From ce3e4627714ba5f0a66a5954218d5e13961b8e6f Mon Sep 17 00:00:00 2001
From: dengqichen <dengqichen@iscmtech.com>
Date: Tue, 26 Nov 2024 22:47:00 +0800
Subject: [PATCH] =?UTF-8?q?=E8=BF=81=E7=A7=BB=E5=AE=9E=E4=BD=93=E7=B1=BB?=
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---
 .../deploy/backend/entity/UserRole.java       | 39 +++++++++++++++----
 1 file changed, 32 insertions(+), 7 deletions(-)

diff --git a/backend/src/main/java/com/qqchen/deploy/backend/entity/UserRole.java b/backend/src/main/java/com/qqchen/deploy/backend/entity/UserRole.java
index da1cfe54..c2a230c1 100644
--- a/backend/src/main/java/com/qqchen/deploy/backend/entity/UserRole.java
+++ b/backend/src/main/java/com/qqchen/deploy/backend/entity/UserRole.java
@@ -3,6 +3,7 @@ package com.qqchen.deploy.backend.entity;
 import com.qqchen.deploy.backend.common.annotation.LogicDelete;
 import com.qqchen.deploy.backend.common.domain.Entity;
 import jakarta.persistence.Column;
+import jakarta.persistence.FetchType;
 import jakarta.persistence.GenerationType;
 import jakarta.persistence.JoinColumn;
 import jakarta.persistence.ManyToOne;
@@ -18,11 +19,35 @@ import lombok.EqualsAndHashCode;
 @LogicDelete
 public class UserRole extends Entity<Long> {
 
-    @ManyToOne // 多对一关系
-    @JoinColumn(name = "user_id") // 外键列
-    private User user; // 用户
+    @ManyToOne(fetch = FetchType.LAZY)  // 添加懒加载
+    @JoinColumn(name = "user_id")
+    private User user;
 
-    @ManyToOne // 多对一关系
-    @JoinColumn(name = "role_id") // 外键列
-    private Role role; // 角色
-} 
\ No newline at end of file
+    @ManyToOne(fetch = FetchType.LAZY)  // 添加懒加载
+    @JoinColumn(name = "role_id")
+    private Role role;
+
+    // 添加构造方法
+    protected UserRole() {
+        // JPA需要无参构造方法
+    }
+
+    public UserRole(User user, Role role) {
+        this.user = user;
+        this.role = role;
+    }
+
+    // 重写equals和hashCode方法，避免无限递归
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (!(o instanceof UserRole)) return false;
+        UserRole userRole = (UserRole) o;
+        return getId() != null && getId().equals(userRole.getId());
+    }
+
+    @Override
+    public int hashCode() {
+        return getClass().hashCode();
+    }
+}
\ No newline at end of file