DBCP连接池的使用

 DBCP连接池的使用

package com.wangyang.dbcp;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.sql.Connection;
import java.sql.SQLException;
import java.util.Properties;

import javax.sql.DataSource;

import org.apache.commons.dbcp2.BasicDataSourceFactory;

/**
 * 使用连接池获得数据库的连接
 * @author wangyang
 *
 */
public class DbcpUtil {
    private static DataSource ds;
    private static Properties prop = new Properties();
    private static String path="dbcp.properties";
    static{
        try {
            FileInputStream fos = new FileInputStream(path);
            prop.load(fos);
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        try {
            ds = BasicDataSourceFactory.createDataSource(prop);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    /**
     * 构造方法中传递数据库配置文件的路径路径
     */
    
    /**
     * 从连接池中获取一个数据连接
     * 
     */
    public static Connection getConnection(){
        Connection conn = null;
        try {
            conn = ds.getConnection();
        } catch (SQLException e) {
            e.printStackTrace();
        }
        
        try {
            conn.setAutoCommit(false);
        } catch (SQLException e) {
            e.printStackTrace();
        }
        return conn;
        
    }
    public static Connection getConnectionAuto(){
        Connection conn = null;
        try {
            conn = ds.getConnection();
        } catch (SQLException e) {
            e.printStackTrace();
        }
        return conn;
        
    }

}