1提供系统总图结构，2从excel导入数据

pom.xml

@@ -41,6 +41,7 @@
             <version>${auth.version}</version>
         </dependency>
 
+
         <!--  添加neo4j的jar包 -->
         <dependency>
             <groupId>org.springframework.boot</groupId>
@@ -59,13 +60,13 @@
             <version>0.3.1</version>
         </dependency>
 
-        <dependency>
-        <groupId>org.neo4j</groupId>
-        <artifactId>neo4j-ogm-bolt-driver</artifactId>
-        <version>3.0.0</version>
-    </dependency>
-        -->
 
+        -->
+        <dependency>
+            <groupId>org.neo4j</groupId>
+            <artifactId>neo4j-ogm-bolt-driver</artifactId>
+            <version>3.0.0</version>
+        </dependency>
         <dependency>
             <groupId>org.neo4j</groupId>
             <artifactId>neo4j-ogm-embedded-driver</artifactId>
@@ -77,6 +78,21 @@
             <version>1.7.5</version>
         </dependency>
 
+        <!-- excel文件解析依赖 -->
+        <!-- https://mvnrepository.com/artifact/org.apache.poi/poi -->
+        <dependency>
+            <groupId>org.apache.poi</groupId>
+            <artifactId>poi</artifactId>
+            <version>4.1.0</version>
+        </dependency>
+        <!-- https://mvnrepository.com/artifact/org.apache.poi/poi-ooxml -->
+        <dependency>
+            <groupId>org.apache.poi</groupId>
+            <artifactId>poi-ooxml</artifactId>
+            <version>4.1.0</version>
+        </dependency>
+
+
         <dependency>
             <groupId>io.springfox</groupId>
             <artifactId>springfox-swagger2</artifactId>

src/main/java/com/keymobile/metadata/metadataRelation/controller/DataRelationAnalyController.java

@@ -2,10 +2,7 @@ package com.keymobile.metadata.metadataRelation.controller;
 
 import com.keymobile.metadata.metadataRelation.pojo.returnBean.ReturnNode;
 import com.keymobile.metadata.metadataRelation.pojo.returnBean.ReturnReslult;
-import com.keymobile.metadata.metadataRelation.service.DataRelationAnalyService;
-import com.keymobile.metadata.metadataRelation.service.ISchemaService;
-import com.keymobile.metadata.metadataRelation.service.ISystemService;
-import com.keymobile.metadata.metadataRelation.service.ITableService;
+import com.keymobile.metadata.metadataRelation.service.*;
 import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiOperation;
 import org.slf4j.Logger;
@@ -31,6 +28,8 @@ public class DataRelationAnalyController {
     @Autowired
     private ITableService tableService;
 
+    @Autowired
+    private Excel2Neo4jService excel2Neo4jService;
 
     @Autowired
     private ISchemaService schemaService;
@@ -135,4 +134,17 @@ public class DataRelationAnalyController {
         logger.info("子节点id找出父节点。子节点id："+childId );
         return tableService.getParentByChildId(childId);
     }
+
+    //解析excel，存入neo4j
+    @ApiOperation(tags = "", value = "从excel生成neo4j的节点与关系。")
+    @RequestMapping(path = "/generalRelationFromExcel", method = RequestMethod.GET)
+    public String generalRelationFromExcel(String filePath) {
+        logger.info("从excel生成neo4j的节点与关系："+filePath );
+        if(filePath==null ||"".equals(filePath) ){
+            filePath = "D:\\dev\\neo4j-community-3.3.5\\systemRelation.xlsx";
+        }
+
+        return excel2Neo4jService.generalRelationFromExcel(filePath) ;
+    }
+
 }

src/main/java/com/keymobile/metadata/metadataRelation/pojo/SystemNode.java

+package com.keymobile.metadata.metadataRelation.pojo;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class SystemNode {
+
+    private String name ;
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public Map<String, String> getNodeAttributeMap() {
+        return nodeAttributeMap;
+    }
+
+    public void setNodeAttributeMap(Map<String, String> nodeAttributeMap) {
+        this.nodeAttributeMap = nodeAttributeMap;
+    }
+
+    private Map<String,String> nodeAttributeMap = new HashMap<>();
+
+}

src/main/java/com/keymobile/metadata/metadataRelation/pojo/SystemRelation.java

+package com.keymobile.metadata.metadataRelation.pojo;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class SystemRelation {
+
+    private String id ;
+    private String from ;
+    private String to;
+
+    public String getId() {
+        return id;
+    }
+
+    public void setId(String id) {
+        this.id = id;
+    }
+
+    public String getFrom() {
+        return from;
+    }
+
+    public void setFrom(String from) {
+        this.from = from;
+    }
+
+    public String getTo() {
+        return to;
+    }
+
+    public void setTo(String to) {
+        this.to = to;
+    }
+
+    public Map<String, String> getAttributeMap() {
+        return attributeMap;
+    }
+
+    public void setAttributeMap(Map<String, String> attributeMap) {
+        this.attributeMap = attributeMap;
+    }
+
+    private  Map<String,String> attributeMap = new HashMap<>();
+
+}

src/main/java/com/keymobile/metadata/metadataRelation/pojo/returnBean/ReturnEdge.java

 package com.keymobile.metadata.metadataRelation.pojo.returnBean;
 
 
+import java.util.HashMap;
+import java.util.Map;
+
 public class ReturnEdge {
 
     private String edgeId;
@@ -9,6 +12,16 @@ public class ReturnEdge {
     private String type;
 
 
+    public Map<String, String> getAttributeMaps() {
+        return attributeMaps;
+    }
+
+    public void setAttributeMaps(Map<String, String> attributeMaps) {
+        this.attributeMaps = attributeMaps;
+    }
+
+    private Map<String ,String> attributeMaps  = new HashMap<>();
+
     public String getEdgeId() {
         return edgeId;
     }

src/main/java/com/keymobile/metadata/metadataRelation/service/Excel2Neo4jService.java

+package com.keymobile.metadata.metadataRelation.service;
+
+public interface Excel2Neo4jService {
+
+    String generalRelationFromExcel(String filePath);
+
+}

src/main/java/com/keymobile/metadata/metadataRelation/service/impl/MetadataServiceImpl.java

@@ -535,7 +535,6 @@ public class MetadataServiceImpl implements IMetadataService {
             ReturnNode returnNode = new ReturnNode();
             returnNode.setId(neo4jSystem.getMetadataId());
             returnNode.setName(neo4jSystem.getName());
-
             returnNode.setIcon(modelName);
             if (!metaModelMap.containsKey(modelName)) {
                 MetaModel model = new MetaModel();
@@ -560,7 +559,6 @@ public class MetadataServiceImpl implements IMetadataService {
         String cypher = "match data=(na:softplatform)<-[r]->(nb:softplatform) return data ";
 
         StatementResult statementResult = session.run(cypher);
-        String modelName = SystemModelName;
         Map<Long, ReturnNode> nodesMap = new HashMap<>();
         Map<String, MetaModel> metaModelMap = new HashMap<>();
         int size = 300;
@@ -571,10 +569,10 @@ public class MetadataServiceImpl implements IMetadataService {
                 if (value.type().name().equals("PATH")) {
                     Path p = value.asPath();
                     Iterable<Node> nodes = p.nodes();
-                    getNodesMapFromNeo4j(size, modelName, nodesMap, metaModelMap, nodes);
+                    getNodesMapFromNeo4jSystem(nodesMap, metaModelMap, nodes);
 
                     Iterable<Relationship> relationships = p.relationships();
-                    getRelationFromneo4jRelation(returnReslult, nodesMap, relationships);
+                    getRelationFromneo4jRelationSystem(returnReslult, nodesMap, relationships);
                 }
             }
         }
@@ -587,6 +585,73 @@ public class MetadataServiceImpl implements IMetadataService {
         return returnReslult;
 
     }
+
+    private void getRelationFromneo4jRelationSystem(ReturnReslult returnReslult, Map<Long, ReturnNode> nodesMap,
+                                                    Iterable<Relationship> relationships) {
+        for (Relationship relationship : relationships) {
+
+            Long startID = relationship.startNodeId();
+            Long endID = relationship.endNodeId();
+            String rType = relationship.type();
+            /**
+             * asMap 相当于 节点的properties属性信息
+             */
+//                        relationship.id();
+//
+            String xieyi =""+ relationship.asMap().get("协议");
+            String yewuleibie =""+ relationship.asMap().get("业务类别");
+            String shujujiegou =""+ relationship.asMap().get("数据结构");
+            String yewushuoming =""+ relationship.asMap().get("业务说明");
+
+            String startMetaId = "";
+            String endMEtaId = "";
+            if (nodesMap.containsKey(startID)) {
+                startMetaId = nodesMap.get(startID).getId();
+            }
+
+            if (nodesMap.containsKey(endID)) {
+                endMEtaId = nodesMap.get(endID).getId();
+            }
+            if(!StringUtils.isBlank(startMetaId) && !StringUtils.isBlank(endMEtaId)){
+                ReturnEdge edge = new ReturnEdge();
+
+                edge.setEdgeId(String.valueOf(relationship.id()));
+                edge.setFromId(startMetaId);
+                edge.setToId(endMEtaId);
+                edge.setType(rType);
+                edge.getAttributeMaps().put("协议",xieyi);
+                edge.getAttributeMaps().put("业务说明",yewushuoming);
+                edge.getAttributeMaps().put("数据结构",shujujiegou);
+                edge.getAttributeMaps().put("业务说明",yewushuoming);
+                returnReslult.getEdges().add(edge);
+            }
+
+        }
+    }
+
+    private void getNodesMapFromNeo4jSystem(Map<Long, ReturnNode> nodesMap, Map<String, MetaModel> metaModelMap, Iterable<Node> nodes) {
+        for (Node node : nodes) {
+
+            Map<String, Object> stringObjectMap = node.asMap();
+
+            Neo4jSystem neo4jSystem = new Neo4jSystem();
+            Neo4jTool.transMap2Bean(stringObjectMap, neo4jSystem);
+//                        metaDataList.add(data);
+            if(neo4jSystem.getMetadataId() == null ){
+                neo4jSystem.setMetadataId(SystemModelEqual+neo4jSystem.getName());
+            }
+            ReturnNode returnNode = new ReturnNode();
+            returnNode.setId(neo4jSystem.getMetadataId());
+            returnNode.setName(neo4jSystem.getName());
+            returnNode.getAttributeMaps().put("内外部系统",""+stringObjectMap.get("内外部系统"));
+            returnNode.getAttributeMaps().put("行",""+stringObjectMap.get("行"));
+            returnNode.getAttributeMaps().put("列",""+stringObjectMap.get("列"));
+
+            returnNode.setType("Neo4jSystem");
+            nodesMap.put(node.id(), returnNode);
+        }
+    }
+
     @Override
     public Map<String, String> getAutoMatchByInput(String name,int countInt,int offsetInt) {
         logger.info("开始模糊查找:" + name);