IKAnalyzer 中文分詞 高亮

建立索引

public void execute() 

public void creatcspindex(indexwriter iwriter) 
document doc = new document();
doc.add(new field("title",key,field.store.yes,field.index.analyzed));
doc.add(new field("content",contmap.get(key),field.store.yes,field.index.analyzed));
iwriter.adddocument(doc); 
}

directory directory = null;

indexsearcher is = null;
topdocs topdocs2 = null;
string keyword = "第二章提示使用者要求另外收費";
query query2 = ikqueryparser.parse("content", keyword); //
file indexdir = new file(path);
directory = ******fsdirectory.open(indexdir);
indexreader reader = indexreader.open(new ******fsdirectory(
indexdir));
is = new indexsearcher(reader);
is.setsimilarity(new iksimilarity());
topdocs2 = is.search(query2, 5);//搜尋前5個最相似的
scoredoc scoredocs = topdocs2.scoredocs;
//高亮設定
analyzer analyzer = new ikanalyzer();//設定分詞器
//設定高亮顯示的格式，也就是對高亮顯示的片語加上字首字尾
******htmlformatter ******htmlformatter = new ******htmlformatter("","");
highlighter highlighter = new highlighter(******htmlformatter,new queryscorer(query2));
highlighter.settextfragmenter(new ******fragmenter(150));
//設定每次返回的字元數.想必大家在使用搜尋引擎的時候也沒有一併把全部資料展示出來吧，當然這裡也是設定只展示部分資料
for(int i=0;i