PHP多关键词搜索排序有关问题
PHP多关键词搜索排序问题
我用PHP做了一个简单的分词搜索。基本功能已经实现。但是遇到一个小问题。
我希望在搜索结果中。最匹配的记录排在前面。
比如说。我 搜索 ‘中国人民’ 这个关键词，分词后的结果 是 ‘中国’，‘人民’，
在搜索结果中有三条记录。
ID1 我们中国广大人民群众
ID2 中国人民银行
ID3 人民群众
我希望排序 是
ID2 中国人民银行
ID1 我们中国广大人民群众
ID3 人民群众
怎样才能实现这样的排序呢？
------解决方案--------------------
需要有权重，一般根据搜索频度产生，你也可自己设定，就和排序字段一样
------解决方案--------------------
1.搜索出所有结果
2.按照需要进行正则匹配 当然正则规律需要你自己写得够完美
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