博客主页面之导航栏

前端代码

前端代码使用的是bootstrap框架.
技术点:
判断用户是否登录,登录和没有登录展示给用户的用户的页面是不一样的,这里用到了模板语言的if判断.

 {% if request.user.username %}
如果request的user的username不是空的话就展示注销等
否则展示登录或者注册,具体仔细看下面的代码
<nav class="navbar navbar-inverse">
    <div class="container-fluid">
        
        <div class="navbar-header">
            <button type="button" class="navbar-toggle collapsed" data-toggle="collapse"
                    data-target="#bs-example-navbar-collapse-1" aria-expanded="false">
                <span class="sr-only">Toggle navigationspan>
                <span class="icon-bar">span>
                <span class="icon-bar">span>
                <span class="icon-bar">span>
            button>
            <a class="navbar-brand" href="#">SpecYueBloga>
        div>

        
        <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
            <ul class="nav navbar-nav ">
                <li class="active"><a href="#">Link <span class="sr-only">(current)span>a>li>
                <li><a href="#">Linka>li>
            ul>
            <form class="navbar-form navbar-left">
                <div class="form-group">
                    <input type="text" class="form-control" placeholder="Search">
                div>
                <button type="submit" class="btn btn-default">Submitbutton>
            form>
            <ul class="nav navbar-nav navbar-right">
                {% if request.user.username %}
                    <li><a href="#">{{ request.user.username }}a>li>
                    <li class="dropdown">
                        <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true"
                           aria-expanded="false">个人中心 <span class="caret">span>a>
                        <ul class="dropdown-menu">
                            <li><a href="#">Actiona>li>
                            <li><a href="#">Another actiona>li>
                            <li><a href="#">Something else herea>li>
                            <li role="separator" class="divider">li>
                            <li><a href="/logout/">注销a>li>
                        ul>
                    li>
                {% else %}
                    <li><a href="/login/">登录a>li>
                    <li><a href="/reg/">注册a>li>

                {% endif %}


            ul>
        div>
    div>
nav>

后端

后端没什么好配合的,只要写一个视图接受request,再把request用render函数传递到前端就好

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