[数据模型] 新增聚合对象生成xml方法。

src/main/java/com/tykj/workflowcore/model_layer/dao/TableInfoDao.java

@@ -13,4 +13,10 @@ import org.springframework.data.jpa.repository.JpaSpecificationExecutor;
  * @Version 1.0
  */
 public interface TableInfoDao extends JpaRepository<TableInfo, Integer>, JpaSpecificationExecutor<TableInfo> {
+    /**
+     * 根据表名查询tableInfo
+     * @param name
+     * @return
+     */
+    TableInfo findByModelName(String name);
 }

src/main/java/com/tykj/workflowcore/model_layer/dao/TableInfoExDao.java

+package com.tykj.workflowcore.model_layer.dao;
+
+
+import com.tykj.workflowcore.model_layer.entity.TableInfoEX;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.JpaSpecificationExecutor;
+
+/**
+ * @ClassName TableInfoExDao
+ * @Description TODO
+ * @Author WWW
+ * @Date 2021/4/1 17:00
+ * @Version 1.0
+ */
+public interface TableInfoExDao extends JpaRepository<TableInfoEX, Integer>, JpaSpecificationExecutor<TableInfoEX> {
+}

src/main/java/com/tykj/workflowcore/model_layer/entity/ColumnInfo.java

@@ -25,7 +25,6 @@ import java.io.Serializable;
 @Data
 @NoArgsConstructor
 @Entity
-
 @SQLDelete(sql = "update column_info set deleted = 1 where id = ?")
 @Where(clause = "deleted = 0")
 public class ColumnInfo extends BaseEntity  {

src/main/java/com/tykj/workflowcore/model_layer/entity/TableInfoEX.java

+package com.tykj.workflowcore.model_layer.entity;
+
+import com.tykj.workflowcore.base.entity.BaseEntity;
+import com.tykj.workflowcore.model_layer.annotations.WorkFlowCoreNoScan;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+import org.hibernate.annotations.SQLDelete;
+import org.hibernate.annotations.Where;
+
+import javax.persistence.Entity;
+import javax.persistence.Lob;
+
+/**
+ * @ClassName TableInfoEX
+ * @Description TODO 聚合对象
+ * @Author WWW
+ * @Date 2021/4/1 16:45
+ * @Version 1.0
+ */
+@WorkFlowCoreNoScan
+@Data
+@NoArgsConstructor
+@Entity
+@SQLDelete(sql = "update column_info set deleted = 1 where id = ?")
+@Where(clause = "deleted = 0")
+public class TableInfoEX extends BaseEntity {
+
+    @ApiModelProperty("名称")
+    private String name;
+
+    @ApiModelProperty("主表id")
+    private Integer mainTableId;
+    @ApiModelProperty("附表id")
+    private Integer sideTableId;
+
+    @Lob
+    @ApiModelProperty("聚合对象xml")
+    private String xml;
+
+    @ApiModelProperty("聚合对象关系")
+    private Integer relationship;
+    @ApiModelProperty("连接属性")
+    private String connectionProperty;
+    @ApiModelProperty("连接key")
+    private String connectionKey;
+
+
+}

src/main/java/com/tykj/workflowcore/model_layer/myEnum/AggregationType.java

+package com.tykj.workflowcore.model_layer.myEnum;
+
+/**
+ * @ClassName AggregationType
+ * @Description TODO
+ * @Author WWW
+ * @Date 2021/4/1 16:56
+ * @Version 1.0
+ */
+public class AggregationType {
+
+    public static final Integer ONE_TO_ONE=0;
+    public static final Integer ONE_TO_MANY=1;
+
+    public static final Integer MANY_TO_MANY=0;
+}

src/main/java/com/tykj/workflowcore/model_layer/service/AggregationService.java

+package com.tykj.workflowcore.model_layer.service;
+
+import com.tykj.workflowcore.model_layer.entity.TableInfoEX;
+import org.springframework.stereotype.Service;
+
+/**
+ * @ClassName Aggregation
+ * @Description TODO
+ * @Author WWW
+ * @Date 2021/4/1 17:08
+ * @Version 1.0
+ */
+@Service
+public interface AggregationService {
+
+    void  addAggregationOneToOne(TableInfoEX tableInfoEX);
+}

src/main/java/com/tykj/workflowcore/model_layer/service/impl/AggregationImpl.java

+package com.tykj.workflowcore.model_layer.service.impl;
+
+import com.tykj.workflowcore.model_layer.dao.TableInfoDao;
+import com.tykj.workflowcore.model_layer.dao.TableInfoExDao;
+import com.tykj.workflowcore.model_layer.entity.TableInfo;
+import com.tykj.workflowcore.model_layer.entity.TableInfoEX;
+import com.tykj.workflowcore.model_layer.service.AggregationService;
+import org.springframework.beans.factory.annotation.Autowired;
+
+import java.util.Optional;
+
+/**
+ * @ClassName AggregationImpl
+ * @Description TODO
+ * @Author WWW
+ * @Date 2021/4/1 17:24
+ * @Version 1.0
+ */
+public class AggregationImpl implements AggregationService {
+
+
+    @Autowired
+    TableInfoDao tableInfoDao;
+
+    @Autowired
+    TableInfoExDao tableInfoExDao;
+
+
+
+    @Override
+    public void addAggregationOneToOne(TableInfoEX tableInfoEX) {
+
+    }
+}

src/main/java/com/tykj/workflowcore/model_layer/service/impl/ModelImpl.java

@@ -11,7 +11,7 @@ import com.tykj.workflowcore.model_layer.entity.vo.*;
 import com.tykj.workflowcore.model_layer.entity.*;
 import com.tykj.workflowcore.model_layer.myEnum.ModelType;
 import com.tykj.workflowcore.model_layer.service.ModelService;
-import com.tykj.workflowcore.model_layer.utils.CreateTableUtil;
+import com.tykj.workflowcore.model_layer.utils.SessionUtil;
 import com.tykj.workflowcore.model_layer.utils.SqlUtil;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
@@ -68,9 +68,6 @@ import static java.util.Objects.nonNull;
 public class ModelImpl implements ModelService {
 
 
-    @Autowired
-    private EntityManagerFactory entityManagerFactory;
-
     @Autowired
     private TableInfoDao tableInfoDao;
 
@@ -80,6 +77,9 @@ public class ModelImpl implements ModelService {
     @Autowired
     private JdbcTemplate jdbcTemplate;
 
+    @Autowired
+    private SessionUtil sessionUtil;
+
     /**
      * @param
      * @return java.util.List<com.tykj.workflowcore.model_layer.model.TableInfo>
@@ -133,8 +133,11 @@ public class ModelImpl implements ModelService {
             tableVO.setModelType(ModelType.BUSINESS);
         }
 
-        CreateTableUtil creatTableUtil = new CreateTableUtil();
-        Session session = creatTableUtil.getSession(entityManagerFactory, xmlMapping);
+
+        sessionUtil.addXml(xmlMapping);
+        Session session = sessionUtil.getSession();
+//        CreateTableUtil creatTableUtil = new CreateTableUtil();
+//        Session session = creatTableUtil.getSession(entityManagerFactory, xmlMapping);
 
         List<ColumnVO> dataList = tableVO.getDataList();
         TableInfo tableInfo = new TableInfo();
@@ -193,12 +196,12 @@ public class ModelImpl implements ModelService {
                 Object values = map.get(tableName);
                 if (values instanceof Map) {
                     //插入数据
-                    insertValue(tableInfo.getModelName(), tableInfo.getXml(), (Map) values);
+                    insertValue(tableInfo.getModelName(), (Map) values);
                 } else {
                     //循环插入数据
                     List valuesList = (List) values;
                     for (int i = 0; i < valuesList.size(); i++) {
-                        insertValue(tableInfo.getModelName(), tableInfo.getXml(), (Map) valuesList.get(i));
+                        insertValue(tableInfo.getModelName(), (Map) valuesList.get(i));
                     }
                 }
             }
@@ -212,16 +215,18 @@ public class ModelImpl implements ModelService {
 
     /**
      * @param tableName
-     * @param xml
      * @param map
      * @return void
      * @Author WWW
      * @Description 新增参数的方法
      * @Date 16:17 2021/3/5
      **/
-    public void insertValue(String tableName, String xml, Map map) {
-        CreateTableUtil createTableUtil = new CreateTableUtil();
-        Session newSession = createTableUtil.getSession(entityManagerFactory, xml);
+    public void insertValue(String tableName,  Map map) {
+//        CreateTableUtil createTableUtil = new CreateTableUtil();
+//        Session newSession = createTableUtil.getSession(entityManagerFactory, xml);
+
+        Session newSession = sessionUtil.getSession();
+
         SessionImpl session = (SessionImpl) newSession;
         EntityPersister entityPersister = session.getEntityPersister(tableName, map);
         Type[] propertyTypes = entityPersister.getPropertyTypes();

src/main/java/com/tykj/workflowcore/model_layer/utils/AggregationUtil.java

+package com.tykj.workflowcore.model_layer.utils;
+
+import liquibase.pro.packaged.E;
+import org.dom4j.Document;
+import org.dom4j.DocumentException;
+import org.dom4j.DocumentHelper;
+import org.dom4j.Element;
+
+import java.util.List;
+
+/**
+ * @ClassName AggregationUtil
+ * @Description TODO
+ * @Author WWW
+ * @Date 2021/4/1 18:59
+ * @Version 1.0
+ */
+public class AggregationUtil {
+
+    private static String xmlStart = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" +
+            "<!DOCTYPE hibernate-mapping PUBLIC\n" +
+            "        \"-//Hibernate/Hibernate Mapping DTD 3.0//EN\"\n" +
+            "        \"http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd\">\n" +
+            "<hibernate-mapping>";
+
+    private static String xmlEnd = "</hibernate-mapping>";
+
+
+    public static String getOldProperty(String xml) {
+        String property = "";
+        Document document = null;
+        try {
+            document = DocumentHelper.parseText(xml);
+        } catch (DocumentException e) {
+            e.printStackTrace();
+        }
+        List<Element> elements = document.getRootElement().elements().get(0).elements();
+        for (Element element : elements) {
+            property = property + element.asXML();
+        }
+        return property;
+    }
+
+
+    public static String addOneToOne(String field, String sideTableName, String xml) {
+        Element element = DocumentHelper.createElement("one-to-one");
+        element.addAttribute("name", field);
+        element.addAttribute("class", sideTableName);
+        element.addAttribute("cascade", "save-update");
+
+        Document document = null;
+        try {
+            document = DocumentHelper.parseText(xml);
+        } catch (DocumentException e) {
+            e.printStackTrace();
+        }
+        Element classElement = getNode(xml);
+        classElement.add(element);
+
+        return document.asXML();
+    }
+
+
+    public static String addOneToMany(String mainTable, String sideTable, String mainField, String xml) {
+
+
+        String addStr =
+                "<class entity-name= \"" +mainTable + "_" + sideTable + "\""+" table=\"" + mainTable +"\""+ ">\n" +
+                        getOldProperty(xml) +
+                        " <set name=\"" + sideTable + "_list" + "\""+" inverse=\"true\" lazy=\"true\">\n" +
+                        "     <key column=\"" + mainField + "\""+"/>\n" +
+                        "     <one-to-many class=\"" + sideTable +"\""+ "/>\n" +
+                        "</set>\n" +
+                        "   </class>";
+
+
+        return xmlStart+ addStr+xmlEnd;
+    }
+
+
+    public static String addManyToMany(String mainTable, String sideTable, String xml) {
+
+        String entityName = mainTable + "_" + sideTable + "_ref";
+
+        String addStr = "<class entity-name=\"" + entityName +"\""+ " table=\"" + mainTable +"\""+ ">\n" +
+                " \n"
+                +
+                getOldProperty(xml)
+                +
+                " <set name=\"" + sideTable+"\"" + " table=\"" + entityName+"\"" + ">\n" +
+                " \t<key column=\"" + mainTable + "_id" +"\""+ "/>\n" +
+                " \t<many-to-many class=\"" + sideTable +"\""+ " column=\"" + sideTable +"\""+ "_id" + "/>\n" +
+                " </set>" +
+                "</class>";
+        return xmlStart+ addStr+xmlEnd;
+    }
+
+    public static Element getNode(String xml) {
+        Document document = null;
+        try {
+            document = DocumentHelper.parseText(xml);
+        } catch (DocumentException e) {
+            e.printStackTrace();
+        }
+        return document.getRootElement().elements().get(0);
+    }
+
+
+}

src/main/java/com/tykj/workflowcore/model_layer/utils/CreateTableUtil.java

@@ -4,6 +4,7 @@ package com.tykj.workflowcore.model_layer.utils;
 import com.tykj.workflowcore.base.result.ApiException;
 import com.tykj.workflowcore.model_layer.entity.vo.ColumnVO;
 import com.tykj.workflowcore.model_layer.entity.vo.TableVO;
+
 import org.hibernate.Session;
 import org.hibernate.SessionFactory;
 import org.hibernate.boot.Metadata;
@@ -42,7 +43,7 @@ public class CreateTableUtil {
         for (ColumnVO columnVO : dataList) {
 
             xmlMapping +=
-                    " <property type=\"" + columnVO.getFieldType() + "\" name=\"" + columnVO.getFieldName() + "\" length=\"" + columnVO.getFieldLength()+
+                    " <property type=\"" + columnVO.getFieldType() + "\" name=\"" + columnVO.getFieldName() + "\" length=\"" + columnVO.getFieldLength() +
                             "\" column=\"" + columnVO.getFieldName() + "\"/>\n";
 
         }

src/main/java/com/tykj/workflowcore/model_layer/utils/SessionUtil.java

+package com.tykj.workflowcore.model_layer.utils;
+
+import com.tykj.workflowcore.model_layer.dao.TableInfoDao;
+import com.tykj.workflowcore.model_layer.entity.TableInfo;
+import org.checkerframework.checker.units.qual.A;
+import org.hibernate.Session;
+import org.hibernate.SessionFactory;
+import org.hibernate.boot.Metadata;
+import org.hibernate.boot.MetadataSources;
+import org.hibernate.boot.registry.StandardServiceRegistry;
+import org.hibernate.tool.hbm2ddl.SchemaUpdate;
+import org.hibernate.tool.schema.TargetType;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+import javax.persistence.EntityManagerFactory;
+import java.io.ByteArrayInputStream;
+import java.util.EnumSet;
+import java.util.List;
+
+/**
+ * @ClassName SessionUtil
+ * @Description TODO
+ * @Author WWW
+ * @Date 2021/4/1 10:08
+ * @Version 1.0
+ */
+@Component
+public class SessionUtil {
+
+
+    SessionFactory sessionFactory;
+
+    StandardServiceRegistry serviceRegistry;
+
+    @Autowired
+    TableInfoDao tableInfoDao;
+
+    MetadataSources metadataSources;
+    public SessionUtil(EntityManagerFactory entityManagerFactory,TableInfoDao tableInfoDao){
+        this.tableInfoDao = tableInfoDao;
+        sessionFactory = entityManagerFactory.unwrap(SessionFactory.class);
+        serviceRegistry = sessionFactory.getSessionFactoryOptions().getServiceRegistry();
+        metadataSources = new MetadataSources(serviceRegistry);
+        sessionFactory.getSessionFactoryOptions();
+        init();
+    }
+
+    private void init(){
+        //去数据库读取所有的XML 加载到 metasource里
+        List<TableInfo> all = tableInfoDao.findAll();
+        for (TableInfo tableInfo : all) {
+            String xml = tableInfo.getXml();
+            addXml(xml);
+        }
+    }
+
+    public void addXml(String xmlStr){
+        metadataSources.addInputStream(new ByteArrayInputStream(xmlStr.getBytes()));
+        Metadata metadata = metadataSources.buildMetadata();
+        //更新数据库Schema,如果不存在就创建表,存在就更新字段,不会影响已有数据
+        SchemaUpdate schemaUpdate = new SchemaUpdate();
+        schemaUpdate.execute(EnumSet.of(TargetType.DATABASE), metadata, serviceRegistry);
+    }
+
+    public Session getSession(){
+        Metadata metadata = metadataSources.buildMetadata();
+        //创建会话工厂
+        SessionFactory newSessionFactory = metadata.buildSessionFactory();
+        //保存对象
+        return newSessionFactory.openSession();
+    }
+}

src/main/test/java/com/tykj/workflowcore/WorkflowCoreApplicationTests.java

@@ -3,15 +3,23 @@ package com.tykj.workflowcore;
 
 import com.tykj.workflowcore.model_layer.controller.ModelController;
 import com.tykj.workflowcore.model_layer.dao.TableInfoDao;
+import com.tykj.workflowcore.model_layer.entity.TableInfo;
 import com.tykj.workflowcore.model_layer.entity.vo.TableAndColumnInfoVO;
 import com.tykj.workflowcore.model_layer.myEnum.ModelType;
 import com.tykj.workflowcore.model_layer.service.ModelService;
+import com.tykj.workflowcore.model_layer.utils.AggregationUtil;
+import com.tykj.workflowcore.model_layer.utils.SessionUtil;
 import org.aspectj.lang.annotation.Before;
+import org.dom4j.*;
+import org.dom4j.io.SAXReader;
 import org.hibernate.Session;
 import org.hibernate.SessionFactory;
 import org.hibernate.boot.Metadata;
 import org.hibernate.boot.MetadataSources;
 import org.hibernate.boot.registry.StandardServiceRegistry;
+import org.hibernate.internal.SessionImpl;
+import org.hibernate.persister.entity.EntityPersister;
+import org.hibernate.query.NativeQuery;
 import org.hibernate.query.Query;
 import org.hibernate.tool.hbm2ddl.SchemaUpdate;
 import org.hibernate.tool.schema.TargetType;
@@ -24,15 +32,14 @@ import org.springframework.jdbc.core.JdbcTemplate;
 import org.springframework.test.context.junit4.SpringRunner;
 import org.springframework.test.web.servlet.MockMvc;
 import org.springframework.test.web.servlet.RequestBuilder;
+import org.springframework.test.web.servlet.result.HandlerResultMatchers;
 import org.springframework.test.web.servlet.setup.MockMvcBuilders;
 
 
+import javax.persistence.CascadeType;
 import javax.persistence.EntityManagerFactory;
 import java.io.ByteArrayInputStream;
-import java.util.Arrays;
-import java.util.EnumSet;
-import java.util.List;
-import java.util.Optional;
+import java.util.*;
 
 import static org.hamcrest.Matchers.equalTo;
 import static org.hamcrest.Matchers.not;
@@ -66,6 +73,10 @@ class WorkflowCoreApplicationTests {
     @Autowired
     EntityManagerFactory entityManagerFactory;
 
+
+    @Autowired
+    SessionUtil sessionUtil;
+
     @Before("")
     public void setUp() {
         mockMvc = MockMvcBuilders.standaloneSetup(modelController).build();
@@ -211,7 +222,7 @@ class WorkflowCoreApplicationTests {
     @Test
     public void testDelTable() throws Exception {
         request = delete("/model/delete/")
-                .param("id","5")
+                .param("id", "5")
                 .accept(MediaType.APPLICATION_JSON_UTF8_VALUE);
         mockMvc.perform(request)
                 .andExpect(status().isOk())
@@ -230,7 +241,7 @@ class WorkflowCoreApplicationTests {
         System.out.println(all);
 */
 
-        String xml=
+        String xml =
                 "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" +
                         "<!DOCTYPE hibernate-mapping PUBLIC\n" +
                         "        \"-//Hibernate/Hibernate Mapping DTD 3.0//EN\"\n" +
@@ -272,4 +283,187 @@ class WorkflowCoreApplicationTests {
 
 
     }
+
+    @Test
+    public void testxml() {
+        String xml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" +
+                "<!DOCTYPE hibernate-mapping PUBLIC\n" +
+                "        \"-//Hibernate/Hibernate Mapping DTD 3.0//EN\"\n" +
+                "        \"http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd\">\n" +
+                "<hibernate-mapping>\n" +
+                "    <class entity-name=\"p_c\" table=\"people\">\n" +
+                " <id name=\"id\" type=\"java.lang.Integer\" length=\"11\" unsaved-value=\"null\">\n" +
+                "            <generator class=\"identity\" />\n" +
+                "        </id> <property type=\"java.lang.String\" name=\"name\" length=\"255\" column=\"name\"/>\n" +
+                " <property type=\"java.lang.String\" name=\"phone\" length=\"255\" column=\"phone\"/>\n" +
+                "\n" +
+                " <set name=\"carList\" cascade=\"save-update\">\n" +
+                "     <key column=\"p_id\"/>\n" +
+                "     <one-to-many class=\"car\"/>\n" +
+                "</set>\n" +
+                "   </class>\n" +
+                "</hibernate-mapping>";
+        sessionUtil.addXml(xml);
+        Session session = sessionUtil.getSession();
+        HashMap hashMap = new HashMap();
+        HashMap carMap = new HashMap();
+        Set arrayList = new HashSet();
+        hashMap.put("name", "张三");
+        hashMap.put("phone", "李四");
+        carMap.put("name", "车1");
+        carMap.put("card", 1);
+        arrayList.add(carMap);
+
+        SessionImpl news= (SessionImpl) session;
+
+
+        hashMap.put("carList", arrayList);
+        session.save("p_c", hashMap);
+        session.getTransaction().begin();
+        session.getTransaction().commit();
+//        session.close();
+        Query from_p_c = session.createQuery("from p_c");
+        List list = from_p_c.list();
+        for (Object o : list) {
+            System.out.println(o);
+        }
+
+        System.out.println("1");
+    }
+
+    @Test
+    public void testOneToOne() {
+        String xml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" +
+                "<!DOCTYPE hibernate-mapping PUBLIC\n" +
+                "        \"-//Hibernate/Hibernate Mapping DTD 3.0//EN\"\n" +
+                "        \"http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd\">\n" +
+                "<hibernate-mapping>\n" +
+                "    <class entity-name=\"husband_wife\" table=\"wife\">\n" +
+                " <id name=\"id\" type=\"java.lang.Integer\" length=\"11\" unsaved-value=\"null\">\n" +
+                "            <generator class=\"identity\" />\n" +
+                "        </id> <property type=\"java.lang.String\" name=\"name\" length=\"255\" column=\"name\"/>\n" +
+                " <property type=\"java.lang.String\" name=\"age\" length=\"255\" column=\"age\"/>\n" +
+                "  <one-to-one name=\"wife_id\" class=\"husband\" cascade=\"save-update\"/>\n" +
+                "   </class>\n" +
+                "</hibernate-mapping>";
+
+        sessionUtil.addXml(xml);
+        Session session = sessionUtil.getSession();
+        Query query = session.createQuery("from  husband_wife");
+        List list = query.list();
+        list.forEach(o -> System.out.println(o));
+    }
+
+
+    @Test
+    public void testManyToMany() {
+        String xml = "" +
+                "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" +
+                "<!DOCTYPE hibernate-mapping PUBLIC\n" +
+                "        \"-//Hibernate/Hibernate Mapping DTD 3.0//EN\"\n" +
+                "        \"http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd\">\n" +
+                "<hibernate-mapping>\n" +
+                "    <class entity-name=\"stu_teacher_ref\" table=\"stus\">\n" +
+                " <id name=\"id\" type=\"java.lang.Integer\" length=\"11\" unsaved-value=\"null\">\n" +
+                "            <generator class=\"identity\" />\n" +
+                "        </id> <property type=\"java.lang.String\" name=\"name\" length=\"255\" column=\"name\"/>\n" +
+                " <property type=\"java.lang.String\" name=\"age\" length=\"255\" column=\"age\"/>\n" +
+                " <property type=\"java.lang.String\" name=\"sex\" length=\"255\" column=\"sex\"/>\n" +
+                " <property type=\"java.lang.String\" name=\"laike\" length=\"255\" column=\"laike\"/>\n" +
+                " <set name=\"teacher\" table=\"stu_teacher_ref\">\n" +
+                " \t<key column=\"student_id\"/>\n" +
+                " \t<many-to-many class=\"teacher\" column=\"teacher_id\"/>\n" +
+                " </set>\n" +
+                "\n" +
+                "   </class>\n" +
+                "</hibernate-mapping>";
+
+        sessionUtil.addXml(xml);
+        Session session = sessionUtil.getSession();
+
+        Query from_stus = session.createQuery("from stu_teacher_ref");
+        List list = from_stus.list();
+        System.out.println("$$$$$$$$$$$$$$$$$$$$$$$$$$$$");
+        list.forEach(o -> System.out.println(o));
+        System.out.println("$$$$$$$$$$$$$$$$$$$$$$$$$$$$");
+    }
+
+    @Test
+    public void tsetXMLOBJ() throws DocumentException {
+
+        String xml = "" +
+                "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" +
+                "<!DOCTYPE hibernate-mapping PUBLIC\n" +
+                "        \"-//Hibernate/Hibernate Mapping DTD 3.0//EN\"\n" +
+                "        \"http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd\">\n" +
+                "<hibernate-mapping>\n" +
+                "    <class entity-name=\"stu_teacher_ref\" table=\"stus\">\n" +
+                " <id name=\"id\" type=\"java.lang.Integer\" length=\"11\" unsaved-value=\"null\">\n" +
+                "            <generator class=\"identity\" />\n" +
+                "        </id> <property type=\"java.lang.String\" name=\"name\" length=\"255\" column=\"name\"/>\n" +
+                " <property type=\"java.lang.String\" name=\"age\" length=\"255\" column=\"age\"/>\n" +
+                " <property type=\"java.lang.String\" name=\"sex\" length=\"255\" column=\"sex\"/>\n" +
+                " <property type=\"java.lang.String\" name=\"laike\" length=\"255\" column=\"laike\"/>\n" +
+                " <set name=\"teacher\" table=\"stu_teacher_ref\">\n" +
+                " \t<key column=\"student_id\"/>\n" +
+                " \t<many-to-many class=\"teacher\" column=\"teacher_id\"/>\n" +
+                " </set>\n" +
+                "\n" +
+                "   </class>\n" +
+                "</hibernate-mapping>";
+
+        //创建解析器
+        Document document = DocumentHelper.parseText(xml);
+        Element classMapping = document.getRootElement().elements().get(0);
+        String set=" <set name=\"teacher\" table=\"stu_teacher_ref\">\n" +
+                " \t<key column=\"student_id\"/>\n" +
+                " \t<many-to-many class=\"teacher\" column=\"teacher_id\"/>\n" +
+                " </set>\n";
+        classMapping.addElement(set);
+        System.out.println(classMapping);
+        Element id = classMapping.element("id");
+        System.out.println(id);
+        List<Element> elements = classMapping.elements("property");
+        for (Element element : elements) {
+            System.out.println(element);
+        }
+    }
+
+    @Test
+    public void testOldProperty() throws DocumentException {
+        TableInfo stus = tableInfoDao.findByModelName("stus");
+        String xml = stus.getXml();
+
+        Document document = DocumentHelper.parseText(xml);
+        List<Element> elements = document.getRootElement().elements().get(0).elements();
+
+        for (Element element : elements) {
+            System.out.println(element.asXML());
+        }
+    }
+
+    @Test
+    public void tsetCreateXml1(){
+        TableInfo wife = tableInfoDao.findByModelName("car");
+//        System.out.println(wife);
+        String s = AggregationUtil.addOneToOne("wife_id", "husband", wife.getXml());
+        System.out.println(s);
+    }
+    @Test
+    public void tsetCreateXml2(){
+        TableInfo people = tableInfoDao.findByModelName("people");
+        String xml = people.getXml();
+
+        String s = AggregationUtil.addOneToMany("people", "car", "p_id", xml);
+        System.out.println(s);
+    }
+    @Test
+    public void tsetCreateXml3(){
+        TableInfo teacher = tableInfoDao.findByModelName("teacher");
+
+        String xml = teacher.getXml();
+        String s = AggregationUtil.addManyToMany("teacher", "stus", xml);
+        System.out.println(s);
+    }
+
 }