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@@ -0,0 +1,81 @@
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+package org.lsy.servlet;
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+
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+import java.io.IOException;
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+import java.io.PrintWriter;
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+import java.sql.Connection;
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+import java.sql.DriverManager;
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+import java.sql.Statement;
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+
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+import javax.servlet.ServletException;
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+import javax.servlet.http.HttpServlet;
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+import javax.servlet.http.HttpServletRequest;
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+import javax.servlet.http.HttpServletResponse;
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+
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+public class delete extends HttpServlet
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+{
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+ // 驱动程序就是之前在classpath中配置的jdbc的驱动程序的jar包中
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+
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+
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+
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+ // 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
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+ public static final String DBURL = "jdbc:mysql://localhost:3306/kui";
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+ // 连接数据库的用户名
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+ public static final String DBUSER = "root";
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+ // 连接数据库的密码
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+ public static final String DBPASS = "001011";
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+
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+
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+ public void doGet(HttpServletRequest request, HttpServletResponse response)
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+ throws ServletException, IOException
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+ {
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+ try
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+
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+ {
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+ request.setCharacterEncoding("UTF-8");
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+ response.setCharacterEncoding("UTF-8");
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+ response.setContentType("text/html;UTF-8");
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+ PrintWriter out = response.getWriter();
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+ Connection conn = null; // 表示数据库的连接的对象
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+ Statement stmt = null; // 表示数据库的更新操作
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+ //获取表单提交的参数
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+ String name=request.getParameter("name");
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+ System.out.println(name);
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+
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+ String grent=request.getParameter("grent");
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+ String result=request.getParameter("result");
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+ //更新SQL
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+ String sqlString="delete from student where name='"+name+"' ";
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+ // 1、使用Class类加载驱动程序
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+ Class.forName("com.mysql.jdbc.Driver");
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+ // 2、连接数据库
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+ conn = DriverManager.getConnection(DBURL, DBUSER, DBPASS);
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+ // 3、Statement接口需要通过Connection接口进行实例化操作
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+ stmt = conn.createStatement();
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+ int pd=stmt.executeUpdate(sqlString);
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+ if(pd!=0)
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+ {
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+ out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
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+ out.println("<HTML>");
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+ out.println(" <HEAD><TITLE>A Servlet</TITLE></HEAD>");
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+ out.println(" <BODY>");
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+ out.print(" 删除成功<br><a href=MMC_01>查看列表</a> ");
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+ out.println(" </BODY>");
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+ out.println("</HTML>");
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+ }
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+ out.flush();
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+ out.close();
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+ stmt.close();
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+ conn.close();
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+ }
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+ catch (Exception e)
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+ {
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+ // TODO: handle exception
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+ }
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+ }
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+ public void doPost(HttpServletRequest request, HttpServletResponse response)
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+ throws ServletException, IOException
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+ {
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+ doGet(request, response);
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+ }
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+
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+ }
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