feat(log): 实现带颜色的日志输出功能

- 添加了 ANSI 颜色代码常量定义
- 创建了正则表达式用于去除颜色码
- 实现了自定义 logWriter 结构体用于分离控制台和文件输出
- 控制台输出保留颜色，文件输出自动去除颜色码
- 更新了日志格式包含时间戳和颜色标识
- 修改了 Info、Error、Warn、Debug 函数的前缀格式

log/log.go

@@ -5,8 +5,10 @@ import (
 	"io"
 	"log"
 	"os"
+	"regexp"
 	"runtime/debug"
 	"strings"
+	"time"
 
 	"github.com/gogf/gf/v2/os/gfile"
 	"github.com/gogf/gf/v2/os/gtime"
@@ -18,6 +20,45 @@ var (
 	sysLog  *log.Logger
 )
 
+const (
+	Reset  = "\033[0m"
+	Red    = "\033[31m"
+	Green  = "\033[32m"
+	Yellow = "\033[33m"
+	Blue   = "\033[34m"
+	Purple = "\033[35m"
+	Cyan   = "\033[36m"
+)
+
+// 正则表达式匹配 ANSI 颜色码
+var ansiColorRegex = regexp.MustCompile(`\x1b\[[0-9;]*m`)
+
+// stripAnsiColors 去除字符串中的 ANSI 颜色码
+func stripAnsiColors(s string) string {
+	return ansiColorRegex.ReplaceAllString(s, "")
+}
+
+// logWriter 自定义 writer，用于分别处理控制台和文件输出
+type logWriter struct {
+	console io.Writer
+	file    io.Writer
+}
+
+func (w *logWriter) Write(p []byte) (n int, err error) {
+	// 控制台输出保留颜色
+	_, err = w.console.Write(p)
+	if err != nil {
+		return 0, err
+	}
+	// 文件输出去除颜色码
+	colorless := stripAnsiColors(string(p))
+	_, err = w.file.Write([]byte(colorless))
+	if err != nil {
+		return 0, err
+	}
+	return len(p), nil
+}
+
 func init() {
 	logPath = gfile.Join(gfile.Pwd(), "logs")
 	filePath := gfile.Join(logPath, fmt.Sprintf("log-%s.log", gtime.Date()))
@@ -28,25 +69,28 @@ func init() {
 		MaxAge:     30,    // 保留 30 天
 		Compress:   false, // 启用压缩
 	}
-	// 创建 MultiWriter 实现同时输出到文件和终端
-	multiWriter := io.MultiWriter(fileLogger, os.Stdout)
-	sysLog = log.New(multiWriter, "", log.LstdFlags)
+	// 使用自定义 writer 实现控制台带颜色、文件无颜色的输出
+	multiWriter := &logWriter{
+		console: os.Stdout,
+		file:    fileLogger,
+	}
+	sysLog = log.New(multiWriter, "", 0)
 }
 
 func Info(v ...any) {
-	sysLog.SetPrefix("[INFO] ")
+	sysLog.SetPrefix(fmt.Sprintf("[%s] %s[INFO]%s ", time.Now().Format("2006-01-02 15:04:05"), Green, Reset))
 	sysLog.Println(fmt.Sprint(v...))
 }
 func Error(v ...any) {
-	sysLog.SetPrefix("[ERROR] ")
+	sysLog.SetPrefix(fmt.Sprintf("[%s] %s[ERROR]%s ", time.Now().Format("2006-01-02 15:04:05"), Red, Reset))
 	msg := fmt.Sprint(v...)
 	sysLog.Println(msg, strings.TrimSpace(string(debug.Stack())))
 }
 func Warn(v ...any) {
-	sysLog.SetPrefix("[WARN] ")
+	sysLog.SetPrefix(fmt.Sprintf("[%s] %s[WARN]%s ", time.Now().Format("2006-01-02 15:04:05"), Yellow, Reset))
 	sysLog.Println(fmt.Sprint(v...))
 }
 func Debug(v ...any) {
-	sysLog.SetPrefix("[DEBUG] ")
+	sysLog.SetPrefix(fmt.Sprintf("[%s] %s[DEBUG]%s ", time.Now().Format("2006-01-02 15:04:05"), Blue, Reset))
 	sysLog.Println(fmt.Sprint(v...))
 }