基于springBoot+vue搜索系统设计与实现

package com.bm.server.serverImpl; import com.bm.dao.*; import com.bm.pojo.addr.PlaceOrigin; import com.bm.pojo.disease.Disease; import com.bm.pojo.relationship.NodeRelationship; import com.bm.pojo.sort.AllNode; import com.bm.pojo.sort.GrapeSort; import com.bm.pojo.wine.Wine; import com.bm.server.Neo4jViewActionServer; import com.google.gson.Gson; import org.neo4j.driver.Record; import org.neo4j.driver.StatementResult; import org.neo4j.driver.Value; import org.neo4j.driver.types.Node; import org.neo4j.driver.types.Relationship; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import javax.annotation.Resource; import java.util.*; /** * Created with IntelliJ IDEA. * User: sx * Date: 2022/2/9 * Time: 20:17 * Description: java */ @Service public class Neo4jViewActionServerImpl implements Neo4jViewActionServer { @Resource private Neo4jGrapeRepository neo4jGrapeRepository; @Autowired private Neo4jIndexDao neo4jIndexDao; @Resource private Neo4jPlaceOriginRepository neo4jPlaceOriginRepository; @Resource private Neo4jDiseaseRepository neo4jDiseaseRepository; @Resource private Neo4jWineRepository neo4jWineRepository; @Override public String getSearchString(String string) { String msgString=""; String cql = "match (n:grapeTu)-[r:`产区`]->(p:producingArea) where n.grapeName=~"+"'.*" + string + ".*'"+"or p.name=~"+"'.*" + string + ".*'"+" return n,r,p"; HashMap list = neo4jIndexDao.getList(cql); if(list.size()<1 || list==null){ msgString= "查无此节点"; }else { Gson gson = new Gson(); msgString = gson.toJson(list); } return msgString; } @Override public List<String> getSort() { List<String> list = new ArrayList<>(); Iterable<GrapeSort> all = neo4jGrapeRepository.findAll(); for (GrapeSort g:all ) { list.add(g.getGrapeName()); } return list; } @Override public List<String> getPlaceOrigin() { List<String> list = new ArrayList<>(); Iterable<PlaceOrigin> all = neo4jPlaceOriginRepository.findAll(); for (PlaceOrigin p:all ) { list.add(p.getName()); } return list; } @Override public List<String> wine() { List<String> list = new ArrayList<>(); Iterable<Wine> all = neo4jWineRepository.findAll(); for (Wine p:all ) { list.add(p.getName()); } return list; } @Override public List<String> disease() { List<String> list = new ArrayList<>(); Iterable<Disease> all = neo4jDiseaseRepository.findAll(); for (Disease p:all ) { list.add(p.getName()); } return list; } @Override public String getsSearching(String string,Integer jingDu) { double flag=0.0; //精准度 if(jingDu==1){ flag=0.5; }else if(jingDu==2){ flag=0.3; }else { flag=0.05; } List<Record> list=null; StatementResult indexNode = neo4jIndexDao.getIndexNode(string,flag); list=indexNode.list(); List<Map<String,String>> nodeNames = new ArrayList<>(); String json=""; if(list.size()>0 && list !=null){ for (Record record:list) { Value value = record.get(0); Node node = value.asNode(); Map<String, Object> getNode = node.asMap(); Map<String, String> Map = new HashMap<>(); if(getNode.get("grapeName")!=null){ Map.put("name",(String) getNode.get("grapeName")); Map.put("label",(String) getNode.get("label")); Map.put("details",(String) getNode.get("details")); }else { Map.put("name",(String) getNode.get("name")); Map.put("label",(String) getNode.get("label")); Map.put("details",(String) getNode.get("details")); } nodeNames.add(Map); } }else { return null; } // 去重 HashSet<AllNode> allNodes = new HashSet<>(); List<AllNode> nodes = new ArrayList<>(); List<NodeRelationship> links = new ArrayList<>(); for (int i=0;i<nodeNames.size();i++){ // 获取检索节点的子节点 List<Record> nodeToRetrieve = neo4jIndexDao.getNodeToRetrieve(nodeNames.get(i)); for (Record r:nodeToRetrieve) { if(r.size()>1){ Node node1 = r.get(0).asNode(); AllNode start = getNode(node1); Relationship relationship = r.get(1).asRelationship(); NodeRelationship relationship1 = getRelationship(relationship); Node node2 = r.get(2).asNode(); AllNode end = getNode(node2); nodes.add(start); nodes.add(end); allNodes.add(start); allNodes.add(end); links.add(relationship1); }else { Node node1 = r.get(0).asNode(); AllNode start = getNode(node1); nodes.add(start); } } } Map<String, Object> hashMap = new HashMap<>(); hashMap.put("nodes",allNodes); hashMap.put("links",links); //获取相似度前十的节点 if(nodeNames.size()>=10){ List<Map<String, String>> maps = nodeNames.subList(0, 10); hashMap.put("list",maps); }else{ hashMap.put("list",nodeNames); } Gson gson = new Gson(); json = gson.toJson(hashMap);//转成字符串 return json; } @Override public String getAllNodes() { HashMap<String, List<Record>> nodeToRetrieve = neo4jIndexDao.getAll(); HashSet<AllNode> allNodes = new HashSet<>(); List<NodeRelationship> links = new ArrayList<>(); for (Record r:nodeToRetrieve.get("nodes")) { Node node1 = r.get(0).asNode(); AllNode node = getNode(node1); if(node.getLabel() ==null && node.getDetails()==null){ continue; } allNodes.add(node); } for (Record r:nodeToRetrieve.get("links")) { Relationship relationship = r.get(0).asRelationship(); NodeRelationship relationship1 = getRelationship(relationship); links.add(relationship1); } Map<String, Object> hashMap = new HashMap<>(); hashMap.put("nodes",allNodes); hashMap.put("links",links); hashMap.put("list",""); Gson gson = new Gson(); return gson.toJson(hashMap);//转成字符串 } /** * 重新整理节点 * @param node * @return */ public AllNode getNode(Node node){ Map<String, Object> nodeMap = node.asMap(); AllNode start = new AllNode(); if(nodeMap.get("grapeName")!=null){ start.setName((String)nodeMap.get("grapeName")); }else { start.setName((String)nodeMap.get("name")); } start.setDetails((String)nodeMap.get("details")); start.setId(node.id()); start.setLabel((String)nodeMap.get("label")); return start; } /** * * @param relationship * @return */ public NodeRelationship getRelationship(Relationship relationship){ NodeRelationship nodeRelationship = new NodeRelationship(); nodeRe