改变UIButton上标题位置、文字颜色、背景色等

本文主要是介绍改变UIButton上标题位置、文字颜色、背景色等，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！

示例代码+注释

    UIButton *button = [[UIButton alloc] initWithFrame:CGRectMake(0, 100, 200, 100)];//添加点击事件[button addTarget:self action:@selector(pushToSecond) forControlEvents:UIControlEventTouchUpInside];//整个按钮的背景色（无背景图片时有效果）button.backgroundColor = [UIColor greenColor];//添加背景图片[button setBackgroundImage:[UIImage imageNamed:@"01.png"] forState:UIControlStateNormal];//按钮标题[button setTitle:@"Hello World!" forState:UIControlStateNormal];//button上子控件的水平对齐方式button.contentHorizontalAlignment = UIControlContentHorizontalAlignmentLeft;//button上子控件的垂直对齐方式button.contentVerticalAlignment = UIControlContentVerticalAlignmentTop;//内容容器的偏移，让文字向右偏移20像素button.contentEdgeInsets = UIEdgeInsetsMake(0,20, 0, 0);//设置标题的背景颜色button.titleLabel.backgroundColor = [UIColor purpleColor];//标题颜色[button setTitleColor:[UIColor yellowColor]forState:UIControlStateNormal];button.imageView.contentMode = UIViewContentModeScaleAspectFit;[self.view addSubview:button];[button release];

运行效果

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