登录信息保存到SESSION后显示在首页的问题 现在在登陆一次后，不需要输入用户名密码直接提交在首页就可以显示。
这是SERVLET中的代码
- Java code
package com.weibo.servlets;import java.io.*;import java.sql.*;import com.weibo.*;import com.weibo.biz.UserAccountBiz;import com.weibo.biz.impl.UserAccountBizImpl;import com.weibo.dao.UserAccountDao;import com.weibo.dao.impl.UserAccountDaoImpl;import javax.jms.Session;import javax.servlet.RequestDispatcher;import javax.servlet.ServletException;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import javax.servlet.http.HttpSession;public class LoginPass extends HttpServlet { public LoginPass() { super(); } public void destroy() { super.destroy(); // Just puts "destroy" string in log // Put your code here } public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // doPost(request, response); } public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { boolean pass = false; String email = request.getParameter("email"); String password = request.getParameter("password"); // response.setContentType("text/html"); // PrintWriter out = response.getWriter(); HttpSession session = request.getSession(); UserAccountBiz userBiz = new UserAccountBizImpl(); boolean t = userBiz.isPassUser(email, password); if(t){ System.out.println("t true"); } if(t==false){ System.out.println("t false"); } if (t) { pass = true; session.setAttribute("pass", pass); session.setAttribute("email", email); session.setAttribute("pwd", password); // response.sendRedirect("pLogin2.jsp"); // RequestDispatcher requestDispatcher = request // .getRequestDispatcher("pLogin2.jsp"); // requestDispatcher.forward(request, response); request.getRequestDispatcher("index.jsp") .forward(request, response); } else { pass = false; session.setAttribute("email", email); request.getRequestDispatcher("Login.jsp") .forward(request, response); // response.sendRedirect("pLogin2.jsp"); } // out // .println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">"); // out.println("<HTML>"); // out.println(" <HEAD><TITLE>A Servlet</TITLE></HEAD>"); // out.println(" <BODY>"); // out.print(" This is "); // out.print(this.getClass()); // out.println(", using the POST method"); // out.println(" </BODY>"); // out.println("</HTML>"); // out.flush(); // out.close(); } public void init() throws ServletException { // Put your code here }}
这是登陆页jsp
- Java code
<center> <div class="middleCt"> <form action="LoginPass" method="post"> <div class="middleLText"> <input name="email" type="text" style="color:teal;" onblur="if(!value){value=defaultValue};isEmail(this.value)" onfocus="if(this.value==defaultValue) {this.value='';this.type='text'}"value="Your E-mail here..." size="50" /> </div> <div class="middleRText"> <input name="password" type="password" style="color:teal;" onfocus="if(this.value==defaultValue) {this.value='';this.type='password'}" onblur="if(!value) {value=defaultValue; this.type='text';}" size="50" /> </div> <div class="middleButton"><input name="loginSubmit" type="submit" value="OK" /></div> </form> </div> </center> <c:if test="${pass==false}"> alert("你是输入的Email或者password有误！"); </c:if>