时间紧张，先记一笔，后续优化与完善。
DTHTMLAttrivutedStringBuilder
Initializes and returns a new `NSAttributedString` object from the HTML contained in the given object and base URL.
Options can be:
- DTMaxImageSize: the maximum CGSize that a text attachment can fill
- DTDefaultFontFamily: the default font family to use instead of Times New Roman
- DTDefaultFontSize: the default font size to use instead of 12
- DTDefaultTextColor: the default text color
- DTDefaultLinkColor: the default color for hyperlink text
- DTDefaultLinkDecoration: the default decoration for hyperlinks
- DTDefaultLinkHighlightColor: the color to show while the hyperlink is highlighted
- DTDefaultTextAlignment: the default text alignment for paragraphs
- DTDefaultLineHeightMultiplier: The multiplier for line heights
- DTDefaultFirstLineHeadIndent: The default indent for left margin on first line
- DTDefaultHeadIndent: The default indent for left margin except first line
- DTDefaultListIndent: The amount by which lists are indented
- DTDefaultStyleSheet: The default style sheet to use
- DTUseiOS6Attributes: use iOS 6 attributes for building (UITextView compatible)
- DTWillFlushBlockCallBack: a block to be executed whenever content is flushed to the output string
@param data The data in HTML format from which to create the attributed string.
@param options Specifies how the document should be loaded. Contains values described in NSAttributedString(HTML).
@param docAttributes Currently not in used.
@returns Returns an initialized object, or `nil` if the data can’t be decoded.
Options can be:
- DTMaxImageSize: the maximum CGSize that a text attachment can fill
- DTDefaultFontFamily: the default font family to use instead of Times New Roman
- DTDefaultFontSize: the default font size to use instead of 12
- DTDefaultTextColor: the default text color
- DTDefaultLinkColor: the default color for hyperlink text
- DTDefaultLinkDecoration: the default decoration for hyperlinks
- DTDefaultLinkHighlightColor: the color to show while the hyperlink is highlighted
- DTDefaultTextAlignment: the default text alignment for paragraphs
- DTDefaultLineHeightMultiplier: The multiplier for line heights
- DTDefaultFirstLineHeadIndent: The default indent for left margin on first line
- DTDefaultHeadIndent: The default indent for left margin except first line
- DTDefaultListIndent: The amount by which lists are indented
- DTDefaultStyleSheet: The default style sheet to use
- DTUseiOS6Attributes: use iOS 6 attributes for building (UITextView compatible)
- DTWillFlushBlockCallBack: a block to be executed whenever content is flushed to the output string
@param data The data in HTML format from which to create the attributed string.
@param options Specifies how the document should be loaded. Contains values described in NSAttributedString(HTML).
@param docAttributes Currently not in used.
@returns Returns an initialized object, or `nil` if the data can’t be decoded.
文章结束给大家分享下程序员的一些笑话语录：
一程序员告老还乡，想安度晚年，于是决定在书法上有所造诣。省略数字……，准备好文房4宝，挥起毛笔在白纸上郑重的写下：Hello World