图片上传+显示案例（续图片上传）

 

 

 

 

 

# -*- coding = utf-8 -*-
# @Time : 2022/4/19 10:41
# @Author : 舒奇
# @File : city.py
# @Software : PyCharm
from django.shortcuts import render, redirect
from app01 import models
from app01.utils.bootstrap import BootStrapModelForm


def city_list(request):
    queryset = models.City.objects.all()
    return render(request, 'city_list.html', {'queryset': queryset})


class UpModelForm(BootStrapModelForm):
    bootstrap_exclude_fields = ['img']

    class Meta:
        model = models.City
        fields = "__all__"


def city_add(request):
    title = "新建城市"

    if request.method == "GET":
        form = UpModelForm()
        return render(request, 'upload_form.html', {"form": form, 'title': title})

    form = UpModelForm(data=request.POST, files=request.FILES)
    if form.is_valid():
        # 对于文件：自动保存；
        # 字段 + 上传路径写入到数据库
        form.save()
        return redirect("/city/list")
    return render(request, 'upload_form.html', {"form": form, 'title': title})

 

 

class City(models.Model):
    """ 城市 """
    name = models.CharField(verbose_name="名称", max_length=32)
    count = models.IntegerField(verbose_name="人口")

    # 本质上数据库也是CharField，自动保存数据,city目录下。
    img = models.FileField(verbose_name="Logo", max_length=128, upload_to='city/')

city_list.html
{% extends 'layout.html' %}

{% block content %}
    <div class="container">

        <div style="margin-bottom: 10px">
            <a class="btn btn-success" href="/city/add">
                <span class="glyphicon glyphicon-plus-sign" aria-hidden="true"></span>
                新建城市
            </a>
        </div>
        <div class="panel panel-default">
            <!-- Default panel contents -->
            <div class="panel-heading">
                <span class="glyphicon glyphicon-th-list" aria-hidden="true"></span>
                城市列表
            </div>

            <!-- Table -->
            <table class="table table-bordered">
                <thead>
                <tr>
                    <th>ID</th>
                    <th>Logo</th>
                    <th>名称</th>
                    <th>人口</th>
                </tr>
                </thead>
                <tbody>
                {% for obj in queryset %}
                    <tr>
                        <th>{{ obj.id }}</th>
                        <td>
                            <img src="/media/{{ obj.img }}" style="height: 80px;">
                        </td>
                        <td>{{ obj.name }}</td>
                        <td>{{ obj.count }}</td>
                    </tr>
                {% endfor %}
                </tbody>
            </table>
        </div>
    </div>
{% endblock %}

{% extends 'layout.html' %}


{% block content %}

    <div class="container">
        <div class="panel panel-default">
            <div class="panel-heading">
                <h3 class="panel-title"> {{ title }} </h3>
            </div>
            <div class="panel-body">
                <form method="post" enctype="multipart/form-data" novalidate>
                    {% csrf_token %}

                    {% for field in form %}
                        <div class="form-group">
                            <label>{{ field.label }}</label>
                            {{ field }}
                            <span style="color: red;">{{ field.errors.0 }}</span>
                        </div>
                    {% endfor %}

                    <button type="submit" class="btn btn-primary">提 交</button>
                </form>
            </div>
        </div>
    </div>

{% endblock %}