feat(report):完成峰谷用户抄表Excel导出功能。

controller/end_user.go

@@ -1,6 +1,7 @@
 package controller
 
 import (
+	"electricity_bill_calc/excel"
 	"electricity_bill_calc/response"
 	"electricity_bill_calc/security"
 	"electricity_bill_calc/service"
@@ -12,6 +13,7 @@ import (
 
 func InitializeEndUserController(router *gin.Engine) {
 	router.GET("/report/:rid/submeter", security.EnterpriseAuthorize, fetchEndUserInReport)
+	router.GET("/report/:rid/meter/template", security.EnterpriseAuthorize, downloadEndUserRegisterTemplate)
 }
 
 func fetchEndUserInReport(c *gin.Context) {
@@ -38,3 +40,24 @@ func fetchEndUserInReport(c *gin.Context) {
 		gin.H{"meters": endUsers},
 	)
 }
+
+func downloadEndUserRegisterTemplate(c *gin.Context) {
+	result := response.NewResult(c)
+	requestReportId := c.Param("rid")
+	if !ensureReportBelongs(c, result, requestReportId) {
+		return
+	}
+	users, err := service.EndUserService.AllEndUserRecord(requestReportId)
+	if err != nil {
+		result.NotFound(err.Error())
+		return
+	}
+	gen := excel.NewMeterPVExcelTemplateGenerator()
+	defer gen.Close()
+	gen.WriteMeterData(users)
+	c.Status(http.StatusOK)
+	c.Header("Content-Type", "application/octet-stream")
+	c.Header("Content-Transfer-Encoding", "binary")
+	c.Header("Content-Disposition", "attachment; filename=抄表记录.xslx")
+	gen.WriteTo(c.Writer)
+}