Framework7 - 从 JSON 创建表单

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描述

Framework7 允许您使用以下方法根据 JSON 填充表单：

  • myApp.formFromJSON(form, formData) - 它接受以下两个参数

    • form - 它是表单的 HTML 元素 或 字符串，必须将其转换为 JSON。这是必需的参数。

    • formData - 这是包含表单数据 JSON 格式的 对象。这是必需的参数。

示例

以下示例演示了在 Framework7 中如何使用从 JSON 数据填充表单：

<!DOCTYPE html>
<html>

   <head>
      <meta name = "viewport" content = "width = device-width, initial-scale = 1, 
         maximum-scale = 1, minimum-scale = 1, user-scalable = no, minimal-ui" />
      <meta name = "apple-mobile-web-app-capable" content = "yes" />
      <meta name = "apple-mobile-web-app-status-bar-style" content = "black" />
      <title>Checkboxes group</title>
      <link rel = "stylesheet" 
         href = "https://cdnjs.cloudflare.com/ajax/libs/framework7/1.4.2/css/framework7.ios.min.css" />
      <link rel = "stylesheet" 
         href = "https://cdnjs.cloudflare.com/ajax/libs/framework7/1.4.2/css/framework7.ios.colors.min.css" />
   </head>

   <body>
      <div class = "views">
         <div class = "view view-main">
            <div class = "pages">
               <div data-page = "home" class = "page navbar-fixed">
                  
                  <div class = "navbar">
                     <div class = "navbar-inner">
                        <div class = "left"> </div>
                        <div class = "center">Form To JSON</div>
                        <div class = "right"> </div>
                     </div>
                  </div>
                  
                  <div class = "page-content">
                     <form id = "my-form" class = "list-block">
                        <ul>
                           <li>
                              <div class = "item-content">
                                 <div class = "item-inner">
                                    <div class = "item-title label">Name</div>
                                    <div class = "item-input">
                                       <input type = "text" name = "name" placeholder = "Enter your name">
                                    </div>
                                 </div>
                              </div>
                           </li>
                           
                           <li>
                              <div class = "item-content">
                                 <div class = "item-inner">
                                    <div class = "item-title label">E-mail</div>
                                    <div class = "item-input">
                                       <input type = "email" name = "email" placeholder = "Enter your e-mail">
                                    </div>
                                 </div>
                              </div>
                           </li>
                           
                           <li>
                              <div class = "item-content">
                                 <div class = "item-inner">
                                    <div class = "item-title label">Gender</div>
                                    <div class = "item-input">
                                       <select name = "gender">
                                          <option value = "male" selected>Male</option>
                                          <option value = "female">Female</option>
                                       </select>
                                    </div>
                                 </div>
                              </div>
                           </li>
                           
                           <li>
                              <div class = "item-content">
                                 <div class = "item-inner">
                                    <div class = "item-title label">Switch</div>
                                    <div class = "item-input">
                                       <label class = "label-switch">
                                          <input type = "checkbox" name = "switch" value = "yes" />
                                          <div class = "checkbox"></div>
                                       </label>
                                    </div>
                                 </div>
                              </div>
                           </li>
                        </ul>
                     </form>
                     
                     <div class = "content-block"><a href = "#" class = "button button-fill button-round color-red form-from-json">Fill Up Form</a></div>
                  </div>
               </div>
            </div>
         </div>
      </div>
      
      <script type = "text/javascript" 
         src = "https://cdnjs.cloudflare.com/ajax/libs/framework7/1.4.2/js/framework7.min.js"></script>
         
      <script>
         var myApp = new Framework7();
         var $$ = Dom7;

         $$('.form-from-json').on('click', function() {
            var formData = {
               'name': 'William Smith',
               'email': 'william_smith@tutorialspoint.com',
               'gender': 'male',
               'switch': ['yes'],
            }
            myApp.formFromJSON('#my-form', formData);
         });
      </script>
   </body>

</html>

输出

让我们执行以下步骤来了解以上代码是如何工作的：

  • 将以上 HTML 代码保存为 forms_from_json.html 文件，并放置在服务器根目录下。

  • 在浏览器中打开此 HTML 文件，例如 https:///forms_from_json.html，输出结果如下所示。

  • 在此，当开关打开且点击“填充表单”按钮时，该方法允许根据 JSON 数据轻松填充表单。

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