java 调用mysql客户端导入，导出数据

  最近遇到一个需求要在linux下用java调用mysql客户端远程登陆mysql服务器，从客户端机器导入mysql脚本，从mysql服务器端导出表中的数据。以下是用到的主要方法：

 
   /**
    * 导入数据
     * @param  脚本的地址和名称
    * @return 是否成功
     */
    public static boolean importDb(String filepath) {
        boolean flag=true;
        System.out.println("filepaht = " + filepaht); //脚本地址

        String[]   cmd = {"cat "+filepaht+"| /usr/mysql/bin/mysql -uroot -p123456 --default-character-set=gbk -h142.16.254.2 test"};
        try {
            Process process = Runtime.getRuntime().exec(
                     new String[]{
                        "sh",
                        "-c",
                        cmd[0]});
            BufferedReader inputBufferedReader = new BufferedReader(
                    new InputStreamReader(process.getInputStream()));
            String line = null;
            while ((line = inputBufferedReader.readLine()) != null) {
                System.out.println(line);
            }
            try {
                process.waitFor();
            } catch (InterruptedException e) {
                flag=false;
                e.printStackTrace();
            }

        } catch (IOException e) {
            flag=false;
            e.printStackTrace();
        }
        return flag;
    }

 

    /**
    * 导出数据
     * @param sql:要执行的查询语句
     *@param filename：生成的文件地址和文件名
     * @return 是否成功
     */
    public static boolean exportDb(String sql,String filename) {
        boolean flag=true;
//        System.out.println("filename = " + filename);


        String[]   cmd = {"/usr/mysql/bin/mysql -uroot -p123456 --default-character-set=gbk -h142.16.254.2 test -e\""+sql+"\" > "+filename};
         System.out.println("cmd[0] = " + cmd[0]);
        try {
            Process process = Runtime.getRuntime().exec(
                     new String[]{
                        "sh",
                        "-c",
                        cmd[0]});
            BufferedReader inputBufferedReader = new BufferedReader(
                    new InputStreamReader(process.getInputStream()));
            String line = null;
            while ((line = inputBufferedReader.readLine()) != null) {
                System.out.println(line);
            }
            try {
                process.waitFor();
            } catch (InterruptedException e) {
                flag=false;
                e.printStackTrace();
            }

        } catch (IOException e) {
            flag=false;
            e.printStackTrace();
        }
        return flag;
    }

服务器段mysql要加入登陆客户端机器的ip和权限；
文件夹要设置读写权限。