anchor.diff:  
   			});
   			
  -			
  +			$("#checkUserName").click(function() {
  +				var userName = $("#TeamName").val();
  +				if (userName != '') {
  +					$.ajax({
  +						type : 'POST',
  +						url : "../user/validUserName.do",
  +						dataType : "json",
  +						data : {
  +							"userName" : userName
  +						},
  +						success : function(data) {
  +							if (data.valid == false) {
  +								alert("用户存在^_^");
  +							} else {
  +								alert("用户不存在！-_-");
  +							}
  +						}
  +
  +					});
  +				} else {
  +					alert("用户名不能为空！");
  +				}
  +
  +			});
   			$("#updatePermission").click(function() {
   				var userName = $("#userName").val();
   				var projectId = $("#projectID").val();
  
positive.code: 	                    }  
  	                }); 
  				} else {
  					alert("用户名不能为空！");
  				}
  			});
      	  
  
negative.code:                           <br />
  
                            <div class=" mtop20">
                             <a href="#" class="btn btn-sm btn-primary"  data-toggle="modal" data-target="#addTeam">添加成员</a>
                              <a href="#" class="btn btn-sm btn-danger">删除成员</a>
                            </div>
                            <br /><hr>
  