ios中怎么设置textfield点击其他地方键盘收回

//在点击需要收回键盘的视图添加单击手势

UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(reKeyBoard)];
[self.view addGestureRecognizer:tap];

//实现方法//取消textView ,textField的第一响应者即可
- (void)reKeyBoard
{
[_introduceGroupField resignFirstResponder];
[_nameGroupField resignFirstResponder];

}

　　//在点击需要收回键盘的视图添加单击手势

UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(reKeyBoard)];
[self.view addGestureRecognizer:tap];

//实现方法//取消textView ,textField的第一响应者即可
- (void)reKeyBoard
{
[_introduceGroupField resignFirstResponder];
[_nameGroupField resignFirstResponder];

}