/// <summary> /// 查找并替换 /// </summary> /// <param name="replaceChar"></param> public string Filter(char replaceChar) { string blackstring = ""; LoadDictionary(); if (sourctText != string.Empty) { char[] tempString = sourctText.ToCharArray();; for (int i = 0; i < SourctText.Length; i++) { //查询以该字为首字符的词组 WordGroup group = MEMORYLEXICON[(int)ToDBC(SourctText)[i]]; if (group != null) { for (int z = 0; z < group.Count(); z++) { string word = group.GetWord(z); if (word.Length == 0 || Check(word)) { string blackword = string.Empty; for (int pos = 0; pos < wordlenght + 1; pos++) { blackword += tempString[pos + cursor].ToString(); blackstring += tempString[pos + cursor]; tempString[pos + cursor] = replaceChar; } illegalWords.Add(blackword); cursor = cursor + wordlenght; i = i + wordlenght; } } } cursor++; } return(blackstring); //return new string(tempString); } else { return(string.Empty); } }
/// <summary> /// 加载内存词库 /// </summary> private void LoadDictionary() { if (DictionaryPath != string.Empty) { List <string> wordList = new List <string>(); Array.Clear(MEMORYLEXICON, 0, MEMORYLEXICON.Length); string[] words = System.IO.File.ReadAllLines(DictionaryPath, System.Text.Encoding.Default); //将敏感字文件读取出来 foreach (string word in words) { string key = this.ToDBC(word).Replace(" ", ""); //全角转半角? if (key != string.Empty) { wordList.Add(key); } // wordList.Add(Microsoft.VisualBasic.Strings.StrConv(key, Microsoft.VisualBasic.VbStrConv.TraditionalChinese, 0)); } Comparison <string> cmp = delegate(string key1, string key2) { return(key1.CompareTo(key2)); }; wordList.Sort(cmp); for (int i = wordList.Count - 1; i > 0; i--) { if (wordList[i].ToString() == wordList[i - 1].ToString()) //检查有没有重复 { wordList.RemoveAt(i); } } foreach (var word in wordList) { WordGroup group = MEMORYLEXICON[(int)word[0]]; //首字母分类 if (group == null) { group = new WordGroup(); MEMORYLEXICON[(int)word[0]] = group; } group.Add(word.Substring(1)); } } }
/// <summary> /// 初始化字典 /// </summary> private void initDictionary(ref string[] words) { List <string> wordList = new List <string>(); Array.Clear(MEMORYLEXICON, 0, MEMORYLEXICON.Length); foreach (string word in words) { if (word.Equals("")) { continue; } string key = this.ToDBC(word); wordList.Add(key); } Comparison <string> cmp = delegate(string key1, string key2) { return(key1.CompareTo(key2)); }; wordList.Sort(cmp); for (int i = wordList.Count - 1; i > 0; i--) { if (wordList[i].ToString() == wordList[i - 1].ToString()) { wordList.RemoveAt(i); } } foreach (var word in wordList) { WordGroup group = MEMORYLEXICON[(int)word[0]]; if (group == null) { group = new WordGroup(); MEMORYLEXICON[(int)word[0]] = group; } group.Add(word.Substring(1)); } }