user=root

password=1230

driverClass=com.mysql.jdbc.Driver

jdbcUrl=jdbc:mysql:///atguigu

import java.io.IOException;

import java.io.InputStream;

import java.util.Properties;

import java.sql.DriverManager;

import java.sql.SQLException;

import com.mysql.jdbc.Connection;

public class JDBCTools {

public JDBCTools() {

}

public static Connection getConnection() throws IOException, SQLException {

Connection conn = null;

Properties properties = newProperties();

InputStream inStream = JDBCTools.class.getClassLoader()

.getResourceAsStream("jdbc.properties");

properties.load(inStream);

String user = properties.getProperty("user");

String password = properties.getProperty("password");

String driverClass = properties.getProperty("driverClass");

String jdbcUrl = properties.getProperty("jdbcUrl");

conn = (Connection) DriverManager.getConnection(jdbcUrl,user,password);

return conn;

Java 用jdbc连接数据库

原文：http://441540598.blog.51cto.com/3014627/1896505