在C++程序中打开微软Word

正如标题所提到的，我正试图通过这个程序打开MicrosoftWord，但遇到了一点困难。在对进程进行了一些研究之后，我决定使用进程ID和Fork函数来处理在程序中打开另一个文件的问题。我似乎遇到一些困难的领域是exec系列函数。对于这些函数，它们似乎有各种不同的用途，但我很难思考应该使用哪个函数，以及我是否在语法上正确地列出了我的论点

键入msword时，我的控制台会将以下内容打印到屏幕上：

您好--，您想打开什么应用程序

msword

创建子进程以打开Microsoft Word

#include <stdio.h>
#include <iostream>
#include <string>

// Routine Headers
#include <sys/types.h>
#include <unistd.h>
using namespace std;

//function that actually processes loading the program, will take the result of searchApplication
void loadApplication(string path)
{
    // If the user typs Microsoft Word (msword abbreviation...)
    if(path == "msword")
    {
        cout << "Creating Child Process To Open Microsoft Word\n";
        pid_t ProcessID = fork();

        if(ProcessID == -1)
        {
        cout << "Error creating another Process... Exiting\n";
        exit(1);
        }
        // This is the child process
        else if (ProcessID == 0)
        {
            execle("/Applications/Microsoft Office 2011", nullptr);
        }
        // This is the parent process
        else
        {
            cout << "parent process\n";
        }
    }

int main()
{
    cout << "Hello ---, what application would you like to open?\n";
    string input;
    cin >> input;
    loadApplication(input);


    return 0;
}

父进程

打开Microsoft Word

#include <stdio.h>
#include <iostream>
#include <string>

// Routine Headers
#include <sys/types.h>
#include <unistd.h>
using namespace std;

//function that actually processes loading the program, will take the result of searchApplication
void loadApplication(string path)
{
    // If the user typs Microsoft Word (msword abbreviation...)
    if(path == "msword")
    {
        cout << "Creating Child Process To Open Microsoft Word\n";
        pid_t ProcessID = fork();

        if(ProcessID == -1)
        {
        cout << "Error creating another Process... Exiting\n";
        exit(1);
        }
        // This is the child process
        else if (ProcessID == 0)
        {
            execle("/Applications/Microsoft Office 2011", nullptr);
        }
        // This is the parent process
        else
        {
            cout << "parent process\n";
        }
    }

int main()
{
    cout << "Hello ---, what application would you like to open?\n";
    string input;
    cin >> input;
    loadApplication(input);


    return 0;
}

---

您不必为此使用fork/exec。只需将命令传递给：

请注意，您需要如上所示转义应用程序名称中的所有空格，并指定全名，而不仅仅是显示的名称

这是一个非常好的例子