solr 基本命令二（权重查找）
package zr.com.solr.utils;import java.io.IOException;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.management.Query;
import org.apache.solr.client.solrj.SolrQuery;
import org.apache.solr.client.solrj.SolrServer;
import org.apache.solr.client.solrj.SolrServerException;
import org.apache.solr.client.solrj.impl.HttpSolrServer;
import org.apache.solr.client.solrj.impl.LBHttpSolrServer;
import org.apache.solr.client.solrj.response.FacetField.Count;
import org.apache.solr.client.solrj.response.FacetField;
import org.apache.solr.client.solrj.response.Group;
import org.apache.solr.client.solrj.response.GroupCommand;
import org.apache.solr.client.solrj.response.GroupResponse;
import org.apache.solr.client.solrj.response.QueryResponse;
import org.apache.solr.client.solrj.response.UpdateResponse;
import org.apache.solr.common.SolrDocument;
import org.apache.solr.common.SolrDocumentList;
import org.apache.solr.common.SolrInputDocument;
import org.apache.solr.common.params.CommonParams;
import org.apache.solr.common.params.GroupParams;
import org.apache.solr.common.params.ModifiableSolrParams;
import org.junit.Test;
/** *
*
@author lf *
*/
public> public static void main(String[] args) {
try {
// SolrUtils.addData();
// SolrUtils.queryData();
// System.out.println("===================");
// SolrUtils.weightQuery();
// SolrUtils.deleteByID("0");
// SolrUtils.queryData();
// SolrUtils.countGroupQuery();
SolrUtils.groupQuery();
} catch (Exception e) {
e.printStackTrace();
}
}
private static HttpSolrServer server = null;
static{
server = new HttpSolrServer("http://localhost:28080");
}
/**
* 添加数据
*/
publicstatic void addData() throws SolrServerException, IOException{
for (int i = 500; i < 600; i++) {
SolrInputDocument doc = new SolrInputDocument();
doc.addField("name", "wr");
doc.addField("id", ""+i);
doc.addField("age", i);
doc.addField("team", "Team-15");
doc.addField("hoby", "swimming");
doc.addField("content", "www"+i);
server.add(doc);
}
server.commit();
System.out.println("server:"+server);
}
/**
* 查询
*/
public static void queryData() throws SolrServerException{
/**
* 第一种方式查找
*/
/*ModifiableSolrParams params = new ModifiableSolrParams();
// 设置查询的条件
params.set("q", "name:www");
// 设置获取的字段
params.set("fl", "name age hoby> // 过滤查询（年龄在5到8之间）
// params.set("fq", "age:");
// 不包含（首尾）的范围查询
// params.set("fq", "age:{5 TO 8}");
// 设置查询的起始位置
params.set("start", "0");
// params.set("wt", "json");
QueryResponse response = server.query(params);
SolrDocumentList result = response.getResults();
System.out.println("数量："+result.size());
for (int i = 0; i < result.size(); i++) {
System.out.println(result.get(i));
}*/
/**
* 第二种方式查找
*/
SolrQuery query = new SolrQuery();
// 查询条件
String queryStr = "name:*";
// 添加查询条件
query.setQuery(queryStr);
// 设置起始值
query.setStart(0);
// 设置每一页显示的数量
query.setRows(500);
// 执行查询
QueryResponse response = server.query(query);
SolrDocumentList list = response.getResults();
System.out.println("数量："+list.size());
for (int i = 0; i < list.size(); i++) {
System.out.println(list.get(i));
}
}
/**
* 权重查找
* @throws SolrServerException
*/
public static void weightQuery() throws SolrServerException{
SolrQuery query = new SolrQuery();
/*********权重查找**********/
/* qf对默认查询增加权重比值，
* 比如:fieldOne^1.9 fieldTwo fieldThree^5 ，
* 值越大权重越大
*/
String queryStr = "name:www^2 OR content:www*^15";
query.setQuery(queryStr);
query.setStart(0);
query.setRows(10);
QueryResponse response = server.query(query);
SolrDocumentList list = response.getResults();
System.out.println("数量："+list.size());
for (int i = 0; i < list.size(); i++) {
System.out.println(list.get(i));
}
}
/**
* 删除
* @throws SolrServerException
* @throws IOException
*/
public static void deleteByID(String> UpdateResponse uResponse = server.deleteById(id);
server.commit();
}
/**
*分组统计
*
*/
public static void countGroupQuery() throws SolrServerException{
SolrQuery query = new SolrQuery();
query.setQuery("name:*");
// 是否按照每组数量高低排序
query.setIncludeScore(false);
// 是否分组查询
query.setFacet(true);
//设置返回结果条数，如果你时分组查询，你就设置为0
query.setRows(0);
// 限制每次返回的结果数
query.setFacetLimit(5);
// 添加分组的字段
query.addFacetField("name");
QueryResponse response = server.query(query);
//返回分组的结果（这里要和addFacetField相对应）
List<Count> returnList = response.getFacetField("name").getValues();
System.out.println("数量:"+returnList.size());
for (Count count : returnList) {
if (count.getCount() > 0) {
// 打印每组的名字和数量
System.out.println(count.getName()+","+count.getCount());
}
}
}
/**
* 分组查询
* @throws SolrServerException
*/
public static void groupQuery() throws SolrServerException{
SolrQuery query = new SolrQuery();
query.setQuery("schoolName:*");
query.setParam("group", true);
query.setParam("group.field", "schoolName");
query.setParam("group.limit", "5");
query.setParam("group.ngroups", true);
QueryResponse response = server.query(query);
GroupResponse gResponse = response.getGroupResponse();
List<GroupCommand> commands = gResponse.getValues();
if (commands != null) {
for (GroupCommand groupCommand : commands) {
System.out.println("总分组的个数："+groupCommand.getNGroups().longValue());
for (Group group : groupCommand.getValues()) {
System.out.println("-----group:"+group);
SolrDocumentList list = group.getResult();
for (SolrDocument solrDocument : list) {
String> String schoolName = solrDocument.get("schoolName").toString();
String courseName = solrDocument.get("courseName").toString();
System.out.println("id:"+id+",schoolName:"+schoolName+",courseName:"+courseName);
}
}
}
}
}
}
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