Go perform timed tasks

This is a creation in Article, where the information may have evolved or changed.

Write your own go timer to perform the task, welcome to shoot bricks.

Package Mainimport ("FMT" "Time" "Bufio" "OS" "Strings" "Errors" "Io/ioutil" "StrConv" "RegExp" "Net/http") var taskList []*tasktype mytimer struct{Config []map[string]interface{}}func newmytimer () *mytimer{return &mytim Er{}}func (t *mytimer) Start () {for _, V: = range t.config{//For each setting, start task MyTask: = NewTask (v) mytask.sta RT () TaskList = append (TaskList, MyTask)} fmt. Println ("----------Timer Started---------")}func (t *mytimer) Stop () {For _, Task: = Range tasklist{task. Stop ()}//Empty Task list taskList = make ([]*task, 0) fmt. Println ("---------Timer stoped----------")}func (t *mytimer) Restart () {t.stop () T.start () fmt. Println ("--------Timer restarted----------")}func (t *mytimer) loadconfigfile (fileName string) error{File,err:=os. Open (fileName) if nil!=err{return errors. New ("Config file load failed:" +filename)} defer file. Close () Config:=make ([]map[string]interface{}, 0) content,ok:=ioutil. REadall (file) if ok!=nil{return errors. New ("read config file error")} str:=string (content) reg:=regexp. Mustcompile ("[\r\n]+") Array: = Reg. Split (str,-1) for _,val:=range array{//#, which starts with a comment if strings. Hasprefix (Val, "#") | | Strings. Hasprefix (Val, ";") {Continue} If Len (val) > 0{kv: = Strings.         Split (val, "|") M:=make (map[string]interface{}) m["url"] = kv[0] If Len (kv) > 1{m["duration"], _ = StrConv.  Atoi (kv[1])} else {m["duration"] = ten} If Len (kv) > 2{m["Times"], _ = StrConv. Atoi (kv[2])} else {m["times"] = 1} config = append (config, m)}} t.config   = config; return Nil}type Task struct{times int Duration int URL string Ch chan int}func newtask (v map[string]interface{}) *task{C:=make (Chan int,1) return &task{times:v["Times"]. ( int), duration:v["Duration"]. (int), url:v["URL "]. (string), Ch:c}}func (Task *task) Start () {timer: = time. Newticker (time. Duration (Task. Duration) * time. Second) go func (c chan int) {if task. Times = = 0{Forend1:for {select{case <-timer. C:http. Get (Task. URL) fmt. PRINTLN ("Task request URL:" +task.  URL) Case <-c:break ForEnd1}}} else {Forend2:for I: = 0; I < Task. times; I ++{select{case <-timer. C:http. Get (Task. URL) fmt. PRINTLN ("Task request URL:" +task. URL) Case <-c:break ForEnd2}}//After execution completes, the timer for k,v needs to be destroyed:               = Range tasklist{If v = = task{if k = = 0{TaskList = tasklist[1:] } else if (k + 1) = = Len (taskList) {taskList = Tasklist[:k]} else {task List = AppEnd (tasklist[k+1:], tasklist[:k+2] ...) } Break}}} (task. CH)}func (Task *task) Stop () {task. Ch <-1 FMT. PRINTLN ("---task stoped---")}func main () {//console input Reader:=bufio. Newreader (OS. Stdin) Timer:=newmytimer () Ok:=timer. Loadconfigfile ("Config.txt") if ok!=nil{fmt. Println (OK)//Panic ("Error")} for{FMT. Println ("Enter a Command:") Rawline,_,_:=reader. ReadLine () command:=string (rawline) if "q" = = Command | | "Quit" = = command{timer. Stop () fmt. Println ("Bye") break} else If "start" = = command{timer. Start ()} else if "stop" = = command{timer. Stop ()} else if "restart" = = Command {timer. Restart ()} else if "help" = = command {fmt. Println ("****welcome to use mytimer****") fmt. Println ("There is commands and options:") fmt. Println ("Start--start task Jobs") fmt. Println ("Stop--stop TASK jobs ") fmt. PRINTLN ("Restart--restart jobs") fmt. Println ("Quit--quit the job task, also can use short command Q") fmt. Println ("Help--help infomation of MyTimer")} else {fmt. Println ("Unknow Command")}}}