private static void InitDict()
{
if (LuceneNetConfig.ChildrenCultureDirectoryList != null && LuceneNetConfig.ChildrenCultureDirectoryList.Count > 0)
{
lock (lockObject)
{
string applicationPath = null;
foreach (string childDirectory in LuceneNetConfig.ChildrenCultureDirectoryList)
{
applicationPath = Path.Combine(LuceneNetConfig.LuceneDictDirectory, childDirectory, SYNONYM_FILE_NAME);
if (File.Exists(applicationPath))
{
Dictionary <string, string[]> synonymsDict = new Dictionary <string, string[]>();
Encoding encoding = EncodingType.GetType(applicationPath);
using (StreamReader sr = new StreamReader(applicationPath, encoding))
{
while (!sr.EndOfStream)
{
string line = sr.ReadLine();
if (!string.IsNullOrEmpty(line))
{
string[] synonymsWords = SplitWordTool.SplitWord(line);
if (synonymsWords.Length > 0)
{
synonymsDict[line] = synonymsWords;
}
}
}
}
_SynonymsDict[childDirectory] = synonymsDict;
}
}
}
}
}
/// <summary>
/// 获取同义词，相关词
/// </summary>
/// <param name="keyWord"></param>
/// <param name="language"></param>
/// <returns></returns>
public static List <string> GetKeyWordsWithSynonyms(string keyWord, string language = "EN")
{
List <string> wordList = new List <string>();
string[] keywords = SplitWordTool.SplitWord(keyWord);
foreach (string word in keywords)
{
string item = SplitWordTool.SnowballWord(word, language);
wordList.AddRange(SynonymDict.GetSynonymsWord(language, item));
}
return(wordList);
}
/// <summary>
/// 搜索结果高亮显示
/// </summary>
/// <param name="keyword">关键字</param>
/// <param name="content">搜索结果</param>
/// <returns>高亮后显示的结果</returns>
public static string HighLight(string keyword, string content)
{
string[] keywords = SplitWordTool.SplitWord(keyword);
bool isInclude = false;
if (keywords.Length > 1)
{
content = HighLight(keyword, content, out isInclude);
}
if (!isInclude)
{
foreach (string word in keywords)
{
content = HighLight(word, content, out isInclude);
}
}
return(content);
}
/// <summary>
/// 得到关键字
/// </summary>
/// <param name="keyword"></param>
/// <returns></returns>
public static string GetKeyWords(string keyword)
{
string[] keywords = SplitWordTool.SplitWord(keyword);
return(GetKeyWords(keywords));
}