logger

Documentation

Index

• type Formatter
• type JSONFormatter
  • func (f *JSONFormatter) Format(level Level, msg string) ([]byte, error)
• type Level
  • func (level Level) String() string
• type Logger
  • func New(opts ...Option) Logger
• type Option
  • func WithFormatter(f Formatter) Option
  • func WithLevel(level Level) Option
  • func WithOutput(w io.Writer) Option
• type TextFormatter
  • func (f *TextFormatter) Format(level Level, msg string) ([]byte, error)

Types

type Formatter

type Formatter interface {
	Format(level Level, msg string) ([]byte, error)
}

Formatter 日志格式化接口

type JSONFormatter

type JSONFormatter struct{}

func (*JSONFormatter) Format

func (f *JSONFormatter) Format(level Level, msg string) ([]byte, error)

type Level

type Level uint32

Level 日志级别类型

const (
	LevelDebug Level = iota
	LevelInfo
	LevelWarn
	LevelError
	LevelFatal
)

func (Level) String

func (level Level) String() string

type Logger

type Logger interface {
	Debug(args ...interface{})
	Debugf(format string, args ...interface{})

	Info(args ...interface{})
	Infof(format string, args ...interface{})

	Warn(args ...interface{})
	Warnf(format string, args ...interface{})

	Error(args ...interface{})
	Errorf(format string, args ...interface{})

	Fatal(args ...interface{})
	Fatalf(format string, args ...interface{})

	// 控制接口
	SetLevel(Level)
	GetLevel() Level
}

Logger 核心接口

func New

func New(opts ...Option) Logger

New 创建Logger实例

type Option

type Option func(*loggerImpl)

Option 配置函数类型

func WithFormatter

func WithFormatter(f Formatter) Option

WithFormatter 设置日志格式化器

func WithLevel

func WithLevel(level Level) Option

WithLevel 设置日志级别

func WithOutput

func WithOutput(w io.Writer) Option

WithOutput 设置日志输出

type TextFormatter

type TextFormatter struct{}

func (*TextFormatter) Format

func (f *TextFormatter) Format(level Level, msg string) ([]byte, error)