//富文本的基本数据类型,属性字符串。以此为基础,如果这个设置了相应的属性,则会忽略上面设置的属性,默认为空 NSString *string = label.text; const CGFloat fontSize = 16.0; NSMutableAttributedString *attrString = [[NSMutableAttributedString alloc] initWithString:string]; NSUInteger length = [string length]; UIFont *baseFont = [UIFont systemFontOfSize:fontSize];//设置字体 [attrString addAttribute:NSFontAttributeName value:baseFont range:NSMakeRange(0, length)];//设置所有的字体 UIFont *boldFont = [UIFont boldSystemFontOfSize:fontSize]; [attrString addAttribute:NSFontAttributeName value:boldFont range:[string rangeOfString:@"Text"]];//设置Text这四个字母的字体为粗体 UIFont *italicFont = GetVariationOfFontWithTrait(baseFont, kCTFontTraitItalic);//设置倾斜,需要导入coreText [attrString addAttribute:NSFontAttributeName value:italicFont range:[string rangeOfString:@"Label"]]; UIColor *color = [UIColor redColor];// 设置颜色 [attrString addAttribute:NSForegroundColorAttributeName value:color range:[string rangeOfString:@"Content"]]; [attrString addAttribute:NSBackgroundColorAttributeName value:[UIColor blueColor] range:[string rangeOfString:@"ent"]]; //可以对这些属性设置值 //字体名称有以下: // label.font = [UIFont fontWithName:@"Arial-BoldItalicMT" size:24]; [attrString addAttribute:NSFontAttributeName value:[UIFont fontWithName:@"Verdana-BoldItalic" size:18] range:[string rangeOfString:@"Label"]]; label.numberOfLines = 2; NSMutableParagraphStyle * style = [[NSParagraphStyle defaultParagraphStyle] mutableCopy]; style.lineSpacing = 10;//增加行高 style.headIndent = 10;//头部缩进,相当于左padding style.tailIndent = -10;//相当于右padding style.lineHeightMultiple = 1.5;//行间距是多少倍 style.alignment = NSTextAlignmentLeft;//对齐方式 style.firstLineHeadIndent = 20;//首行头缩进 style.paragraphSpacing = 10;//段落后面的间距 style.paragraphSpacingBefore = 20;//段落之前的间距 [attrString addAttribute:NSParagraphStyleAttributeName value:style range:NSMakeRange(0, length)]; [attrString addAttribute:NSKernAttributeName value:@2 range:NSMakeRange(0, length)];//字符间距 2pt [attrString addAttribute:NSStrokeColorAttributeName value:[UIColor blueColor] range:[string rangeOfString:@"is"]];//设置文字描边颜色,需要和NSStrokeWidthAttributeName设置描边宽度,这样就能使文字空心 [attrString addAttribute:NSStrokeWidthAttributeName value:@2 range:[string rangeOfString:@"is"]];//空心字,文字边框描述 [attrString addAttribute:NSUnderlineStyleAttributeName value:@(NSUnderlineStyleSingle) range:[string rangeOfString:@"text"]];//下划线 [attrString addAttribute:NSUnderlineStyleAttributeName value:@(NSUnderlineStyleThick) range:[string rangeOfString:@"label"]];//厚的下划线 [attrString addAttribute:NSStrikethroughStyleAttributeName value:@(NSUnderlinePatternSolid | NSUnderlineStyleSingle) range:[string rangeOfString:@"things"]];//删除线 [attrString addAttribute:NSStrikethroughColorAttributeName value:[UIColor blueColor] range:[string rangeOfString:@"things"]];//删除线蓝色