IOS开发控件视图day14:富文本

UILabel *lab = [[UILabel alloc]init];
lab.text = @"4.23%";
NSRange range=[lab13.text rangeOfString:@"%"];
lab.font = [UIFont fontWithName:@"PingFangSC-Medium" size:12];
lab.textColor = [UIColor redColor];
[self.view addSubview:lab]
//富文本
NSMutableAttributedString *att = [[NSMutableAttributedString alloc] initWithString:lab.text];
[att addAttributes:@{NSFontAttributeName:[UIFont fontWithName:@"PingFangSC-Medium" size:18]}  range:NSMakeRange(0, range.location)];
lab.attributedText = att;

效果图：