IOS中使用NSAttributedString灵活创建标签

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//通过字符串初始化

//- (instancetype)initWithString:(NSString *)str;

//通过字符串和属性字典直接初始化

//- (instancetype)initWithString:(NSString *)str attributes:(NSDictionary *)attrs;

//通过自身对象初始化

//- (instancetype)initWithAttributedString:(NSAttributedString *)attrStr;

 NSMutableAttributedString * attribute = [[NSMutableAttributedString alloc]initWithString:@"123!@#你好么QWE"];

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//可以替换字符

- (void)replaceCharactersInRange:(NSRange)range withString:(NSString *)str;

//属性设置

- (void)setAttributes:(NSDictionary *)attrs range:(NSRange)range;

//设置一定范围内字符属性

- (void)addAttribute:(NSString *)name value:(id)value range:(NSRange)range;

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//kCTFontAttributeName 这个键是字体的名称 必须传入CTFont对象

//kCTKernAttributeName 这个键设置字体间距 传入必须是数字对象 默认为0

//kCTLigatureAttributeName  这个键设置连字方式 必须传入CFNumber对象

//kCTParagraphStyleAttributeName  段落对其方式

//kCTForegroundColorAttributeName 字体颜色 必须传入CGColor对象

//kCTStrokeWidthAttributeName 笔画宽度 必须是CFNumber对象

//kCTStrokeColorAttributeName 笔画颜色

//kCTSuperscriptAttributeName 控制垂直文本定位 CFNumber对象

//kCTUnderlineColorAttributeName 下划线颜色

[attribute addAttribute:(NSString*)kCTKernAttributeName value:@5 range:NSMakeRange(0, 5)];

[attribute addAttribute:(NSString *)kCTFontAttributeName

                        value:(id)CFBridgingRelease(CTFontCreateWithName((CFStringRef)[UIFont boldSystemFontOfSize:14].fontName,

                                                       14,

                                                       NULL))

                        range:NSMakeRange(0, 4)];

    [attribute addAttribute:(NSString *)kCTUnderlineStyleAttributeName

                        value:(id)[NSNumber numberWithInt:kCTUnderlineStyleDouble]

                        range:NSMakeRange(0, 4)];

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 NSParagraphStyleAttributeName

NSForegroundColorAttributeName

NSBackgroundColorAttributeName

NSLigatureAttributeName

NSKernAttributeName

NSStrikethroughStyleAttributeName

NSUnderlineStyleAttributeName

NSStrokeColorAttributeName

 NSStrokeWidthAttributeName

 NSShadowAttributeName

 NSTextEffectAttributeName

NSAttachmentAttributeName

 NSLinkAttributeName

 NSBaselineOffsetAttributeName

 NSUnderlineColorAttributeName

NSStrikethroughColorAttributeName

NSObliquenessAttributeName

 NSExpansionAttributeName

 NSWritingDirectionAttributeName

NSVerticalGlyphFormAttributeName