spring 的数据库工具类 JDBCTemplate

package com.jdbc.utils;

import com.alibaba.druid.pool.DruidDataSourceFactory;
import org.junit.Test;

import javax.sql.DataSource;
import java.io.IOException;
import java.sql.Connection;
import java.sql.SQLException;
import java.util.Properties;

public class JDBCDruid {

    private static DataSource data;
    static{
        Properties ps=new Properties();
        try {
            ps.load(Thread.currentThread().getContextClassLoader().getResourceAsStream("druid.properties"));
            data=DruidDataSourceFactory.createDataSource(ps);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    public static Connection getConnection() throws SQLException {
        return data.getConnection();
    }
    public static DataSource getDataSource(){
        return data;
    }


}

　

druid.properties 配置文件

driverClassName=com.mysql.jdbc.Driver
url=jdbc:mysql://localhost:3306/mybase
username=root
password=root
initialSize=5
maxActive=10
maxWait=3000
minIdle=3