Jest示例代码如下:
package com.fendo.JestClient;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Arrays;
import java.util.Date;
import java.util.List;
import java.util.Map;
import org.elasticsearch.action.search.SearchResponse;
import org.elasticsearch.index.query.QueryBuilder;
import org.elasticsearch.index.query.QueryBuilders;
import io.searchbox.core.SearchResult.Hit;
import io.searchbox.core.Suggest;
import io.searchbox.core.SuggestResult;
import io.searchbox.core.Update;
import org.elasticsearch.search.builder.SearchSourceBuilder;
import org.elasticsearch.search.fetch.subphase.highlight.HighlightBuilder;
import org.elasticsearch.search.fetch.subphase.highlight.HighlightField;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import com.fendo.entity.CsdnBlog;
import com.google.gson.GsonBuilder;
import com.google.gson.JsonObject;
import io.searchbox.client.JestClient;
import io.searchbox.client.JestClientFactory;
import io.searchbox.client.JestResult;
import io.searchbox.client.config.HttpClientConfig;
import io.searchbox.cluster.Health;
import io.searchbox.cluster.NodesInfo;
import io.searchbox.cluster.NodesStats;
import io.searchbox.core.Bulk;
import io.searchbox.core.Count;
import io.searchbox.core.CountResult;
import io.searchbox.core.Delete;
import io.searchbox.core.DocumentResult;
import io.searchbox.core.Get;
import io.searchbox.core.Index;
import io.searchbox.core.Search;
import io.searchbox.core.SearchResult;
import io.searchbox.indices.ClearCache;
import io.searchbox.indices.CloseIndex;
import io.searchbox.indices.CreateIndex;
import io.searchbox.indices.DeleteIndex;
import io.searchbox.indices.Flush;
import io.searchbox.indices.IndicesExists;
import io.searchbox.indices.Optimize;
import io.searchbox.indices.mapping.PutMapping;
/**
* Elasticserach jestClient示例
* @author fendo
*
*/
public class Jest {
private static JestClient jestClient;
private static String indexName = "article";
private static String typeName = "content";
@Before
public void getClient() throws Exception{
JestClientFactory factory = new JestClientFactory();
factory.setHttpClientConfig(new HttpClientConfig
.Builder("http://localhost:9200")
.gson(new GsonBuilder().setDateFormat("yyyy-MM-dd'T'hh:mm:ss").create())
.connTimeout(1500)
.readTimeout(3000)
.multiThreaded(true)
.build());
jestClient=factory.getObject();
}
@After
public void tearDown() throws Exception {
closeJestClient(jestClient);
}
/**
* 关闭JestClient客户端
* @param jestClient
* @throws Exception
*/
public void closeJestClient(JestClient jestClient) throws Exception {
if (jestClient != null) {
jestClient.shutdownClient();
}
}
/**
* ---------------------------测试--------------------------
*/
/**
* 创建索引
* @throws Exception
*/
@Test
public void createIndex() throws Exception {
JestResult jr = jestClient.execute(new CreateIndex.Builder(indexName).build());
System.out.println(jr.isSucceeded());
}
/**
* Put映射
* @throws Exception
*/
@Test
public void createIndexMapping() throws Exception {
String source = "{\"" + typeName + "\":{\"properties\":{"
+ "\"author\":{\"type\":\"string\",\"index\":\"not_analyzed\"}"
+ ",\"title\":{\"type\":\"string\"}"
+ ",\"content\":{\"type\":\"string\"}"
+ ",\"price\":{\"type\":\"string\"}"
+ ",\"view\":{\"type\":\"string\"}"
+ ",\"tag\":{\"type\":\"string\"}"
+ ",\"date\":{\"type\":\"date\",\"format\":\"yyy-MM-dd HH:mm:ss||yyyy-MM-dd||epoch_millis\"}"
+ "}}}";
System.out.println(source);
PutMapping putMapping = new PutMapping.Builder(indexName, typeName, source).build();
JestResult jr = jestClient.execute(putMapping);
System.out.println(jr.isSucceeded());
}
/**
* 插入多个
* @throws IOException
*/
@Test
public void insertMultiple() throws IOException{
CsdnBlog csdnBlog1=new CsdnBlog();
csdnBlog1.setAuthor("AAAA");
csdnBlog1.setTitile("中国获租巴基斯坦瓜达尔港2000亩土地 为期43年");
csdnBlog1.setContent("据了解，瓜达尔港务局于今年6月完成了1500亩土地的征收工作，另外500亩的征收工作也将很快完成");
csdnBlog1.setDate(new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss").format(new Date()));
csdnBlog1.setView("100");
csdnBlog1.setTag("JAVA,ANDROID,C++,LINUX");
CsdnBlog csdnBlog2=new CsdnBlog();
csdnBlog2.setAuthor("BBBB");
csdnBlog2.setTitile("中国获租巴基斯坦瓜达尔港2000亩土地 为期43年");
csdnBlog2.setContent("据了解，瓜达尔港务局于今年6月完成了1500亩土地的征收工作，另外500亩的征收工作也将很快完成");
csdnBlog2.setDate(new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss").format(new Date()));
csdnBlog2.setView("200");
csdnBlog2.setTag("JAVA,ANDROID,C++,LINUX");
CsdnBlog csdnBlog3=new CsdnBlog();
csdnBlog3.setAuthor("CCCC");
csdnBlog3.setTitile("中国获租巴基斯坦瓜达尔港2000亩土地 为期43年");
csdnBlog3.setContent("据了解，瓜达尔港务局于今年6月完成了1500亩土地的征收工作，另外500亩的征收工作也将很快完成");
csdnBlog3.setDate(new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss").format(new Date()));
csdnBlog3.setView("300");
csdnBlog3.setTag("JAVA,ANDROID,C++,LINUX");
CsdnBlog csdnBlog4=new CsdnBlog();
csdnBlog4.setAuthor("CCCC");
csdnBlog4.setTitile("中国获租巴基斯坦瓜达尔港2000亩土地 为期43年");
csdnBlog4.setContent("据了解，瓜达尔港务局于今年6月完成了1500亩土地的征收工作，另外500亩的征收工作也将很快完成");
csdnBlog4.setDate(new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss").format(new Date()));
csdnBlog4.setView("400");
csdnBlog4.setTag("JAVA,ANDROID,C++,LINUX");
Index index1 = new Index.Builder(csdnBlog1).index("article").type("article").build();
Index index2 = new Index.Builder(csdnBlog2).index("article").type("article").build();
Index index3 = new Index.Builder(csdnBlog3).index("article").type("article").build();
Index index4 = new Index.Builder(csdnBlog4).index("article").type("article").build();
JestResult jestResult1 = jestClient.execute(index1);
System.out.println(jestResult1.getJsonString());
JestResult jestResult2 = jestClient.execute(index2);
System.out.println(jestResult2.getJsonString());
JestResult jestResult3 = jestClient.execute(index3);
System.out.println(jestResult3.getJsonString());
JestResult jestResult4 = jestClient.execute(index3);
System.out.println(jestResult4.getJsonString());
}
/**
* Bulk插入数据
* @throws IOException
*/
@Test
public void bulkIndex() throws IOException{
CsdnBlog csdnBlog1=new CsdnBlog();
csdnBlog1.setAuthor("AAAA");
csdnBlog1.setTitile("中国获租巴基斯坦瓜达尔港2000亩土地 为期43年");
csdnBlog1.setContent("据了解，瓜达尔港务局于今年6月完成了1500亩土地的征收工作，另外500亩的征收工作也将很快完成");
csdnBlog1.setDate(new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss").format(new Date()));
csdnBlog1.setView("100");
csdnBlog1.setTag("JAVA,ANDROID,C++,LINUX");
CsdnBlog csdnBlog2=new CsdnBlog();
csdnBlog2.setAuthor("BBBB");
csdnBlog2.setTitile("中国获租巴基斯坦瓜达尔港2000亩土地 为期43年");
csdnBlog2.setContent("据了解，瓜达尔港务局于今年6月完成了1500亩土地的征收工作，另外500亩的征收工作也将很快完成");
csdnBlog2.setDate(new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss").format(new Date()));
csdnBlog2.setView("200");
csdnBlog2.setTag("JAVA,ANDROID,C++,LINUX");
CsdnBlog csdnBlog3=new CsdnBlog();
csdnBlog3.setAuthor("CCCC");
csdnBlog3.setTitile("中国获租巴基斯坦瓜达尔港2000亩土地 为期43年");
csdnBlog3.setContent("据了解，瓜达尔港务局于今年6月完成了1500亩土地的征收工作，另外500亩的征收工作也将很快完成");
csdnBlog3.setDate(new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss").format(new Date()));
csdnBlog3.setView("300");
csdnBlog3.setTag("JAVA,ANDROID,C++,LINUX");
CsdnBlog csdnBlog4=new CsdnBlog();
csdnBlog4.setAuthor("CCCC");
csdnBlog4.setTitile("中国获租巴基斯坦瓜达尔港2000亩土地 为期43年");
csdnBlog4.setContent("据了解，瓜达尔港务局于今年6月完成了1500亩土地的征收工作，另外500亩的征收工作也将很快完成");
csdnBlog4.setDate(new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss").format(new Date()));
csdnBlog4.setView("400");
csdnBlog4.setTag("JAVA,ANDROID,C++,LINUX");
Bulk bulk = new Bulk.Builder()
.defaultIndex(indexName)
.defaultType(typeName)
.addAction(Arrays.asList(
new Index.Builder(csdnBlog1).build(),
new Index.Builder(csdnBlog2).build(),
new Index.Builder(csdnBlog3).build(),
new Index.Builder(csdnBlog4).build()
)).build();
JestResult jestResult=jestClient.execute(bulk);
System.out.println(jestResult.getJsonString());
}
/**
* 单值完全匹配查询
* @throws Exception
*/
@Test
public void termQuery() throws Exception {
SearchSourceBuilder searchSourceBuilder = new SearchSourceBuilder();
QueryBuilder queryBuilder = QueryBuilders
.termQuery("author", "T:o\"m-");//单值完全匹配查询
searchSourceBuilder.query(queryBuilder);
searchSourceBuilder.size(10);
searchSourceBuilder.from(0);
String query = searchSourceBuilder.toString();
System.out.println(query);
Search search = new Search.Builder(query)
.addIndex(indexName)
.addType(typeName)
.build();
SearchResult result = jestClient.execute(search);
List<Hit<Object, Void>> hits = result.getHits(Object.class);
System.out.println("Size:" + hits.size());
for (Hit<Object, Void> hit : hits) {
Object news = hit.source;
System.out.println(news.toString());
}
}
/**
* 多值完全匹配查询
* @throws Exception
*/
@Test
public void termsQuery() throws Exception {
SearchSourceBuilder searchSourceBuilder = new SearchSourceBuilder();
QueryBuilder queryBuilder = QueryBuilders
.termsQuery("author", new String[]{ "T:o\"m-", "J,e{r}r;y:" });//多值完全匹配查询
searchSourceBuilder.query(queryBuilder);
searchSourceBuilder.size(10);
searchSourceBuilder.from(0);
String query = searchSourceBuilder.toString();
System.out.println(query);
Search search = new Search.Builder(query)
.addIndex(indexName)
.addType(typeName)
.build();
SearchResult result = jestClient.execute(search);
List<Hit<Object, Void>> hits = result.getHits(Object.class);
System.out.println("Size:" + hits.size());
for (Hit<Object, Void> hit : hits) {
Object news = hit.source;
System.out.println(news.toString());
}
}
/**
* 通配符和正则表达式查询
* @throws Exception
*/
@Test
public void wildcardQuery() throws Exception {
SearchSourceBuilder searchSourceBuilder = new SearchSourceBuilder();
QueryBuilder queryBuilder = QueryBuilders
.wildcardQuery("title", "*:*");//通配符和正则表达式查询
searchSourceBuilder.query(queryBuilder);
searchSourceBuilder.size(10);
searchSourceBuilder.from(0);
String query = searchSourceBuilder.toString();
System.out.println(query);
Search search = new Search.Builder(query)
.addIndex(indexName)
.addType(typeName)
.build();
SearchResult result = jestClient.execute(search);
List<Hit<Object, Void>> hits = result.getHits(Object.class);
System.out.println("Size:" + hits.size());
for (Hit<Object, Void> hit : hits) {
Object news = hit.source;
System.out.println(news.toString());
}
}
/**
* 前缀查询
* @throws Exception
*/
@Test
public void prefixQuery() throws Exception {
SearchSourceBuilder searchSourceBuilder = new SearchSourceBuilder();
QueryBuilder queryBuilder = QueryBuilders
.prefixQuery("name", "T:o");//前缀查询
searchSourceBuilder.query(queryBuilder);
searchSourceBuilder.size(10);
searchSourceBuilder.from(0);
String query = searchSourceBuilder.toString();
System.out.println(query);
Search search = new Search.Builder(query)
.addIndex(indexName)
.addType(typeName)
.build();
SearchResult result = jestClient.execute(search);
List<Hit<Object, Void>> hits = result.getHits(Object.class);
System.out.println("Size:" + hits.size());
for (Hit<Object, Void> hit : hits) {
Object news = hit.source;
System.out.println(news.toString());
}
}
/**
* 区间查询
* @throws Exception
*/
@Test
public void rangeQuery() throws Exception {
SearchSourceBuilder searchSourceBuilder = new SearchSourceBuilder();
QueryBuilder queryBuilder = QueryBuilders
.rangeQuery("birth")
.gte("2016-09-01T00:00:00")
.lte("2016-10-01T00:00:00")
.includeLower(true)
.includeUpper(true);//区间查询
searchSourceBuilder.query(queryBuilder);
searchSourceBuilder.size(10);
searchSourceBuilder.from(0);
String query = searchSourceBuilder.toString();
System.out.println(query);
Search search = new Search.Builder(query)
.addIndex(indexName)
.addType(typeName)
.build();
SearchResult result = jestClient.execute(search);
List<Hit<Object, Void>> hits = result.getHits(Object.class);
System.out.println("Size:" + hits.size());
for (Hit<Object, Void> hit : hits) {
Object news = hit.source;
System.out.println(news.toString());
}
}
/**
* 文本检索，应该是将查询的词先分成词库中存在的词，然后分别去检索，存在任一存在的词即返回，查询词分词后是OR的关系。需要转义特殊字符
* @throws Exception
*/
@Test
public void queryString() throws Exception {
SearchSourceBuilder searchSourceBuilder = new SearchSourceBuilder();
//QueryBuilder queryBuilder = QueryBuilders
// .queryStringQuery(QueryParser.escape("T:o\""));//文本检索，应该是将查询的词先分成词库中存在的词，然后分别去检索，存在任一存在的词即返回，查询词分词后是OR的关系。需要转义特殊字符
//searchSourceBuilder.query(queryBuilder);
searchSourceBuilder.size(10);
searchSourceBuilder.from(0);
String query = searchSourceBuilder.toString();
System.out.println(query);
Search search = new Search.Builder(query)
.addIndex(indexName)
.addType(typeName)
.build();
SearchResult result = jestClient.execute(search);
List<Hit<Object, Void>> hits = result.getHits(Object.class);
System.out.println("Size:" + hits.size());
for (Hit<Object, Void> hit : hits) {
Object news = hit.source;
System.out.println(news.toString());
}
}
/**
* Count文档
* @throws Exception
*/
@Test
public void count() throws Exception {
String[] name = new String[]{ "T:o\"m-", "Jerry" };
String from = "2016-09-01T00:00:00";
String to = "2016-10-01T00:00:00";
SearchSourceBuilder searchSourceBuilder = new SearchSourceBuilder();
QueryBuilder queryBuilder = QueryBuilders.boolQuery()
.must(QueryBuilders.termsQuery("name", name))
.must(QueryBuilders.rangeQuery("birth").gte(from).lte(to));
searchSourceBuilder.query(queryBuilder);
String query = searchSourceBuilder.toString();
System.out.println(query);
Count count = new Count.Builder()
.addIndex(indexName)
.addType(typeName)
.query(query)
.build();
CountResult results = jestClient.execute(count);
Double counts = results.getCount();
System.out.println("Count:" + counts);
}
/**
* 根据IDGet文档
* @throws Exception
*/
@Test
public void get() throws Exception {
String id = "2";
Get get = new Get.Builder(indexName, id).type(typeName).build();
JestResult result = jestClient.execute(get);
if (result.isSucceeded()) {
Object news = result.getSourceAsObject(Object.class);
System.out.println(news.toString());
}
}
/**
* 根据ID删除文档
* @throws Exception
*/
@Test
public void deleteIndexDocument() throws Exception {
String id = "2";
DocumentResult dr = jestClient.execute(new Delete.Builder(id).index(indexName).type(typeName).build());
boolean result = dr.isSucceeded();
System.out.println(result);
}
/**
* 删除索引
* @throws Exception
*/
@Test
public void deleteIndex() throws Exception {
JestResult jr = jestClient.execute(new DeleteIndex.Builder(indexName).build());
boolean result = jr.isSucceeded();
System.out.println(result);
}
/**
* 将删除所有的索引
* @throws Exception
*/
@Test
public void deleteIndexAll() throws Exception {
DeleteIndex deleteIndex = new DeleteIndex.Builder("article").build();
JestResult result = jestClient.execute(deleteIndex);
System.out.println(result.getJsonString());
}
/**
* 清缓存
* @throws Exception
*/
@Test
public void clearCache() throws Exception {
ClearCache closeIndex = new ClearCache.Builder().build();
JestResult result = jestClient.execute(closeIndex);
System.out.println(result.getJsonString());
}
/**
* 关闭索引
* @throws Exception
*/
@Test
public void closeIndex() throws Exception {
CloseIndex closeIndex = new CloseIndex.Builder("article").build();
JestResult result = jestClient.execute(closeIndex);
System.out.println(result.getJsonString());
}
/**
* 优化索引
* @throws Exception
*/
@Test
public void optimize() throws Exception {
Optimize optimize = new Optimize.Builder().build();
JestResult result = jestClient.execute(optimize);
System.out.println(result.getJsonString());
}
/**
* 刷新索引
* @throws Exception
*/
@Test
public void flush() throws Exception {
Flush flush = new Flush.Builder().build();
JestResult result = jestClient.execute(flush);
System.out.println(result.getJsonString());
}
/**
* 判断索引目录是否存在
* @throws Exception
*/
@Test
public void indicesExists() throws Exception {
IndicesExists indicesExists = new IndicesExists.Builder("article").build();
JestResult result = jestClient.execute(indicesExists);
System.out.println(result.getJsonString());
}
/**
* 查看节点信息
* @throws Exception
*/
@Test
public void nodesInfo() throws Exception {
NodesInfo nodesInfo = new NodesInfo.Builder().build();
JestResult result = jestClient.execute(nodesInfo);
System.out.println(result.getJsonString());
}
/**
* 查看集群健康信息
* @throws Exception
*/
@Test
public void health() throws Exception {
Health health = new Health.Builder().build();
JestResult result = jestClient.execute(health);
System.out.println(result.getJsonString());
}
/**
* 节点状态
* @throws Exception
*/
@Test
public void nodesStats() throws Exception {
NodesStats nodesStats = new NodesStats.Builder().build();
JestResult result = jestClient.execute(nodesStats);
System.out.println(result.getJsonString());
}
/**
* 分页查询
* @throws Exception
*/
@Test
public void searchPage()throws Exception{
}
/**
* 更新Document
* @param index
* @param type
* @param id
* @throws Exception
*/
@Test
public void updateDocument() throws Exception {
CsdnBlog article = new CsdnBlog();
article.setTitile("中国3颗卫星拍到阅兵现场高清照");
article.setContent("据中国资源卫星应用中心报道，9月3日，纪念中国人民抗日战争暨世界反法西斯战争胜利70周年大阅兵在天安门广场举行。资源卫星中心针对此次盛事，综合调度在轨卫星，9月1日至3日连续三天持续观测首都北京天安门附近区域，共计安排5次高分辨率卫星成像。在阅兵当日，高分二号卫星、资源三号卫星及实践九号卫星实现三星联合、密集观测，捕捉到了阅兵现场精彩瞬间。为了保证卫星准确拍摄天安门及周边区域，提高数据处理效率，及时制作合格的光学产品，资源卫星中心运行服务人员从卫星观测计划制定、复核、优化到系统运行保障、光学产品图像制作，提前进行了周密部署，并拟定了应急预案，为圆满完成既定任务奠定了基础。");
article.setDate(new Date().toString());
article.setAuthor("匿名");
article.setView("110");
article.setTag("java,android");
String script = "{" +
" \"doc\" : {" +
" \"title\" : \""+article.getTitile()+"\"," +
" \"content\" : \""+article.getContent()+"\"," +
" \"author\" : \""+article.getAuthor()+"\"," +
" \"view\" : \""+article.getView()+"\"," +
" \"tag\" : \""+article.getTag()+"\"," +
" \"date\" : \""+new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss").format(article.getDate())+"\"" +
" }" +
"}";
Update update = new Update.Builder(script).index(indexName).type(typeName).id("").build();
JestResult result = jestClient.execute(update);
System.out.println(result.getJsonString());
}
/**
* 删除Document
* @param index
* @param type
* @param id
* @throws Exception
*/
@Test
public void deleteDocument() throws Exception {
Delete delete = new Delete.Builder("").index(indexName).type(typeName).build();
JestResult result = jestClient.execute(delete);
System.out.println(result.getJsonString());
}
/**
* 获取Document
* @param index
* @param type
* @param id
* @throws Exception
*/
@Test
public void getDocument() throws Exception {
Get get = new Get.Builder(indexName,"").type(typeName).build();
JestResult result = jestClient.execute(get);
CsdnBlog article = result.getSourceAsObject(CsdnBlog.class);
System.out.println(article.getTitile()+","+article.getContent());
}
/**
* Suggestion
* @throws Exception
*/
@Test
public void suggest() throws Exception{
String suggestionName = "my-suggestion";
Suggest suggest = new Suggest.Builder("{" +
" \"" + suggestionName + "\" : {" +
" \"text\" : \"the amsterdma meetpu\"," +
" \"term\" : {" +
" \"field\" : \"body\"" +
" }" +
" }" +
"}").build();
SuggestResult suggestResult = jestClient.execute(suggest);
System.out.println(suggestResult.isSucceeded());
List<SuggestResult.Suggestion> suggestionList = suggestResult.getSuggestions(suggestionName);
System.out.println(suggestionList.size());
for(SuggestResult.Suggestion suggestion:suggestionList){
System.out.println(suggestion.text);
}
}
/**
* 查询全部
* @throws Exception
*/
@Test
public void searchAll() throws Exception {
SearchSourceBuilder searchSourceBuilder = new SearchSourceBuilder();
searchSourceBuilder.query(QueryBuilders.matchAllQuery());
Search search = new Search.Builder(searchSourceBuilder.toString())
.addIndex(indexName)
.build();
SearchResult result = jestClient.execute(search);
System.out.println("本次查询共查到："+result.getTotal()+"篇文章！");
List<Hit<CsdnBlog,Void>> hits = result.getHits(CsdnBlog.class);
for (Hit<CsdnBlog, Void> hit : hits) {
CsdnBlog source = hit.source;
System.out.println("标题："+source.getTitile());
System.out.println("内容："+source.getContent());
System.out.println("浏览数："+source.getView());
System.out.println("标签："+source.getTag());
System.out.println("作者："+source.getAuthor());
}
}
/**
* 搜索高亮显示
* @throws Exception
*/
@Test
public void createSearch() throws Exception {
SearchSourceBuilder searchSourceBuilder = new SearchSourceBuilder();
searchSourceBuilder.query(QueryBuilders.termQuery("view", "200"));
HighlightBuilder highlightBuilder = new HighlightBuilder();
highlightBuilder.field("view");//高亮title
highlightBuilder.preTags("<em>").postTags("</em>");//高亮标签
highlightBuilder.fragmentSize(500);//高亮内容长度
searchSourceBuilder.highlighter(highlightBuilder);
System.out.println(searchSourceBuilder.toString());
Search search = new Search.Builder(searchSourceBuilder.toString())
.addIndex(indexName)
.build();
SearchResult result = jestClient.execute(search);
System.out.println(result.getJsonString());
System.out.println("本次查询共查到："+result.getTotal()+"篇文章！");
List<Hit<CsdnBlog,Void>> hits = result.getHits(CsdnBlog.class);
System.out.println(hits.size());
for (Hit<CsdnBlog, Void> hit : hits) {
CsdnBlog source = hit.source;
//获取高亮后的内容
Map<String, List<String>> highlight = hit.highlight;
List<String> views = highlight.get("view");//高亮后的title
if(views!=null){
source.setView(views.get(0));
}
System.out.println("标题："+source.getTitile());
System.out.println("内容："+source.getContent());
System.out.println("浏览数："+source.getView());
System.out.println("标签："+source.getTag());
System.out.println("作者："+source.getAuthor());
}
}
/**
* 分页
* @throws IOException
*/
@Test
public void page() throws IOException{
int pageNumber=1;
int pageSize=10;
SearchSourceBuilder searchSourceBuilder = new SearchSourceBuilder();
searchSourceBuilder.query(QueryBuilders.queryStringQuery("JAVA"));
searchSourceBuilder.from((pageNumber - 1) * pageSize);//设置起始页
searchSourceBuilder.size(pageSize);//设置页大小
Search search = new Search.Builder(searchSourceBuilder.toString())
.addIndex(indexName)// 索引名称
.build();
SearchResult result = jestClient.execute(search);
// 自动解析
JsonObject jsonObject = result.getJsonObject();
JsonObject hitsobject = jsonObject.getAsJsonObject("hits");
long took = jsonObject.get("took").getAsLong();
long total = hitsobject.get("total").getAsLong();
System.out.println("took:"+took+" "+"total:"+total);
}
}
完整项目如下:http://download.youkuaiyun.com/download/u011781521/9965222
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