UIScrollView回收键盘的方法

1、设置keyboardDismissMode的属性

yourTableView.keyboardDismissMode = UIScrollViewKeyboardDismissModeOnDrag;

2、设UIview的endEditing属性

[self.view endEditing:YES];

3、直接获取keyWindow，设置endEditing属性

[[[UIApplication sharedApplication] keyWindow] endEditing:YES];