package log import ( "io" "log" "os" "runtime" "time" ) type l struct { logs *log.Logger level int io.Closer } func NewLog(HttpLogPath string, level int) *l { file, err := os.OpenFile(HttpLogPath, os.O_CREATE|os.O_RDWR, 0644) if err != nil { log.Println("Error", err) log.Println("Error", "日志输出到标准输出.") return nil } var Log *log.Logger = log.New(os.Stdout, now(), 0) if file != nil { Log = log.New(file, now(), 0) go flushLogFile(file) } file.Seek(0, 2) return &l{Log, level, file} } func now() string { return time.Now().Format("2006-01-02 15:04:05 ") } func flushLogFile(File *os.File) { for _ = range time.NewTicker(50 * time.Second).C { if File == nil { return } File.Sync() } } func (self *l) SetLogLevel(level int) { if level > 4 { return } self.level = level } func (self *l) Print(v ...interface{}) { self.logs.Print(v) } func (self *l) Printf(formate string, v ...interface{}) { self.logs.Printf(formate, v) } func (self *l) Println(v ...interface{}) { self.logs.Println(v) } func (self *l) PrintfI(formate string, v ...interface{}) { if self.level > 1 { return } self.logs.Printf("Info->"+formate, v...) } func (self *l) PrintfW(formate string, v ...interface{}) { if self.level > 2 { return } self.logs.Printf("Warn->"+formate, v...) } func (self *l) PrintfE(formate string, v ...interface{}) { if self.level > 3 { return } self.logs.Printf("Error->"+formate, v...) } func (self *l) PrintfF(formate string, v ...interface{}) { if self.level > 4 { return } self.logs.Fatalf("Fatal->"+formate, v...) } func (self *l) InfoPrintf(callers int, formate string, v ...interface{}) { _, file, line, ok := runtime.Caller(callers + 1) if !ok { return } self.logs.Printf("File->%s Line->%d\n", file, line) self.logs.Printf(formate, v...) }<pre name="code" class="html">
<pre style="margin-top: 0px; margin-bottom: 0px;"><span style=" color:#0000ff;">package</span><span style=" color:#f57900;"> </span>main
import "centerserver/log"
func main() {
l := log.NewLog("http.log", 0)
l.InfoPrintf(0, "%s\n", "错误在这里↑")
l.PrintfI("%s\n", "Info")
l.PrintfW("%s\n", "Warn")
l.PrintfE("%s\n", "Error")
l.PrintfF("%s\n", "Fatal")
}
</pre><pre name="code" class="html">
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