Framework7 - 使用登录屏幕启动应用程序

描述

您可以使用 modal-in 类在应用程序的第一个屏幕上创建登录屏幕。

示例

以下示例演示了在 Framework7 中使用登录屏幕启动应用程序 −

<!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>Start App With Login Screen</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 = "navbar">
               <div class = "navbar-inner">
                  <div class = "center sliding">Start App With Login Screen</div>
               </div>
            </div>
            
            <div class = "pages">
               <div data-page = "index" class = "page navbar-fixed">
                  <div class = "page-content">
                     <div class = "content-block">
                        <p><a href = "#" class = "open-login-screen">Click here to open Login Screen</a></p>
                     </div>
                  </div>
               </div>
            </div>
            
         </div>
      </div>
      
      <div class = "login-screen modal-in">
         <div class = "view">
            <div class = "page">
               <div class = "page-content login-screen-content">
                  <div class = "login-screen-title">Login Here</div>
                  
                  <form>
                     <div class = "list-block">
                        <ul>
                           <li class = "item-content">
                              <div class = "item-inner">
                                 <div class = "item-title label">Username</div>
                                 <div class = "item-input">
                                    <input type = "text" name = "username" placeholder = "Enter the username">
                                 </div>
                              </div>
                           </li>
                           
                           <li class = "item-content">
                              <div class = "item-inner">
                                 <div class = "item-title label">Password</div>
                                 <div class = "item-input">
                                    <input type = "password" name = "password" placeholder = "Enter the password">
                                 </div>
                              </div>
                           </li>
                        </ul>
                     </div>
                     
                     <div class = "list-block">
                        <ul>
                           <li><a href = "#" class = "item-link list-button">Log In</a></li>
                        </ul>
                        
                        <div class = "list-block-label">
                           <p><a href = "#" class = "close-login-screen">Click here to close Login Screen</a></p>
                        </div>
                     </div>
                  </form>
                  
               </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>
         // 您可以在此处初始化应用程序
         var myApp = new Framework7();

         // 如果您使用自定义 DOM 库，则将其保存到 $$ 变量
         var $$ = Dom7;

         // 添加视图
         var mainView = myApp.addView('.view-main', {
            
            // 为该视图启用动态导航栏:
            dynamicNavbar: true
         });
         
         $$('.login-screen .list-button').on('click', function () {
            var uname = $$('.login-screen input[name = "username"]').val();
            var pwd = $$('.login-screen input[name = "password"]').val();
            
            myApp.alert('Username: ' + uname + ', Password: ' + pwd, function () {
               myApp.closeModal('.login-screen');
            });
         });
      </script>
   </body>

</html>

输出

让我们执行以下步骤来查看上述代码的工作原理 −

• 将上述 HTML 代码保存为服务器根文件夹中的 login_screen_start_app.html 文件。

• 以 http://localhost/login_screen_start_app.html 的形式打开此 HTML 文件，输出如下所示。

• 输入用户名和密码并单击"登录"链接时，将显示登录向导，其中包含输入的用户名和密码。

• 您可以通过单击"关闭登录"链接来关闭登录屏幕。

framework7_overlays.html