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iOS UILabel换行同时修改字体大小颜色

iOS UILabel换行同时修改字体大小颜色

作者: 骑马纵天下 | 来源:发表于2017-06-22 11:37 被阅读114次
        UIButton *onlyPriceBtn = [UIButton buttonWithType:UIButtonTypeCustom];
        onlyPriceBtn.layer.borderColor = [HuConfigration uiColorFromString:@"#F0493D"].CGColor;;
        onlyPriceBtn.layer.borderWidth = 0.5f;
        onlyPriceBtn.layer.cornerRadius = 4;
        onlyPriceBtn.layer.masksToBounds = YES;
        onlyPriceBtn.frame = CGRectMake(15, CGRectGetMaxY(titleLabel.frame)+15, HHBWIDTH - 30, 60);
        [self.bgView addSubview:onlyPriceBtn];
        
        UILabel *btnTitleLabel = [[UILabel alloc]initWithFrame:CGRectMake(0, 0, 200, 60)];
        btnTitleLabel.center = onlyPriceBtn.center;
        btnTitleLabel.textColor = kHuColor(#A5A5A5);
        btnTitleLabel.font = [UIFont customFontSize:12];
        btnTitleLabel.numberOfLines = 0;
        btnTitleLabel.text = @"独享价30.0元\n购买后仅供自己观看学习";//使用斜杠一定不要忘记写numberOfLines 否则无效
        btnTitleLabel.textAlignment = NSTextAlignmentCenter;
        NSMutableAttributedString *attributer = [[NSMutableAttributedString alloc]initWithString:btnTitleLabel.text];
        
        [attributer addAttribute:NSForegroundColorAttributeName
                           value:kHuColor(#F0493D)
                           range:NSMakeRange(0, 8)];
        [attributer addAttribute:NSFontAttributeName
                           value:[UIFont customFontSize:16]
                           range:NSMakeRange(0, 8)];
    
        NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle alloc]init];//调整行间距
        [paragraphStyle setLineSpacing:4];
        [attributer addAttribute:NSParagraphStyleAttributeName
                           value:paragraphStyle
                           range:NSMakeRange(0, btnTitleLabel.text.length)];
        [paragraphStyle setAlignment:NSTextAlignmentCenter];//为了美观调整行间距,但是当调整行间距时上面设置的居中不能用看 所以要加这一句 [paragraphStyle setAlignment:NSTextAlignmentCenter] 不然没有居中效果
        btnTitleLabel.attributedText = attributer;
        [self.bgView addSubview:btnTitleLabel];
    

    效果图

    image.png

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