開發(fā)登錄模塊

用戶登陸功能一、目錄21.效果預(yù)覽圖2.功能處理流程圖3.實(shí)現(xiàn)步驟4.功能驗(yàn)證測試3二、效果預(yù)覽圖4UserControllerlogin()UserService調(diào)用getUserByName()User是否為null提示登錄用戶名不對，返回index.html提示登錄密碼用戶名不對，返回index.htmlPassword是否匹配main.jsp是否否是三、功能處理流程圖5在cn/edu/sict/cloud/storage/web/UserController.java添加如下代碼@RequestMapping("/login")@ResponseBodypublicObjectlogin(HttpServletRequestrequest,HttpServletResponseresponse,Stringusername,Stringpassword){Useruser=userService.getUserByname(username);if(user==null){return

newMessageBean(false,Constants.ERROR_1);}MD5md5=newMD5();Stringinputstr=md5.getMD5ofStr(password);if(!inputstr.equals(user.getPassword())){return

newMessageBean(false,Constants.ERROR_2);}setSessionUser(request,user);return

newMessageBean(true,Constants.SUCCESS_1);}四、步驟實(shí)現(xiàn)6在/WebRoot/WEB-INF文件夾下創(chuàng)建index.jsp<divclass="head-top"></div><divclass="bg-img"></div><divid="content-container"class="container"style="margin-top:100px;"><divclass="rowrow-6"><divclass="col-md-4col-md-offset-4"><divclass="panelpanel-defaultpanel"style="background-color:rgba(255,255,255,0.9);"><divclass="panel-heading"><h2style="font-size:22px">登錄云網(wǎng)盤</h2></div><divid="login-form"class="form-vertical"method="post"novalidate="novalidate"data-widget-cid="widget-0"style="padding:24px;"><divclass="form-group"><labelclass="control-label"for="username">帳號(hào)</label><divclass="controls"><inputclass="form-control"id="username"type="text"name="_username"value=""required=""data-widget-cid="widget-1"data-explain="請輸入用戶昵稱"><divclass="help-block">請輸入用戶昵稱</div></div></div><divclass="form-group"><labelclass="control-label"for="password">密碼</label><divclass="controls">四、步驟實(shí)現(xiàn)7在/WebRoot/WEB-INF文件夾下創(chuàng)建index.jsp<inputclass="form-control"id="password"type="password"name="_password"required=""data-widget-cid="widget-2"data-explain=""><divclass="help-block"style="display:none;"></div></div></div><divclass="form-group"><divclass="controls"><buttonstyle="width:100%"id="_login"class="btnbtn-fatbtn-primarybtn-large"onclick="login();returnfalse;">登錄</button></div></div><divclass="form-group"><divclass="ptl">

<spanclass="text-muted">還沒有注冊帳號(hào)？</span><ahref="toregeister.action">立即注冊</a></div></div></div></div></div></div></div>四、步驟實(shí)現(xiàn)8在/WebRoot/WEB-INF文件夾下創(chuàng)建index.jsp<scriptsrc="assets/javascripts/jquery.min.js"></script><scripttype="text/javascript">functionkeyLogin(){if(event.keyCode==13)document.getElementById("_login").click();}functionlogin(){varusername=$("#username").val();varpassword=$("#password").val();vardata={username:username,password:password};$.ajax({url:"login.action",type:"post