package org.lsy.servlet;
import java.io.IOException;
import java.io.PrintWriter;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class UpdatePage extends HttpServlet
{
// 连接地址是由各个数据库生产商单独提供的，所以需要单独记住
public static final String DBURL = "jdbc:mysql://localhost:3306/kui";
// 连接数据库的用户名
public static final String DBUSER = "root";
// 连接数据库的密码
public static final String DBPASS = "001011";
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException
{
String name=request.getParameter("name");
//设置请求和响应的编码 ，不然页面上容易出现乱码
request.setCharacterEncoding("UTF-8");
response.setCharacterEncoding("UTF-8");
response.setContentType("text/html;UTF-8");
PrintWriter out = response.getWriter();
try
{
Connection conn = null; // 表示数据库的连接的对象
Statement stmt = null; // 表示数据库的更新操作
// 1、使用Class类加载驱动程序
Class.forName("com.mysql.jdbc.Driver");
// 2、连接数据库
conn = DriverManager.getConnection(DBURL, DBUSER, DBPASS);
// 3、Statement接口需要通过Connection接口进行实例化操作
stmt = conn.createStatement();
//用 rs获取查询结果
ResultSet rs=stmt.executeQuery("select * from student where name='"+name+"'");
while (rs.next())
{
out.println("");
out.println("");
out.println(" A Servlet");
out.println(" ");
//输入成绩的表单，提交至Update
out.print(" ");
out.print(" ");
out.println("");
}
out.flush();
out.close();
}
catch (Exception e) {
e.printStackTrace();// TODO: handle exception
}
}
}