/// <summary>
/// 导入外部词库，词频按照重合词频比例平均值
/// </summary>
/// <param name="ImportDicFile">外部词库文件名</param>
/// <param name="ImportEncoding">外部词库文件编码</param>
/// <param name="SourceDicFile">源dct文件名</param>
/// <param name="DestDicFile">目标dct文件名</param>
/// <param name="DicFormat">外部词库类型</param>
/// <param name="OddLines">导入的库中无效且不在源库中的数据</param>
/// <param name="ImportFrqRate">设置固定的导入文件频度比例（除以此数字后入库,小于等于0则按照AvgFrqRate入库）</param>
/// <param name="AvgFrqRate">导入文件的平均频度比例</param>
/// <returns>导入的条数</returns>
public static int ImportDictionary(string ImportDicFile, Encoding ImportEncoding, string SourceDicFile, string DestDicFile, DictionaryFormat DicFormat, out string[] OddLines, out double AvgFrqRate, double ImportFrqRate = 0)
{
//初始化
double MaxFrqRate, MinFrqRate;
WordDictionary.DicWordInfo[] NewWords;
WordDictionary.DicWordInfo[] ExistWords;
FindDifferent(ImportDicFile, ImportEncoding, DicFormat, SourceDicFile, out OddLines, out NewWords, out ExistWords, out MaxFrqRate, out MinFrqRate, out AvgFrqRate);
//加载词库
WordDictionary dict = new WordDictionary();
if (!dict.Load(SourceDicFile))
throw new Exception("load source dic file fail");
//加入新词
foreach (WordDictionary.DicWordInfo Word in NewWords)
{
int Frq = Convert.ToInt32(ImportFrqRate <= 0 ? Word.Frequence / AvgFrqRate : Word.Frequence / ImportFrqRate);
dict.AddWord(Word.Word, Word.Pos, Frq);
}
//保存
dict.Save(DestDicFile);
dict.ReleaseDict();
return NewWords.Length;
}
