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  • 转：：Ext.getCmp()应用

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      1. 1.<%@page contentType="text/html" pageEncoding="UTF-8"%>     
      2. 2.<%     
      3. 3.            request.setAttribute("base", request.getContextPath());     
      4. 4.%>     
      5. 5.    
      6. 6.<html>     
      7. 7.    <head>     
      8. 8.        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">     
      9. 9.        <title>getCmp方法的简单应用</title>     
      10. 10.        <link rel="stylesheet" type="text/css" href="${base}/ext/resources/css/ext-all.css" />     
      11. 11.        <script type="text/javascript" src="${base}/ext/ext-base.js"></script>     
      12. 12.        <script type="text/javascript" src="${base}/ext/ext-all.js"></script>     
      13. 13.        <script type="text/javascript" src="${base}/ext/ext-lang-zh_CN.js"></script><!--中文映射-->     
      14. 14.    
      15. 15.        <script type="text/javascript">     
      16. 16.                
      17. 17.            function ready(){     
      18. 18.                var setText=function(){//重新设置文本函数     
      19. 19.                    var button=Ext.getCmp("btn");//根据id获取按钮对象     
      20. 20.                    var btnId=button.id;//获取按钮id     
      21. 21.                    var btnText=button.text;//获取按钮文本     
      22. 22.                    var btnType=button.type;//获取按钮类型     
      23. 23.                    var result="id:"+btnId+"  文本:"+btnText+" 类型:"+btnType;     
      24. 24.                    Ext.Msg.alert("",result);//提示框     
      25. 25.                    Ext.getCmp("btn").setText("取消");//根据id获取对象，重新设置文本     
      26. 26.                }     
      27. 27.                var alertBtn=new Ext.Button({//定义按钮对象     
      28. 28.                    id:"btn",//按钮id     
      29. 29.                    text:"确定",//按钮显示的文本     
      30. 30.                    handler:setText,//定义按钮触发的事件，直接可以写成函数名     
      31. 31.                    renderTo:document.body//将按钮渲染到窗体上     
      32. 32.                });     
      33. 33.            }     
      34. 34.            Ext.onReady(ready) ;//参数为定义的函数,onReady是程序的入口     
      35. 35.        </script>     
      36. 36.    </head>     
      37. 37.    <body>     
      38. 38.    
      39. 39.    </body>     
      40. 40.</html>    
      41. <%@page contentType="text/html" pageEncoding="UTF-8"%>  
      42. <%  
      43.             request.setAttribute("base", request.getContextPath());  
      44. %>  
      45.   
      46. <html>  
      47.     <head>  
      48.         <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">  
      49.         <title>getCmp方法的简单应用</title>  
      50.         <link rel="stylesheet" type="text/css" href="${base}/ext/resources/css/ext-all.css" />  
      51.         <script type="text/javascript" src="${base}/ext/ext-base.js"></script>  
      52.         <script type="text/javascript" src="${base}/ext/ext-all.js"></script>  
      53.         <script type="text/javascript" src="${base}/ext/ext-lang-zh_CN.js"></script><!--中文映射-->  
      54.   
      55.         <script type="text/javascript">  
      56.              
      57.             function ready(){  
      58.                 var setText=function(){//重新设置文本函数  
      59.                     var button=Ext.getCmp("btn");//根据id获取按钮对象  
      60.                     var btnId=button.id;//获取按钮id  
      61.                     var btnText=button.text;//获取按钮文本  
      62.                     var btnType=button.type;//获取按钮类型  
      63.                     var result="id:"+btnId+"  文本:"+btnText+" 类型:"+btnType;  
      64.                     Ext.Msg.alert("",result);//提示框  
      65.                     Ext.getCmp("btn").setText("取消");//根据id获取对象，重新设置文本  
      66.                 }  
      67.                 var alertBtn=new Ext.Button({//定义按钮对象  
      68.                     id:"btn",//按钮id  
      69.                     text:"确定",//按钮显示的文本  
      70.                     handler:setText,//定义按钮触发的事件，直接可以写成函数名  
      71.                     renderTo:document.body//将按钮渲染到窗体上  
      72.                 });  
      73.             }  
      74.             Ext.onReady(ready) ;//参数为定义的函数,onReady是程序的入口  
      75.         </script>  
      76.     </head>  
      77.     <body>  
      78.   
      79.     </body>  
      80. </html>  
      81.    
      82.   
      83.    
      84.   
      85. 其他的比如  Ext.get("一个参数");Ext.getDom("一个参数");Ext.getDoc("不带参数");  
      86. 就不详细介绍了。  
      87.  
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  • 原文地址：https://www.cnblogs.com/myitmylife/p/3591705.html
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