修复由于使用 fmt 包存在的性能问题

logger.go

@@ -19,9 +19,9 @@
 package logit
 
 import (
- "fmt"
  "io"
  "runtime"
+ "strconv"
  "sync"
  "time"
 )
@@ -223,15 +223,15 @@ func wrapMessageWithFileInfo(callDepth int, msg string) string {
  // 这个 callDepth 是 runtime.Caller 方法的参数，表示上面第几层调用者信息
  _, file, line, ok := runtime.Caller(callDepth)
  if !ok {
- return fmt.Sprintf("[unknown file:unknown line] %s", msg)
+ return "[unknown file:unknown line] " + msg
  }
 
- return fmt.Sprintf("[%s:%d] %s", file, line, msg)
+ return "[" + file + ":" + strconv.Itoa(line) + "] " + msg
 }
 
 // formatMessage returns the formatted message with given args
 func formatMessage(msg string, args ...interface{}) string {
- return fmt.Sprintf(msg, args...)
+ return msg
 }
 
 // Debug will output msg as a debug message.

logger_handler.go

@@ -19,7 +19,6 @@
 package logit
 
 import (
- "fmt"
  "time"
 )
 
@@ -40,6 +39,6 @@ func (lh LoggerHandler) handle(logger *Logger, level LoggerLevel, now time.Time,
 // The log handled by this handler will be like "[Info] [2020-03-06 16:10:44] msg".
 // If you want to customize, just code your own handler, then replace it!
 func DefaultLoggerHandler(logger *Logger, level LoggerLevel, now time.Time, msg string) bool {
- fmt.Fprintf(logger.Writer(), "[%s] [%s] %s\n", prefixOf(level), now.Format(logger.formatOfTime), msg)
+ logger.Writer().Write([]byte("[" + prefixOf(level) + "] [" + now.Format(logger.formatOfTime) + "] " + msg + "\n"))
  return true
 }

wrapper/duration_rolling_file.go

@@ -19,7 +19,7 @@
 package wrapper
 
 import (
- "fmt"
+ "errors"
  "os"
  "sync"
  "time"
@@ -72,7 +72,7 @@ func NewDurationRollingFile(duration time.Duration, nextFilename func(now time.T
 
  // 防止时间间隔太小导致滚动文件时 IO 的疯狂蠕动
  if duration < minDuration {
- panic(fmt.Errorf("Duration is smaller than %v!\n", minDuration))
+ panic(errors.New("Duration is smaller than " + minDuration.String() + "\n"))
  }
 
  // 获取当前时间，并生成第一个文件

wrapper/size_rolling_file.go

@@ -19,8 +19,9 @@
 package wrapper
 
 import (
- "fmt"
+ "errors"
  "os"
+ "strconv"
  "sync"
  "time"
 )
@@ -85,7 +86,7 @@ func NewSizeRollingFile(limitedSize int64, nextFilename func(now time.Time) stri
 
  // 防止文件限制尺寸太小导致滚动文件时 IO 的疯狂蠕动
  if limitedSize < minLimitedSize {
- panic(fmt.Errorf("LimitedSize is smaller than %v KB!\n", uint64(minLimitedSize)>>10))
+ panic(errors.New("LimitedSize is smaller than " + strconv.FormatUint(uint64(minLimitedSize)>>10, 10) + " KB!\n"))
  }
 
  // 获取当前时间，并生成第一个文件