test bug: Error creating bean with name 'entityManagerFactory'

src/main/java/com/example/springdemo/dao/OrdersRepository.java

@@ -1,10 +1,10 @@
 package com.example.springdemo.dao;
 
 import com.example.springdemo.entities.Orders;
-import org.springframework.data.repository.CrudRepository;
+import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.stereotype.Repository;
 
 @Repository
 public interface OrdersRepository
-        extends CrudRepository<Orders, Long> {
+        extends JpaRepository<Orders, Long> {
 }

src/main/java/com/example/springdemo/entities/Dishes.java

@@ -26,7 +26,9 @@ public class Dishes {
     private BigDecimal finalPrice;//菜品最终价格
     private String description;//菜品描述
 
-    @ManyToOne(cascade = CascadeType.ALL, fetch = FetchType.EAGER)
-    @JoinColumn(name = "merchantsID", referencedColumnName = "id")
+    @ManyToOne(cascade = CascadeType.ALL, fetch = FetchType.LAZY)
+    @JoinTable(name = "merchants_dishes",
+            joinColumns = {@JoinColumn(name = "dishesID", referencedColumnName = "id")},
+            inverseJoinColumns = {@JoinColumn(name = "merchantsID", referencedColumnName = "id")})
     private Merchants merchants;//商家
 }

src/main/java/com/example/springdemo/entities/Merchants.java

@@ -7,7 +7,6 @@ import java.util.ArrayList;
 import java.util.List;
 
 @Data
-@Builder
 @NoArgsConstructor
 @AllArgsConstructor
 @Entity
@@ -23,6 +22,9 @@ public class Merchants {
     private String description;//店铺描述
 
     //商家和菜品是一对多的关系，有mappedBy的时候，表示Merchants的dishes 字段放弃维护权，而将维护权交给了Dishes的关联属性merchants
-    @OneToMany(cascade = CascadeType.ALL, fetch = FetchType.LAZY, mappedBy = "merchants")
+    @OneToMany(cascade = CascadeType.ALL, fetch = FetchType.LAZY)
+    @JoinTable(name = "Merchants_Dishes",
+            joinColumns = @JoinColumn(name = "merchantsID"),
+            inverseJoinColumns = @JoinColumn(name = "dishesID"))
     private List<Dishes> dishes = new ArrayList<>();//菜品
 }

src/main/java/com/example/springdemo/entities/OrderDishes.java

@@ -18,7 +18,7 @@ public class OrderDishes {
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long id;//主键ID
 
-    @OneToOne(cascade = CascadeType.ALL)
+    @OneToOne(cascade = CascadeType.ALL, fetch = FetchType.LAZY)
     @PrimaryKeyJoinColumn(name = "dishesID", referencedColumnName = "id")
     private Dishes dishes;//菜品ID
 
@@ -26,7 +26,9 @@ public class OrderDishes {
     @PrimaryKeyJoinColumn(name = "merchantsID", referencedColumnName = "id")
     private Merchants merchants;//商家ID
 
-    @ManyToOne(cascade = CascadeType.ALL, fetch = FetchType.EAGER)
-    @JoinColumn(name = "ordersID", referencedColumnName = "id")
+    @ManyToOne(cascade = CascadeType.ALL, fetch = FetchType.LAZY)
+    @JoinTable(name = "orders_orderDishes",
+            joinColumns = @JoinColumn(name = "orderDishesID"),
+            inverseJoinColumns = @JoinColumn(name = "ordersID"))
     private Orders orders;//订单ID
 }

src/main/java/com/example/springdemo/entities/Orders.java

@@ -11,7 +11,6 @@ import java.util.List;
 
 //订单类
 @Data
-@Builder
 @NoArgsConstructor
 @AllArgsConstructor
 @Entity
@@ -21,12 +20,17 @@ public class Orders {
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long id;//订单ID
 
-    @OneToMany(cascade = CascadeType.ALL, mappedBy = "orders")
+    @OneToMany(cascade = CascadeType.ALL, fetch = FetchType.LAZY)
+    @JoinTable(name = "orders_orderDishes",
+            joinColumns = {@JoinColumn(name = "ordersID", referencedColumnName = "id")},
+            inverseJoinColumns = {@JoinColumn(name = "orderDishesID", referencedColumnName = "id")})
     private List<OrderDishes> orderDishes = new ArrayList<>();//订单中的菜品
 
     //多个订单对应一个用户，关系是多对一，订单创建后添加用户ID，可以主动改变关系，因此是主控方
-    @ManyToOne(cascade = CascadeType.ALL, fetch = FetchType.EAGER)
-    @JoinTable()
+    @ManyToOne(cascade = CascadeType.ALL, fetch = FetchType.LAZY)
+    @JoinTable(name = "users_orders",
+            joinColumns = {@JoinColumn(name = "ordersID", referencedColumnName = "id")},
+            inverseJoinColumns = {@JoinColumn(name = "usersID", referencedColumnName = "id")})
     private Users user;//外键，下单用户
 
     @Column(name = "allPrice")

src/main/java/com/example/springdemo/entities/RBAC/RolesPermissions.java

@@ -9,7 +9,7 @@ import java.util.List;
 @Data
 @NoArgsConstructor
 @Entity
-@Table(name = "RolesPermissions")
+@Table(name = "roles_permissions")
 public class RolesPermissions {
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)

src/main/java/com/example/springdemo/entities/Users.java

@@ -28,11 +28,15 @@ public class Users {
     private String address;//家庭住址
 
     //一个用户可能会有多个订单，关系是一对多
-    @OneToMany(cascade = CascadeType.ALL, fetch = FetchType.EAGER)
-    @JoinColumn(name = "id")
+    @OneToMany(cascade = CascadeType.ALL, fetch = FetchType.LAZY)
+    @JoinTable(name = "users_orders",
+            joinColumns = {@JoinColumn(name = "usersID", referencedColumnName = "id")},
+            inverseJoinColumns = {@JoinColumn(name = "ordersID", referencedColumnName = "id")})
     private List<Orders> orders = new ArrayList<>();//订单
 
-    @ManyToOne(cascade = CascadeType.ALL, fetch = FetchType.EAGER)
-    @JoinColumn(name = "rolesID", referencedColumnName = "id")
+    @ManyToOne(cascade = CascadeType.ALL, fetch = FetchType.LAZY)
+    @JoinTable(name = "users_roles",
+            joinColumns = {@JoinColumn(name = "usersID", referencedColumnName = "id")},
+            inverseJoinColumns = {@JoinColumn(name = "rolesID", referencedColumnName = "id")})
     private Roles roles;//RBAC角色
 }