1、spout：

package com.TestStorm;

import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.Reader;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Map;

import org.apache.storm.generated.DistributedRPCInvocations.Processor.result;
import org.apache.storm.spout.SpoutOutputCollector;
import org.apache.storm.task.TopologyContext;
import org.apache.storm.topology.OutputFieldsDeclarer;
import org.apache.storm.topology.base.BaseRichSpout;
import org.apache.storm.tuple.Fields;
import org.apache.storm.tuple.Values;

public class TestSpout extends BaseRichSpout {

	String url = "jdbc:mysql://192.168.0.44:3306/mysql";
	String username = "root";
	String password = "mysql";

	private ResultSet rs;
	private Statement state;
	private SpoutOutputCollector collector;
	int id = 0;
	public void nextTuple() {
		try {
			
			String str = "";	
			if (rs.next()) {
				id = rs.getInt(1);
				str = rs.getString(1) + " " + rs.getString(2) + "\n";
				System.out.print(str);
				collector.emit(new Values(str));
			}else{

				rs.close();
				rs = state.executeQuery("select * from storm  where id > "+ id +" order by id limit 10000" );
			
			}
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}

	}

	public void open(Map arg0, TopologyContext arg1, SpoutOutputCollector arg2) {

		try {
			String driver = "com.mysql.jdbc.Driver";
			Class.forName(driver);
			Connection conn = DriverManager.getConnection("jdbc:mysql://192.168.0.44:3306/mysql", "root", "mysql");
			state = conn.createStatement();
			rs = state.executeQuery("select * from storm where id > "+ id +" order by id limit 10000");

			this.collector = arg2;
		} catch (ClassNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}

	public void declareOutputFields(OutputFieldsDeclarer arg0) {

		arg0.declare(new Fields("str"));
	}
}
 

package com.TestStorm;

import java.io.ByteArrayInputStream;
import java.io.DataInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URI;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Map;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FSDataOutputStream;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.io.IOUtils;
import org.apache.storm.task.TopologyContext;
import org.apache.storm.topology.BasicOutputCollector;
import org.apache.storm.topology.OutputFieldsDeclarer;
import org.apache.storm.topology.base.BaseBasicBolt;
import org.apache.storm.tuple.Fields;
import org.apache.storm.tuple.Tuple;

public class TestBolt extends BaseBasicBolt {

	private String str;
	private FSDataOutputStream fo;

	Connection conn;
	private Statement state;

	public void execute(Tuple arg0, BasicOutputCollector arg1) {
		String str = String.valueOf(arg0.getValueByField("str"));
		try {
			state.execute("insert into newStorm values('" + str + "')");
		} catch (SQLException e) {
			e.printStackTrace();
		}

	}

	public void prepare(Map stormConf, TopologyContext context) {

		System.out.println("............bolt............");

		try {
			String driver = "com.mysql.jdbc.Driver";
			Class.forName(driver);
			conn = DriverManager.getConnection("jdbc:mysql://192.168.0.44:3306/mysql", "root", "mysql");
			state = conn.createStatement();
		} catch (ClassNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}

	public void declareOutputFields(OutputFieldsDeclarer arg0) {

		arg0.declare(new Fields("str"));
	}
}
 

package com.TestStorm;

import org.apache.storm.Config;
import org.apache.storm.StormSubmitter;
import org.apache.storm.generated.AlreadyAliveException;
import org.apache.storm.generated.AuthorizationException;
import org.apache.storm.generated.InvalidTopologyException;
import org.apache.storm.topology.TopologyBuilder;

public class Job {

	public static void main(String[] args)
			throws AlreadyAliveException, InvalidTopologyException, AuthorizationException {

		TopologyBuilder builder = new TopologyBuilder();
		builder.setSpout("Testspout", new TestSpout(), 1);
		builder.setBolt("Testbolt", new TestBolt(), 10).shuffleGrouping("Testspout");
		Config config = new Config();
		config.setDebug(false);
		config.setNumWorkers(2);

		StormSubmitter.submitTopology(args[0], config, builder.createTopology());

	}

}