Login before and after navigation bar processing 2015-12-12

Note: Add gray background, about the value of Ajax , and JS judgment

1 post-Login controller processing: Determine whether to log in and transmit user information

classIndexcontrollerextendsHomebasecontroller {//Login Publicfunctionindex () {$id=i ("Get.id"); $users _model=m ("Users"); $user=$users _model->where (Array("id" =$id)),find (); if(Empty($user)){            $this->error ("Look no man!") "); }        $this->assign ($user); $this->display (": Index"); }    functionIs_login () {if(Sp_is_user_login ()) { $this,AjaxReturn (array("status" =>1, "user" = Sp_get_current_user ())); }Else{            $this-AjaxReturn (Array("Status" =>0, "info" = "This user is not logged in!") ")); }    }
。。。。。。 

2 Landing and not logged-in display of the home navigation bar before and after landing

<DivID= "Main-menu-user">
   
 <Divclass= ' Useroutuser '><ulclass= "Nav navbar-nav navbar-right"><Li><ahref= "{: U (' User/register/index ')}"Data-toggle= "Dropdown">Registered
  a>
   Li>
    ul><ulclass= "Nav navbar-nav navbar-right"><Li><ahref= "{: U (' User/login/index ')}"Data-toggle= "Dropdown">Landing
     a>
      Li>
       ul><ulclass= "Nav navbar-nav navbar-right"style= "margin-top:10px"><Li><imgsrc= "__tmpl__/public/img/headicon.png"class= "Headicon"/>
        Li>
         ul>
          Div>
             <Divclass= "Userlogin user"><ulclass= "Nav navbar-nav navbar-right"><Li><ahref= "{: U (' user/index/logout ')}"Data-toggle= "Dropdown">Exit
           a>
            Li>
             ul><ulclass= "Nav navbar-nav navbar-right"><Li><ahref= "{: U (' User/center/index ')}"Data-toggle= "Dropdown"class= "User-nicename"> 
                a >  
                 li> 
                  ul><ul  class  = "nav navbar-nav navbar-right"  style= "margin-top:10px">  <Li  ><img  src= ""  Class  = "Headicon"/> 
                   li> 
                    ul >  
                     div> 
                      div>       

3 after landing, JS to the box operation

The above describes the landing before and after the navigation bar processing 2015-12-12, including the content of Ajax, I hope that the PHP tutorial interested in a friend helpful.

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