万能点击空白键盘复原代码

//点击空白处 键盘复原
- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event{
    NSLog(@"键盘复原");
    [self.view endEditing:YES];
    [super touchesBegan:touches withEvent:event];
    [self textfinish];
}

-(void)textfinish
{
    [UIView animateWithDuration:0.3f animations:^{
        [self.view setFrame:CGRectMake(0, 0, self.view.bounds.size.width, self.view.bounds.size.height)];
    }];
}