/*查看本机WiFi密码时间：2020年5月7日11:24:26 
*/ #include <iostream>
#include <string>
#include <cstdlib>
#include <cstdio>
using namespace std;
class Wifi{private:string name;public:Wifi(string _name):name(_name){}string getName(){return this->name; }};void showWifiPassword(Wifi wifi)
{string cmd="netsh wlan show profiles "+wifi.getName()+" key=clear >>1.tmp";system(cmd.c_str());FILE *fp;if((fp=fopen("1.tmp","r"))==NULL){cout<<"file open error"<<endl;}char lineTxt[1024];for(int i=0;i<33;i++){fgets(lineTxt,1024,fp);}string passwd=lineTxt;int c=passwd.find(':');passwd.erase(passwd.begin(),passwd.begin()+c+2);cout<<"Wifi Name:     "<<wifi.getName()<<endl;cout<<"Wifi Password: "<<passwd; system("pause");
}
int main(int argc,char *argv[])
{if(argc<2){cout<<"error"<<endl;}Wifi w(argv[1]);showWifiPassword(w);return 0;
} 
/*TP-LINK_E467
*/

使用方式，编译完成之后，添加参数例如

我将上面代码编译show.exe

运行 show TP-LINK_E467

得到如下结果