問什么我的提交不管用
111456
慕神3154859
2018-02-21
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111456
2018-02-21
舉報
2018-02-22
?<body>???? //這是登陸頁面，我的提交地址是dologin1.jsp
???? <div id="container">
?????? <div class="logo">
???????? <a href=""> <img src="assets/logo.png" alt="圖片無顯示"/></a>
?????? </div>
??????
?????? <div id="box">
???????? <form action="dologin1.jsp" method="post">
??????????? <p class="main">
?????????????? <label>用戶名：</label>
?????????????? <input name="username" value=""/>
?????????????? <label>密碼：</label>
?????????????? <input type="password" name="password" value=""/>
??????????? </p>
???????????
??????????? <p class="space">
??????????????? <input type="submit" value="登錄" class="login" />
??????????? </p>
????????
???????? </form>
??????
?????? </div>
????
???? </div>
? </body>
// 這是業(yè)務(wù)邏輯頁面，用于處理提交過來的表單。
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
String username ="";
String password ="";
request.setCharacterEncoding("utf-8"); //防止中文亂碼。
username = request.getParameter("username");? //獲取用戶名
password = request.getParameter("password");?? //獲取密碼
if("admin".equals(username) && "admin".equals(password)){
?
?session.setAttribute("loginUser", username);
?request.getRequestDispatcher("login1_success.jsp").forward(request, response);
}
else{
?
?response.sendRedirect("login1_failure.jsp");
}
%>
// 這是登錄成功頁面
?<body>
????? <div id="container">
???????? <div class="logo">
?????????? <a href=""> <img alt="圖片無顯示" src="assets/logo.png"/></a>
???????? </div>
????????
???????? <div id="box">
?????????? <%
????????????? String loginUser="";
????????????? //對session會話中保存的用戶名進(jìn)行是否為空判斷。
????????????? if(session.getAttribute("loginUser") != null){
??????????? ??
??????????? ?? loginUser = session.getAttribute("loginUser").toString();
????????????? }
?????????? %>
?????????????????????????? 歡迎您<font color="red"><%=loginUser %></font>，登錄成功！
???????? </div>
?????
????? </div>
? </body>
// 這是登陸失敗頁面，并可以返回到登錄界面
?<body>
????? <div id="container">
???????? <div class="logo">
?????????? <a href=""> <img alt="圖片無顯示" src="assets/logo.png"></a>
???????? </div>
????????
???????? <div id="box">
????????????????????????? 登錄失敗！請檢查用戶名或密碼！<br>
?????????? <a href="login1.jsp">返回登錄頁面</a>
???????? </div>
?????
????? </div>
? </body>
2018-02-22