Flask(__name__)<\/p>\n
                  @app.route('\/')<\/p>\n
                  def home():<\/p>\n
                      data = {<\/p>\n
                          'title': 'Home Page',<\/p>\n
                          'header': 'Welcome to the Home Page',<\/p>\n
                          'items': ['Item A', 'Item B', 'Item C']<\/p>\n
                      }<\/p>\n
                      return render_template('template.html', data)<\/p>\n
                  if __name__ == '__main__':<\/p>\n
                      app.run(debug=True)<\/p>\n
                  <\/code><\/pre>\n<\/p>\n
                  \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528render_template<\/code>\u51fd\u6570\u6765\u6e32\u67d3\u6a21\u677f\uff0c\u5e76\u5c06\u6570\u636e\u4f20\u9012\u7ed9\u6a21\u677f\u3002<\/p>\n<\/p>\n
                    \n
                  1. Django\u548cJinja2<\/strong><\/li>\n<\/ol>\n
                    \u867d\u7136Django\u6709\u5176\u81ea\u5e26\u7684\u6a21\u677f\u5f15\u64ce\uff0c\u4f46\u4e5f\u53ef\u4ee5\u4f7f\u7528Jinja2\u3002\u914d\u7f6e\u65b9\u6cd5\u7565\u5fae\u590d\u6742\uff0c\u4f46\u53ef\u4ee5\u901a\u8fc7\u5b98\u65b9\u6587\u6863\u83b7\u53d6\u8be6\u7ec6\u6307\u5357\u3002<\/p>\n<\/p>\n
                    \u603b\u4e4b\uff0cJinja2\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u6a21\u677f\u529f\u80fd\uff0c\u4f7f\u5f97Python\u5f00\u53d1\u8005\u80fd\u591f\u8f7b\u677e\u521b\u5efa\u52a8\u6001HTML\u9875\u9762\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u7ed3\u5408Web\u6846\u67b6\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8\u5f00\u53d1\u6548\u7387\u3002\u5e0c\u671b\u901a\u8fc7\u8fd9\u7bc7\u6587\u7ae0\uff0c\u4f60\u80fd\u591f\u5bf9Python\u4e2d\u5982\u4f55\u4f7f\u7528HTML\u6a21\u677f\u6709\u66f4\u6df1\u5165\u7684\u7406\u89e3\uff0c\u5e76\u80fd\u5728\u81ea\u5df1\u7684\u9879\u76ee\u4e2d\u7075\u6d3b\u8fd0\u7528\u3002<\/p>\n<\/p>\n
                    \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
                     \u5982\u4f55\u5728Python\u4e2d\u4f7f\u7528HTML\u6a21\u677f\u8fdb\u884c\u7f51\u9875\u5f00\u53d1\uff1f<\/strong>
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