Add server components

server/update/utils/logger.go

@@ -0,0 +1,68 @@
+package utils
+
+import (
+	"fmt"
+	"os"
+	"time"
+)
+
+// ANSI 颜色代码
+const (
+	ColorReset  = "\033[0m"
+	ColorBright = "\033[1m"
+	ColorRed    = "\033[31m"
+	ColorGreen  = "\033[32m"
+	ColorYellow = "\033[33m"
+	ColorBlue   = "\033[34m"
+	ColorCyan   = "\033[36m"
+	ColorGray   = "\033[90m"
+)
+
+// Logger 日志记录器
+type Logger struct{}
+
+// NewLogger 创建新的日志记录器
+func NewLogger() *Logger {
+	return &Logger{}
+}
+
+// log 格式化日志条目
+func (l *Logger) log(level, color, message string) {
+	timestamp := time.Now().Format(time.RFC3339)
+	levelTag := fmt.Sprintf("%s%-7s%s", color, level, ColorReset)
+	
+	// 格式化时间戳
+	formattedTime := fmt.Sprintf("%s%s%s", ColorGray, timestamp, ColorReset)
+	
+	// 根据级别选择输出方式
+	if level == "ERROR" {
+		fmt.Fprintf(os.Stderr, "%s [%s] %s\n", formattedTime, levelTag, message)
+	} else {
+		fmt.Printf("%s [%s] %s\n", formattedTime, levelTag, message)
+	}
+}
+
+// Info 绿色 "INFO" 级别日志
+func (l *Logger) Info(message string) {
+	l.log("INFO", ColorGreen, message)
+}
+
+// Warn 黄色 "WARN" 级别日志
+func (l *Logger) Warn(message string) {
+	l.log("WARN", ColorYellow, message)
+}
+
+// Error 红色 "ERROR" 级别日志
+func (l *Logger) Error(message string) {
+	l.log("ERROR", ColorBright+ColorRed, message)
+}
+
+// System 青色 "SYSTEM" 级别日志
+func (l *Logger) System(message string) {
+	l.log("SYSTEM", ColorCyan, message)
+}
+
+// HTTP 蓝色 "HTTP" 级别日志
+func (l *Logger) HTTP(message string) {
+	l.log("HTTP", ColorBlue, message)
+}