@login_required(login_url='/login/')
def change_password(request):
    # 1 取出原密码---校验原密码是否正确
    old_password = request.POST.get('old_password')
    if request.user.check_password(old_password):
        new_password = request.POST.get('new_password')
        re_new_password = request.POST.get('re_new_password')
        # 2 取出新密码和确认新密码
        if new_password == re_new_password:
            request.user.set_password(new_password)
            request.user.save()  # 一定不要忘了
            return JsonResponse({'code': 100, 'msg': '修改成功'})
        else:
            return JsonResponse({'code': 101, 'msg': '两次密码不一致'})
    else:
        return JsonResponse({'code': 102, 'msg': '原密码错误'})

<div>
                <div class="modal fade" tabindex="-1" role="dialog" aria-labelledby="gridSystemModalLabel"
                     id="gridSystemModal">
                    <div class="modal-dialog" role="document">
                        <div class="modal-content">
                            <div class="modal-header">
                                <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span
                                        aria-hidden="true">×</span></button>
                                <h4 class="modal-title" id="gridSystemModalLabel">修改密码</h4>
                            </div>
                            <div class="modal-body">
                                <div class="alert alert-warning alert-dismissible fade in hidden" role="alert"
                                     id="alert_error">
                                    <button type="button" class="close" data-dismiss="alert" aria-label="Close"><span
                                            aria-hidden="true">×</span></button>
                                    <strong>密码修改成功</strong>
                                </div>
                                <form>
                                    {% csrf_token %}
                                    <div class="form-group">
                                        <label for="">原密码</label>
                                        <input type="password" name="old_password" class="form-control">
                                    </div>
                                    <div class="form-group">
                                        <label for="">新密码</label>
                                        <input type="password" name="new_password" class="form-control">
                                    </div>
                                    <div class="form-group">
                                        <label for="">确认新密码</label>
                                        <input type="password" name="re_new_password" class="form-control">
                                    </div>
                                </form>
                            </div>
                            <div class="modal-footer">
                                <button type="button" class="btn btn-default" data-dismiss="modal">取消</button>
                                <button type="button" class="btn btn-primary" id="id_submit">确定</button>
                            </div>
                        </div><!-- /.modal-content -->
                    </div><!-- /.modal-dialog -->
                </div><!-- /.modal -->


            </div>

 $('#id_submit').click(function () {
        // 让按钮不可点击
        //$(this).addClass('disabled')
        // jquery 都是给标签修改属性--attr-自定义属性和prop->自有属性的区别
        $(this).prop('disabled', true)
        $.ajax({
            url: '/change_password/',
            method: 'post',
            data: {
                old_password: $('[name="old_password"]').val(),
                new_password: $('[name="new_password"]').val(),
                re_new_password: $('[name="re_new_password"]').val(),
                csrfmiddlewaretoken: $('[name="csrfmiddlewaretoken"]').val()

            },
            success: function (data) {
                console.log(data)
                // 显示错误信息，并显示
                $('#alert_error').removeClass('hidden').children('strong').html(data.msg)
                // 让按钮可以点击
                $('#id_submit').prop('disabled', false)
                if (data.code == 100) {
                    $('#alert_error').addClass('hidden')
                    // 模态框消失
                    $('#gridSystemModal').modal('hide')
                    // 跳到登录，重新登录
                    location.href = '/login/'
                } else {
                    // 3s 后，错误提示消失
                    setTimeout(function () {
                        $('#alert_error').addClass('hidden')
                    }, 3000)
                }

            }
        })
    })

def index(request):
    # 取出所有文章--》没有加分页
    article_list = Article.objects.all().order_by('create_time')
    # 推荐文章--》按阅读数高的排-->取5条
    # article_hot = Article.objects.all().order_by('点赞数')

    # 去 banner表中取出头三张轮播图图片---》把对象---》转成--》列表套字典形式
    '''
    [{url:/media/banner/1.png,msg:广告,to:'/article/1.html/'},{url:/media/banner/1.png,msg:广告,to:'/article/1.html/'}]
    '''
    banner_list = [
        {'url': '/media/banner/1.png', 'msg': '我们有篇好文章欢迎你观看', 'to': '/article/1.html/'},
        {'url': '/media/banner/2.png', 'msg': '快来注册把', 'to': '/register/'}, ]

    return render(request, 'index.html', {'article_list': article_list, 'banner_list': banner_list})

 <div id="carousel-example-generic" class="carousel slide" data-ride="carousel">
                <ol class="carousel-indicators">
                    <li data-target="#carousel-example-generic" data-slide-to="0" class="active"></li>
                    <li data-target="#carousel-example-generic" data-slide-to="1"></li>
                </ol>
                <div class="carousel-inner" role="listbox">
                    {% for banner in banner_list %}

                        {% if forloop.first %}
                            <div class="item active">
                        {% else %}
                            <div class="item">
                        {% endif %}
                    <a href="{{ banner.to }}">
                        <img src="{{ banner.url }}" alt="..." class="img">
                        <div class="carousel-caption">
                            {{ banner.msg }}
                        </div>
                    </a>
                    </div>

                    {% endfor %}
                    <!-- Controls -->
                    <a class="left carousel-control" href="#carousel-example-generic" role="button"
                       data-slide="prev">
                        <span class="glyphicon glyphicon-chevron-left" aria-hidden="true"></span>
                        <span class="sr-only">Previous</span>
                    </a>
                    <a class="right carousel-control" href="#carousel-example-generic" role="button"
                       data-slide="next">
                        <span class="glyphicon glyphicon-chevron-right" aria-hidden="true"></span>
                        <span class="sr-only">Next</span>
                    </a>
                    </div>

                </div>

def get_banner(request):
    banner_list = [
        {'url': '/media/banner/3.png', 'msg': '看yy', 'to': '/login/'},
        {'url': '/media/banner/3.png', 'msg': '看xx', 'to': 'http://www.baidu.com'}, ]
    return JsonResponse({'code': 100, 'results': banner_list})

 js 渲染轮播图---》之前用render渲染轮播图---》当页面加载成功---》发送ajax--》获取图片---》使用js写在页面上
    $(function () {
        // 发送ajax请求
        $.ajax({
            url: '/get_banner/',
            method: 'get',
            success: function (data) {
                console.log(data)

                // js 写到页面上
                $('.img').each(function (i, v) {
                    console.log(i)
                    console.log(v)
                    // v 是原生dom对象，不是jq的对象，使用$(v) 转成jq对象，支持链式调用
                    $(v).attr('src', data.results[i].url).parent().attr('href', data.results[i].to).children('div').html(data.results[i].msg)

                })

            }
        })
    })

# 设计  路由 
# 路由
# 个人站点路由放最后---》上面所有都匹配完了--->再看是不是个人站点
path('<str:username>', views.site),
# re_path('(?P<username>\w+)', views.site),


# 视图函数
def site(request, username):
    # 个人站点不存在---》根据用户名查不到用户，就是404
    user = UserInfo.objects.filter(username=username).first()
    if user:
        # 查出当前用户，所有的文章
        article_list = Article.objects.filter(blog_id=user.blog.id).all()
        # article_list=Article.objects.filter(blog=user.blog).all()
        return render(request, 'site.html', locals())
    else:
        return render(request, '404.html')

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="/static/js/jquery.min.js"></script>
    <link rel="stylesheet" href="/static/bootstrap/css/bootstrap.min.css">
    <script src="/static/bootstrap/js/bootstrap.min.js"></script>
    {% block header %}

    {% endblock %}

</head>
<body>
<nav class="navbar navbar-default">
    <div class="container-fluid">
        <!-- Brand and toggle get grouped for better mobile display -->
        <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 navigation</span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
            </button>
            <a class="navbar-brand" href="/">博客园</a>
        </div>

        <!-- Collect the nav links, forms, and other content for toggling -->
        <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
            <ul class="nav navbar-nav">
                <li class="active"><a href="#">文章 <span class="sr-only">(current)</span></a></li>
                <li><a href="#">新闻</a></li>
            </ul>
            {% if  request.user.is_authenticated %}
                <ul class="nav navbar-nav navbar-right">
                    <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">更多操作 <span class="caret"></span></a>
                        <ul class="dropdown-menu">
                            <li><a href="#">后台管理</a></li>
                            <li><a href="#"><span data-target="#gridSystemModal" data-toggle="modal">修改密码</span></a>
                            </li>
                            <li><a href="#">修改头像</a></li>
                            <li role="separator" class="divider"></li>
                            <li><a href="/logout/">退出</a></li>
                        </ul>
                    </li>
                </ul>
            {% else %}
                <ul class="nav navbar-nav navbar-right">
                    <li><a href="/login/">登录</a></li>
                    <li><a href="/register/">注册</a></li>

                </ul>
            {% endif %}


        </div><!-- /.navbar-collapse -->
    </div><!-- /.container-fluid -->
</nav>
<div class="container-fluid">
    <div class="row">
        <div class="col-md-2">
            {% block left %}

            {% endblock %}
        </div>
        <div class="col-md-9">
            {% block content %}
            
            {% endblock %}
            
            
        </div>
    </div>
</div>


</body>
</html>

{% extends 'base.html' %}
{% block header %}
    <link rel="stylesheet" href="/static/font-awesome/css/font-awesome.min.css">
{% endblock %}

{% block left %}
    <div class="panel panel-primary">
        <div class="panel-heading"><h3 class="panel-title">标签</h3></div>
        <div class="panel-body">

        </div>
    </div>
    <div class="panel panel-info">
        <div class="panel-heading"><h3 class="panel-title">分类</h3></div>
        <div class="panel-body">


        </div>
    </div>
    <div class="panel panel-danger">
        <div class="panel-heading"><h3 class="panel-title">时间</h3></div>
        <div class="panel-body"> Panel content</div>
    </div>
{% endblock %}


{% block content %}
    {% for article in article_list %}
        <div class="media">
            <h3 class="media-heading"><a href="">{{ article.title }}</a></h3>
            <div class="clearfix">
                <div class="media-left pull-right">

                    <a href="#">
                        <img alt="64x64" class="media-object" style="width: 64px; height: 64px;"
                             src="/media/{{ article.blog.userinfo.avatar }}">
                    </a>
                </div>
                <div class="media-body">
                    {{ article.desc }}
                </div>
            </div>
            <div class="bottom-article pull-right" style="margin-top: 8px">
                <span>posted @</span>
                <span>{{ article.create_time|date:'Y-m-d H:i:s' }}</span>
                <span class="glyphicon glyphicon-thumbs-up">{{ article.up_number }}</span>
                <span><i class="fa fa-address-card-o"
                         style="margin-right: 10px"></i><span>{{ article.commit_number }}</span></span>
                <span><a href="">编辑</a></span>
            </div>
        </div>
        <hr>
    {% endfor %}

{% endblock %}

id   title                         create_time                 create_date
1	快速认识什么是：		   2023-12-08 11:22:35.329031	   2023-12
2	c高并发必备技巧（三）	 	  2023-12-08 11:22:59.018692	  2023-12
3	虚拟机运行Hadoop  	      2023-12-08 11:23:19.949809	   2023-12
5	基于DotNetty实现自动发布	2023-12-11 12:30:00.119046	    2023-12


4	【UniApp】-uni-app概述	    2023-12-08 11:23:43.763246	    2023-11

def site(request, username):
    # 个人站点不存在---》根据用户名查不到用户，就是404
    user = UserInfo.objects.filter(username=username).first()
    if user:
        # 查出当前用户（不是当前登录用户），所有的文章
        article_list = Article.objects.filter(blog_id=user.blog.id).all()
        # article_list=Article.objects.filter(blog=user.blog).all()
        # 分类：比较复杂的查询---》查询当前传入名字的用户 ---》所有的分类---》及分类下文章数---》分组
        # Category.objects.all().filter(blog=user.blog) # 当前用户所有分类查出来了
        # 我们的目标是查询 当前用户 所有文章，按分类分组--》数每个分组下的文章数
        '''
        -annotate：
    	filter在annotate前：表示过滤，where条件
        values在annotate前：表示分组的字段，如果不写表示按整个表分组
        filter在annotate后：表示 having条件
        values在annotate后：表示取字段---》只能取分组字段和聚合函数字段
        
        '''
        res_category = Article.objects.filter(blog=user.blog).values('category_id').annotate(
            article_count=Count('id')).values(
            'category__id', 'category__name', 'article_count')
        print(res_category)
        res_tag = Article.objects.filter(blog=user.blog).values('tag__id').annotate(article_count=Count('id')).values(
            'tag__id', 'tag__name', 'article_count')
        print(res_tag)

        # 按时间分组--
        # 查询当前站点下某年某月的文章数（分组依据，日期：年月），不需要连表
        #         from django.db.models.functions import TruncMonth, TruncDay, TruncYear, TruncHour
        #         Sales.objects
        #         .annotate(month=TruncMonth('timestamp'))  # Truncate to month and add to select list
        #         .values('month')  # Group By month
        #         .annotate(c=Count('id'))  # Select the count of the grouping
        #         .values('month', 'c')  # (might be redundant, haven't tested) select month and count
        #         '''
        res_date = Article.objects.filter(blog=user.blog).annotate(create_date=TruncMonth('create_time')).values(
            'create_date').annotate(aritcle_count=Count('id')).values('create_date', 'aritcle_count')
        print(res_date)

        return render(request, 'site.html', locals())
    else:
        return render(request, '404.html')

{% block left %}
    <div class="panel panel-primary">
        <div class="panel-heading"><h3 class="panel-title">我的标签</h3></div>
        <div class="panel-body">
            {% for tag in res_tag %}
                <p><a href="">{{ tag.tag__name }}({{ tag.article_count }})</a></p>
                {% if not forloop.last %}

                    <hr>
                {% endif %}

            {% endfor %}


        </div>
    </div>
    <div class="panel panel-info">
        <div class="panel-heading"><h3 class="panel-title">随笔分类</h3></div>
        <div class="panel-body">

            {% for category in res_category %}
                <p><a href="">{{ category.category__name }}({{ category.article_count }})</a></p>
                {% if not forloop.last %}

                    <hr>
                {% endif %}

            {% endfor %}


        </div>
    </div>
    <div class="panel panel-danger">
        <div class="panel-heading"><h3 class="panel-title">随笔档案</h3></div>
        <div class="panel-body">
            {% for item in res_date %}
                <p><a href="">{{ item.create_date|date:'Y年m月' }}({{ item.aritcle_count }})</a></p>
                {% if not forloop.last %}

                    <hr>
                {% endif %}

            {% endfor %}</div>
    </div>
{% endblock %}