LAPP_SJA_APS_BACKEND/engine/engine.go

package Engine

import (
	"fmt"
	"leit.com/leit_seat_aps/common"
	conf "leit.com/leit_seat_aps/config"
	"leit.com/leit_seat_aps/db"
	"leit.com/leit_seat_aps/glog"
	"time"
)

// 启动打印引擎
func RunEngine(conf *conf.EnvConfig) {
	// 初始化任务读取和保存通道
	var (
		inChan    = make(chan db.PrintTask, 1000) // 待打印任务管道
		printChan = make(chan db.PrintTask, 1000) // 表单串行打印管道
		outChan   = make(chan db.PrintTask, 1000) // 打印完待保存任务管道
		prnDict   = make(map[string]*Printer)
		p         *Printer
		err       error
	)
	// 获取打印机列表并启动打印机
	if err = GetPrinterDict(conf, prnDict); err != nil {
		glog.Infoln("Engine: failed to get the printer dict due to", err)
		return
	}

	// 启动打印任务获取服务
	StartFetcher(conf, inChan)
	// 启动打印任务调度服务
	StartScheduler(inChan, prnDict)
	// 启动每台打印机的打印服务
	for _, p = range prnDict {
		StartPrinter(p, conf, printChan, outChan)
	}
	// 启动串行打印表单的服务
	StartSheetSerialPrintService(prnDict, printChan, outChan)
	// 启动打印任务保存服务
	StartSaver(conf, outChan)
}

// 获取所有激活的打印机列表
func GetPrinterDict(conf *conf.EnvConfig, prnDict map[string]*Printer) error {
	var (
		printerList []db.Printertab
		p           db.Printertab
		err         error
	)
	printer := new(db.Printertab)
	if printerList, err = printer.GetPrinterList(conf); err != nil {
		glog.Infoln("GetPrinterDict: Faile to get the printer list due to: ", err)
		return err
	}

	for _, p = range printerList {
		var prn = Printer{}
		prn.Create(p)
		prnDict[prn.PrinterId] = &prn
	}
	return nil
}

//删除一个礼拜前的打印消息
func DelPrinterInfo() {
	tick := time.Tick(5 * time.Second)
	//tick := time.Tick(72 * time.Hour)
	fmt.Println("开始执行")
	for {
		select {
		case <-tick:
			//执行删除操作
			before7day := time.Now().AddDate(0, 0, -7)
			fmt.Printf("before7day:%s", before7day)
			timestr := common.TimeFormat(before7day, "yyyyMMddHHmmss")
			printer := new(db.Printheadtab)
			printer.Finr = db.G_FINR
			printer.DelBefore7DayRecords(timestr)
		}
	}
}