Java JDBC原生代码连接MySQL/SQLServer/Oracle数据库

1.连接MySQL数据库
驱动包：mysql-connector-java-5.1.18-bin.jar
驱动程序名：com.mysql.jdbc.Driver
连接字符串：jdbc:mysql://localhost:3306/database

 1 package com.chenshuyi.dbsummary;
 2 
 3 import java.sql.Connection;
 4 import java.sql.DriverManager;
 5 
 6 import org.junit.Test;
 7 
 8 import junit.framework.TestCase;
 9 
10 public class MySQL extends TestCase {
11     
12     @Test public void testConnectToMySQL()
13     {
14         String driver = "com.mysql.jdbc.Driver";
15         String url = "jdbc:mysql://127.0.0.1:3306/chanjiayi";
16         String user = "root"; 
17         String password = "sa";
18         try{ 
19             Class.forName(driver);
20              Connection conn = DriverManager.getConnection(url, user, password);
21              
22              if(conn != null)
23              {
24                  System.out.println("get Connection SUCCESS !");
25              }
26         }
27         catch(Exception e)
28         {
29             e.printStackTrace();
30         }
31     }
32 }

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