Java下转换路径

是在windows上工作，参考https://my.oschina.net/redraiment/blog/1936368，开头尝试jni这个jar包，分别下载了

jnr-posix-3.0.54.jar，jnr-ffi-2.1.12.jar，jnr-constants-0.9.15.jar

发现在windows上不工作，于是参考https://stackoverflow.com/questions/840190/changing-the-current-working-directory-in-java/840253#840253，用了一些方案，发现不行，最后采用jna才解决。

我加入的代码是：

import com.sun.jna.Library;
import com.sun.jna.Native;
import com.sun.jna.Platform;

    private static interface MyKernel32 extends Library {
        public MyKernel32 INSTANCE = (MyKernel32) Native.loadLibrary("Kernel32", MyKernel32.class);
    
        /** BOOL SetCurrentDirectory( LPCTSTR lpPathName ); */
        int SetCurrentDirectoryW(char[] pathName);
    }

    private void fileTagProjectMenuItemActionPerformed(java.awt.event.ActionEvent evt) {
        Runtime rn = Runtime.getRuntime();
        Process p = null;
        String curDir = System.getProperty("user.dir");
        String targetDir = curDir + "\SourceInstrument\";
        try {
            addPrevillege();
            // POSIX posix = POSIXFactory.getPOSIX(new PosixHandler(), true);
            // posix.chdir(targetDir);
            MyKernel32.INSTANCE.SetCurrentDirectoryW(targetDir.toCharArray());
            String cmd1 = String.format("cmd /c cd %s && sci.exe", targetDir);
//          String cmd1 = targetDir + "sci.exe"; //cannot do so
            p = rn.exec(cmd1);
            p.waitFor();
            MyKernel32.INSTANCE.SetCurrentDirectoryW(curDir.toCharArray());
            // posix.chdir(curDir);
            // posix.exec("cmd /c start " + targetDir + "/Sci.exe");
        } catch (Exception e) {
            Logger.getLogger("Exec").warning(targetDir );
        }

    }
这样才能work。

关于jna学习资料，https://blog.csdn.net/gwd1154978352/article/details/55097376 这里面介绍的不错。