feat(report):已完成用户抄表记录的上传处理。

exceptions/batch_error.go

@@ -0,0 +1,34 @@
+package exceptions
+
+import (
+	"electricity_bill_calc/excel"
+	"fmt"
+)
+
+type BatchError struct {
+	Errs []error
+}
+
+func NewBatchError() *BatchError {
+	return &BatchError{Errs: make([]error, 0)}
+}
+
+func (e *BatchError) AddError(errs ...error) {
+	e.Errs = append(e.Errs, errs...)
+}
+
+func (e BatchError) Len() int {
+	return len(e.Errs)
+}
+
+func NewBatchExcelAnalysisError(errs []excel.ExcelAnalysisError) *BatchError {
+	be := &BatchError{Errs: make([]error, 0)}
+	for _, e := range errs {
+		be.Errs = append(be.Errs, e)
+	}
+	return be
+}
+
+func (e BatchError) Error() string {
+	return fmt.Sprintf("存在批量错误，共 %d 个", len(e.Errs))
+}