zoukankan      html  css  js  c++  java
  • NSMutableAttributedString(转)

    NSMutableAttributedString计算高度的问题   
    
            _label_page2_1 = [[UILabel alloc] init];
            _label_page2_1.numberOfLines = 0;
             
            NSMutableAttributedString *attrString = [[NSMutableAttributedString alloc] initWithString:@"addAttribute:NSFontAttributeName value:[UIFont systemFontOfSize:30]"];
             
            [attrString addAttribute:NSFontAttributeName value:[UIFont systemFontOfSize:30] range:NSMakeRange(8, 2)];
            [attrString addAttribute:NSForegroundColorAttributeName value:[UIColor orangeColor] range:NSMakeRange(8, 2)];
             
            [attrString addAttribute:NSFontAttributeName value:[UIFont systemFontOfSize:30] range:NSMakeRange(13, 2)];
            [attrString addAttribute:NSForegroundColorAttributeName value:[UIColor redColor] range:NSMakeRange(13, 2)];
             
             
            CGRect rect = [attrString boundingRectWithSize:CGSizeMake(320, MAXFLOAT) options:NSStringDrawingUsesLineFragmentOrigin | NSStringDrawingUsesFontLeading context:nil];
             
            _label_page2_1.frame = CGRectMake(0 ,200, ceil(rect.size.width),ceil( rect.size.height));
            _label_page2_1.backgroundColor = [UIColor yellowColor];
            _label_page2_1.attributedText = attrString;
  • 相关阅读:
    简单图片预加载
    前端进行图片压缩
    原生js实现拖动滑块验证
    chrome和IE下的滚动条样式修改
    简单canvas刮刮乐
    时间轴
    简单边框动画
    滚动指示器
    美化checkbox多选框
    将过长的文字改用省略号显示
  • 原文地址:https://www.cnblogs.com/ly1973/p/5431903.html
Copyright © 2011-2022 走看看