./bin/elasticsearch-plugin install https://github.com/medcl/elasticsearch-analysis-ik/releases/download/v6.0.0/elasticsearch-analysis-ik-6.0.0.zip

ps -ef | grep elastic

kill 12776

./bin/sh elastic search –d

GET _analyze 
{ 
   "analyzer":"ik_max_word",
   "text":"中华人民共和国国歌"
}

{
   "tokens": [
     {
       "token": "中华人民共和国",
       "start_offset": 0,
       "end_offset": 7,
       "type": "CN_WORD",
       "position": 0
     },
     {
       "token": "中华人民",
       "start_offset": 0,
       "end_offset": 4,
       "type": "CN_WORD",
       "position": 1
     },
     {
       "token": "中华",
       "start_offset": 0,
       "end_offset": 2,
       "type": "CN_WORD",
       "position": 2
     },
     {
       "token": "华人",
       "start_offset": 1,
       "end_offset": 3,
       "type": "CN_WORD",
       "position": 3
     },
     {
       "token": "人民共和国",
       "start_offset": 2,
       "end_offset": 7,
       "type": "CN_WORD",
       "position": 4
     },
     {
       "token": "人民",
       "start_offset": 2,
       "end_offset": 4,
       "type": "CN_WORD",
       "position": 5
     },
     {
       "token": "共和国",
       "start_offset": 4,
       "end_offset": 7,
       "type": "CN_WORD",
       "position": 6
     },
     {
       "token": "共和",
       "start_offset": 4,
       "end_offset": 6,
       "type": "CN_WORD",
       "position": 7
     },
     {
       "token": "国",
       "start_offset": 6,
       "end_offset": 7,
       "type": "CN_CHAR",
       "position": 8
     },
     {
       "token": "国歌",
       "start_offset": 7,
       "end_offset": 9,
       "type": "CN_WORD",
       "position": 9
     }
   ]
}

GET _analyze 
{ 
   "analyzer":"ik_smart",
   "text":"中华人民共和国国歌"
}

{
   "tokens": [
     {
       "token": "中华人民共和国",
       "start_offset": 0,
       "end_offset": 7,
       "type": "CN_WORD",
       "position": 0
     },
     {
       "token": "国歌",
       "start_offset": 7,
       "end_offset": 9,
       "type": "CN_WORD",
       "position": 1
     }
   ]
}

@Test
public void analyzer_ik_max_word() throws Exception {
     java.lang.String text = "提前祝大家春节快乐！";

    TransportClient client = EsClient.get();
     AnalyzeRequest request = (new AnalyzeRequest()).analyzer("ik_max_word").text(text);
     List<AnalyzeResponse.AnalyzeToken> tokens = client.admin().indices().analyze(request).actionGet().getTokens();
     System.out.println(tokens.size());//6
     for (AnalyzeResponse.AnalyzeToken token : tokens) {
         System.out.println(token.getTerm() + " ");
     }
}

6
提前 
祝 
大家 
春节快乐 
春节 
快乐

@Test
public void analyzer_ik_smart() throws Exception {
     java.lang.String text = "提前祝大家春节快乐！";

    TransportClient client = EsClient.get();
     AnalyzeRequest request = (new AnalyzeRequest()).analyzer("ik_smart").text(text);
     List<AnalyzeResponse.AnalyzeToken> tokens = client.admin().indices().analyze(request).actionGet().getTokens();
     System.out.println(tokens.size());
     for (AnalyzeResponse.AnalyzeToken token : tokens) {
         System.out.println(token.getTerm() + " ");
     }
}

4
提前 
祝 
大家 
春节快乐