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①辈Zǐ憘欢 / tire树敏感词过滤

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Apache-2.0

sensitive-word-filter

敏感词处理器,支持返回敏感词,高亮敏感词,替换敏感词等操作,算法为trie树实现,查找速度快。演示效果如下:

Alt 演示效果

trie树概述

又称单词查找树,trie树,是一种树形结构,是一种哈希树的变种。
典型应用是用于统计,排序和保存大量的字符串(但不仅限于字符串),所以经常被搜索引擎系统用于文本词频统计。
它的优点是:利用字符串的公共前缀来减少查询时间,最大限度地减少无谓的字符串比较,查询效率比哈希树高。
关于trie树详细信息请自行baidu

jar包下载地址 打开如下链接 点击View Raw

https://github.com/hailin0/sensitive-word-filter/blob/master/doc/sensitive-word-filter-0.0.1-SNAPSHOT.jar

代码示例

// 初始化敏感词
Set<KeyWord> kws1 = new HashSet<KeyWord>();
kws1.add(new KeyWord("黄色"));
kws1.add(new KeyWord("AV"));

Set<KeyWord> kws2 = new HashSet<KeyWord>();
kws2.add(new KeyWord("中国"));
kws2.add(new KeyWord("美国"));
kws2.add(new KeyWord("黄色"));

// 根据敏感词,初始化敏感词搜索器
KWSeeker kwSeeker1 = new KWSeeker(kws1);
KWSeeker kwSeeker2 = new KWSeeker(kws2);

// 搜索器组,构建敏感词管理器,可同时管理多个搜索器,map的key为自定义搜索器标识
Map<String, KWSeeker> seekers = new HashMap<String, KWSeeker>();
String wordType1 = "sensitive-word-1";
seekers.put(wordType1, kwSeeker1);
String wordType2 = "sensitive-word-2";
seekers.put(wordType2, kwSeeker2);

KWSeekerManage kwSeekerManage = new KWSeekerManage(seekers);

// 开始测试
String text1 = "这是一部黄色电影,也是一部AV电影";
System.out.println("原文:" + text1);
System.out.println("敏感词:" + kws1);
System.out.println("识别结果:");

List<SensitiveWordResult> words1 = kwSeekerManage.getKWSeeker(wordType1).findWords(text1);
System.out.println("返回敏感词及下标:" + words1);
String s1 = kwSeekerManage.getKWSeeker(wordType1).htmlHighlightWords(text1);
System.out.println("html高亮:" + s1);
String r1 = kwSeekerManage.getKWSeeker(wordType1).replaceWords(text1);
System.out.println("字符替换:" + r1);

System.out.println("\n=================================================\n");

// 开始测试
String text2 = "在中国这是一部黄色电影,在日本这不是一部黄色电影,在美国这不是一部黄色电影";
System.out.println("原文:" + text2);
System.out.println("敏感词:" + kws2);
System.out.println("识别结果:");

List<SensitiveWordResult> words2 = kwSeekerManage.getKWSeeker(wordType2).findWords(text2);
System.out.println("返回敏感词及下标:" + words2);
String s2 = kwSeekerManage.getKWSeeker(wordType2).htmlHighlightWords(text2);
System.out.println("html高亮:" + s2);
String r2 = kwSeekerManage.getKWSeeker(wordType2).replaceWords(text2);
System.out.println("字符替换:" + r2);

使用方法

使用者可以自己通过以上代码构建来调用,也可以使用已经封装好的SimpleKWSeekerProcessor.java
SimpleKWSeekerProcessor采用从配置文件初始化敏感词,并且是单例的,方便任何地方调用。
只需要在classpaht下加入配置文件sensitive-word.properties
配置文件的格式为:
敏感词配置key=value,key和value可以随意更改
key为敏感词的类型,value为敏感词,多个敏感词以'英文逗号'分割
因为.properties文件默认以Unicode编码保存中文。
所以如下配置内容想要以中文方式打开,可以通过浏览器打开在线转码的网站查看中文原文。
例:http://tool.chinaz.com/tools/unicode.aspx ,将如下内容粘贴到转码框,点击 Unicode转中文即可
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简介

敏感词处理器,支持返回敏感词,高亮敏感词,替换敏感词等操作,算法为trie树实现,查找速度快 展开 收起
Java
Apache-2.0
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tire树敏感词过滤
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