封装JDBCUtils工具类

package com.offcn.util;

import com.mchange.v2.c3p0.ComboPooledDataSource;

import java.sql.Connection;
import java.sql.SQLException;

/**
 * 负责管理数据库连接的
 * 1.封装连接池对象的创建过程
 * 2.封装从连接池中获取数据库连接对象的过程
 */
public class JdbcUtils {
    private static ComboPooledDataSource dataSource;
    static{
         dataSource = new ComboPooledDataSource();
    }

    public static Connection getConnection(){
        try {
           return dataSource.getConnection();
        } catch (SQLException throwables) {
            throwables.printStackTrace();
            return null;
        }
    }
}