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139 regels
3.9 KiB

package cmd
import (
"errors"
"fmt"
"github.com/Albert-Zhan/httpc"
"github.com/spf13/cobra"
"github.com/tidwall/gjson"
"github.com/ztino/jd_seckill/common"
"github.com/ztino/jd_seckill/jd_seckill"
"github.com/ztino/jd_seckill/log"
"net/http"
"os"
"strconv"
"time"
)
func init() {
rootCmd.AddCommand(seckillCmd)
seckillCmd.Flags().BoolP("run","r",false,"Run directly without waiting for the time to buy")
}
var seckillCmd = &cobra.Command{
Use: "seckill",
Short: "Start panic buying procedure",
Run: startSeckill,
}
func startSeckill(cmd *cobra.Command, args []string) {
//获取是否直接运行抢购
isRun,_:=cmd.Flags().GetBool("run")
session:=jd_seckill.NewSession(common.CookieJar)
err:=session.CheckLoginStatus()
if err!=nil {
log.Println("抢购失败,请重新登录")
}else{
//活跃用户会话,当会话失效自动退出程序
user:=jd_seckill.NewUser(common.Client,common.Config)
go KeepSession(user)
//直接运行抢购跳过等待抢购时间
if !isRun {
//计算抢购时间
nowLocalTime:=time.Now().UnixNano()/1e6
jdTime,_:=GetJdTime()
buyDate:=common.Config.MustValue("config","buy_time","")
loc, _ := time.LoadLocation("Local")
t,_:=time.ParseInLocation("2006-01-02 15:04:05",buyDate,loc)
buyTime:=t.UnixNano()/1e6
diffTime:=nowLocalTime-jdTime
log.Println(fmt.Sprintf("正在等待到达设定时间:%s,检测本地时间与京东服务器时间误差为【%d】毫秒",buyDate,diffTime))
timerTime:=(buyTime+diffTime)-jdTime
if timerTime<=0 {
log.Println("请设置抢购时间")
os.Exit(0)
}
//等待抢购
time.Sleep(time.Duration(timerTime)*time.Millisecond)
//开始抢购
log.Println("时间到达,开始执行……")
}else{
log.Println("开始执行……")
}
seckill:=jd_seckill.NewSeckill(common.Client,common.Config)
//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
//抢购任务数读取配置文件
str:=common.Config.MustValue("config","task_num","5")
taskNum,_:=strconv.Atoi(str)
Start(seckill,taskNum)
}
}
func GetJdTime() (int64,error) {
req:=httpc.NewRequest(common.Client)
resp,body,err:=req.SetUrl("https://a.jd.com//ajax/queryServerData.html").SetMethod("get").Send().End()
if err!=nil || resp.StatusCode!=http.StatusOK {
log.Println("获取京东服务器时间失败")
return 0,errors.New("获取京东服务器时间失败")
}
return gjson.Get(body,"serverTime").Int(),nil
}
func Start(seckill *jd_seckill.Seckill,taskNum int) {
//抢购总时间读取配置文件
str:=common.Config.MustValue("config","seckill_time","2")
seckillTime,_:=strconv.Atoi(str)
seckillTotalTime:=time.Now().Add(time.Duration(seckillTime)*time.Minute).Unix()
//抢购间隔时间读取配置文件
str=common.Config.MustValue("config","ticker_time","1500")
tickerTime,_:=strconv.Atoi(str)
//开始检测抢购状态
go CheckSeckillStatus()
//抢购总时间超时程序自动退出
for time.Now().Unix()<seckillTotalTime {
for i:=1;i<=taskNum;i++ {
go task(seckill)
}
//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(time.Duration(tickerTime)*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
common.SeckillStatus<-true
}
}
func CheckSeckillStatus() {
for {
select {
case <-common.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 {
_=os.Remove("./cookie.txt")
log.Println("会话失效,程序自动退出")
os.Exit(0)
}
log.Println("活跃会话成功")
}
}
}