java 使用mysqldump导出数据

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;

public class test {
	public static void main(String[] args) throws IOException, InterruptedException{
        String str = "mysqldump --default-character-set=utf8 --host=xx --port=3306 --user=root --password=1111 db_name tableA > /home/11.sql";
        String[] cmd = new String[]{"/bin/sh","-c",str};
        Process process = Runtime.getRuntime().exec(cmd);
        printMessage(process.getInputStream());
		printMessage(process.getErrorStream());
        if (process.waitFor() == 0) {
                System.out.println("ok");
        }
        else{
                System.out.println("errror");
        }
}
	 private static void printMessage(final InputStream input) {
			new Thread(new Runnable(){
				@Override
				public void run() {
					Reader reader = new InputStreamReader(input);
					BufferedReader bf = new BufferedReader(reader);
					String line = null;
					try{
						while((line=bf.readLine())!=null){
							System.out.println(line);
						}
					}
					catch(IOException e){
						e.printStackTrace();
					}

				}}).start();

		}
}