最近总是在生活在实验室和寝室两点之间，整天都背着个本本~来回上网都要手动切换IP地址，很是不方便，~于是今天脑子一热用C++写了个小程序，这下高效多了~配置IP只需一键~到实验室时只需选择实验室选项即可自动配置为我所需要的地址，回来寝室后又可迅速调整过来~最主要的用的就是netsh命令，比如用bat、VBS脚本调用它也可以实现，高级点的就要调用WINAPI函数了~
注：这是以前的一篇日志，现在转到这了。

#include <iostream>
#include <string>
using namespace std;
int menu_select();
void shiy();
void qinshi();
void zidong();
int main(void)
{
for(;;)
{
switch(menu_select())
{
case 1:shiy();break;
case 2:qinshi();break;
case 3:zidong();break;
case 4:break;
case 5:exit(0);
}
}
system("PAUSE");
return 0;
}
int menu_select()
{
int n;
cout<<"--------------自动IP地址配置-------------"<<endl;
cout<<"|\t\t-by Oyster\t\t|"<<endl;
cout<<"|\t\t-2011/3/30\t\t|"<<endl;
cout<<"-----------------------------------------"<<endl;
cout<<"\t1.实验室\n";
cout<<"\t2.寝室\n";
cout<<"\t3.自动获取\n";
cout<<"\t4.临时WLAN\n";
cout<<"\t5.退出\n";
do{
cout<<"\n\t请输入选项（1~5）：";
cin>>n;
}while(n<1||n>5);
return n;
}
void shiy()
{
system("CLS");
system("netsh interface ipv4 set address name=\"无线网络连接\" source=static address=1.1.1.189 mask=255.255.255.0 gateway=1.1.1.200");
system("netsh interface ipv4 set dnsservers name=\"无线网络连接\" source=static address=1.1.1.200 register=primary");
cout<<"成功切换为实验室模式...\n";
getchar();
system("CLS");
}
void qinshi()
{
system("CLS");
system("netsh interface ipv4 set address name=\"无线网络连接\" source=static address=115.158.178.69 mask=255.255.255.128 gateway=115.158.178.126");
system("netsh interface ipv4 set dnsservers name=\"无线网络连接\" source=static address=222.21.112.18 register=primary");
cout<<"成功切换为寝室模式...\n";
getchar();
system("CLS");
}
void zidong()
{
system("CLS");
system("netsh interface ipv4 set address name=\"无线网络连接\" source=dhcp");
system("netsh interface ipv4 set dnsservers name=\"无线网络连接\" source=dhcp");
cout<<"成功切换为自动获取模式...\n";
getchar();
system("CLS");
}