golang版的日志调试工具（包含命令行跟文件）
func TestFileLogger(t *testing.T) {
log := NewFileLogger(DebugLevel, "f:/testlog")
log.Debug("the use is %s age is %d", "fei", 20)
log.Warn("the warn is %s", "open file is error")
log.Fatal("program is die %s", "程序崩溃了")
log = NewConsoleLogger(DebugLevel)
log.Debug("the use is %s age is %d", "fei", 20)
log.Warn("the warn is %s", "open file is error")
log.Fatal("program is die %s", "程序崩溃了")
}