text: <!DOCTYPE html>
  <html lang="en">
  <head>
      <meta charset="UTF-8">
      <title>智能社——http://www.zhinengshe.com</title>
      <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
      <meta name="apple-mobile-web-app-capable" content="yes">
      <meta name="apple-mobile-web-app-status-bar-style" content="black">
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      </style>
      <script src="vue.js"></script>
      <script>
          Vue.directive('red',function(){
              this.el.style.background='red';
          });
  
          window.onload=function(){
              var vm=new Vue({
                  el:'#box',
                  data:{
                      msg:'welcome'
                  }
              });
          };
  
      </script>
  </head>
  <body>
      <div id="box">
          <span v-red>
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          </span>
          <span v-red>
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          </span>
          <span v-red>
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          </span>
      </div>
  
  </body>
  </html>
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  