labelbutton等设置不同颜色的标题

简单的一个属性实现label每个字的颜色都不相同&＃xff0c;现在只是提供静态的&＃xff0c;就是要提供一个范围

    NSString *df&＃61;&＃64;"this is test!";

    NSMutableAttributedString *attriString &＃61;[[NSMutableAttributedStringalloc] initWithString:df];

    NSRange range2&＃61;[df rangeOfString:&＃64;"is"];

    NSArray *colors&＃61;[NSArrayarrayWithObjects:[UIColorredColor],[UIColorredColor],[UIColoryellowColor],[UIColorgreenColor],nil];

    [attriString addAttribute:NSForegroundColorAttributeName value:[colors objectAtIndex:1] range:range2];    

    UIButton *la&＃61;[[UIButtonalloc] initWithFrame:CGRectMake(100,200,300,80)];

    [la setBackgroundColor:[UIColorwhiteColor]];

    [la setTitle:df forState:UIControlStateNormal];

    //[la setAttributedText:attriString];

    [la setAttributedTitle:attriString forState:UIControlStateNormal];

    [self.view addSubview:la];

效果图