搜索引擎模块是一个很主要且常见的功能。一个好的搜索引擎能给用户使用带来方便。在“站内”选项卡下的搜索框中输入欲查询的关键词，如“PHP 字符串,处理技术！”，单击“极速搜索”按钮，系统会首先过滤欲查询关键词的标点符号，然后对过滤标点符号的关键词进行分词操作，接下来在数据库中检索与之匹配的信息资源。同时实现搜索计时及查询结果汇总功能，并在结果集中高亮显示查询关键词，最后以分页形式输出匹配结果给用户。-Search engine module is one of the main and common features. A good search engine to give users convenience. In the " station"　tab under the search box For more information on keywords, such as " PHP string processing technology!" , Click " Speed ​ ​ Search"　button, the system will first want to check keywords punctuation filtering symbols, punctuation marks and then filter the keywords word operation, the next match in the database to retrieve information resources. While achieving timing and results summary of the search function, and in the result set the query words highlighted, and finally to form the output matching results page to the user.