哈哈

business/jxstore/tempop/tempop.go

@@ -1584,6 +1584,33 @@ func UploadJdsImage(ctx *jxcontext.Context) (err error) {
 	// fmt.Println("updateList2", utils.Format4Output(updateList, false))
 	// fmt.Println("deleteList2", deleteList)
 	// cms.DeletedDuplicateWaitAuditData(ctx, dao.GetDB())
+	type tmp struct {
+		jdID string
+		s    float64
+	}
+	var (
+		ss []*tmp
+	)
+	storeMaps, _ := dao.GetStoresMapList(dao.GetDB(), []int{model.VendorIDJD}, nil, nil, model.StoreStatusAll, model.StoreIsSyncAll, "", "")
+	for _, v := range storeMaps {
+		station, _ := jd.GetAPI("320406").GetDeliveryRangeByStationNo2(v.VendorStoreID)
+		if station.DeliveryRangeType == 2 {
+			ss = append(ss, &tmp{
+				jdID: v.VendorStoreID,
+				s:    jxutils.ComputeSignedArea(strings.Split(station.DeliveryRange, ";")),
+			})
+		}
+	}
+	for i := 0; i < len(ss)-1; i++ {
+		for j := 0; j < len(ss)-1-i; j++ {
+			if ss[j].s > ss[j+1].s {
+				temp := ss[j]
+				ss[j] = ss[j+1]
+				ss[j+1] = temp
+			}
+		}
+	}
+	fmt.Println("111111111111111111111111111111111111111", utils.Format4Output(ss, false))
 	return err
 }
 

business/jxutils/jxutils.go

@@ -974,3 +974,33 @@ func GetDefendPriceIssue() (issue int) {
 func GetLastDefendPriceIssue() (issue int) {
 	return utils.Str2Int(time.Now().AddDate(0, 0, 1).Format("20060102"))
 }
+
+//根据一堆坐标求面积
+//有待考证，不过暂时拿来用
+func ComputeSignedArea(path []string) (s float64) {
+	var (
+		radius = 6371009
+		len    = len(path)
+		total  float64
+		prev   = path[len-1]
+	)
+	if len < 3 {
+		return
+	}
+	prevTanLat := math.Tan(((math.Pi/2 - utils.Str2Float64(strings.Split(prev, ",")[1])/180*math.Pi) / 2))
+	prevLng := utils.Str2Float64(strings.Split(prev, ",")[0]) / 180 * math.Pi
+	for i := 0; i < len; i++ {
+		tanLat := math.Tan(((math.Pi/2 - utils.Str2Float64(strings.Split(path[i], ",")[1])/180*math.Pi) / 2))
+		lng := utils.Str2Float64(strings.Split(path[i], ",")[0]) / 180 * math.Pi
+		total += polarTriangleArea(tanLat, lng, prevTanLat, prevLng)
+		prevTanLat = tanLat
+		prevLng = lng
+	}
+	return math.Abs(total * (float64(radius) * float64(radius)))
+}
+
+func polarTriangleArea(tan1, lng1, tan2, lng2 float64) (s float64) {
+	deltaLng := lng1 - lng2
+	t := tan1 * tan2
+	return 2 * math.Atan2(t*math.Sin(deltaLng), 1+t*math.Cos(deltaLng))
+}