优化抢购逻辑,提高抢购成功率、添加自动检测会话状态

等待下周测试

jd_seckill/seckill.go

@@ -78,7 +78,7 @@ func (this *Seckill) getSeckillUrl() (string,error) {
 			break
 		}
 		log.Println("抢购链接获取失败，稍后自动重试")
-		time.Sleep(3*time.Millisecond)
+		time.Sleep(300*time.Millisecond)
 	}
 	//https://divide.jd.com/user_routing?skuId=8654289&sn=c3f4ececd8461f0e4d7267e96a91e0e0&from=pc
 	url=strings.ReplaceAll(url,"divide","marathon")
@@ -158,14 +158,12 @@ func (this *Seckill) SubmitSeckillOrder() bool {
 	invoiceContentType:="-1"
 	invoicePhone:=""
 	invoicePhoneKey:=""
+	invoiceInfo:="false"
 	if isinvoiceInfo {
 		invoiceTitle=gjson.Get(initInfo,"invoiceInfo.invoiceTitle").String()
 		invoiceContentType=gjson.Get(initInfo,"invoiceInfo.invoiceContentType").String()
 		invoicePhone=gjson.Get(initInfo,"invoiceInfo.invoicePhone").String()
 		invoicePhoneKey=gjson.Get(initInfo,"invoiceInfo.invoicePhoneKey").String()
-	}
-	invoiceInfo:="false"
-	if isinvoiceInfo {
 		invoiceInfo="true"
 	}
 	token:=gjson.Get(initInfo,"token").String()

jd_seckill/user.go

@@ -121,7 +121,7 @@ func (this *User) GetUserInfo() (string,error) {
 				break
 			}
 			errorCount=errorCount-1
-			time.Sleep(3*time.Millisecond)
+			time.Sleep(300*time.Millisecond)
 		}else{
 			break
 		}

main.go

@@ -11,7 +11,6 @@ import (
 	"net/http"
 	"os"
 	"runtime"
-	"sync"
 	"time"
 )
 
@@ -21,7 +20,7 @@ var cookieJar *httpc.CookieJar
 
 var config *goconfig.ConfigFile
 
-var wg *sync.WaitGroup
+var seckillStatus chan bool
 
 func init()  {
 	//客户端设置初始化
@@ -40,8 +39,8 @@ func init()  {
 		os.Exit(0)
 	}
 
-	wg=new(sync.WaitGroup)
-	wg.Add(1)
+	//抢购状态管道
+	seckillStatus=make(chan bool)
 }
 
 func main()  {
@@ -64,16 +63,19 @@ func main()  {
 	_,err=user.TicketInfo(ticket)
 	if err==nil {
 		log.Println("登录成功")
-		//刷新用户状态和获取用户信息
+		//刷新用户状态
 		if status:=user.RefreshStatus();status==nil {
+			//活跃用户会话,当会话失效自动退出程序
+			go KeepSession(user)
+			//获取用户信息
 			userInfo,_:=user.GetUserInfo()
 			log.Println("用户:"+userInfo)
 			//开始预约,预约过的就重复预约
 			seckill:=jd_seckill.NewSeckill(client,config)
 			seckill.MakeReserve()
-			//等待抢购/开始抢购
+			//计算抢购时间
 			nowLocalTime:=time.Now().UnixNano()/1e6
-			jdTime,_:=getJdTime()
+			jdTime,_:=GetJdTime()
 			buyDate:=config.MustValue("config","buy_time","")
 			loc, _ := time.LoadLocation("Local")
 			t,_:=time.ParseInLocation("2006-01-02 15:04:05",buyDate,loc)
@@ -85,18 +87,22 @@ func main()  {
 				log.Println("请设置抢购时间")
 				os.Exit(0)
 			}
+			//等待抢购
 			time.Sleep(time.Duration(timerTime)*time.Millisecond)
-			//开启任务
+			//开始抢购
 			log.Println("时间到达，开始执行……")
-			start(seckill,5)
-			wg.Wait()
+			//开启抢购任务,第二个参数为开启几个协程
+			//怕封号的可以减少协程数量,相反抢到的成功率也减低了
+			Start(seckill,5)
+		}else{
+			log.Println("登录失效")
 		}
 	}else{
 		log.Println("登录失败")
 	}
 }
 
-func getJdTime() (int64,error) {
+func GetJdTime() (int64,error) {
 	req:=httpc.NewRequest(client)
 	resp,body,err:=req.SetUrl("https://a.jd.com//ajax/queryServerData.html").SetMethod("get").Send().End()
 	if err!=nil || resp.StatusCode!=http.StatusOK {
@@ -106,12 +112,54 @@ func getJdTime() (int64,error) {
 	return gjson.Get(body,"serverTime").Int(),nil
 }
 
-func start(seckill *jd_seckill.Seckill,taskNum int)  {
-	for i:=1;i<=taskNum;i++ {
-		go func(seckill *jd_seckill.Seckill) {
-			seckill.RequestSeckillUrl()
-			seckill.SeckillPage()
-			seckill.SubmitSeckillOrder()
-		}(seckill)
+func Start(seckill *jd_seckill.Seckill,taskNum int)  {
+	seckillTotalTime:=time.Now().Add(2*time.Minute).Unix()
+	//开始检测抢购状态
+	go CheckSeckillStatus()
+	//抢购总时间两分钟,超时程序自动退出
+	for time.Now().Unix()<seckillTotalTime {
+		for i:=1;i<=taskNum;i++ {
+			go task(seckill)
+		}
+		//每隔1.5秒执行一次
+		//怕封号的可以增加间隔时间,相反抢到的成功率也减低了
+		time.Sleep(1500*time.Millisecond)
+	}
+	log.Println("抢购结束，具体详情请查看日志")
+}
+
+func task(seckill *jd_seckill.Seckill)  {
+	seckill.RequestSeckillUrl()
+	seckill.SeckillPage()
+	flag:=seckill.SubmitSeckillOrder()
+	//提前抢购成功的,直接结束程序
+	if flag {
+		//通知管道
+		seckillStatus<-true
+	}
+}
+
+func CheckSeckillStatus()  {
+	for {
+		select {
+			case <-seckillStatus:
+			//抢购成功,程序退出
+			os.Exit(0)
+		}
+	}
+}
+
+func KeepSession(user *jd_seckill.User)  {
+	//每30分钟检测一次
+	t:=time.NewTicker(30*time.Minute)
+	for {
+		select {
+		case <-t.C:
+			if err:=user.RefreshStatus();err!=nil {
+				log.Println("会话失效,程序自动退出")
+				os.Exit(0)
+			}
+			log.Println("活跃会话成功")
+		}
 	}
 }