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所以我使用註釋(而不是web.xml)。我的servlet看起來像這樣(很簡單,如果用戶鍵入FooUser和FooLast形式,它顯示Welcome.jsp中Servlet無法訪問WEB-INF中的.jsp文件
否則重定向到同一頁面的Login.jsp。
@WebServlet("/ServletLogin")
public class ServletLogin extends HttpServlet {
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
if(request.getParameter("Username").equals("FooUser") && request.getParameter("Lastname").equals("FooLast")) {
RequestDispatcher rd=request.getRequestDispatcher("/WEB-INF/Welcome.jsp");
rd.forward(request,response);
}
else {
RequestDispatcher rd=request.getRequestDispatcher("Login.jsp");
rd.forward(request,response);
}
}
}
而且我登錄。 JSP看起來像這樣
<!DOCTYPE html>
<html lang="en">
<body class="login">
<div>
<form action="ServletLogin" method="post">
<h1>Login Form</h1>
<div>
<input type="text" class="form-control" placeholder="Username"
name="Username" required="" />
</div>
<div>
<input type="password" class="form-control" placeholder="Password"
name="Password" required="" />
</div>
<div>
<input class="btn btn-info" type="submit" value="Log in" />
</div>
</form>
</div>
</div>
</div>
</body>
</html>