//代码示例
NSString *string = @"测试数据";
NSMutableAttributedString *attributedString = [[NSMutableAttributedString alloc] initWithString:string];
[attributedString addAttribute:NSForegroundColorAttributeName value:[UIColor blueColor] range:NSMakeRange(0, string.length)];
为某一范围内的文字添加多个属性的方法
- (void)addAttributes:(NSDictionary<NSString *,id> *)attrs range:(NSRange)range;
//代码示例
NSString *string = @"测试数据";
NSDictionary *attributedDict = @{
NSFontAttributeName:[UIFont systemFontOfSize:16.0],
NSForegroundColorAttributeName:[UIColor redColor],
NSUnderlineStyleAttributeName:@(NSUnderlineStyleThick)
};
NSMutableAttributedString *attributedString = [[NSMutableAttributedString alloc] initWithString:string];
[attributedString addAttributes:attributedDict range:NSMakeRange(0, string.length)];
移除某个范围内的某个属性的方法
- (void)removeAttribute:(NSString *)name range:(NSRange)range;
//代码示例
NSString *string = @"测试数据";
NSDictionary *attributedDict = @{
NSFontAttributeName:[UIFont systemFontOfSize:16.0],
NSForegroundColorAttributeName:[UIColor redColor],
NSUnderlineStyleAttributeName:@(NSUnderlineStyleThick)
};
NSMutableAttributedString *attributedString = [[NSMutableAttributedString alloc] initWithString:string];
[attributedString addAttributes:attributedDict range:NSMakeRange(0, string.length)];
[attributedString removeAttribute:NSForegroundColorAttributeName range:NSMakeRange(0, string.length)];
属性及说明
| key | 说明 |
|---|---|
| NSFontAttributeName | 字体，value是UIFont对象 |
| NSParagraphStyleAttributeName | 绘图的风格（居中，换行模式，间距等诸多风格），value是NSParagraphStyle对象 |
| NSForegroundColorAttributeName | 文字颜色，value是UIFont对象 |
| NSLigatureAttributeName | 字符连体，value是NSNumber |
| NSKernAttributeName | 字符间隔 |
| NSStrikethroughStyleAttributeName | 删除线，value是NSNumber |
| NSUnderlineStyleAttributeName | 下划线，value是NSNumber |
| NSStrokeColorAttributeName | 描绘边颜色，value是UIColor |
| NSStrokeWidthAttributeName | 描边宽度，value是NSNumber |
| NSShadowAttributeName | 阴影，value是NSShadow对象 |
| NSTextEffectAttributeName | 文字效果，value是NSString |
| NSAttachmentAttributeName | 附属，value是NSTextAttachment 对象 |
| NSLinkAttributeName | 链接，value是NSURL or NSString |
| NSBaselineOffsetAttributeName | 基础偏移量，value是NSNumber对象 |
| NSStrikethroughColorAttributeName | 删除线颜色，value是UIColor |
| NSObliquenessAttributeName | 字体倾斜 |
| NSExpansionAttributeName | 字体扁平化 |
| NSVerticalGlyphFormAttributeName | 垂直或者水平，value是 NSNumber，0表示水平，1垂直 |
