java获取程序运行路径、获取当前jar路径

java获取程序运行路径、获取当前jar路径

public class RtuMain {
    public static void main(String[] args) {
        System.out.println(getProjectPath());
        System.out.println(getRealPath());
    }
    public static String getProjectPath() throws UnsupportedEncodingException {
        URL url = RtuMain.class.getProtectionDomain().getCodeSource().getLocation();
        String filePath = URLDecoder.decode(url.getPath(), "utf-8");
        if (filePath.endsWith(".jar")) {
            filePath = filePath.substring(0, filePath.lastIndexOf("/") + 1);
        }
        File file = new File(filePath);
        filePath = file.getAbsolutePath();
        return filePath;
    }
    public static String getRealPath() {
        String realPath = RtuMain.class.getClassLoader().getResource("").getFile();
        File file = new File(realPath);
        realPath = file.getAbsolutePath();
        try {
            realPath = URLDecoder.decode(realPath, "utf-8");
        } catch (Exception e) {
            e.printStackTrace();
        }
        return realPath;
    }
}