100行代码不到实现一个日志系统，支持多协程

[我看你有戏]

package main
import (
    "fmt"
    "os"
    "time"
    "runtime"
)

/*
type FileInfo interface {
        Name() string       // base name of the file
        Size() int64        // length in bytes for regular files; system-dependent for others
        Mode() FileMode     // file mode bits
        ModTime() time.Time // modification time
        IsDir() bool        // abbreviation for Mode().IsDir()
        Sys() interface{}   // underlying data source (can return nil)
}

const (
        O_RDONLY int = syscall.O_RDONLY // open the file read-only.
        O_WRONLY int = syscall.O_WRONLY // open the file write-only.
        O_RDWR   int = syscall.O_RDWR   // open the file read-write.
        O_APPEND int = syscall.O_APPEND // append data to the file when writing.
        O_CREATE int = syscall.O_CREAT  // create a new file if none exists.
        O_EXCL   int = syscall.O_EXCL   // used with O_CREATE, file must not exist
        O_SYNC   int = syscall.O_SYNC   // open for synchronous I/O.
        O_TRUNC  int = syscall.O_TRUNC  // if possible, truncate file when opened.
)
const (
        SEEK_SET int = 0 // seek relative to the origin of the file
        SEEK_CUR int = 1 // seek relative to the current offset
        SEEK_END int = 2 // seek relative to the end
)
*/

type asyLogData struct {
   LogData []byte   
}

type  GameLog struct{
    sLogPath string
    logName string
    eventLogChanel chan *asyLogData
}
func (st *GameLog)WorkThread() {
    for asydata := range st.eventLogChanel {
         var sLogFilePath string
        sLogFilePath = st.sLogPath+"/"+st.logName+"_"+time.Now().Format("2006-01-02")+".txt"
        fmt.Println(sLogFilePath)
        f, _ := os.OpenFile(sLogFilePath, os.O_RDWR|os.O_CREATE, 0777)  //|os.O_TRUNC
        f.Seek(0,os.SEEK_END)
        f.Write([]byte(asydata.LogData))
        f.Close()
    }
}
func (st *GameLog)SetLog(pLogPath string,pLogName string) {
    st.sLogPath = pLogPath
    st.logName = pLogName

    fmt.Println(st.sLogPath)
    err:=os.MkdirAll(st.sLogPath,0777)
    if err!=nil{
        fmt.Println(err)
    }

    st.eventLogChanel= make(chan *asyLogData,4096)
    go st.WorkThread()
}

func (st *GameLog)WriteGameLog(pLog string) {
    _,gofile,line,_ := runtime.Caller(1)
    var s string
    s = fmt.Sprintf("%s\t[%d]%s\t%s\r\n",time.Now().Format("15:04:05"),line,gofile,pLog)  


    var pAsyData = new(asyLogData)
    pAsyData.LogData = []byte(s)[0:]
    st.eventLogChanel<- pAsyData 

}

func main() {
    fmt.Println(time.Now().Format("2006-01-02"))
    var ab GameLog
    file, _ := os.Getwd()
    ab.SetLog(file+"/log/数据模块","测试日志")
    ab.WriteGameLog("小测试，哈哈哈")

    time.Sleep(time.Second*5)
}

[我看你有戏]

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