Add when to write method

CHANGELOG.md

@@ -1,4 +1,5 @@
 # developing
+- Fix 4503 and 4504: Add `when` to `Write([]byte)` method and add `prefix` to `writeMsg`. [4507](https://github.com/beego/beego/pull/4507)
 - Fix 4480: log format incorrect. [4482](https://github.com/beego/beego/pull/4482)
 - Remove `duration` from prometheus labels. [4391](https://github.com/beego/beego/pull/4391)
 - Fix `unknown escape sequence` in generated code. [4385](https://github.com/beego/beego/pull/4385)

core/logs/log.go

@@ -261,6 +261,7 @@ func (bl *BeeLogger) Write(p []byte) (n int, err error) {
 	lm := &LogMsg{
 		Msg:   string(p),
 		Level: levelLoggerImpl,
+		When: time.Now(),
 	}
 
 	// set levelLoggerImpl to ensure all log message will be write out
@@ -291,6 +292,7 @@ func (bl *BeeLogger) writeMsg(lm *LogMsg) error {
 	}
 	lm.FilePath = file
 	lm.LineNumber = line
+	lm.Prefix = bl.prefix
 
 	lm.enableFullFilePath = bl.enableFullFilePath
 	lm.enableFuncCallDepth = bl.enableFuncCallDepth

core/logs/log_test.go

@@ -25,4 +25,9 @@ func TestBeeLoggerDelLogger(t *testing.T) {
 	prefix := "My-Cus"
 	l := GetLogger(prefix)
 	assert.NotNil(t, l)
+	l.Print("hello")
+
+	GetLogger().Print("hello")
+	SetPrefix("aaa")
+	Info("hello")
 }