jQuery实现点击查看更多的功能，折叠文字和展开文字，如果文本段落的内容比较多，则会自动出现一个“点击查看更多”的链接，点击后可展开和收拢正文部分，这样对网页排版有一定好处，一般情况下，默认状态下都是合拢的，当用户觉得需要的时候，可以点击后展开全部内容。-jQuery achieve Click for more functionality, folding and unfolding text text, if the contents are more paragraphs of text, it will automatically appear a　click to see more　link, click on the body part can be expanded and collapsed, so that the web publishing there are certain benefits, under normal circumstances, are closed by default, when the user feel needed, you can click the expand all content.