商品分类保存添加编码校验

src/main/java/com/qs/serve/modules/goods/controller/GoodsCategoryController.java

@@ -6,6 +6,7 @@ import com.qs.serve.common.model.dto.PageVo;
 import com.qs.serve.common.model.dto.R;
 import com.qs.serve.common.model.enums.BizType;
 import com.qs.serve.common.model.enums.SystemModule;
+import com.qs.serve.common.util.Assert;
 import com.qs.serve.common.util.CopierUtil;
 import com.qs.serve.common.util.PageUtil;
 import com.qs.serve.common.util.TreeUtil;
@@ -154,6 +155,11 @@ public class GoodsCategoryController {
     @SysLog(module = SystemModule.GOODS, title = "分类", biz = BizType.INSERT)
     @PreAuthorize("hasRole('goods:category:insert')")
     public R<?> save(@RequestBody @Valid GoodsCategory param){
+        LambdaQueryWrapper<GoodsCategory> lqw = new LambdaQueryWrapper<>();
+        lqw.eq(GoodsCategory::getCode,param.getCode());
+        if(goodsCategoryService.count(lqw)>0){
+            Assert.throwEx("存在重复编码，不能新增！");
+        }
         goodsCategoryService.add(param);
         return R.ok();
     }