public class Lanucher {

public static void main(String[] args) {
  Runtime runtime = Runtime.getRuntime();
  String homePath = null;
  if (args.length > 0) {
    homePath = args[0];
  }

  if (homePath == null) {
    homePath = System.getProperty("user.dir");
  }

  if (homePath == null) {
    //如果主目录信息不存在, 则抛出错误, 然后关闭程序.
    System.err.println("错误:系统没有指定主目录路径, 请联系系统管理员.");
    execute(runtime, "pause");
  } else {

    System.out.println("1.使用主目录:" + homePath);

    //启动应用程序.
    String libPath = homePath + "/lib";
    File libFile = new File(libPath);
    File[] jarFiles = libFile.listFiles(new FilenameFilter() {
    public boolean accept(File dir, String name) {
      return name.endsWith(".jar") || name.endsWith(".JAR");
    }
    });
    String classpath = libPath;
    if (jarFiles != null) {
    for (int i = 0; i < jarFiles.length; i++) {
      String jarFilePath = jarFiles.getPath();
      System.out.println("2.添加库文件:" + jarFilePath);
      classpath += ";" + jarFilePath;
    }
    }
    String execute = ("\"" +
              homePath + "/jre/bin/java\" -classpath \"" +
              classpath + "\" -Djava.library.path=\"" +
              libPath + "\" com.yipsilon.lifestyle.Application " +
              homePath).replace('\\', '/');

    System.out.println("3.执行程序:" + execute);

    execute(runtime, execute);
  }
}

private static void execute(Runtime runtime, String command) {
  try {
    runtime.exec(command);
  } catch (IOException ioe) {
    //如果主目录信息不存在, 则抛出错误, 然后关闭程序.
    System.err.println("错误:执行主程序时出现错误.\n\n" + ioe.getMessage());
    try {
    runtime.exec("pause");
    } catch (IOException ignore) {
    }
  }
}
}