public static CRFModel load(String path)
    {
        CRFModel model = loadBin(path + BIN_EXT);
        if (model != null) return model;
        return loadTxt(path, new CRFModel(new DoubleArrayTrie<FeatureFunction>()));
    }
public static CRFModel load ( String path ) { CRFModel model = loadBin ( path + BIN_EXT ) ; if ( model != null ) return model ; return loadTxt ( path , new CRFModel ( new DoubleArrayTrie < FeatureFunction > ( ) ) ) ; }
加载CRF++模型<br>
如果存在缓存的话，优先读取缓存，否则读取txt，并且建立缓存

@param path txt的路径，即使不存在.txt，只存在.bin，也应传入txt的路径，方法内部会自动加.bin后缀
@return