ios开发--图文混排（富文本）

/**
iOS6之前：CoreText,纯C语言,极其蛋疼
iOS6开始：NSAttributedString,简单易用
iOS7开始：TextKit,功能强大,简单易用
*/

-(void)setupTextView
{
//富文本技术：
//1.图文混排
//2.随意修改文字样式
//self.textView.text=@"哈哈4365746875";
//self.textView.textColor=[UIColorblueColor];
NSMutableAttributedString*string=[[NSMutableAttributedStringalloc]initWithString:@"哈哈🌺123456"];
//设置“哈哈”为蓝色
[stringaddAttribute:NSForegroundColorAttributeNamevalue:[UIColorblueColor]range:NSMakeRange(0,2)];
[stringaddAttribute:NSFontAttributeNamevalue:[UIFontsystemFontOfSize:30]range:NSMakeRange(0,2)];
[stringaddAttribute:NSBackgroundColorAttributeNamevalue:[UIColorredColor]range:NSMakeRange(0,2)];

//设置“456”为红色
[stringaddAttribute:NSForegroundColorAttributeNamevalue:[UIColorredColor]range:NSMakeRange(6,2)];
[stringaddAttribute:NSFontAttributeNamevalue:[UIFontboldSystemFontOfSize:24]range:NSMakeRange(6,2)];
[stringaddAttribute:NSUnderlineStyleAttributeNamevalue:@(NSUnderlineStyleSingle)range:NSMakeRange(6,2)];

//创建图片图片附件
NSTextAttachment*attach=[[NSTextAttachmentalloc]init];
attach.image=[UIImageimageNamed:@"d_aini.jpeg"];
attach.bounds=CGRectMake(10,12,50,50);
NSAttributedString*attachString=[NSAttributedStringattributedStringWithAttachment:attach];

[stringappendAttributedString:attachString];

[stringappendAttributedString:[[NSAttributedStringalloc]initWithString:@"789"]];

self.descTV.attributedText=string;

/**
iOS6之前：CoreText,纯C语言,极其蛋疼
iOS6开始：NSAttributedString,简单易用
iOS7开始：TextKit,功能强大,简单易用
*/
}