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dreamkyh
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动态操作Table

    博客分类:
  • JS
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<html>  

 <head>  

  <title>Adding and Removing Rows from a table using DHTML and JavaScript</title>  

  <script language="javascript">  

   //add a new row to the table  

   function addRow()  

   {  

    //add a row to the rows collection and get a reference to the newly added row  

    var newRow = document.all("tblGrid").insertRow();  

     newRow.setAttribute("className","tr2");//设置增加行的class属性

    newRow.setAttribute("align","center");//设置增加行的align属性

    //add 3 cells (<td>) to the new row and set the innerHTML to contain text boxes  

    var oCell = newRow.insertCell();  

    oCell.innerHTML = "<input type='text' name='t1'>";  


 

    oCell = newRow.insertCell();  

    oCell.innerHTML = "<input type='text' name='t2'>";  

      

    oCell = newRow.insertCell();  

    oCell.innerHTML = "<input type='button' value='Delete' onclick='removeRow(this);'/>";     

   }  

    

   //deletes the specified row from the table  

   function removeRow(src)  

   {  

    var oRow = src.parentElement.parentElement;    



    document.all("tblGrid").deleteRow(oRow.rowIndex);    

   }  


  </script>  

 </head>  

 <body>  

  Demo of a simple table grid that allows adding and deleting rows using DHTML   

  and Javascript   



  <table id="tblGrid" style="table-layout:fixed" border="1">  

   <tr>  

    <td width="150px">姓名</td>  

    <td width="150px">年龄</td>  

    <td width="250px">操作</td>  

   </tr>  

   <tr>  

    <td><input type="text" name="t1" /></td>  

    <td><input type="text" name="t2" /></td>  

    <td align="center"><input type="button" value="Delete" onclick="removeRow(this);" /></td>  

   </tr>  



  </table>  

  <hr>  

  <input type="button" value="Add Row" onclick="addRow();" />  

  <hr>  

</a>  

 </body>  

</html>  

 

上面的代码实现了,对table的增加跟删除,在具体项目中的应用,需要通过Ajax的异步调用,通过后台传过的数据,动态的把值赋给单元格,代码上的删除只是删除的单元行,没有真正的删除数据,这样就可以做局部刷新(异步删除数据)

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