点击TableView键盘消失

点击TableView键盘消失且不影响cell的点击效果

UITapGestureRecognizer *gestureRecognizer2 = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(hideKeyboard)];

gestureRecognizer2.numberOfTapsRequired = 1;

gestureRecognizer2.cancelsTouchesInView = NO;

[_tableView addGestureRecognizer:gestureRecognizer2];