编辑结束后收回键盘

#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;
}