jsp怎么连接mysql数据库代码
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<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%@ page import="java.sql.*" %>
<body>
<%
String driver = "com.mysql.jdbc.Driver";
// URL指向要访问的数据库名test1
String url = "jdbc:mysql://127.0.0.1:3306/test";
// MySQL配置时的用户名
String user = "root";
// Java连接MySQL配置时的密码
String password = "111";
try {
// 1 加载驱动程序
Class.forName(driver);
// 2 连接数据库
Connection conn = DriverManager.getConnection(url, user, password);
// 3 用来执行SQL语句
Statement statement = conn.createStatement();
// 要执行的SQL语句
String sql = "select * from login";
ResultSet rs = statement.executeQuery(sql);
String name = null;
String mima=null;
while (rs.next()) {
name = rs.getString("userName");
mima = rs.getString("passWord");
out.println(name+"\t"+mima);
}
rs.close();
conn.close();
} catch (ClassNotFoundException e) {
System.out.println("Sorry,can`t find the Driver!");
e.printStackTrace();
} catch (SQLException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
}
%>
</body>
<%@ page import="java.sql.*" %>
<body>
<%
String driver = "com.mysql.jdbc.Driver";
// URL指向要访问的数据库名test1
String url = "jdbc:mysql://127.0.0.1:3306/test";
// MySQL配置时的用户名
String user = "root";
// Java连接MySQL配置时的密码
String password = "111";
try {
// 1 加载驱动程序
Class.forName(driver);
// 2 连接数据库
Connection conn = DriverManager.getConnection(url, user, password);
// 3 用来执行SQL语句
Statement statement = conn.createStatement();
// 要执行的SQL语句
String sql = "select * from login";
ResultSet rs = statement.executeQuery(sql);
String name = null;
String mima=null;
while (rs.next()) {
name = rs.getString("userName");
mima = rs.getString("passWord");
out.println(name+"\t"+mima);
}
rs.close();
conn.close();
} catch (ClassNotFoundException e) {
System.out.println("Sorry,can`t find the Driver!");
e.printStackTrace();
} catch (SQLException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
}
%>
</body>
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