摘要： Code: UIButton *btnSignOn = [UIButtonbuttonWithType:UIButtonTypeCustom]; btnSignOn.frame = CGRectMake(100, 100, 150, 150); btnSignOn.center = CGPointMake(175, 175); [btnSignOn addTarget:selfaction:@selector(buttonSignOn:) forControlEvents:UIControlEventTouchUpInside]; btnSignOn.backgroundColo... 阅读全文