zoukankan      html  css  js  c++  java
  • 11

     1 - (void)setupTextView
     2 {
     3     // 富文本技术:
     4     // 1.图文混排
     5     // 2.随意修改文字样式
     6     //    self.textView.text = @"哈哈4365746875";
     7     //    self.textView.textColor = [UIColor blueColor];
     8     NSMutableAttributedString *string = [[NSMutableAttributedString alloc] initWithString:@"哈哈123456"];
     9     // 设置“哈哈”为蓝色
    10     [string addAttribute:NSForegroundColorAttributeName value:[UIColor blueColor] range:NSMakeRange(0, 2)];
    11     [string addAttribute:NSFontAttributeName value:[UIFont systemFontOfSize:30] range:NSMakeRange(0, 2)];
    12     [string addAttribute:NSBackgroundColorAttributeName value:[UIColor redColor] range:NSMakeRange(0, 2)];
    13     
    14     // 设置“456”为红色
    15     [string addAttribute:NSForegroundColorAttributeName value:[UIColor redColor] range:NSMakeRange(6, 2)];
    16     [string addAttribute:NSFontAttributeName value:[UIFont boldSystemFontOfSize:24] range:NSMakeRange(6, 2)];
    17     [string addAttribute:NSUnderlineStyleAttributeName value:@(NSUnderlineStyleSingle) range:NSMakeRange(6, 2)];
    18     
    19     // 创建图片图片附件
    20     NSTextAttachment *attach = [[NSTextAttachment alloc] init];
    21     attach.image = [UIImage imageNamed:@"placeholderHeader"];
    22     attach.bounds = CGRectMake(0, 0, 15, 15);
    23     NSAttributedString *attachString = [NSAttributedString attributedStringWithAttachment:attach];
    24     
    25     
    26     [string appendAttributedString:attachString];
    27     
    28     [string appendAttributedString:[[NSAttributedString alloc] initWithString:@"789"]];
    29     
    30     self.textView.attributedText = string;
    
    37 }

    iOS 6之前:CoreText,纯C语言,极其蛋疼

    iOS 6开始:NSAttributedString,简单易用

    iOS 7开始:TextKit,功能强大,简单易用
  • 相关阅读:
    hdu 1823 Luck and Love 二维线段树
    UVA 12299 RMQ with Shifts 线段树
    HDU 4578 Transformation 线段树
    FZU 2105 Digits Count 线段树
    UVA 1513 Movie collection 树状数组
    UVA 1292 Strategic game 树形DP
    【ACM】hdu_zs2_1003_Problem C_201308031012
    qsort快速排序
    【ACM】nyoj_7_街区最短路径问题_201308051737
    【ACM】nyoj_540_奇怪的排序_201308050951
  • 原文地址:https://www.cnblogs.com/chnyang/p/5550430.html
Copyright © 2011-2022 走看看