iOS，UITextView中显示html文本

UITextView *textView = [[UITextView alloc] initWithFrame:CGRectMake(20, 30, 20, 114)]

textView.backgroundColor = [UIColor redColor]

[self.view addSubview:textView]

NSString *htmlString = @"<h1>Header</h1><h2&gtSubheader</h2>&ltp>Some <em>text</em></p>"

NSAttributedString *attributedString = [[NSAttributedString alloc] initWithData: [htmlString dataUsingEncoding:NSUnicodeStringEncoding] options: @{ NSDocumentTypeDocumentAttribute: NSHTMLTextDocumentType } documentAttributes: nil error: nil]

textView.attributedText = attributedString

UITextView*textView = [[UITextViewalloc]initWithFrame:CGRectMake(20,30,100,199)]

textView.backgroundColor = [UIColor redColor]

[self.view addSubview:textView]

NSString *htmlString = @"<h1>header</h1><h2>Subheader</h2><p>Some<em>text</em></p>"

NSAttributedString *attributedString = [[NSAttributedString alloc] initWithData: [htmlString dataUsingEncoding:NSUnicodeStringEncoding] options: @{ NSDocumentTypeDocumentAttribute: NSHTMLTextDocumentType } documentAttributes: nil error: nil]

textView.attributedText = attributedString

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