windows C++ call ADB command

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提供两种方式：

1.Windows API

2.Windows _popen

// ADBHelper.cpp : This file contains the 'main' function. Program execution begins and ends there.
//

#include "pch.h"
#include <iostream>
#include "windows.h"
#include <deque>
#include <string>
#include <thread>

std::wstring StringToWString(const std::string& str);
std::string WStringToString(const std::wstring &wstr);
std::string ExeCmd(std::wstring CommandLine);

int main()
{
    for (int i = 0; i < 10; i++)
    {
        //std::string searchDevices = "adb devices";
        //std::string out_content = ExeCmd(StringToWString(searchDevices));
        //std::cout << out_content.c_str() << std::endl;
        //Sleep(50);

        FILE *fp = NULL;
        char debug_buf[1024] = { 0 };
        if ((fp = _popen("adb devices", "r")) != NULL)
        {
            ::ShowWindow(::GetConsoleWindow(), SW_HIDE);//hide console window
            while (fgets(debug_buf, 255, fp) != NULL)
            {

                if (std::string(debug_buf) != "\n")
                {
                    printf("read buffer = %s\n", debug_buf);
                }
                Sleep(50);

            }
            _pclose(fp);
            fp = NULL;
        }
    }
    std::cout << "Hello World!\n"; 
}


std::string ExeCmd(std::wstring CommandLine)
{
    STARTUPINFO si;
    SECURITY_ATTRIBUTES sa;
    PROCESS_INFORMATION pi;
    HANDLE /*g_hChildStd_IN_Rd,*/ g_hChildStd_OUT_Wr, g_hChildStd_OUT_Rd/*, g_hChildStd_IN_Wr*/;  //pipe handles
    char buf[1024];           //i/o buffer

    sa.nLength = sizeof(SECURITY_ATTRIBUTES);
    sa.bInheritHandle = TRUE;
    sa.lpSecurityDescriptor = NULL;

    //if (CreatePipe(&g_hChildStd_IN_Rd, &g_hChildStd_IN_Wr, &sa, 0))   //create stdin pipe
    //{
    if (CreatePipe(&g_hChildStd_OUT_Rd, &g_hChildStd_OUT_Wr, &sa, 0))  //create stdout pipe
    {

        //set startupinfo for the spawned process
        /*The dwFlags member tells CreateProcess how to make the process.
        STARTF_USESTDHANDLES: validates the hStd* members.
        STARTF_USESHOWWINDOW: validates the wShowWindow member*/
        GetStartupInfo(&si);

        si.dwFlags = STARTF_USESTDHANDLES | STARTF_USESHOWWINDOW;
        si.wShowWindow = SW_HIDE;
        //set the new handles for the child process
        si.hStdOutput = g_hChildStd_OUT_Wr;
        si.hStdError = g_hChildStd_OUT_Wr;
        //si.hStdInput = g_hChildStd_IN_Rd;

        //spawn the child process
        if (CreateProcess(NULL, (LPWSTR)CommandLine.c_str(), NULL, NULL, TRUE, NULL/*CREATE_NEW_CONSOLE*/,
            NULL, NULL, &si, &pi))
        {
            unsigned long bread;   //bytes read
            unsigned long avail;   //bytes available
            memset(buf, 0, sizeof(buf));

            for (;;)
            {
                PeekNamedPipe(g_hChildStd_OUT_Rd, buf, 1023, &bread, &avail, NULL);
                //check to see if there is any data to read from stdout
                if (bread != 0)
                {
                    if (ReadFile(g_hChildStd_OUT_Rd, buf, 1023, &bread, NULL))
                    {
                        break;
                    }

                }
            }

            //clean up all handles
            CloseHandle(pi.hThread);
            CloseHandle(pi.hProcess);
            //CloseHandle(g_hChildStd_IN_Rd);
            CloseHandle(g_hChildStd_OUT_Wr);
            CloseHandle(g_hChildStd_OUT_Rd);
            //CloseHandle(g_hChildStd_IN_Wr);
            return std::string(buf);
        }
        else
        {
            //CloseHandle(g_hChildStd_IN_Rd);
            CloseHandle(g_hChildStd_OUT_Wr);
            CloseHandle(g_hChildStd_OUT_Rd);
            //CloseHandle(g_hChildStd_IN_Wr);
            return std::string("create child process fail, error code: 2");
        }
    }
    else
    {
        //CloseHandle(g_hChildStd_IN_Rd);
        //CloseHandle(g_hChildStd_IN_Wr);
        return std::string("create stdout pipe fail, error code: 1");
    }
    //}
    //return std::string("create stdin pipe fail, error code: 0");
}


std::wstring StringToWString(const std::string& str)
{
    int num = MultiByteToWideChar(CP_UTF8, 0, str.c_str(), -1, NULL, 0);
    wchar_t *wide = new wchar_t[num];
    MultiByteToWideChar(CP_UTF8, 0, str.c_str(), -1, wide, num);
    std::wstring w_str(wide);
    delete[] wide;
    return w_str;
}

std::string WStringToString(const std::wstring &wstr)
{
    std::string str;
    int nLen = (int)wstr.length();
    str.resize(nLen, ' ');
    int nResult = WideCharToMultiByte(CP_ACP, 0, (LPCWSTR)wstr.c_str(), nLen, (LPSTR)str.c_str(), nLen, NULL, NULL);
    if (nResult == 0)
    {
        return "";
    }
    return str;
}

// Run program: Ctrl + F5 or Debug > Start Without Debugging menu
// Debug program: F5 or Debug > Start Debugging menu

// Tips for Getting Started: 
//   1. Use the Solution Explorer window to add/manage files
//   2. Use the Team Explorer window to connect to source control
//   3. Use the Output window to see build output and other messages
//   4. Use the Error List window to view errors
//   5. Go to Project > Add New Item to create new code files, or Project > Add Existing Item to add existing code files to the project
//   6. In the future, to open this project again, go to File > Open > Project and select the .sln file

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