delete.java~1~

功能描述： 1：管理员和普通用户采用同一页面登陆。 2：普通用户可以查看和修改自己的登陆密码。 3：普通用户可以给系统内的每一为人员发送信息

/*
 * delete.java //删除信息
 *
 * Created on 2007年5月27日, 下午7:01
 */

package inc;




import java.io.*;
import java.net.*;
import java.sql.*;
import javax.sql.*;
import inc.condb;
import javax.servlet.*;
import javax.servlet.http.*;

public class delete
    extends HttpServlet {

  public void doGet(HttpServletRequest request, HttpServletResponse response) throws
      ServletException, IOException {
    response.setContentType("text/html;charset=UTF-8");
    PrintWriter out = response.getWriter();
     HttpSession session = request.getSession();
    String username = (String) session.getAttribute("username");
    String id=request.getParameter("id");
    int Id=Integer.parseInt(id);
    if (username == null) {
      response.sendRedirect("index.html");
      return;
    }
    try {
        
        String delesql="delete from messageinfo where messageid="+Id+"";
        condb conn=new condb();
        conn.executeUpdate(delesql);
        out.println("<script>\r\n");
        out.println("{ \r\n");
        out.println("alert(\"恭喜你，删除成功\"); \r\n");
        out.println("window.document.location.href=\"#\";\r\n");
        out.println("}\r\n");
        out.println("</script>");
  }
    catch (Exception e) {

    }

  }

  public void doPost(HttpServletRequest request, HttpServletResponse response) throws
      ServletException, IOException {
    doGet(request, response);
  }
}