网络编程我不懂,如何获取本机IP,主机名,MAC地址,哪些端口开放哪些端口关闭等问题,就是本机相关网络信息,怎么获得呢?谢谢大家帮忙。应该使用winsock控件么?还有,有个网友给了我以下程序,也能获得IP和MAC,但是好像没有用到WINSOCK网络编程,是什么原理呢?
Private Sub Command1_Click()
Dim strComputer As String
Dim objWMI As Object
Dim colIP As Object
Dim IP As Object
Dim I As Integer
strComputer = "."
Set objWMI = GetObject("winmgmts://" & strComputer & "/root/cimv2")
Set colIP = objWMI.ExecQuery _
("Select * from Win32_NetworkAdapterConfiguration where IPEnabled=TRUE")
For Each IP In colIP
If Not IsNull(IP.IPAddress) Then
For I = LBound(IP.IPAddress) To UBound(IP.IPAddress)
MsgBox "IP 地址:" & IP.IPAddress(I) & Chr(10) & _
"網卡類型:" & IP.Description(I) & Chr(10) & _
"網卡地址:" & IP.Macaddress(I)
Next
End If
Next
End Sub
Private Sub Command1_Click()
Dim strComputer As String
Dim objWMI As Object
Dim colIP As Object
Dim IP As Object
Dim I As Integer
strComputer = "."
Set objWMI = GetObject("winmgmts://" & strComputer & "/root/cimv2")
Set colIP = objWMI.ExecQuery _
("Select * from Win32_NetworkAdapterConfiguration where IPEnabled=TRUE")
For Each IP In colIP
If Not IsNull(IP.IPAddress) Then
For I = LBound(IP.IPAddress) To UBound(IP.IPAddress)
MsgBox "IP 地址:" & IP.IPAddress(I) & Chr(10) & _
"網卡類型:" & IP.Description(I) & Chr(10) & _
"網卡地址:" & IP.Macaddress(I)
Next
End If
Next
End Sub
除了IP等信息,还可以获取操作系统,硬件(CPU, 物理内存,硬盘,各种驱动等等)等等信息。
不过不是所有系统都支持,网上说只有Windows 2000/NT/XP,xp的我测试过了是可以的,其他的我就没测试了。
至于WINSOCK网络编程,我不懂
不过dos下可以
运行cmd 打入ipconfig/all可以看到网络信息
打入 netstat -an 查询开放端口