Struct2-使用随笔

1 <package name="action" extends="struts-default" namespace="user">
2     
3 </package>

1 <button class="btn btn-custom-primary btn-lg btn-block btn-auth"  onclick=‘login()‘></button>

 1 function login(){
 2      if($("#username").val().length==0){
 3        alert("用户名不能为空");
 4        return;
 5      }
 6      if($("#password").val().length==0){
 7         alert("密码不能为空");
 8         return;
 9      }
10      $.ajax({
11         type:‘post‘,
12         url:‘${pageContext.request.contextPath}/theme/login.action‘,
13         data:{
14            ‘username‘:$("#username").val(),
15            ‘password‘:$("#password").val(),
16         },
17         dataType:‘json‘,
18         success:function(returnData){
19            if(returnData.success==true){
20              window.location.replace("${pageContext.request.contextPath}/theme/main.jsp");
21            } else {
22                 alert("用户名或密码错误");
23            }
24         },
25         error:function(e) {
26              alert("登录失败");
27         }
28      });
29   }

 1 <form class="form-horizontal" role="form" action="${pageContext.request.contextPath}/theme/login.action">
 2                 <h4 class="modal-title" id="myModalLabel">账号：</h4>
 3                     <div class="form-group">
 4                         <label for="username" class="control-label sr-only">Username</label>
 5                         <div class="col-sm-12">
 6                             <div class="input-group">
 7                                 <input type="text" name="username" id="username" class="form-control">
 8                                 <span class="input-group-addon"><i class="fa fa-user"></i></span>
 9                             </div>
10                         </div>
11                     </div>
12                     <h4 class="modal-title" id="myModalLabel">密码：</h4>
13                     <label for="password" class="control-label sr-only">Password</label>
14                     <div class="form-group">
15                         <div class="col-sm-12">
16                             <div class="input-group">
17                                 <input type="password" name="password" id="password" class="form-control">
18                                 <span class="input-group-addon"><i class="fa fa-lock"></i></span>
19                             </div>
20                         </div>
21                     </div>
22                         <div id="placeholder" style="width:10px;height:10px"></div>
23                     <button type="submit" class="btn btn-custom-primary btn-lg btn-block btn-auth"><i class="fa fa-arrow-circle-o-right"></i> Login</button>
24  </form>

 1 public class LoginAction extends BaseAction{
 2     public String username;
 3     public String password;
 4     
 5     public String doLogin(){
 6         User user = UserDao.getUser(username,password);
 7         if(user != null) {
 8             ActionContext.getContext().getSession().put(Constanst.USERNAME_OF_SESSION, username);
 9             ActionContext.getContext().getSession().put(Constanst.PASSWORD_OF_SESSION, password);
10             flag = true;
11         }  else {
12             msg = "用户名或密码错误";
13         }
14         String jsonStr = "{\"success\":" + flag + ", \"msg\":\"" + msg + "\"}";
15         try {
16             this.setInputStream(new ByteArrayInputStream(jsonStr.getBytes("utf-8")));
17         } catch (UnsupportedEncodingException e) {
18             e.printStackTrace();
19         }
20         return SUCCESS;
21     }
22     
23     public String getUsername() {
24         return username;
25     }
26 
27     public void setUsername(String username) {
28         this.username = username;
29     }
30 
31     public String getPassword() {
32         return password;
33     }
34 
35     public void setPassword(String password) {
36         this.password = password;
37     }
38 
39 }