feat(crm): 添加某一合同下财务和异议信息查询功能

- 在CrmOrderItemController中新增getContractFinance接口用于查询合同关联的财务和异议数据
- 在CrmOrderItemService及其实现类中添加queryFinanceAndObjectionByContractId方法
- 创建CrmContractOrderFinanceVo数据传输对象封装异议列表和应收款列表
- 实现通过合同ID查询其下属订单的销售异议和财务信息的完整逻辑
- 修改全局异常处理器统一返回系统异常提示信息

klp-crm/src/main/java/com/klp/crm/controller/CrmOrderItemController.java

@@ -18,6 +18,7 @@ import com.klp.common.core.validate.EditGroup;
 import com.klp.common.enums.BusinessType;
 import com.klp.common.utils.poi.ExcelUtil;
 import com.klp.crm.domain.vo.CrmOrderItemVo;
+import com.klp.crm.domain.vo.CrmContractOrderFinanceVo;
 import com.klp.crm.domain.bo.CrmOrderItemBo;
 import com.klp.crm.service.ICrmOrderItemService;
 import com.klp.common.core.page.TableDataInfo;
@@ -96,4 +97,10 @@ public class CrmOrderItemController extends BaseController {
                           @PathVariable String[] itemIds) {
         return toAjax(iCrmOrderItemService.deleteWithValidByIds(Arrays.asList(itemIds), true));
     }
+
+    @GetMapping("/contractFinance/{contractId}")
+    public R<CrmContractOrderFinanceVo> getContractFinance(@NotNull(message = "合同ID不能为空")
+                                                            @PathVariable Long contractId) {
+        return R.ok(iCrmOrderItemService.queryFinanceAndObjectionByContractId(contractId));
+    }
 }