feat: settings page add more running information

pkg/util/memory.go

@@ -0,0 +1,70 @@
+package util
+
+import (
+	"fmt"
+	"os"
+	"time"
+	"github.com/shirou/gopsutil/v3/process"
+)
+
+// GetMemoryUsage returns current process memory usage from OS perspective
+func GetMemoryUsage() map[string]string {
+	// Get current process
+	p, err := process.NewProcess(int32(os.Getpid()))
+	if err != nil {
+		return map[string]string{
+			"memory_usage": "获取失败",
+			"memory_info":  "程序内存使用: 获取失败",
+		}
+	}
+	
+	// Get memory info
+	memInfo, err := p.MemoryInfo()
+	if err != nil {
+		return map[string]string{
+			"memory_usage": "获取失败",
+			"memory_info":  "程序内存使用: 获取失败",
+		}
+	}
+	
+	// Convert bytes to MB
+	rssMB := float64(memInfo.RSS) / 1024 / 1024
+	vmsMB := float64(memInfo.VMS) / 1024 / 1024
+	
+	// Get process creation time
+	createTime, err := p.CreateTime()
+	var uptime string
+	if err == nil {
+		startTime := time.Unix(createTime/1000, 0)
+		duration := time.Since(startTime)
+		uptime = formatDuration(duration)
+	} else {
+		uptime = "获取失败"
+	}
+	
+	return map[string]string{
+		"memory_usage": fmt.Sprintf("%.1f MB", rssMB),
+		"memory_info":  fmt.Sprintf("程序内存使用: %.1f MB", rssMB),
+		"vms_usage":    fmt.Sprintf("%.1f MB", vmsMB),
+		"uptime":       uptime,
+		"uptime_info":  fmt.Sprintf("程序运行时间: %s", uptime),
+	}
+}
+
+// formatDuration formats duration to human readable format
+func formatDuration(d time.Duration) string {
+	days := int(d.Hours()) / 24
+	hours := int(d.Hours()) % 24
+	minutes := int(d.Minutes()) % 60
+	seconds := int(d.Seconds()) % 60
+	
+	if days > 0 {
+		return fmt.Sprintf("%d天%d小时%d分钟", days, hours, minutes)
+	} else if hours > 0 {
+		return fmt.Sprintf("%d小时%d分钟", hours, minutes)
+	} else if minutes > 0 {
+		return fmt.Sprintf("%d分钟%d秒", minutes, seconds)
+	} else {
+		return fmt.Sprintf("%d秒", seconds)
+	}
+}