django-评论

视图函数views.py

# 订单评论
class OrderCommentView(View):
    def get(self, request, order_id):
        # 获取用户信息
        user = request.user
        # 获取用户所有订单的信息
        try:
            order = OrderInfo.objects.get(user=user, order_id=order_id)
        except Exception as e:
            return redirect(reverse("user:order"))
        # 获取订单中的商品信息
        order_skus = OrderGoods.objects.filter(order_id=order.order_id)
        # 遍历订单中的商品信息
        for order_sku in order_skus:
            # 计算小计
            amount = order_sku.price * order_sku.count
            # 动态给order_skus增加小计amount 保存订单小计
            order_sku.amount = amount

        # 动态给order添加商品信息
        order.order_skus = order_skus
        # 动态给order添加支付信息
        order.status_name = OrderInfo.ORDER_STATUS[order.order_status]
        return render(request, 'order_comment.html', {'order':order})

    def post(self, request, order_id):
        """处理评论内容"""
        user = request.user
        # 校验数据
        if not order_id:
            return redirect(reverse('user:order'))

        try:
            order = OrderInfo.objects.get(order_id=order_id, user=user)
        except OrderInfo.DoesNotExist:
            return redirect(reverse("user:order"))

        # 获取评论条数
        total_count = request.POST.get("total_count")
        total_count = int(total_count)

        # 循环获取订单中商品的评论内容
        for i in range(1, total_count + 1):
            # 获取评论的商品的id
            sku_id = request.POST.get("sku_%d" % i) # sku_1 sku_2
            # 获取评论的商品的内容
            content = request.POST.get('content_%d' % i, '') # cotent_1 content_2 content_3
            try:
                order_goods = OrderGoods.objects.get(order=order, sku_id=sku_id)
            except OrderGoods.DoesNotExist:
                continue

            order_goods.comment = content
            order_goods.save()

        order.order_status = 5 # 已完成
        order.save()

        return redirect(reverse("user:order", kwargs={"page": 1}))

模板order_comment.html中

{% extends 'base_user_center.html' %}
{% load staticfiles %}
{% block title %}天天生鲜-用户中心{% endblock %}
{% block page_title %}用户中心{% endblock page_title %}
{% block right_content %}
        <div class="right_content clearfix">
            <h3 class="common_title2">订单评价</h3>
                <ul class="order_list_th w978 clearfix">
                    <li class="col01">{{order.create_time}}</li>
                    <li class="col02">订单号：{{order.order_id}}</li>
                    <li class="col02 stress">{{order.status_name}}</li>
                </ul>
            <form method="post">
                {% csrf_token %}
                {# 订单id #}
                <input type="hidden" name="order_id" value="{{order.order_id}}">
                {# 订单中有几个商品 #}
                <input type="hidden" name="total_count" value="{{order.order_skus|length}}">
                {% for order_sku in order.order_skus %}
                <table class="order_list_table w980">
                    <tbody>
                        <tr>
                            <td width="80%">
                                <ul class="order_goods_list clearfix">
                                    <li class="col01"><img src="{{ order_sku.sku.image.url }}"></li>
                                    <li class="col02">{{order_sku.sku.name}}<em>{{order_sku.price}}/{{order_sku.sku.unite}}</em></li>
                                    <li class="col03">{{order_sku.count}}</li>
                                </ul>
                            </td>
                            <td width="20%">{{order_sku.amount}}元</td>
                        </tr>
                    </tbody>
                </table>
                <div class="site_con">
                    <input type="hidden" name="sku_{{forloop.counter}}" value="{{order_sku.sku.id}}">
                    <div class="form_group form_group2">
                        <label>评价内容：</label>
                        <textarea class="site_area" name="content_{{forloop.counter}}"></textarea>
                    </div>
                </div>
                {% endfor %}
                <input type="submit" name="" value="提交" class="info_submit">
            </form>
        </div>
{% endblock right_content %}

详情页面detail.html中

{% extends 'layout/base_list_detail.html' %}
{% load staticfiles %}
{% block title %}天天生鲜-商品详情{% endblock title %}

{% block main_content %}
    <div class="breadcrumb">
        <a href="#">全部分类</a>
        <span>></span>
        <a href="#">{{ sku.type.name }}</a>
        <span>></span>
        <a href="#">商品详情</a>
    </div>

    <div class="goods_detail_con clearfix">
        <div class="goods_detail_pic fl"><img src="{{ sku.image.url }}"></div>

        <div class="goods_detail_list fr">
            <h3>{{ sku.name }}</h3>
            <p>{{ sku.desc }}</p>
            <div class="prize_bar">
                <span class="show_pirze">¥<em>{{ sku.price }}</em></span>
                <span class="show_unit">单  位：{{ sku.unite }}</span>
            </div>
            <div class="goods_num clearfix">
                <div class="num_name fl">数 量：</div>
                <div class="num_add fl">
                    <input type="text" class="num_show fl" value="1">
                    <a href="javascript:;" class="add fr">+</a>
                    <a href="javascript:;" class="minus fr">-</a>
                </div>
            </div>
            <div>
                <p>其他规格:</p>
                <ul>
                    {% for sku in same_spu_skus %}
                        <li><a href="{% url 'goods:detail' sku.id %}">{{ sku.name }}</a></li>
                    {% endfor %}
                </ul>
            </div>

            <div class="total">总价：<em>16.80元</em></div>
            <div class="operate_btn">
                {% csrf_token %}
                <a href="javascript:;" class="buy_btn">立即购买</a>
                <a href="javascript:;" sku_id="{{ sku.id }}" class="add_cart" id="add_cart">加入购物车</a>
            </div>
        </div>
    </div>

    <div class="main_wrap clearfix">
        <div class="l_wrap fl clearfix">
            <div class="new_goods">
                <h3>新品推荐</h3>
                <ul>
                    {% for sku in new_skus %}
                    <li>
                        <a href="{% url 'goods:detail' sku.id %}"><img src="{{ sku.image.url }}"></a>
                        <h4><a href="{% url 'goods:detail' sku.id %}">{{ sku.name }}</a></h4>
                        <div class="prize">￥{{ sku.price }}</div>
                    </li>
                    {% endfor %}
                </ul>
            </div>
        </div>

        <div class="r_wrap fr clearfix">
            <ul class="detail_tab clearfix">
                <li id="tag_detail" class="active">商品介绍</li>
                <li id="tag_comment">评论</li>
            </ul>

            <div class="tab_content" id="order_content">
                <dl>
                    <dt>商品详情：</dt>
                    <dd>{{ sku.goods.detail|safe }}</dd>
                </dl>
            </div>

            <div class="tab_content" id="order_comment" style="display: none">
                <dl>
                    {% for order in sku_orders %}
                    <dt>评论时间：{{ order.update_time }}&nbsp;&nbsp;用户名:{{ order.order.user.username }}</dt>
                    <dd>评论内容:{{ order.comment }}</dd>
                    {% endfor %}
                </dl>
            </div>
        </div>

    </div>
{% endblock main_content %}
{% block bottom %}
    <div class="add_jump"></div>
{% endblock bottom %}
{% block bottomfiles %}
    <script type="text/javascript" src="{% static 'js/jquery-1.12.4.min.js' %}"></script>
    <script type="text/javascript">

         $('#tag_detail').click(function () {
            $('#tag_comment').removeClass('active')
            $(this).addClass('active')
            $('#order_content').show()
            $('#order_comment').hide()
        })

        $('#tag_comment').click(function () {
            $('#tag_detail').removeClass('active')
            $(this).addClass('active')
            $('#order_content').hide()
            $('#order_comment').show()
        })
        update_goods_amount()
        // 计算商品的总价格
        function update_goods_amount() {
            // 获取商品的单价和数量
            price = $('.show_pirze').children('em').text()
            count = $('.num_show').val()
            // 计算商品的总价
            price = parseFloat(price)
            count = parseInt(count)
            amount = price*count
            // 设置商品的总价
            $('.total').children('em').text(amount.toFixed(2)+'元')
        }

        // 增加商品的数量
        $('.add').click(function () {
            // 获取商品原有的数目
            count = $('.num_show').val()
            // 加1
            count = parseInt(count)+1
            // 重新设置商品的数目
            $('.num_show').val(count)
            // 更新商品的总价
            update_goods_amount()
        })

        // 减少商品的数量
        $('.minus').click(function () {
            // 获取商品原有的数目
            count = $('.num_show').val()
            // 减1
            count = parseInt(count)-1
            if (count <= 0){
                count = 1
            }
            // 重新设置商品的数目
            $('.num_show').val(count)
            // 更新商品的总价
            update_goods_amount()
        })

        // 手动输入商品的数量
        $('.num_show').blur(function () {
            // 获取用户输入的数目
            count = $(this).val()
            // 校验count是否合法
            if (isNaN(count) || count.trim().length==0 || parseInt(count) <=0){
                count = 1
            }
            // 重新设置商品的数目
            $(this).val(parseInt(count))
            // 更新商品的总价
            update_goods_amount()
        })

        // 获取add_cart div元素左上角的坐标
        var $add_x = $('#add_cart').offset().top;
        var $add_y = $('#add_cart').offset().left;

        // 获取show_count div元素左上角的坐标
        var $to_x = $('#show_count').offset().top;
        var $to_y = $('#show_count').offset().left;

        $('#add_cart').click(function(){
            // 获取商品id和商品数量
            sku_id = $(this).attr('sku_id') // attr prop
            count = $('.num_show').val()
            csrf = $('input[name="csrfmiddlewaretoken"]').val()
            // 组织参数
            params = {'sku_id':sku_id, 'count':count, 'csrfmiddlewaretoken':csrf}
            // 发起ajax post请求，访问/cart/add, 传递参数:sku_id count
            $.post('/cart/add', params, function (data) {
                if (data.res == 5){
                    // 添加成功
                    $(".add_jump").css({'left':$add_y+80,'top':$add_x+10,'display':'block'})
                    $(".add_jump").stop().animate({
                        'left': $to_y+7,
                        'top': $to_x+7},
                        "fast", function() {
                            $(".add_jump").fadeOut('fast',function(){
                                // 重新设置用户购物车中商品的条目数
                                $('#show_count').html(data.total_count);
                            });
                    });
                }
                else{
                    // 添加失败
                    alert(data.errmsg)
                }
            })
        })
    </script>
{% endblock bottomfiles %}