angularjs table td单元格单击变输入框 可编辑状态

 
html <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($event)">{{value.groupId}}</td>
<td>
<a href="#" ng-click="move($event,'up')">上移</a>
<a href="#" ng-click="move($event,'down')">下移</a>
<a href="#" ng-click="del($event)">删除</a>
</td>
</tr>
</tbody>
</table>
 js /**
* 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);
}
});

};