<%@ page language="java" import="java.sql.*" pageEncoding="GBK"%> <html> <head> <title>JDBC</title> </head> <body> <%! ResultSet rs = null; PreparedStatement pstmt = null; Connection conn = null; %> <% try { Class.forName("com.mysql.jdbc.Driver"); conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/mydata","root", "root"); pstmt = conn.prepareStatement("insert into student(Name,Age,Tel,Address) values (?, ?, ?,?)"); pstmt.setString(1, "wang"); pstmt.setInt(2, 21); pstmt.setString(3, "123456789"); pstmt.setString(4, "shanghai"); pstmt.executeUpdate(); Statement st = conn.createStatement(); rs = st.executeQuery("select * from student"); while(rs.next()) { out.println(" " + rs.getString("Name")); out.println(" " + rs.getInt("Age")); out.println(" " + rs.getString("Tel")); out.println(" " + rs.getString("Address")); out.println("<br>"); } } catch (ClassNotFoundException e) { e.printStackTrace(); } catch (SQLException e) { e.printStackTrace(); } finally { try { if (rs != null) { rs.close(); } if (pstmt != null) { pstmt.close(); } if (conn != null) { conn.close(); } } catch (SQLException e) { e.printStackTrace(); } } %> </body> </html>