小型开源搜索引擎（php+mysql）：sphider
Thursday, August 28th, 2008 | 建站攻略, 搜索引擎优化
Nickyhu最近在研究搜索算法，有点云里雾里。伟大的google之所以伟大，是因为他们玩的东西实在是深奥，如此庞大的索引，如此迅捷的反应速度，真不知他们是怎么搞出来的。云计算真叫人头晕。
同时，Nickyhu对wordpress的搜索一直心存不满，如此重要的功能，做得如此毛躁。就顺便google了一下“php开源搜索引擎”，发现了一个小玩意：sphider。
sphider的介绍：
Sphider is a lightweight web spider and search engine written in PHP, using MySQL as its back end database. It is a great tool for adding search functionality to your web site or building your custom search engine. Sphider is small, easy to set up and modify, and is used in thousands of websites across the world.
Sphider supports all standard search options, but also includes a plethora of advanced features such as word autocompletion, spelling suggestions etc. The sophisticated adminstration interface makes administering the system easy. The full list of Sphider features can be seen in the about section; also be sure to check out the demo and take a look at the showcase, displaying some sites running Sphider. If you run into problems, you can probably get an answer to your question in the forum.
我使用下来的感觉是：
1 安装方便，适合个人博客作为站内搜索引擎
2 对中文支持不错，尽管没有英文的好
3 仅支持标题和meta中网页描述的索引，不是很全面
4 索引的文件较大，挺占用空间的
5 对一般的php+mysql虚拟空间都支持
看看Nickyhu用sphider搭建的博客站内搜索：http://www.nickyhu.com/search/search.php
结果都还不错，不信你点点看：）
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