iOS 设置Label不同颜色、大小

创建

NSMutableAttributedString *attStr = [[NSMutableAttributedString alloc] initWithString:@"喵了个咪的猫"];

改变大小 UIFont italicSystemFontOfSize:10   “3”代表从第几个字符开始  “2”代表是第几个字符开始改变几个字符  NSMakeRange(3, 2)

[attStr setAttributes:@{NSFontAttributeName:[UIFont systemFontOfSize:14]} range:NSMakeRange(0, 3)];

[attStr setAttributes:@{NSFontAttributeName:[UIFont italicSystemFontOfSize:10]} range:NSMakeRange(3, 2)];

改变颜色

[attStr addAttribute:NSForegroundColorAttributeName value:[UIColor redColor] range:NSMakeRange(5, 1)];