executepreparedstatementcallback.java

Spring2.0宝典

package lee;

import java.util.List;
import java.util.Iterator;
import java.sql.*;

import javax.sql.DataSource;
import com.mchange.v2.c3p0.ComboPooledDataSource;

import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.core.PreparedStatementCallback;
import org.springframework.dao.DataAccessException;


import java.util.Map;

/**
 * @author  yeeku.H.lee [e-mail]
 * @version  1.0
 * <br>Copyright (C), 2005-2008, yeeku.H.Lee
 * <br>This program is protected by copyright laws.
 * <br>Program Name:
 * <br>Date: 
 */

public class ExecutePreparedStatementCallback
{
	
	public static void main(String[] args)throws Exception
	{

		ComboPooledDataSource ds = new ComboPooledDataSource();
		ds.setDriverClass("com.mysql.jdbc.Driver");
		ds.setJdbcUrl("jdbc:mysql://localhost:3306/j2ee");
		ds.setUser("root");
		ds.setPassword("32147");
        ds.setMaxPoolSize(40);
        ds.setMinPoolSize(2); 
        ds.setMaxStatements(180); 
		
		//创建一个JdbcTemplate
		JdbcTemplate jt = new JdbcTemplate();
		//为JdbcTemplate指定DataSource
		jt.setDataSource(ds);

        jt.execute("update mytable set name=? where name = 'xx'", new PreparedStatementCallback()
        {
            public Object doInPreparedStatement(PreparedStatement pstmt)throws SQLException
            {
                pstmt.setString(1,"-----");
                pstmt.execute();
                return null;
            }
        });


	}
}