iOS---TextView显示HTML文本

    _checkAllIntroduceTextView = [[UITextView alloc] initWithFrame:CGRectMake(10, 0, kScreenWidth-20, kScreenHeight)];

    _checkAllIntroduceTextView.backgroundColor = self.view.backgroundColor;

    _checkAllIntroduceTextView.returnKeyType=UIReturnKeyDone;

    _checkAllIntroduceTextView.delegate = self;

    _checkAllIntroduceTextView.showsVerticalScrollIndicator = NO;

    NSAttributedString *attributedString = [[NSAttributedString alloc] initWithData:[@"后台返回给你的html格式的字符串" dataUsingEncoding:NSUnicodeStringEncoding] options:@{ NSDocumentTypeDocumentAttribute: NSHTMLTextDocumentType } documentAttributes:nil error:nil];

    _checkAllIntroduceTextView.attributedText = attributedString;

    _checkAllIntroduceTextView.textColor = KColor_Gray_6;

    [self.view addSubview:_checkAllIntroduceTextView];

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