#pragma mark - 编辑完成
-(void)touchesEnded:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
{
[self.view endEditing:YES];
}
-(BOOL)textFieldShouldReturn:(UITextField *)textField
{
[self.view endEditing:YES];
return YES;
}
原文：http://www.cnblogs.com/wlsxmhz/p/5478841.html