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  • NSMutableAttributedString使用

     
    //    // 1
    //    NSMutableAttributedString *attributed = [[NSMutableAttributedString alloc] initWithString:str];
    //    [attributed addAttribute:NSFontAttributeName value:[UIFont fontWithName:@"Zapfino" size:20] range:NSMakeRange(0, str.length)];
    //    [attributed addAttribute:NSForegroundColorAttributeName value:[UIColor redColor] range:NSMakeRange(5, 2)];
    //    label.attributedText = attributed;
    //   
    //    // 2
    //    NSDictionary *attrDict = @{NSFontAttributeName:[UIFont fontWithName: @"Zapfino" size: 15],
    //                                NSForegroundColorAttributeName:[UIColor blueColor]};
    //   
    //    NSMutableAttributedString *attributed2 = [[NSMutableAttributedString alloc] initWithString:str attributes:attrDict];
    //    label.attributedText = attributed2;
    //   
    //    // 打印系统中所有字体的类型名字
    //    NSArray *familyNames = [UIFont familyNames];
    //    for(NSString *familyName in familyNames ){
    //        printf("Family: %s ", [familyName UTF8String]);
    //        NSArray *fontNames = [UIFont fontNamesForFamilyName:familyName];
    //        for(NSString *fontName in fontNames) {
    //            printf(" Font: %s ", [fontName UTF8String]);
    //  
    //        }
    //    }
       
       
       
    //方式二的分段处理
       
    //第一段
       
    //    NSString *originStr = @"家里人今天的上课了国家的路口时根据法律的空格键";
    //   
    //    NSDictionary *attrDict1 = @{NSFontAttributeName:[UIFont fontWithName: @"Zapfino" size: 15],
    //                                 NSForegroundColorAttributeName:[UIColor blueColor] };
    //    NSAttributedString *attrStr1 = [[NSAttributedString alloc] initWithString: [originStr substringWithRange: NSMakeRange(0, 4)] attributes: attrDict1];
    //   
    //    //第二段
    //    NSDictionary *attrDict2 = @{NSFontAttributeName:[UIFont fontWithName: @"Zapfino" size: 15],
    //                                 NSForegroundColorAttributeName:[UIColor redColor] };
    //    NSAttributedString *attrStr2 = [[NSAttributedString alloc] initWithString: [originStr substringWithRange: NSMakeRange(4, 3)] attributes: attrDict2];
    //   
    //    //第三段
    //    NSDictionary *attrDict3 = @{NSFontAttributeName:[UIFont fontWithName: @"Zapfino" size: 15],
    //                                 NSForegroundColorAttributeName:[UIColor blackColor] };
    //    NSAttributedString *attrStr3 = [[NSAttributedString alloc] initWithString:[originStr substringWithRange:NSMakeRange(7, originStr.length - 4 - 3)] attributes: attrDict3];
    //    //合并
    //    NSMutableAttributedString *attributedStr03 = [[NSMutableAttributedString alloc] initWithAttributedString: attrStr1];
    //    [attributedStr03 appendAttributedString: attrStr2];
    //    [attributedStr03 appendAttributedString: attrStr3];
    //   
    //    label.attributedText = attributedStr03;
       
       
      
    // 举例说明:
       
    //    1. NSFontAttributeName
       
       
       
    //NSForegroundColorAttributeName 设置字体颜色,取值为 UIColor,默认为黑色
    //   
    //    NSDictionary *attrDict1 = @{ NSForegroundColorAttributeName: [UIColor redColor] };
    //    NSDictionary *attrDict2 = @{ NSForegroundColorAttributeName: [UIColor blueColor] };
    //    NSDictionary *attrDict3 = @{ NSForegroundColorAttributeName: [UIColor orangeColor] };
    //   
    //    label.attributedText = [[NSAttributedString alloc] initWithString: originStr attributes: attrDict1];
    //    label2.attributedText = [[NSAttributedString alloc] initWithString: originStr attributes: attrDict2];
    //    label3.attributedText = [[NSAttributedString alloc] initWithString: originStr attributes: attrDict3];
    //   
    //   
    //   
    ////    注意:
    ////   
    ////    NSForegroundColorAttributeName设置的颜色与UILabeltextColor属性设置的颜色在地位上是相等的,谁最后赋值,最终显示的就是谁的颜色。
    ////   
    //   
    //   
    ////    2. NSBackgroundColorAttributeName
    //   
    //   
    //    //NSForegroundColorAttributeName 设置字体颜色,取值为 UIColor,默认为黑色
    //   
    //    NSDictionary *attrDict1 = @{ NSForegroundColorAttributeName: [UIColor redColor] };
    //    NSDictionary *attrDict2 = @{ NSForegroundColorAttributeName: [UIColor blueColor] };
    //    NSDictionary *attrDict3 = @{ NSForegroundColorAttributeName: [UIColor orangeColor] };
    //   
    //    label.attributedText = [[NSAttributedString alloc] initWithString: originStr attributes: attrDict1];
    //    label2.attributedText = [[NSAttributedString alloc] initWithString: originStr attributes: attrDict2];
    //    label3.attributedText = [[NSAttributedString alloc] initWithString: originStr attributes: attrDict3];
    //   
    //   
    //    //NSBackgroundColorAttributeName 设置字体所在区域背景的颜色,取值为UIColor,默认值为nil
    //   
    //    NSDictionary *attrDict4 = @{ NSBackgroundColorAttributeName: [UIColor orangeColor] };
    //    NSDictionary *attrDict5 = @{ NSBackgroundColorAttributeName: [UIColor redColor] };
    //    NSDictionary *attrDict6 = @{ NSBackgroundColorAttributeName: [UIColor cyanColor] };
    //   
    //    label1.attributedText = [[NSAttributedString alloc] initWithString: originStr attributes: attrDict4];
    //    label2.attributedText = [[NSAttributedString alloc] initWithString: originStr attributes: attrDict5];
    //    label3.attributedText = [[NSAttributedString alloc] initWithString: originStr attributes: attrDict6];
    //   
    //   
    //   
    ////   
    ////    仔细观察会发现个问题,我并没有关闭 NSForegroundColorAttributeName 属性,但是在运行结果中,所有字体的颜色都变成了默认色——黑色,这说明 NSForegroundColorAttributeName NSBackgroundColorAttributeName 的低位是相等的,跟前面介绍的 textColor 一样,哪个属性最后一次赋值,就会冲掉前面的效果,若是我们把属性代码顺序交换一下
    //   
    //   
    //    //NSBackgroundColorAttributeName 设置字体所在区域背景的颜色,取值为UIColor,默认值为nil
    //   
    //    NSDictionary *attrDict4 = @{ NSBackgroundColorAttributeName: [UIColor orangeColor] };
    //    NSDictionary *attrDict5 = @{ NSBackgroundColorAttributeName: [UIColor redColor] };
    //    NSDictionary *attrDict6 = @{ NSBackgroundColorAttributeName: [UIColor cyanColor] };
    //   
    //    label1.attributedText = [[NSAttributedString alloc] initWithString: originStr attributes: attrDict4];
    //    label2.attributedText = [[NSAttributedString alloc] initWithString: originStr attributes: attrDict5];
    //    label3.attributedText = [[NSAttributedString alloc] initWithString: originStr attributes: attrDict6];
    //   
    //    //NSForegroundColorAttributeName 设置字体颜色,取值为 UIColor,默认为黑色
    //   
    //    NSDictionary *attrDict1 = @{ NSForegroundColorAttributeName: [UIColor redColor] };
    //    NSDictionary *attrDict2 = @{ NSForegroundColorAttributeName: [UIColor blueColor] };
    //    NSDictionary *attrDict3 = @{ NSForegroundColorAttributeName: [UIColor orangeColor] };
    //   
    //    label1.attributedText = [[NSAttributedString alloc] initWithString: originStr attributes: attrDict1];
    //    label2.attributedText = [[NSAttributedString alloc] initWithString: originStr attributes: attrDict2];
    //    label3.attributedText = [[NSAttributedString alloc] initWithString: originStr attributes: attrDict3];
    //   
    //   
    //   
    //   
    ////    但是textColor属性可以与 NSBackgroundColorAttributeName 属性叠加
    //   
    //   
    //    label1.textColor = [UIColor greenColor];
    //    label2.textColor = [UIColor yellowColor];
    //    label3.textColor = [UIColor blueColor];
    //   
    //    //NSForegroundColorAttributeName 设置字体颜色,取值为 UIColor,默认为黑色
    //   
    //    NSDictionary *attrDict1 = @{ NSForegroundColorAttributeName: [UIColor redColor] };
    //    NSDictionary *attrDict2 = @{ NSForegroundColorAttributeName: [UIColor blueColor] };
    //    NSDictionary *attrDict3 = @{ NSForegroundColorAttributeName: [UIColor orangeColor] };
    //   
    //    label1.attributedText = [[NSAttributedString alloc] initWithString: originStr attributes: attrDict1];
    //    label2.attributedText = [[NSAttributedString alloc] initWithString: originStr attributes: attrDict2];
    //    label3.attributedText = [[NSAttributedString alloc] initWithString: originStr attributes: attrDict3];
    //   
    //   
    //    //NSBackgroundColorAttributeName 设置字体所在区域背景的颜色,取值为UIColor,默认值为nil
    //   
    //    NSDictionary *attrDict4 = @{ NSBackgroundColorAttributeName: [UIColor orangeColor] };
    //    NSDictionary *attrDict5 = @{ NSBackgroundColorAttributeName: [UIColor redColor] };
    //    NSDictionary *attrDict6 = @{ NSBackgroundColorAttributeName: [UIColor cyanColor] };
    //   
    //    label1.attributedText = [[NSAttributedString alloc] initWithString: originStr attributes: attrDict4];
    //    label2.attributedText = [[NSAttributedString alloc] initWithString: originStr attributes: attrDict5];
    //    label3.attributedText = [[NSAttributedString alloc] initWithString: originStr attributes: attrDict6];
    //   
    //   
    ////   
    ////    虽然 textColor NSFontAttributeName 之前赋值,但是由于 NSFontAttributeName 的属性效果被NSBackgroundColorAttributeName 属性冲掉了,所以最终显示了 textColor 的颜色。
    //   
    //   
    //   
    ////    3. NSLigatureAttributeName
    //   
    //    //NSLigatureAttributeName 设置连体属性,取值为NSNumber 对象(整数)0 表示没有连体字符,1 表示使用默认的连体字符,
    //    //                        2 表示使用所有连体符号,默认值为 1iOS 不支持 2
    //   
    //    NSString *ligatureStr = @"flush";
    //   
    //    NSDictionary *attrDict1 = @{ NSLigatureAttributeName: [NSNumber numberWithInt: 0],
    //                                 NSFontAttributeName: [UIFont fontWithName: @"futura" size: 30] };
    //    label1.attributedText = [[NSAttributedString alloc] initWithString: ligatureStr attributes: attrDict1];
    //   
    //    NSDictionary *attrDict2 = @{ NSLigatureAttributeName: @(1),
    //                                 NSFontAttributeName: [UIFont fontWithName: @"futura" size: 30]
    //                                 };
    //    label2.attributedText = [[NSAttributedString alloc] initWithString: ligatureStr attributes: attrDict2];
    ////    由于要展示连体字符,所以将前面使用的带有中文的字符串换成 flush
    ////   
    ////    NSLigatureAttributeName的取值为NSNumber对象,所以不能直接将一个整数值赋给它,创建 NSNumber 对象的方法有很多,或者可以简写成 @(int)
    //   
    //   
    //   
    //   
    //   
    ////    注意观察字母fl之间的变化。
    ////   
    ////    感觉连写就是一个艺术字功能,当字符fl组合使用组合符号(所谓的字形(glyph))绘制时,看起来确实更加美观。但是并非所有的字符之间都有组合符号,事实上,只有某些字体中得某些字符的组合(如字符fl,字符fi等)才具有美观的组合符号。
    //   
    //   
    //   
    ////    4. NSKernAttributeName
    //   
    //   
    //    //NSKernAttributeName 设定字符间距,取值为 NSNumber 对象(整数),正值间距加宽,负值间距变窄
    //   
    //   
    //    NSDictionary *attrDict1 = @{ NSKernAttributeName: @(-3),
    //                                 NSFontAttributeName: [UIFont systemFontOfSize: 20]
    //                                 };
    //    label1.attributedText = [[NSAttributedString alloc] initWithString: originStr attributes: attrDict1];
    //   
    //   
    //    NSDictionary *attrDict2 = @{ NSKernAttributeName: @(0),
    //                                 NSFontAttributeName: [UIFont systemFontOfSize: 20]
    //                                 };
    //    label2.attributedText = [[NSAttributedString alloc] initWithString: originStr attributes: attrDict2];
    //   
    //   
    //    NSDictionary *attrDict3 = @{ NSKernAttributeName: @(10),
    //                                 NSFontAttributeName: [UIFont systemFontOfSize: 20]
    //                                 };
    //    label3.attributedText = [[NSAttributedString alloc] initWithString: originStr attributes: attrDict3];
    //   
    //   
    //   
    //   
    //   
    //   
    ////    5. NSStrikethroughStyleAttributeName
    //   
    //   
    //    //NSStrikethroughStyleAttributeName 设置删除线,取值为 NSNumber 对象(整数),枚举常量 NSUnderlineStyle中的值
    //    // NSUnderlineStyleNone   不设置删除线
    //    // NSUnderlineStyleSingle 设置删除线为细单实线
    //    // NSUnderlineStyleThick  设置删除线为粗单实线
    //    // NSUnderlineStyleDouble 设置删除线为细双实线
    //   
    //   
    //    NSDictionary *attrDict1 = @{ NSStrikethroughStyleAttributeName: @(NSUnderlineStyleSingle),
    //                                 NSFontAttributeName: [UIFont systemFontOfSize:20] };
    //    label1.attributedText = [[NSAttributedString alloc] initWithString: originStr attributes: attrDict1];
    //   
    //   
    //    NSDictionary *attrDict2 = @{ NSStrikethroughStyleAttributeName: @(NSUnderlineStyleThick),
    //                                 NSFontAttributeName: [UIFont systemFontOfSize:20] };
    //    label2.attributedText = [[NSAttributedString alloc] initWithString: originStr attributes: attrDict2];
    //   
    //   
    //    NSDictionary *attrDict3 = @{ NSStrikethroughStyleAttributeName: @(NSUnderlineStyleDouble),
    //                                 NSFontAttributeName: [UIFont systemFontOfSize:20] };
    //    label3.attributedText = [[NSAttributedString alloc] initWithString: originStr attributes: attrDict3];
    ////    注意:
    ////   
    ////    虽然使用了枚举常量,但是枚举常量的本质仍为整数,所以同样必须先转化为 NSNumber 才能使用
    ////   
    ////    删除线和下划线使用相同的枚举常量作为其属性值
    ////   
    ////    目前iOS中只有上面列出的4中效果,虽然我们能够在头文件中发现其他更多的取值,但是使用后没有任何效果
    //   
    //   
    //   
    //   
    //   
    //   
    ////    可以看出,中文和英文删除线的位置有所不同
    ////   
    ////    另外,删除线属性取值除了上面的4种外,其实还可以取其他整数值,有兴趣的可以自行试验,取值为 0 - 7时,效果为单实线,随着值得增加,单实线逐渐变粗,取值为 9 - 15时,效果为双实线,取值越大,双实线越粗。
    //   
    //    NSDictionary *attrDict1 = @{ NSStrikethroughStyleAttributeName: @(1),
    //                                 NSFontAttributeName: [UIFont systemFontOfSize:20] };
    //    label1.attributedText = [[NSAttributedString alloc] initWithString: originStr attributes: attrDict1];
    //   
    //   
    //    NSDictionary *attrDict2 = @{ NSStrikethroughStyleAttributeName: @(3),
    //                                 NSFontAttributeName: [UIFont systemFontOfSize:20] };
    //    label2.attributedText = [[NSAttributedString alloc] initWithString: originStr attributes: attrDict2];
    //   
    //   
    //    NSDictionary *attrDict3 = @{ NSStrikethroughStyleAttributeName: @(7),
    //                                 NSFontAttributeName: [UIFont systemFontOfSize:20] };
    //    _label3.attributedText = [[NSAttributedString alloc] initWithString: originStr attributes: attrDict3];
    //   
    //   
    //   
    //   
    //   
    ////    6. NSStrikethroughColorAttributeName
    //   
    //   
    //    //NSStrikethroughColorAttributeName 设置删除线颜色,取值为 UIColor 对象,默认值为黑色
    //   
    //    NSDictionary *attrDict1 = @{ NSStrikethroughColorAttributeName: [UIColor blueColor],
    //                                 NSStrikethroughStyleAttributeName: @(1),
    //                                 NSFontAttributeName: [UIFont systemFontOfSize:20] };
    //    label1.attributedText = [[NSAttributedString alloc] initWithString: originStr attributes: attrDict1];
    //   
    //   
    //    NSDictionary *attrDict2 = @{ NSStrikethroughColorAttributeName: [UIColor orangeColor],
    //                                 NSStrikethroughStyleAttributeName: @(3),
    //                                 NSFontAttributeName: [UIFont systemFontOfSize:20] };
    //    label2.attributedText = [[NSAttributedString alloc] initWithString: originStr attributes: attrDict2];
    //   
    //   
    //    NSDictionary *attrDict3 = @{ NSStrikethroughColorAttributeName: [UIColor greenColor],
    //                                 NSStrikethroughStyleAttributeName: @(7),
    //                                 NSFontAttributeName: [UIFont systemFontOfSize:20] };
    //    label3.attributedText = [[NSAttributedString alloc] initWithString: originStr attributes: attrDict3];
    //   
    //   
    //   
    //   
    //   
    //   
    ////    7. NSUnderlineStyleAttributeName
    //   
    ////    下划线除了线条位置和删除线不同外,其他的都可以完全参照删除线设置。
    //   
    //   
    //    //NSUnderlineStyleAttributeName 设置下划线,取值为 NSNumber 对象(整数),枚举常量 NSUnderlineStyle中的值,与删除线类似
    //   
    //    NSDictionary *attrDict1 = @{ NSUnderlineStyleAttributeName: @(NSUnderlineStyleSingle),
    //                                 NSFontAttributeName: [UIFont systemFontOfSize:20] };
    //    label.attributedText = [[NSAttributedString alloc] initWithString: originStr attributes: attrDict1];
    //   
    //   
    //    NSDictionary *attrDict2 = @{ NSUnderlineStyleAttributeName: @(NSUnderlineStyleThick),
    //                                 NSFontAttributeName: [UIFont systemFontOfSize:20] };
    //    label.attributedText = [[NSAttributedString alloc] initWithString: originStr attributes: attrDict2];
    //   
    //   
    //    NSDictionary *attrDict3 = @{ NSUnderlineStyleAttributeName: @(NSUnderlineStyleDouble),
    //                                 NSFontAttributeName: [UIFont systemFontOfSize:20] };
    //    label.attributedText = [[NSAttributedString alloc] initWithString: originStr attributes: attrDict3];
    //   
    //   
    //   
    //   
    //   
    //    8. NSUnderlineColorAttributeName
    //   
    ////    可以完全参照下划线颜色设置
    //   
    //   
    //    //NSUnderlineColorAttributeName 设置下划线颜色,取值为 UIColor 对象,默认值为黑色
    //   
    //    NSDictionary *attrDict1 = @{ NSUnderlineColorAttributeName: [UIColor blueColor],
    //                                 NSUnderlineStyleAttributeName: @(NSUnderlineStyleSingle),
    //                                 NSFontAttributeName: [UIFont systemFontOfSize:20] };
    //    label1.attributedText = [[NSAttributedString alloc] initWithString: originStr attributes: attrDict1];
    //   
    //   
    //    NSDictionary *attrDict2 = @{ NSUnderlineColorAttributeName: [UIColor orangeColor],
    //                                 NSUnderlineStyleAttributeName: @(NSUnderlineStyleThick),
    //                                 NSFontAttributeName: [UIFont systemFontOfSize:20] };
    //    label2.attributedText = [[NSAttributedString alloc] initWithString: originStr attributes: attrDict2];
    //   
    //   
    //    NSDictionary *attrDict3 = @{ NSUnderlineColorAttributeName: [UIColor greenColor],
    //                                 NSUnderlineStyleAttributeName: @(NSUnderlineStyleDouble),
    //                                 NSFontAttributeName: [UIFont systemFontOfSize:20] };
    //    label3.attributedText = [[NSAttributedString alloc] initWithString: originStr attributes: attrDict3];
    //   
    //   
    //   
    //   
    //   
    //   
    ////    9. NSStrokeWidthAttributeName
    //   
    //   
    //    //NSStrokeWidthAttributeName 设置笔画宽度,取值为 NSNumber 对象(整数),负值填充效果,正值中空效果
    //   
    //    NSDictionary *attrDict1 = @{ NSStrokeWidthAttributeName: @(-3),
    //                                 NSFontAttributeName: [UIFont systemFontOfSize:30] };
    //    label1.attributedText = [[NSAttributedString alloc] initWithString: originStr attributes: attrDict1];
    //   
    //   
    //    NSDictionary *attrDict2 = @{ NSStrokeWidthAttributeName: @(0),
    //                                 NSFontAttributeName: [UIFont systemFontOfSize:30] };
    //    label2.attributedText = [[NSAttributedString alloc] initWithString: originStr attributes: attrDict2];
    //   
    //   
    //    NSDictionary *attrDict3 = @{ NSStrokeWidthAttributeName: @(3),
    //                                 NSFontAttributeName: [UIFont systemFontOfSize:30] };
    //    label3.attributedText = [[NSAttributedString alloc] initWithString: originStr attributes: attrDict3];
    //   
    //   
    //   
    //   
    //   
    //   
    ////    10. NSStrokeColorAttributeName
    //   
    //   
    //    //NSStrokeColorAttributeName 填充部分颜色,不是字体颜色,取值为 UIColor 对象
    //   
    //    NSDictionary *attrDict1 = @{ NSStrokeWidthAttributeName: @(-3),
    //                                 NSStrokeColorAttributeName: [UIColor orangeColor],
    //                                 NSFontAttributeName: [UIFont systemFontOfSize:30] };
    //    _label01.attributedText = [[NSAttributedString alloc] initWithString: originStr attributes: attrDict1];
    //   
    //   
    //    NSDictionary *attrDict2 = @{ NSStrokeWidthAttributeName: @(0),
    //                                 NSStrokeColorAttributeName: [UIColor blueColor],
    //                                 NSFontAttributeName: [UIFont systemFontOfSize:30] };
    //    _label02.attributedText = [[NSAttributedString alloc] initWithString: originStr attributes: attrDict2];
    //   
    //   
    //    NSDictionary *attrDict3 = @{ NSStrokeWidthAttributeName: @(3),
    //                                 NSStrokeColorAttributeName: [UIColor greenColor],
    //                                 NSFontAttributeName: [UIFont systemFontOfSize:30] };
    //    _label03.attributedText = [[NSAttributedString alloc] initWithString: originStr attributes: attrDict3];
       
       
       
       
    }


    // NSFontAttributeName                设置字体属性,默认值:字体:Helvetica(Neue) 字号:12
    // NSForegroundColorAttributeNam      设置字体颜色,取值为 UIColor对象,默认值为黑色
    // NSBackgroundColorAttributeName     设置字体所在区域背景颜色,取值为 UIColor对象,默认值为nil, 透明色
    // NSLigatureAttributeName            设置连体属性,取值为NSNumber 对象(整数)0 表示没有连体字符,1 表示使用默认的连体字符
    // NSKernAttributeName                设定字符间距,取值为 NSNumber 对象(整数),正值间距加宽,负值间距变窄
    // NSStrikethroughStyleAttributeName  设置删除线,取值为 NSNumber 对象(整数)
    // NSStrikethroughColorAttributeName  设置删除线颜色,取值为 UIColor 对象,默认值为黑色
    // NSUnderlineStyleAttributeName      设置下划线,取值为 NSNumber 对象(整数),枚举常量 NSUnderlineStyle中的值,与删除线类似
    // NSUnderlineColorAttributeName      设置下划线颜色,取值为 UIColor 对象,默认值为黑色
    // NSStrokeWidthAttributeName         设置笔画宽度,取值为 NSNumber 对象(整数),负值填充效果,正值中空效果
    // NSStrokeColorAttributeName         填充部分颜色,不是字体颜色,取值为 UIColor 对象
    // NSShadowAttributeName              设置阴影属性,取值为 NSShadow 对象
    // NSTextEffectAttributeName          设置文本特殊效果,取值为 NSString 对象,目前只有图版印刷效果可用:
    // NSBaselineOffsetAttributeName      设置基线偏移值,取值为 NSNumber float,正值上偏,负值下偏
    // NSObliquenessAttributeName         设置字形倾斜度,取值为 NSNumber float,正值右倾,负值左倾
    // NSExpansionAttributeName           设置文本横向拉伸属性,取值为 NSNumber float,正值横向拉伸文本,负值横向压缩文本
    // NSWritingDirectionAttributeName    设置文字书写方向,从左向右书写或者从右向左书写
    // NSVerticalGlyphFormAttributeName   设置文字排版方向,取值为 NSNumber 对象(整数)0 表示横排文本,1 表示竖排文本
    // NSLinkAttributeName                设置链接属性,点击后调用浏览器打开指定URL地址
    // NSAttachmentAttributeName          设置文本附件,取值为NSTextAttachment对象,常用于文字图片混排
    // NSParagraphStyleAttributeName      设置文本段落排版格式,取值为 NSParagraphStyle 对象

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  • 原文地址:https://www.cnblogs.com/yuhaojishuboke/p/5155852.html
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