add dup_key

models/goods/orders.go

 		return err
 	}
 
+	now := time.Now().Local()
+
 	// order.OrdersId = guid.NewGUIDString()
 	order.OrgId = caseInfo.OrgId
-	order.CreateDate = time.Now().Local()
+	order.CreateDate = now
 	order.Status = models.STATUS_NORMAL
 	order.IsPay = models.BOOL_TRUE // 默认已支付
 	order.CouponAmount = "0"
 	order.IsIntimidate = INTIMIDATE_NO
+	order.DupKey = utils.GetFiveSeconds(now)
 
 	// 当前订单号的随机方式 = 时间 + 个人ID
-	ordersno := "G-" + time.Now().Local().Format("20060102150405") + "-" + strings.Join(utils.GUIID2IntString(order.UserId), "")
+	ordersno := "G-" + now.Format("20060102150405") + "-" + strings.Join(utils.GUIID2IntString(order.UserId), "")
 	if len(ordersno) > 32 {
 		ordersno = string([]byte(ordersno)[:32])
 	}

models/model/ta_goods_orders.go

 	ActualAmount string `xorm:"DECIMAL(8,2)"`
 	CouponAmount string `xorm:"DECIMAL(8,2)"`
 	IsIntimidate int    `xorm:"SMALLINT(6)"`
+	DupKey       string `xorm:"VARCHAR(32)"`
 }

utils/utils.go

 	var code string = "66" + strconv.Itoa(temp1) + temp4 + strconv.Itoa(temp2) + temp3 + strconv.Itoa(temp5)
 	return code
 }
+
+// GetFiveSeconds 获取 5 秒钟的时间
+func GetFiveSeconds(t time.Time) string {
+	str := t.Format("20060102150405")
+	strLen := len(str)
+
+	lastNum, _ := strconv.Atoi(str[strLen-1:])
+	if lastNum < 5 {
+		lastNum = 0
+	} else {
+		lastNum = 5
+	}
+
+	return str[:strLen-1] + strconv.Itoa(lastNum)
+}

utils/utils_test.go

 	"spaceofcheng/services/utils"
 	"strings"
 	"testing"
+	"time"
 )
 
 func TestStrSliceIndexOf(t *testing.T) {
 		}
 	}
 }
+
+func TestGetFiveSeconds(t *testing.T) {
+	cases := []map[string]string{
+		map[string]string{
+			"case":     "2018-10-07 13:21:40",
+			"expected": "20181007132140",
+		},
+		map[string]string{
+			"case":     "2018-10-07 13:21:42",
+			"expected": "20181007132140",
+		},
+		map[string]string{
+			"case":     "2018-10-07 13:21:45",
+			"expected": "20181007132145",
+		},
+		map[string]string{
+			"case":     "2018-10-07 13:21:48",
+			"expected": "20181007132145",
+		},
+	}
+
+	for _, cs := range cases {
+		dt, _ := time.Parse("2006-01-02 15:04:05", cs["case"])
+		res := utils.GetFiveSeconds(dt)
+		if res != cs["expected"] {
+			t.Fatalf("TestGetFiveSeconds fail : %s", cs["case"])
+		}
+	}
+}