add timezone and timeformat (#572)

* add timezone and timeformat

* rm time zone and keep time format

Co-authored-by: Tony Wang <tonywang.data@gmail.com>

core/logx/config.go

@@ -4,6 +4,7 @@ package logx
 type LogConf struct {
 	ServiceName         string `json:",optional"`
 	Mode                string `json:",default=console,options=console|file|volume"`
+	TimeFormat          string `json:",optional"`
 	Path                string `json:",default=logs"`
 	Level               string `json:",default=info,options=info|error|severe"`
 	Compress            bool   `json:",optional"`

core/logx/logs.go

@@ -20,6 +20,7 @@ import (
 	"github.com/tal-tech/go-zero/core/iox"
 	"github.com/tal-tech/go-zero/core/sysx"
 	"github.com/tal-tech/go-zero/core/timex"
+
 )
 
 const (
@@ -32,8 +33,6 @@ const (
 )
 
 const (
-	timeFormat = "2006-01-02T15:04:05.000Z07"
-
 	accessFilename = "access.log"
 	errorFilename  = "error.log"
 	severeFilename = "severe.log"
@@ -64,6 +63,7 @@ var (
 	// ErrLogServiceNameNotSet is an error that indicates that the service name is not set.
 	ErrLogServiceNameNotSet = errors.New("log service name must be set")
 
+	timeFormat   = "2006-01-02T15:04:05.000Z07"
 	writeConsole bool
 	logLevel     uint32
 	infoLog      io.WriteCloser
@@ -117,6 +117,9 @@ func MustSetup(c LogConf) {
 // we need to allow different service frameworks to initialize logx respectively.
 // the same logic for SetUp
 func SetUp(c LogConf) error {
+	if len(c.TimeFormat) > 0 {
+		timeFormat = c.TimeFormat
+	}
 	switch c.Mode {
 	case consoleMode:
 		setupWithConsole(c)