<table>
<tr>
<td>
</td><td>
</td><td>
</td><td>
</td><td>
									 <button type="button" onclick="Authority(${p.permissionId},${role.roleId},this)" class="btn btn-warning btn-sm">授权</button>
						</td></tr>
</table>

 

 

2.js代码

/* 授权 */
		function Authority(permissionId,roleId,obj){
			  var tr1 = obj.parentNode.parentNode; //获取当前对象的父节点的父节点(也就是tr)
              //alert(tr1.rowIndex); 
              //alert(tr1.cells[0].innerText);   
              //alert(tr1.cells[3].innerHTML);   
	          tr1.cells[3].innerHTML="<span class='text-success'>已授权</span>";  //对第4个的td赋值(下标从0开始)
	          tr1.cells[4].innerHTML="<button type='button' onclick='revokeAuthority("+permissionId+","+roleId+",this)' class='btn btn-warning btn-sm'>取消授权  </button>";
			  //alert(roleId+"  "+permissionId);}