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IK分词源码下载地址：https://code.google.com/p/ik-analyzer/downloads/list
lucene源码下载地址：http://www.eu.apache.org/dist/lucene/java/
下载IK分词源码后，运行出现错误提示：
Analyzer cannot be resolved to a type TokenStream cannot be resolved to a type OffsetAttribute cannot be resolved to a type OffsetAttribute cannot be resolved to a type CharTermAttribute cannot be resolved to a type CharTermAttribute cannot be resolved to a type TypeAttribute cannot be resolved to a type TypeAttribute cannot be resolved to a type
解决办法：
在项目project -->clean 下即可
自定义分词规则步骤：
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原文地址：http://www.cnblogs.com/zhanggl/p/4773036.html
