初始化：

NSMutableAttributedString*attStr = [[NSMutableAttributedStringalloc] initWithString:@"富文本"];

?其他幾種創(chuàng)建方法

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

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

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

添加富文本：

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

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

刪除富文本

- (void)removeAttribute:(NSAttributedStringKey)name range:(NSRange)range;

富文本樣式大全:

字體大小 ?NSFontAttributeName

[@“富文本” addAttribute:NSFontAttributeNamevalue:[UIFontsystemFontOfSize:10.0f] range:NSMakeRange(0,2)];

字體顏色?NSForegroundColorAttributeName

背景顏色NSBackgroundColorAttributeName

空心字和描邊顏色

[@“富文本” addAttribute:NSStrokeColorAttributeNamevalue:[UIColorredColor] range:NSMakeRange(4,3)];

[@“富文本”addAttribute:NSStrokeWidthAttributeNamevalue:@1.5range:NSMakeRange(4,3)];

字體間距NSKernAttributeName

斜體NSObliquenessAttributeName

拉伸NSExpansionAttributeName

兩個字連在一起NSLigatureAttributeName

字體下沉或者上浮NSBaselineOffsetAttributeName

字體陰影

NSShadow*shadow = [[NSShadowalloc] init];

shadow.shadowOffset =CGSizeMake(3,3);

shadow.shadowBlurRadius =1.5;

shadow.shadowColor = [UIColorredColor];

[@“富文本” addAttribute:NSShadowAttributeNamevalue:shadow range:NSMakeRange(0,2)];

文字方向[@“富文本”? addAttribute:NSWritingDirectionAttributeNamevalue:@[@(NSWritingDirectionRightToLeft|NSWritingDirectionOverride)] range:NSMakeRange(0, attrStr.length)];

橫豎排版NSVerticalGlyphFormAttributeName

下劃線NSUnderlineStyleAttributeName

中劃線NSStrikethroughStyleAttributeName

網(wǎng)址鏈接NSLinkAttributeName

圖文混排

NSMutableAttributedString* attrStr = [[NSMutableAttributedStringalloc] initWithString:@"這是一個富文本字符串！"];// 創(chuàng)建一個文字附件對象NSTextAttachment*textAttachment = [[NSTextAttachmentalloc] init];textAttachment.image = [UIImageimageNamed:@"11.png"];//設(shè)置圖片源textAttachment.bounds =CGRectMake(0,-6,30,30);//設(shè)置圖片位置和大小// 將文字附件轉(zhuǎn)換成屬性字符串NSAttributedString*attachmentAttrStr = [NSAttributedStringattributedStringWithAttachment:textAttachment];// 將轉(zhuǎn)換成屬性字符串插入到目標(biāo)字符串[attrStr insertAttributedString:attachmentAttrStr atIndex:8];

段落

NSMutableParagraphStyle*paragraphStyle = [[NSMutableParagraphStylealloc] init];// 行間距paragraphStyle.lineSpacing =15.f;// 段落間距paragraphStyle.paragraphSpacing =30.f;// 段落縮進(jìn)像素paragraphStyle.firstLineHeadIndent =40.f;// 整體縮進(jìn)像素paragraphStyle.headIndent =15.f;// 對齊方式paragraphStyle.alignment =NSTextAlignmentLeft;

NSMutableAttributedString* attrStr = [[NSMutableAttributedStringalloc] initWithString:@"這是一個富文本字符串。\n這是一個富文本字符串？\n這是一個富文本字符串！"];[attrStr addAttribute:NSParagraphStyleAttributeNamevalue:paragraphStyle range:NSMakeRange(0, attrStr.length)];

//?NSFontAttributeName????????????????設(shè)置字體屬性，默認(rèn)值：字體：Helvetica(Neue)?字號：12??

//?NSForegroundColorAttributeNam??????設(shè)置字體顏色，取值為?UIColor對象，默認(rèn)值為黑色??

//?NSBackgroundColorAttributeName?????設(shè)置字體所在區(qū)域背景顏色，取值為?UIColor對象，默認(rèn)值為nil,?透明色??

//?NSLigatureAttributeName????????????設(shè)置連體屬性，取值為NSNumber?對象(整數(shù))，0?表示沒有連體字符，1?表示使用默認(rèn)的連體字符??

//?NSKernAttributeName????????????????設(shè)定字符間距，取值為?NSNumber?對象（整數(shù)），正值間距加寬，負(fù)值間距變窄??

//?NSStrikethroughStyleAttributeName??設(shè)置刪除線，取值為?NSNumber?對象（整數(shù)）??

//?NSStrikethroughColorAttributeName??設(shè)置刪除線顏色，取值為?UIColor?對象，默認(rèn)值為黑色??

//?NSUnderlineStyleAttributeName??????設(shè)置下劃線，取值為?NSNumber?對象（整數(shù)），枚舉常量?NSUnderlineStyle中的值，與刪除線類似??

//?NSUnderlineColorAttributeName??????設(shè)置下劃線顏色，取值為?UIColor?對象，默認(rèn)值為黑色??

//?NSStrokeWidthAttributeName?????????設(shè)置筆畫寬度，取值為?NSNumber?對象（整數(shù)），負(fù)值填充效果，正值中空效果??

//?NSStrokeColorAttributeName?????????填充部分顏色，不是字體顏色，取值為?UIColor?對象??

//?NSShadowAttributeName??????????????設(shè)置陰影屬性，取值為?NSShadow?對象??

//?NSTextEffectAttributeName??????????設(shè)置文本特殊效果，取值為?NSString?對象，目前只有圖版印刷效果可用：??

//?NSBaselineOffsetAttributeName??????設(shè)置基線偏移值，取值為?NSNumber?（float）,正值上偏，負(fù)值下偏??

//?NSObliquenessAttributeName?????????設(shè)置字形傾斜度，取值為?NSNumber?（float）,正值右傾，負(fù)值左傾??

//?NSExpansionAttributeName???????????設(shè)置文本橫向拉伸屬性，取值為?NSNumber?（float）,正值橫向拉伸文本，負(fù)值橫向壓縮文本??

//?NSWritingDirectionAttributeName????設(shè)置文字書寫方向，從左向右書寫或者從右向左書寫??

//?NSVerticalGlyphFormAttributeName???設(shè)置文字排版方向，取值為?NSNumber?對象(整數(shù))，0?表示橫排文本，1?表示豎排文本??

//?NSLinkAttributeName????????????????設(shè)置鏈接屬性，點(diǎn)擊后調(diào)用瀏覽器打開指定URL地址??

//?NSAttachmentAttributeName??????????設(shè)置文本附件,取值為NSTextAttachment對象,常用于文字圖片混排??

//?NSParagraphStyleAttributeName??????設(shè)置文本段落排版格式，取值為?NSParagraphStyle?對象??