JQuery implements directly editable tables_jquery

The example in this article describes how to implement a directly editable table with JQuery. Share it with everyone for your reference. The specific analysis is as follows:

Function:

Create a table where the user can directly modify the cell text after clicking on a cell.
In the editing state, the user can press the Enter key to confirm the modification and press the ESC key to cancel the modification.

The effect is as follows:

Things:

When the user clicks on a cell, a text box is immediately inserted into the cell, and its width and height are set to the same values ​​as the cell. After the user confirms the input, clear all HTML code in the cell, and then set the content to the text the user just entered.

HTML code:

<table align="center"> 
 <tr> 
 <td>学号</td> 
 <td>姓名</td> 
 </tr> 
 <tr> 
 <td>001</td> 
 <td>dog</td> 
 </tr> 
 <tr> 
 <td>002</td> 
 <td>cat</td> 
 </tr> 
 <tr> 
 <td>003</td> 
 <td>pig</td> 
 </tr> 
</table> 

JavaScript code:

$(function(){ 
 $("td").click(function(event){ 
  //td中已经有了input,则不需要响应点击事件
  if($(this).children("input").length > 0) 
   return false; 
  var tdObj = $(this); 
  var preText = tdObj.html();
  //得到当前文本内容 
  var inputObj = $("<input type='text' />");
  //创建一个文本框元素 
  tdObj.html(""); //清空td中的所有元素 
  inputObj 
   .width(tdObj.width())
   //设置文本框宽度与td相同 
   .height(tdObj.height()) 
   .css({border:"0px",fontSize:"17px",font:"宋体"})
   .val(preText) 
   .appendTo(tdObj)
   //把创建的文本框插入到tdObj子节点的最后
   .trigger("focus")
   //用trigger方法触发事件 
   .trigger("select"); 
  inputObj.keyup(function(event){ 
   if(13 == event.which)
   //用户按下回车 
   { 
    var text = $(this).val(); 
    tdObj.html(text); 
   } 
   else if(27 == event.which)
   //ESC键 
   { 
    tdObj.html(preText); 
   } 
  }); 
  //已进入编辑状态后，不再处理click事件 
  inputObj.click(function(){ 
   return false; 
  }); 
 }); 
}); 

I hope this article will be helpful to everyone’s jQuery programming.