1，返回结果的数量控制

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

@@ -150,12 +150,8 @@ public class MetaDataController {
             Map<String, List<String>> target2Source = new HashMap<>();
 
             Map<String, MetaModel> metaModelMap = new HashMap<>();
-            int count= 0;
+            int count= 1;
             for (MetaData metaData : metaDataList) {
-                if(count>=sizeInt){
-                    break;
-                }
-                count++;
 
                 Node node = new Node();
                 String[] strings = metaData.getMetadataId().split("=");
@@ -185,6 +181,11 @@ public class MetaDataController {
                     systemNode.setType("MetaData");
                     returnReslult.getNodes().add(systemNode);
                     nodeMap.put("" + systemNode.getId(), systemNode);
+
+                    count++;
+                    if(count>=sizeInt){
+                        break;
+                    }
                     child2Parent.put("" + metaData.getId(), systemNode.getId());
                 }
 
@@ -202,6 +203,10 @@ public class MetaDataController {
                 node.setName(metaData.getName());
                 node.setType("MetaData");
                 returnReslult.getNodes().add(node);
+                count++;
+                if(count>=sizeInt){
+                    break;
+                }
                 nodeMap.put("" + metaData.getId(), node);
 
             }

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

@@ -175,7 +175,7 @@ public class MetadataServiceImpl implements IMetadataService {
         Driver neo4jConnection = neo4jConfig.getNeo4jConnection();
         Session session = neo4jConnection.session();
 //        match (n:MetaData ) where n.metadataId =~"Table=.*" return n
-        String cypher = "match (n:MetaData ) where n.metadataId =~\"" + modelName + ".*\"  return n";
+        String cypher = "match (n:MetaData ) where n.metadataId =~\"" + modelName + ".*\"  return n limit "+size;
         logger.info("cypher:" + cypher);
         Map<String, MetaModel> metaModelMap = new HashMap<>();
         long starttime = System.currentTimeMillis();
@@ -185,14 +185,8 @@ public class MetadataServiceImpl implements IMetadataService {
 
         List<String> metadataIdList = new ArrayList<>();
 
-        int count0 = 0;
         while (result.hasNext()) {
 
-            if(count0>=size){
-                break;
-            }
-            count0++;
-
             Record record = result.next();
             List<Value> values = record.values();
             for (Value value : values) {