项目结构
00x0设置首页(web.xml)
<welcome-file-list> <welcome-file>login.jsp</welcome-file> </welcome-file-list>
00x1 首页表单
<form action="do_login.jsp" method="post"> <div><p>账号:</p><input type="text" id="account" name="account"></div> <div><p>密码</p><input type="text" id="pwd" name="pwd"></div> <div><input type="submit"></div> </form>
00x2 逻辑处理页(do_login.jsp)
<% String username = request.getParameter("account"); String pwd = request.getParameter("pwd"); if(username.equals("admin") && pwd.equals("123")){ session.setAttribute("username",username); response.sendRedirect(request.getContextPath()+"/success.jsp"); }else{ session.setAttribute("username",username); response.sendRedirect(request.getContextPath()+"/failure.jsp"); } %>
00x3 登录成功页于失败同理
<h1>登录成功,<%=session.getAttribute("username") %></h1>
结果展示
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最后编辑:2019-9-10 13:09:05