Fix: 修正H3C接口解析器适配真实输出格式

- 支持接口名和状态分两行的格式
- 修正MAC地址正则: hardware address: (不是Hardware address is)
- 修正IP地址正则: Internet address: x.x.x.x/24 (CIDR格式)
- 添加CIDR到子网掩码转换函数
- 支持多种接口类型前缀匹配

internal/device/h3c.go

@@ -91,10 +91,13 @@ func (p *H3CParser) parseInterfaces(interfaceOutput, briefOutput string) []model
 
 	scanner := bufio.NewScanner(strings.NewReader(interfaceOutput))
 	var currentInterface *models.Interface
+	var pendingInterfaceName string // 暂存接口名
 
 	for scanner.Scan() {
 		line := scanner.Text()
 
+		// H3C接口输出格式1: 接口名和状态在同一行
+		// GigabitEthernet1/0/0 current state: UP
 		if nameRegex := regexp.MustCompile(`^(\S+)\s+current state:\s+(UP|DOWN)`); nameRegex.MatchString(line) {
 			if currentInterface != nil {
 				interfaces = append(interfaces, *currentInterface)
@@ -108,21 +111,53 @@ func (p *H3CParser) parseInterfaces(interfaceOutput, briefOutput string) []model
 			if brief, ok := briefMap[currentInterface.Name]; ok {
 				currentInterface.IP = brief.IP
 			}
+			pendingInterfaceName = ""
+			continue
 		}
 
+		// H3C接口输出格式2: 接口名单独一行，下一行是状态
+		// GigabitEthernet1/0/0
+		// Current state: DOWN
+		if pendingInterfaceName != "" && regexp.MustCompile(`^Current state:\s+(UP|DOWN)`).MatchString(line) {
+			matches := regexp.MustCompile(`^Current state:\s+(UP|DOWN)`).FindStringSubmatch(line)
+			if currentInterface != nil {
+				interfaces = append(interfaces, *currentInterface)
+			}
+			currentInterface = &models.Interface{
+				Name:   pendingInterfaceName,
+				Status: strings.ToLower(matches[1]),
+			}
+
+			if brief, ok := briefMap[currentInterface.Name]; ok {
+				currentInterface.IP = brief.IP
+			}
+			pendingInterfaceName = ""
+			continue
+		}
+
+		// 匹配接口名（单独一行的情况）
+		// 格式: GigabitEthernet1/0/0
+		if interfaceNameRegex := regexp.MustCompile(`^(GigabitEthernet|Ten-GigabitEthernet|FortyGigE|HundredGigE|Ethernet|Serial|LoopBack|Vlanif|NULL|Bridge-Aggregate|Route-Aggregate)\S*`); interfaceNameRegex.MatchString(line) {
+			pendingInterfaceName = interfaceNameRegex.FindString(line)
+			continue
+		}
+
+		// 解析接口属性
 		if currentInterface != nil {
 			if descRegex := regexp.MustCompile(`Description:\s+(.+)`); descRegex.MatchString(line) {
 				currentInterface.Description = descRegex.FindStringSubmatch(line)[1]
 			}
 
-			if macRegex := regexp.MustCompile(`Hardware address is\s+(\S+)`); macRegex.MatchString(line) {
+			if macRegex := regexp.MustCompile(`hardware address:\s+(\S+)`); macRegex.MatchString(line) {
 				currentInterface.MAC = macRegex.FindStringSubmatch(line)[1]
 			}
 
-			if ipRegex := regexp.MustCompile(`IP Address:\s+(\d+\.\d+\.\d+\.\d+)\s+Subnet Mask:\s+(\d+\.\d+\.\d+\.\d+)`); ipRegex.MatchString(line) {
+			// 匹配IP地址格式: Internet address: 192.168.0.1/24 (primary)
+			if ipRegex := regexp.MustCompile(`Internet address:\s+(\d+\.\d+\.\d+\.\d+)/(\d+)`); ipRegex.MatchString(line) {
 				matches := ipRegex.FindStringSubmatch(line)
 				currentInterface.IP = matches[1]
-				currentInterface.Mask = matches[2]
+				// CIDR转换为子网掩码
+				currentInterface.Mask = cidrToMask(matches[2])
 			}
 
 			if speedRegex := regexp.MustCompile(`(\d+)\s+(Kbps|Mbps|Gbps)`); speedRegex.MatchString(line) {
@@ -139,6 +174,23 @@ func (p *H3CParser) parseInterfaces(interfaceOutput, briefOutput string) []model
 	return interfaces
 }
 
+// cidrToMask CIDR转换为子网掩码
+func cidrToMask(cidr string) string {
+	var mask int
+	fmt.Sscanf(cidr, "%d", &mask)
+	
+	s := uint32(0)
+	for i := 0; i < mask; i++ {
+		s |= (1 << (31 - uint(i)))
+	}
+	
+	return fmt.Sprintf("%d.%d.%d.%d",
+		(s>>24)&0xFF,
+		(s>>16)&0xFF,
+		(s>>8)&0xFF,
+		s&0xFF)
+}
+
 // parseARPTable 解析ARP表，建立MAC到IP的映射
 func (p *H3CParser) parseARPTable(output string) map[string]string {
 	macToIP := make(map[string]string)