From 1ffca36f108b94107dba5d60db5e6b2147385af5 Mon Sep 17 00:00:00 2001 From: myh Date: Sat, 11 Nov 2023 17:18:54 +0800 Subject: [PATCH] test bug: Error creating bean with name 'entityManagerFactory' --- .../com/example/springdemo/dao/OrdersRepository.java | 4 ++-- .../java/com/example/springdemo/entities/Dishes.java | 6 ++++-- .../com/example/springdemo/entities/Merchants.java | 6 ++++-- .../com/example/springdemo/entities/OrderDishes.java | 8 +++++--- .../java/com/example/springdemo/entities/Orders.java | 12 ++++++++---- .../springdemo/entities/RBAC/RolesPermissions.java | 2 +- .../java/com/example/springdemo/entities/Users.java | 12 ++++++++---- 7 files changed, 32 insertions(+), 18 deletions(-) diff --git a/src/main/java/com/example/springdemo/dao/OrdersRepository.java b/src/main/java/com/example/springdemo/dao/OrdersRepository.java index bb98d27..72017f9 100644 --- a/src/main/java/com/example/springdemo/dao/OrdersRepository.java +++ b/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 { + extends JpaRepository { } diff --git a/src/main/java/com/example/springdemo/entities/Dishes.java b/src/main/java/com/example/springdemo/entities/Dishes.java index 664fa49..359b182 100644 --- a/src/main/java/com/example/springdemo/entities/Dishes.java +++ b/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 } diff --git a/src/main/java/com/example/springdemo/entities/Merchants.java b/src/main/java/com/example/springdemo/entities/Merchants.java index dd79452..5735c72 100644 --- a/src/main/java/com/example/springdemo/entities/Merchants.java +++ b/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 = new ArrayList<>();//菜品 } diff --git a/src/main/java/com/example/springdemo/entities/OrderDishes.java b/src/main/java/com/example/springdemo/entities/OrderDishes.java index bd349b3..bfabd7c 100644 --- a/src/main/java/com/example/springdemo/entities/OrderDishes.java +++ b/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 } \ No newline at end of file diff --git a/src/main/java/com/example/springdemo/entities/Orders.java b/src/main/java/com/example/springdemo/entities/Orders.java index 2493203..3bbedd8 100644 --- a/src/main/java/com/example/springdemo/entities/Orders.java +++ b/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 = 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") diff --git a/src/main/java/com/example/springdemo/entities/RBAC/RolesPermissions.java b/src/main/java/com/example/springdemo/entities/RBAC/RolesPermissions.java index aacb842..99a4ac7 100644 --- a/src/main/java/com/example/springdemo/entities/RBAC/RolesPermissions.java +++ b/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) diff --git a/src/main/java/com/example/springdemo/entities/Users.java b/src/main/java/com/example/springdemo/entities/Users.java index 504880c..4993995 100644 --- a/src/main/java/com/example/springdemo/entities/Users.java +++ b/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 = 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 }