词频统计就是统计一个句子或一篇文章中各种词出现的频率，它是中文信息处理的一项基本技术，在很多领域中都有重要的应用。例如在中文搜索引擎（如Google、百度）中，除特别常用的词以外，一篇文章中出现频率较高的词通常能反映这篇文章的主题，因此可以使用词频来对中文文章进行归类。本案例实现按词表对文章中的词语进行分析，并按字典序给出词表中各词语在文章中出现的次数。-Frequency Statistics is a statistical one sentence or an article in the frequency of various words, it is a basic Chinese information processing technology, many areas have important applications. For example, in the Chinese search engines (such as Google, Baidu), in addition to the special words commonly used outside an article in the high frequency words usually reflect the theme of this article, so you can use the word frequency to classify the Chinese articles . This case achieved by vocabulary words on the article in the analysis, according to the dictionary each sequence is given vocabulary words in the article in the number of occurrences.