//获取用户获取的优惠券列表 func GetCouponList(c *gin.Context) { defer func() { if r := recover(); r != nil { util.LogStack(r.(error)) c.JSON(RequestSuccess, gin.H{"status": SysError, "data": r, "err_msg": "服务器内部错误"}) return } }() var ( loginToken string luck_draw_res []int getErr error user_id int params map[string]string ) coupon_list := make([]map[string]interface{}, 0) if luck_draw_res != nil { for _, val := range luck_draw_res { item := coupon_map[val] item["id"] = strconv.Itoa(val) title := item["title"] item["quota"] = substr(title) coupon_list = append(coupon_list, item) } fmt.Println(coupon_list) // //[map[desc:15w元以上可用 id:53 quota:5888 title:5888元] map[desc:20w以上可用 id:52 quota:7888 title:7888元]] Sort("quota", coupon_list) //排序,第一个参数是指定的key } c.JSON(http.StatusOK, gin.H{"status": StatusSuccess, "data": coupon_list, "msg": "Success"}); return } //截取字符串 func substr(title interface{}) int { title_pro := title.(string) rs := []rune(title_pro) str := string(rs[0:len(rs)-1]) val,_ := strconv.Atoi(str) return val //这里截取后 } //排序 start type MapsSort struct { Key string MapList []map[string]interface{} } func (m *MapsSort) Len() int { return len(m.MapList) } func (m *MapsSort) Less(i, j int) bool { return m.MapList[i][m.Key].(int) > m.MapList[j][m.Key].(int) } func (m *MapsSort) Swap(i, j int) { m.MapList[i], m.MapList[j] = m.MapList[j], m.MapList[i] } func Sort(key string, maps []map[string]interface{}) []map[string]interface{} { mapsSort := MapsSort{} mapsSort.Key = key mapsSort.MapList = maps sort.Sort(&mapsSort) return mapsSort.MapList } //排序 end