我制作了这段代码来移动一个文件夹，然后将它硬链接到它的原始目的地。当我只是从 Eclipse 中尝试它时，它完全可以工作，但是当我将它变成它自己的自我执行 jar 时，它不会创建硬链接，但它会移动文件夹。代码运行命令行，然后输入命令。我不知道移动命令有效，而另一个无效。请帮忙。（Mklink 命令）
import java.io.*;
import javax.swing.JOptionPane;
public class The_Cloud_Setup {
public static void main(String[] args) throws IOException
{
try {
String command = "c:\\cmd.exe";
Runtime.getRuntime().exec(command);
}
catch (IOException e){
JOptionPane.showMessageDialog(null , e.getMessage(), "End Result", 2);
System.err.println(e.getMessage());
}
String[] StringMove = { "cmd.exe", "/c", "move"+" "+"\"C:/Users/%username%/Documents/My Games/Terraria/Players\""+" "+"\"C:/Users/%username%/Google Drive/Players\""};
String[] StringMklink = {"cmd.exe", "/c", "mklink"+" "+"/d"+" "+"\"C:/Users/%username%/Documents/My Games/Terraria/Players\""+" "+"\"C:/Users/%username%/Google Drive/Players\""};
Process ProcessMove = Runtime.getRuntime().exec(StringMove);
Process ProcessMklink = Runtime.getRuntime().exec(StringMklink);
BufferedReader VarMove = new BufferedReader(new InputStreamReader(ProcessMove.getInputStream()));
BufferedReader VarMklink = new BufferedReader(new InputStreamReader(ProcessMklink.getInputStream()));
String temp = "";
while ((temp = VarMove.readLine()) != null) {
System.out.println(temp);
}
VarMove.close();
VarMklink.close();
}
}