【IOS学习笔记】UITableView 点击隐藏键盘 且不影响其他事件

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

//加上这句不影响其他事件
tap.cancelsTouchesInView = NO;
[self.historyList addGestureRecognizer:tap];

-(void)tap{
    [_urlSearch resignFirstResponder];
}