fix(supplierPerformance): 修复删除评价请求时的数据查询问题

- 修改SQL查询逻辑，将INNER JOIN改为EXISTS子查询以优化性能
- 调整删除流程，在删除前先查询获取必要数据避免删除后无法获取
- 修复删除失败时的错误提示信息
- 增加数据存在性验证确保删除操作的准确性

src/main/java/com/xujie/modules/supplierPerformance/service/impl/PerEvaluateRequestServiceImpl.java

@@ -302,12 +302,16 @@ public class PerEvaluateRequestServiceImpl extends ServiceImpl<PerEvaluateReques
     @Override
     @Transactional(rollbackFor = Exception.class)
     public ResponseData perEvaluateRequestDelete(PerEvaluateRequestEntity data) {
+        // 先查询再删除，删除后无法根据 id 再查到 requestNo/site
+        PerEvaluateRequestEntity one = lambdaQuery().eq(PerEvaluateRequestEntity::getId, data.getId()).one();
+        if (one == null) {
+            return buildError("单据不存在，删除失败 requestId=" + data.getId());
+        }
         // 删除头
         boolean hDel = removeById(data);
         if (!hDel) {
-            return buildError("单据不存在或删除失败 requestId=" + data.getId());
+            return buildError("单据删除失败 requestId=" + data.getId());
         }
-        PerEvaluateRequestEntity one = lambdaQuery().eq(PerEvaluateRequestEntity::getId, data.getId()).one();
         // 删除责任人明细
         perEvaluateRequestDetailMapper.delete(new QueryWrapper<PerEvaluateRequestOwnerEntity>()
                 .eq("site", one.getSite())

src/main/resources/mapper/supplierPerformance/PerEvaluateRequestMapper.xml

@@ -19,14 +19,16 @@
         LEFT JOIN performance_indicator_template pit
         ON pit.site = a.site
         AND pit.template_no = a.template_no
+        <where>
+            a.site = #{query.site}
             <if test="query.selectType == 3">
-            INNER JOIN per_evaluate_request_owner o
-            ON o.site = a.site
+                AND EXISTS (
+                    SELECT 1 FROM per_evaluate_request_owner o
+                    WHERE o.site = a.site
                     AND o.request_no = a.request_no
                     AND o.owner = #{query.username}
+                )
             </if>
-        <where>
-            a.site = #{query.site}
             <if test="query.selectType == 1">
                 AND a.create_by = #{query.username}
             </if>