说明： 中文分词工具，利用lucence的接口写的，进行最长匹配，正向和反向匹配后根据词数选择。别人写的，我用了，觉得不错，简单，上手快 (Chinese word segmentation tool lucence interface written for the longest match, the forward and reverse to match the number under the word choice. Someone else wrote, I used the think that a good, simple, on手快)
