jsp mysql

add MySQL JDBC Driver - mysql-connector-java-5.1.6-bin.jar to tomcat WEB-INF/lib direcotry

MySQL

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sudo /etc/init.d/mysqld start

mysql -u root -p

create database mysql_test

use mysql_test

create table users(id int not null primary key auto_increment, name varchar(30), pwd varchar(40));

insert into users(id, name, pwd) value(1, "aa", "11");

insert into users(id, name, pwd) value(2, "bb", "22");

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JSP page

<%@ page contentType="text/html; charset=gb2312" language="java"
import="java.sql.*"%>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<%
    //**************************************
    //********* JDBC_ODBC连接MySql数据库，不需要设置数据源
    //*********************************/
    //********** 数据库连接代码开始 ******/
    //以下几项请自行修改

    String server="localhost";        //MYSQL 服务器的地址
    String dbname="mysql_test";            //MYSQL 数据库的名字
    String user="root";                //MYSQL 数据库的登录用户名
    String pass="xxxxxx";            //MYSQL 数据库的登录密码
    String port="3306";    //SQL Server 服务器的端口号，默认为1433

    //数据库连接字符串
    String url ="jdbc:mysql://"+server+":"+port+"/"+dbname+"?user="+user+"&password="+pass+"&useUnicode=true&characterEncoding=GB2312";
    //加载驱动程序
    Class.forName("org.gjt.mm.mysql.Driver").newInstance();
    //建立连接
    Connection conn= DriverManager.getConnection(url);
    //创建语句对象
    Statement stmt=conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_UPDATABLE);
    // ****     数据库连接代码结束 *******

    String sql="select * from users";
    ResultSet rs=stmt.executeQuery(sql);
    //rs.first();
    while(rs.next()){
    out.print("用户名:");
    out.print(rs.getString("name")+" 密码:");
    out.println(rs.getString("pwd")+"<br>");
    }
    rs.close();
    stmt.close();
    conn.close();
%>