angularjs实现table表格td单元格单击变输入框/可编辑

<table>
  <thead>
  <tr >
   <th width="40px;">序号</th>
   <th>班次</th>
   <th>分组</th>
   <th>操作</th>
  </tr>
  </thead>
  <tbody>
  <tr ng-repeat="value in train_list" >
   <td width="40px;">{{value.id }}</td>
   <td>{{value.trainNumber}}</td>
   <td ng-click="edit($event)">{{value.groupId}}</td>
   <td>
    <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow"  ng-click="move($event,'up')">上移</a>
    <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow"  ng-click="move($event,'down')">下移</a>
    <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow"  ng-click="del($event)">删除</a>
   </td>
  </tr>
  </tbody>
</table>

/
  单元格单击变编辑
  @param e
 /
$scope.edit=function(e){
  var td = $(e.target);
  var txt = td.text();
  var input = $("<input type='text' value='" + txt + "' style='width:82px;height:26px;'/>");
  td.html(input);
  input.click(function() { return false; });
  //获取焦点
  input.trigger("focus");
  //文本框失去焦点后提交内容，重新变为文本
  input.blur(function() {
    var newtxt = $(this).val();
     //判断文本有没有修改
    if (newtxt != txt) {
      td.html(newtxt);
    }
    else
    {
      td.html(newtxt);
    }
  });
};