1，返回的结果大图添加数量限制。

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

@@ -128,15 +128,17 @@ public class MetaDataController {
      */
     @ApiOperation(tags = "", value = "系统级的大图")
     @RequestMapping(path = "/result", method = RequestMethod.GET)
-    public ReturnReslult getBigGraph(String modelName0) {
-
+    public ReturnReslult getBigGraph(String modelName0,String size) {
         logger.info("传入的元模型名称是："+modelName0);
         ReturnReslult returnReslult = new ReturnReslult();
+
+        int sizeInt = Integer.valueOf(size);
+
         if (modelName0 == null || modelName0.equals("")) {
             modelName0 = "Table";
         }
         if(!modelName0.toLowerCase().equals("all")){
-            returnReslult = metadataService.findResultByModelName(modelName0);
+            returnReslult = metadataService.findResultByModelName(modelName0,sizeInt);
         }else {
             List<MetaData> metaDataList = metadataService.finAllMetaData();
             Map<String, Node> nodeMap = new HashMap<>();
@@ -147,8 +149,13 @@ public class MetaDataController {
             Map<String, List<String>> target2Source = new HashMap<>();
 
             Map<String, MetaModel> metaModelMap = new HashMap<>();
-
+            int count= 0;
             for (MetaData metaData : metaDataList) {
+                if(count>=sizeInt){
+                    break;
+                }
+                count++;
+
                 Node node = new Node();
                 String[] strings = metaData.getMetadataId().split("=");
                 String modelName = strings[0];

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

@@ -14,7 +14,7 @@ public interface IMetadataService {
 
     ReturnReslult findNodeByDataId(String metadataId, int depth);
 
-    ReturnReslult findResultByModelName(String modelName);
+    ReturnReslult findResultByModelName(String modelName,int count );
 
     ReturnReslult getSystemGraph();
 

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

@@ -168,7 +168,7 @@ public class MetadataServiceImpl implements IMetadataService {
     }
 
     @Override
-    public ReturnReslult findResultByModelName(String modelName) {
+    public ReturnReslult findResultByModelName(String modelName,int size) {
         ReturnReslult returnReslult = new ReturnReslult();
         // 先获取modelname的元数据，按每两个元数据去查找，查看是否有关系，注意关系方向
         Neo4jConfig neo4jConfig = new Neo4jConfig();
@@ -185,7 +185,14 @@ 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) {
@@ -222,9 +229,8 @@ public class MetadataServiceImpl implements IMetadataService {
         }
         int nodeSize = returnReslult.getNodes().size();
         logger.info("得到的节点数是："+nodeSize);
-        List<String> analysisId = new ArrayList<>();
 
-        int count = 0;
+        // 默认是5个线程
         int threadCount = 5;
         if(nodeSize<5){
             threadCount = nodeSize;