From f173fe42858f37ac02d1f229e1231d46b619f1e1 Mon Sep 17 00:00:00 2001
From: linfeng <2445465217@qq.com>
Date: Mon, 24 Jul 2023 10:14:41 +0800
Subject: [PATCH] =?UTF-8?q?=E5=88=86=E7=B1=BB=E5=90=8D=E4=BF=AE=E6=94=B9?=
 =?UTF-8?q?=E9=87=8D=E5=A4=8D=E9=97=AE=E9=A2=98=E6=A0=A1=E9=AA=8C?=
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---
 .../admin/controller/CategoryController.java   |  2 +-
 .../modules/admin/service/CategoryService.java |  2 ++
 .../service/impl/CategoryServiceImpl.java      | 18 ++++++++++++++++--
 3 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/src/main/java/io/linfeng/modules/admin/controller/CategoryController.java b/src/main/java/io/linfeng/modules/admin/controller/CategoryController.java
index 173fff0..1216fa5 100644
--- a/src/main/java/io/linfeng/modules/admin/controller/CategoryController.java
+++ b/src/main/java/io/linfeng/modules/admin/controller/CategoryController.java
@@ -79,7 +79,7 @@ public class CategoryController {
     @RequiresPermissions("admin:category:update")
     @ApiOperation("分类修改")
     public R update(@RequestBody CategoryEntity category){
-		categoryService.updateById(category);
+		categoryService.updateCategory(category);
 
         return R.ok();
     }
diff --git a/src/main/java/io/linfeng/modules/admin/service/CategoryService.java b/src/main/java/io/linfeng/modules/admin/service/CategoryService.java
index 2945355..8c56121 100644
--- a/src/main/java/io/linfeng/modules/admin/service/CategoryService.java
+++ b/src/main/java/io/linfeng/modules/admin/service/CategoryService.java
@@ -33,5 +33,7 @@ public interface CategoryService extends IService<CategoryEntity> {
     void saveCategory(CategoryEntity category);
 
     void deleteByIdList(List<Integer> list);
+
+    void updateCategory(CategoryEntity category);
 }
 
diff --git a/src/main/java/io/linfeng/modules/admin/service/impl/CategoryServiceImpl.java b/src/main/java/io/linfeng/modules/admin/service/impl/CategoryServiceImpl.java
index ca9a57e..d14bc11 100644
--- a/src/main/java/io/linfeng/modules/admin/service/impl/CategoryServiceImpl.java
+++ b/src/main/java/io/linfeng/modules/admin/service/impl/CategoryServiceImpl.java
@@ -58,8 +58,10 @@ public class CategoryServiceImpl extends ServiceImpl<CategoryDao, CategoryEntity
     @Override
     @Transactional(rollbackFor = Exception.class)
     public void saveCategory(CategoryEntity category) {
-        Integer count = this.lambdaQuery().eq(CategoryEntity::getCateName, category.getCateName()).count();
-        if (count != 0) {
+        Integer count = this.lambdaQuery()
+                .eq(CategoryEntity::getCateName, category.getCateName())
+                .count();
+        if (count > 0) {
             throw new LinfengException("分类名不能重复");
         }
         this.save(category);
@@ -83,4 +85,16 @@ public class CategoryServiceImpl extends ServiceImpl<CategoryDao, CategoryEntity
         this.removeByIds(list);
     }
 
+    @Override
+    public void updateCategory(CategoryEntity category) {
+        Integer count = this.lambdaQuery()
+                .eq(CategoryEntity::getCateName, category.getCateName())
+                .count();
+        if (count > 1) {
+            throw new LinfengException("分类名不能重复");
+        }
+        this.updateById(category);
+    }
+
+
 }
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