log

type Field struct {
	Key   string
	Value interface{}
}

type ILog interface {
	Debug(msg string, fields ...Field)
	Info(msg string, fields ...Field)
	Warn(msg string, fields ...Field)
	Error(msg string, fields ...Field)
	Panic(msg string, fields ...Field)
	Fatal(msg string, fields ...Field)
	Debugf(format string, a ...interface{})
	Infof(format string, a ...interface{})
	Warnf(format string, a ...interface{})
	Errorf(format string, a ...interface{})
	Panicf(format string, a ...interface{})
	Fatalf(format string, a ...interface{})
}

type LogEncoder int8

type LogStrut interface {
	ToString() (str string)
}

type Logger struct {
	// contains filtered or unexported fields
}

type Loglevel int8

type Optionfn func(*Options)

type Options struct {
	FileName      string     //日志文件名包含
	Loglevel      Loglevel   //日志输出级别
	Debugmode     bool       //是否debug模式
	Encoder       LogEncoder //日志输出样式
	Loglayer      int        //日志堆栈信息打印层级
	LogMaxSize    int        //每个日志文件最大尺寸 单位 M 默认 1024M
	LogMaxBackups int        //最多保留备份个数	默认 10个
	LogMaxAge     int        //文件最多保存多少天 默认 7天
}