jsp登录后修个个人信息

/* * To change this template, choose Tools | Templates * and open the template in the editor. */ package servlet; import java.io.*; import java.net.*; import db.DBConnection; import javax.servlet.*; import javax.servlet.http.*; /** * * @author Administrator */ public class selectServlet extends HttpServlet { /** * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods. * @param request servlet request * @param response servlet response */ protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html;charset=UTF-8"); PrintWriter out = response.getWriter(); try { String LoinName = request.getParameter("txtLoin"); String pwd = request.getParameter("txtPwd"); String name = LoinName; if (LoinName.equals("") || pwd.equals("")) { out.println("用户名或者密码不能为空"); out.println("<a href='index.jsp'>返回</a>"); } else { db.DBConnection conn = new DBConnection(); String sql = "select * from userinfo where LoginName ='" + LoinName + "' and Password = '" + pwd + "'"; conn.selectQeary(sql); out.println(sql); response.sendRedirect("resultShow.jsp?LoinName=" + name); } } finally { out.close(); } } // <editor-fold defaultstate="collapsed" desc="HttpServlet 方法。单击左侧的 + 号以编缉代码。"> /** * Handles the HTTP <code>GET</code> method. * @param request servlet request * @param response servlet response */ protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { processRequest(request, response); } /** * Handles the HTTP <code>POST</code> method. * @param request servlet request * @param response servlet response */ protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { processRequest(request, response); } /** * Returns a short description of the servlet. */ public String getServletInfo() { return "Short description"; } // </editor-fold> }