知识图谱

jeecg-boot/jeecg-boot-module-system/src/main/java/org/jeecg/modules/demo/know/mapper/SeKonwMapper.java

@@ -8,6 +8,8 @@ import com.baomidou.mybatisplus.core.mapper.BaseMapper;
 import org.apache.ibatis.annotations.Select;
 import org.apache.ibatis.annotations.Update;
 import org.jeecg.modules.demo.know.entity.SeKonw;
+import org.jeecg.modules.demo.seknowgroup.entity.NodeList;
+import org.jeecg.modules.demo.seknowgroup.entity.NodeName;
 
 /**
  * @Description: 知识点表
@@ -34,4 +36,10 @@ public interface SeKonwMapper extends BaseMapper<SeKonw> {
 
     @Select("select wight from se_konw_relationship where id =#{relationId}")
     String getrelaint(String relationId);
+
+    @Select("select id, name as label from se_konw where courseid =#{id}")
+    List<NodeName> getallnodes(String id);
+
+    @Select("select per_kow_id as source,next_know_id as target from se_konw_relationship_main where courseid=#{id}")
+    List<NodeList> getalllikes(String id);
 }

jeecg-boot/jeecg-boot-module-system/src/main/java/org/jeecg/modules/demo/know/service/ISeKonwService.java

@@ -3,6 +3,9 @@ package org.jeecg.modules.demo.know.service;
 
 import com.baomidou.mybatisplus.extension.service.IService;
 import org.jeecg.modules.demo.know.entity.SeKonw;
+import org.jeecg.modules.demo.seknowgroup.entity.Exports;
+import org.jeecg.modules.demo.seknowgroup.entity.NodeList;
+import org.jeecg.modules.demo.seknowgroup.entity.NodeName;
 
 import java.util.List;
 
@@ -25,4 +28,10 @@ public interface ISeKonwService extends IService<SeKonw> {
     Boolean importExcel(List<SeKonw> zlListByE);
 
     String getrelaint(String relationId);
+
+    List<NodeName> getallnodes(String id);
+
+    List<NodeList> getalllikes(String id);
+
+
 }

jeecg-boot/jeecg-boot-module-system/src/main/java/org/jeecg/modules/demo/know/service/impl/SeKonwServiceImpl.java

@@ -6,11 +6,15 @@ import org.jeecg.common.system.vo.LoginUser;
 import org.jeecg.modules.demo.know.entity.SeKonw;
 import org.jeecg.modules.demo.know.mapper.SeKonwMapper;
 import org.jeecg.modules.demo.know.service.ISeKonwService;
+import org.jeecg.modules.demo.seknowgroup.entity.Exports;
+import org.jeecg.modules.demo.seknowgroup.entity.NodeList;
+import org.jeecg.modules.demo.seknowgroup.entity.NodeName;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 
+import java.util.ArrayList;
 import java.util.List;
 
 /**
@@ -68,5 +72,18 @@ public class SeKonwServiceImpl extends ServiceImpl<SeKonwMapper, SeKonw> impleme
         return seKonwMapper.getrelaint(relationId);
     }
 
+    @Override
+    public List<NodeName> getallnodes(String id) {
+
+        return seKonwMapper.getallnodes(id);
+    }
+
+    @Override
+    public List<NodeList> getalllikes(String id) {
+        return seKonwMapper.getalllikes(id);
+    }
+
+
+
 
 }

jeecg-boot/jeecg-boot-module-system/src/main/java/org/jeecg/modules/demo/seknowgroup/controller/SeKnowGroupController.java

@@ -202,8 +202,16 @@ public class SeKnowGroupController extends JeecgController<SeKnowGroup, ISeKnowG
 
     @GetMapping(value = "/createGroup")
     public Result<?> createGroup(@RequestParam(name="id",required=true) String id) {
-        System.out.println(id);
-        return Result.OK("更新完成");
+        //开始获取并组装单个知识点
+        List<NodeName> nodes = seKonwService.getallnodes(id);
+        //开始组装知识点链接
+        List<NodeList> links = seKonwService.getalllikes(id);
+        //开始组装完整的只是节点
+        Exports exports = new Exports();
+        exports.setNodes(nodes);
+        exports.setLinks(links);
+        System.out.println(exports);
+        return Result.OK(exports);
     }
 
 /*

jeecg-boot/jeecg-boot-module-system/src/main/java/org/jeecg/modules/demo/seknowgroup/entity/NodeList.java

@@ -4,7 +4,12 @@ import lombok.Data;
 
 @Data
 public class NodeList {
+/*    private String source;
+    private String target;
+    private String value;*/
+
     private String source;
     private String target;
-    private String value;
+    private String label;
+
 }

jeecg-boot/jeecg-boot-module-system/src/main/java/org/jeecg/modules/demo/seknowgroup/entity/NodeName.java

@@ -4,6 +4,9 @@ import lombok.Data;
 
 @Data
 public class NodeName {
-    private String name;
+    /*private String name;*/
+    private String id;
+    private String label;
+    private String color;
 
 }