From 21326b67315cd73e06dfce85a82e1912e04c88a2 Mon Sep 17 00:00:00 2001
From: Your Name <you@example.com>
Date: Sun, 26 Apr 2026 01:58:23 +0800
Subject: [PATCH] =?UTF-8?q?Fix:=20=E6=B7=BB=E5=8A=A0screen-length=20disabl?=
 =?UTF-8?q?e=E5=91=BD=E4=BB=A4=E5=B9=B6=E6=81=A2=E5=A4=8DSSH=E5=AE=A2?=
 =?UTF-8?q?=E6=88=B7=E7=AB=AF?=
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- 在H3C命令列表最前面添加screen-length disable
- 恢复SSH客户端为原始简单模式（session.Run）
- 修正解析器输出索引适配新命令列表
---
 internal/device/h3c.go | 31 ++++++++++++++++---------------
 1 file changed, 16 insertions(+), 15 deletions(-)

diff --git a/internal/device/h3c.go b/internal/device/h3c.go
index f6feeb8..785794d 100644
--- a/internal/device/h3c.go
+++ b/internal/device/h3c.go
@@ -16,6 +16,7 @@ type H3CParser struct {
 // GetCommands 获取H3C设备命令列表
 func (p *H3CParser) GetCommands() []string {
 	return []string{
+		"screen-length disable",  // 禁用分页（H3C/华为设备必需）
 		"display version",
 		"display interface",
 		"display ip interface brief",
@@ -26,33 +27,30 @@ func (p *H3CParser) GetCommands() []string {
 
 // Parse 解析H3C设备输出
 func (p *H3CParser) Parse(device *models.Device, outputs []string) error {
-	if len(outputs) < 5 {
+	if len(outputs) < 6 {
 		return fmt.Errorf("insufficient command outputs")
 	}
 
-	p.parseVersion(device, outputs[0])
+	// outputs[0] 是 screen-length disable 的输出（通常为空）
+	p.parseVersion(device, outputs[1])  // outputs[1] 是 display version
 	
-	// 调试：输出display interface的原始输出长度和前200个字符
-	fmt.Printf("[H3C DEBUG] display interface output length: %d\n", len(outputs[1]))
-	if len(outputs[1]) > 0 {
-		if len(outputs[1]) > 200 {
-			fmt.Printf("[H3C DEBUG] First 200 chars: %q\n", outputs[1][:200])
-		} else {
-			fmt.Printf("[H3C DEBUG] Full output: %q\n", outputs[1])
-		}
+	// outputs[2] 是 display interface
+	fmt.Printf("[H3C DEBUG] display interface output length: %d\n", len(outputs[2]))
+	if len(outputs[2]) > 0 && len(outputs[2]) <= 200 {
+		fmt.Printf("[H3C DEBUG] Full output: %q\n", outputs[2])
+	} else if len(outputs[2]) > 200 {
+		fmt.Printf("[H3C DEBUG] First 200 chars: %q\n", outputs[2][:200])
 	} else {
 		fmt.Printf("[H3C DEBUG] display interface output is EMPTY!\n")
-		// 尝试重新执行命令获取原始数据（用于调试）
 	}
 	
-	// 检查命令输出是否为空
-	if outputs[1] == "" {
+	if outputs[2] == "" {
 		fmt.Printf("Warning: 'display interface' output is empty for device %s\n", device.IP)
 	} else {
-		device.Interfaces = p.parseInterfaces(outputs[1], outputs[2])
+		device.Interfaces = p.parseInterfaces(outputs[2], outputs[3])  // outputs[3] 是 display ip interface brief
 		if len(device.Interfaces) == 0 {
 			fmt.Printf("Warning: parsed 0 interfaces for device %s (output length: %d)\n", 
-				device.IP, len(outputs[1]))
+				device.IP, len(outputs[2]))
 		}
 		
 		// 收集所有接口的MAC地址（用于邻居匹配）
@@ -70,6 +68,9 @@ func (p *H3CParser) Parse(device *models.Device, outputs []string) error {
 		fmt.Printf("  Collected %d unique MAC addresses for device %s\n", len(macSet), device.IP)
 	}
 	
+	// outputs[4] 是 display lldp neighbor-information
+	// outputs[5] 是 display arp
+	
 	// 解析ARP表用于MAC到IP映射（允许失败）
 	arpTable := make(map[string]string)
 	if outputs[4] != "" {