登陆前后导航栏处理 2015-12-12

注意：添加灰色背景处，关于ajax传值，和js的判断

1 登陆后控制器处理：判断是否登陆并传递用户信息

<span>class</span> IndexController <span>extends</span><span> HomeBaseController {    </span><span>//</span><span>登录</span><span>public</span><span>function</span><span> index() {        </span><span>$id</span>=I("get.id"<span>);              </span><span>$users_model</span>=M("Users"<span>);                </span><span>$user</span>=<span>$users_model</span>->where(<span>array</span>("id"=><span>$id</span>))-><span>find();              </span><span>if</span>(<span>empty</span>(<span>$user</span><span>)){            </span><span>$this</span>->error("查无此人！"<span>);        }        </span><span>$this</span>->assign(<span>$user</span><span>);        </span><span>$this</span>->display(":index"<span>);    }    </span><span>function</span><span> is_login(){        </span><span>if</span><span>(sp_is_user_login()){            </span><span><span>$this</span>-><strong>ajax</strong>Return(<span>array</span>("status"=>1,"user"=></span><span><span>sp_get_current_user()));</span>        }</span><span>else</span><span>{            </span><span>$this</span>-><strong>ajax</strong>Return(<span>array</span>("status"=>0,"info"=>"此用户未登录！"<span>));        }    }<br />。。。。。。</span>

2 登陆前后主页导航栏的 登陆和未登录 的显示

<span><</span><span>div </span><span>id</span><span>="main-menu-user"</span><span>></span><span><!---ecms -ecms </span><span>还未登陆</span><span>--></span><span><</span><span>div  </span><span>class</span><span>='userout </span><span>user' </span><span>></span><span><</span><span>ul </span><span>class</span><span>="nav navbar-nav  navbar-right"</span><span>></span><span><</span><span>li</span><span>></span><span><</span><span>a </span><span>href</span><span>="{:u('user/register/index')}"</span><span> data-toggle</span><span>="dropdown"</span><span>></span>注册<span></</span><span>a</span><span>></span><span></</span><span>li</span><span>></span><span></</span><span>ul</span><span>></span><span><</span><span>ul </span><span>class</span><span>="nav navbar-nav  navbar-right"</span><span>></span><span><</span><span>li</span><span>></span><span><</span><span>a </span><span>href</span><span>="{:u('user/login/index')}"</span><span>  data-toggle</span><span>="dropdown"</span><span>></span>登陆<span></</span><span>a</span><span>></span><span></</span><span>li</span><span>></span><span></</span><span>ul</span><span>></span><span><</span><span>ul </span><span>class</span><span>="nav navbar-nav  navbar-right"</span><span> style</span><span>="margin-top:10px"</span><span>></span><span><</span><span>li </span><span>></span><span><</span><span>img </span><span>src</span><span>="__TMPL__/Public/img/headicon.png"</span><span> class</span><span>="headicon"</span><span>/></span><span></</span><span>li</span><span>></span><span></</span><span>ul</span><span>></span><span></</span><span>div</span><span>></span><span><!---ecms -ecms </span><span>已经登陆</span><span>--></span><span><</span><span>div </span><span>class</span><span>="userlogin user"</span><span>></span><span><</span><span>ul </span><span>class</span><span>="nav navbar-nav  navbar-right"</span><span>></span><span><</span><span>li</span><span>></span><span><</span><span>a </span><span>href</span><span>="{:u('user/index/logout')}"</span><span> data-toggle</span><span>="dropdown"</span><span>></span>退出<span></</span><span>a</span><span>></span><span></</span><span>li</span><span>></span><span></</span><span>ul</span><span>></span><span><</span><span>ul </span><span>class</span><span>="nav navbar-nav  navbar-right"</span><span>></span><span><</span><span>li</span><span>></span><span><</span><span>a </span><span>href</span><span>="{:u('user/center/index')}"</span><span>  data-toggle</span><span>="dropdown"</span><span> class</span><span>="user-nicename"</span><span>></</span><span>a</span><span>></span><span></</span><span>li</span><span>></span><span></</span><span>ul</span><span>></span><span><</span><span>ul </span><span>class</span><span>="nav navbar-nav  navbar-right"</span><span> style</span><span>="margin-top:10px"</span><span>></span><span><</span><span>li </span><span>></span><span><</span><span>img </span><span>src</span><span>=""</span><span> class</span><span>="headicon"</span><span>/></span><span></</span><span>li</span><span>></span><span></</span><span>ul</span><span>></span><span></</span><span>div</span><span>></span><span></</span><span>div</span><span>></span>

3 登陆后，js对box的操作

<script><br /><span> $(</span><span>function</span><span> () {</span><span>/*</span><span>控制导航栏显示登陆还是个人中心</span><span>*/</span><span>  $.post(</span>"{:U('user/index/is_login')}",{},<span>function</span><span>(data){      </span><span>if</span>(data.status==1<span>){          </span><span>if</span><span>(data.user.avatar){<span>              $(</span></span><span>"#main-menu-user ul li .headicong").attr("src",da<b style="color:transparent">本文来源gao@!dai!ma.com搞$$代^@码!网!</b><strong>搞gaodaima代码</strong>ta.user.avatar.indexOf("http")==0?data.user.avatar:"__UPLOAD__avatar/"+<span>data.user.avatar);            }      $(</span>"#main-menu-user ul li .user-nicename").text(data.user.user_nicename!=""?</span><span><span>data.user.user_nicename:data.user.user_login);</span>      $(</span>"#main-menu-user .userlogin"<span>).show();      $(</span>"#main-menu-user .userout"<span>).hide();                     }      </span><span>if</span>(data.status==0<span>){         $(</span>"#main-menu-user .userout"<span>).show();         $(</span>"#main-menu-user .userlogin"<span>).hide();      }});  });</span></script>

以上就介绍了登陆前后导航栏处理 2015-12-12，包括了ajax方面的内容，希望对PHP教程有兴趣的朋友有所帮助。

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