secureCRT脚本----vbs语法

常用语句：

1.CRT命令
‘发送命令
crt.Screen.Send “whyy@dsl-vty” & chr(13)
‘等待字符串出现
crt.Screen.WaitForString “Password:”
‘等待字符串出现，等待1秒钟
crt.Screen.WaitForString (“Password:”,1)
‘开启同步
crt.Screen.Synchronous = True
‘判断指针1秒内不移动，用于确定安全连接可以进行后续代码输入操作
Do
bCursorMoved = crt.Screen.WaitForCursor(1)
Loop until bCursorMoved = False
‘判定是否已经连接到设备
if crt.Session.Connected = true then
‘断开连接
crt.session.disConnect
‘激活窗口用于多tab页面
crt.Activate
‘连接到指定设备
crt.session.Connect(“/telnet ” & b(n))
‘延时1秒
crt.Sleep 1000

2.vbScript语句

a.文件操作
Set fso = CreateObject(“Scripting.FileSystemObject”) ‘创建文件对象
Set file1 = fso.OpenTextFile(“c:\test.txt”,1, False) ‘设置文件对象 1 只读模式;2 写模式;8 在文件末尾进行写操作
objFso.FileExists(“文件路径”) ‘判定文件是否存在，存在返回trus，否则返回false
file1.AtEndOfStream <> True ‘如果文件末尾无数据返回true，否则返回false
line = file1.ReadLine ‘读取第一行文本数据，并将读取位移动到下一行
params = Split (line) ‘分割读取的行数据，用空格符分割
file1.Close ‘关闭文件

b.系统文档操作
‘创建shell对象，对系统特殊文档操作
Set objShell = CreateObject(“WScript.Shell”)

‘返回”我的文档”的路径给变量szMyDocs,可以动态的返回”我的文档”的路径
szMyDocs = objShell.SpecialFolders(“MyDocuments”)

‘设置文件路径到变量中
szSessionsFile = szMyDocs & “\SessionList.txt”

3.知识点
<1.判断文件是否存在
if Not objFso.FileExists(szSessionsFile) then ‘如果txt文件不存在，就报错并退出sub
crt.Dialog.MessageBox “Session list file not found:” & vbcrlf & _
vbcrlf & _
szSessionsFile & vbcrlf & vbcrlf & _
“Create a session list file as described in the description of ” & _
“this script code and then run the script again.”
exit sub
end if

<2.容错机制
On Error Resume Next ‘后面代码错误会继续执行
crt.Session.Connect “/telnet ” & vSessionsArray(0)
szError = Err.Description ‘将错误表述信息放入变量szError中
On Error Goto 0 ‘关闭容错机制

<3.判断是否安全连接
‘判断是否连接正常
if crt.Session.Connected then
crt.Screen.Synchronous = True ‘同步显示
‘第一次连接时的安全检测
Do
bCursorMoved = crt.Screen.WaitForCursor(1)
Loop until bCursorMoved = False
’ 一旦光标在一秒内停止移动，我们就认为他已经安全的连接上了远程设备
end if

<4.安全关闭连接
’ 断开连接
crt.session.disconnect
’ 等待连接关闭
Do
crt.Sleep 100
Loop While crt.Session.Connected = True ‘每100毫秒判断连接是否断开

<5.说明:
1.CRT默认tab的index为1
2.要创建第二个标签页tab,必须使用函数set newtab = objCurrentTab1.Clone()复制标签页为新的tab页面
否则报错tab 2 超出index范围rang

函数：
Set objCurrentTab1 = crt.GetTab(1) ‘创建标签页1
objCurrentTab1.session.disConnect ‘断开标签页1的当前连接
objCurrentTab1.Activate ‘激活标签页1
objCurrentTab1.session.Connect(“/telnet 172.16.205.1” ) ‘标签页1连接设备172.16.205.1
set newtab = objCurrentTab1.Clone() ‘复制标签页1到新标签页

示例：
【示例一】

 $language = "VBScript"$interface = "1.0"'本脚本示范：自动登录到某台3550交换机设备，自动输入远程登录密码，同时自动进入特权模式'自动输入特权密码，同时运行show version命令Sub Main  crt.Screen.Synchronous = True  '通过telnet连接到192.168.1.1  crt.Session.Connect "/TELNET 192.168.1.1"  crt.Screen.WaitForString "Password:"  crt.Screen.Send "cisco" & vbCr  crt.Screen.waitForString  ">"  crt.Screen.Send "enable" & vbcr  crt.Screen.WaitForString "Password:"  crt.Screen.Send "cisco" & vbcr  crt.Screen.waitForString "#"  crt.Screen.Send "show version" & vbcr  crt.Screen.waitForString "--More--"  crt.Screen.Send " "  crt.Screen.Synchronous = FalseEnd Sub【示例二】
 $language = "VBScript" $interface = "1.0"'本脚本示范：从一个文件里面自动读取设备IP地址，密码等，自动将设备配置备份Sub Main    '打开保存设备管理地址以及密码的文件    Const ForReading = 1, ForWriting = 2, ForAppending = 8    Dim fso,file1,line,str1,params    Set fso = CreateObject("Scripting.FileSystemObject")    Set file1 = fso.OpenTextFile("d:\config.txt",Forreading, False)            crt.Screen.Synchronous = True    DO While file1.AtEndOfStream <> True       '读出每行       line = file1.ReadLine       '分离每行的参数 IP地址 密码 En密码       params = Split (line)       'Telnet到这个设备上       crt.Session.Connect "/TELNET " & params(0)       '输入telnet密码       crt.Screen.WaitForString "Password:"       crt.Screen.Send params(1) & vbcr       '进特权模式       crt.Screen.Send "enable" & vbcr       crt.Screen.WaitForString "Password:"       crt.Screen.Send params(2) & vbcr       crt.Screen.waitForString "#"        '备份目前Startup配置       str1 = "copy startup tftp://192.168.1.2/"       str1 = str1 & "backup(" & params(0) &")" & ".cfg"       crt.Screen.Send str1 & vbcr       crt.Screen.WaitForString "]?"       crt.Screen.Send vbcr       crt.Screen.WaitForString "]?"       crt.Screen.Send vbcr       '备份完成后退出       crt.Screen.waitForString "#",3       crt.Session.Disconnect       loop    crt.Screen.Synchronous = False           End Sub
config.txt文本文件为事先编辑好的 
 格式如： 
192.168.1.1 cisco cisco 
 192.168.1.254 cisco cisco 
前面是IP地址，后面是telnet密码，最后是enable密码
Sub Main    '打开保存设备管理地址以及密码的文件    Const ForReading = 1, ForWriting = 2, ForAppending = 8    Dim fso,file1,line,str1,params    Set fso = CreateObject("Scripting.FileSystemObject")    Set file1 = fso.OpenTextFile("d:\config.txt",Forreading, False)            crt.Screen.Synchronous = True    DO While file1.AtEndOfStream <> True       '读出每行       line = file1.ReadLine       '分离每行的参数 IP地址 密码 En密码       params = Split (line)       'Telnet到这个设备上       crt.Session.Connect "/TELNET " & params(0)       '输入telnet密码       crt.Screen.WaitForString "Password:"       crt.Screen.Send params(1) & vbcr       '进特权模式       crt.Screen.Send "enable" & vbcr       crt.Screen.WaitForString "Password:"       crt.Screen.Send params(2) & vbcr       crt.Screen.waitForString "#"        '备份目前Startup配置       str1 = "copy startup tftp://192.168.1.2/"       str1 = str1 & "backup(" & params(0) &")" & ".cfg"       crt.Screen.Send str1 & vbcr       crt.Screen.WaitForString "]?"       crt.Screen.Send vbcr       crt.Screen.WaitForString "]?"       crt.Screen.Send vbcr       '备份完成后退出       crt.Screen.waitForString "#",3       crt.Session.Disconnect       loop
crt.Screen.Synchronous = False           End Sub
【示例三】 
 批量添加静态arp：
Sub Main  Const ForReading = 1  Dim fso,file,line  set fso = CreateObject("Scripting.FileSystemObject")  set file = fso.OpenTextFile("arp.txt",ForReading,False)  crt.Screen.Synchronous = True  DO While file.AtEndOfStream <> True  line = file.ReadLine  crt.Screen.Send line & vbcr  crt.Sleep 100  loop  crt.Screen.Synchronous = FalseEnd Sub
arp.txt如下：
arp static ip 12.1.1.025 mac 00:24:93:01:73:18 interface ethernet 0/0/1arp static ip 12.1.1.026 mac 00:24:93:01:73:19 interface ethernet 0/0/1arp static ip 12.1.1.027 mac 00:24:93:01:73:1a interface ethernet 0/0/1arp static ip 12.1.1.028 mac 00:24:93:01:73:1b interface ethernet 0/0/1arp static ip 12.1.1.029 mac 00:24:93:01:73:1c interface ethernet 0/0/1arp static ip 12.1.1.030 mac 00:24:93:01:73:1d interface ethernet 0/0/1arp static ip 12.1.1.031 mac 00:24:93:01:73:1e interface ethernet 0/0/1arp static ip 12.1.1.032 mac 00:24:93:01:73:1f interface ethernet 0/0/1arp static ip 12.1.1.033 mac 00:24:93:01:73:20 interface ethernet 0/0/1arp static ip 12.1.1.034 mac 00:24:93:01:73:21 interface ethernet 0/0/1

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