同步互斥与通信-CFANZ编程社区

前端展示

{% extends "index/index.html" %}



{% block content %}
    <div class="container">
        <input type="button" id="btnAdd" value="上传荣耀" class="btn btn-success">
    </div>
    <div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel">
        <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">&times;</span></button>
                    <h4 class="modal-title" id="myModalLabel">上传荣誉</h4>
                </div>
                <div class="modal-body">
                    <form method="post" enctype="multipart/form-data">
                        {% csrf_token %}
                        {% for field in form %}
                            {{ field }}
                        {% endfor %}

                        <div class="modal-footer">
                            <button type="button" class="btn btn-warning" data-dismiss="modal">关闭</button>
                            <button type="submit" class="btn btn-success">上传</button>
                        </div>
                    </form>
                </div>

            </div>
        </div>
    </div>

    <div class="container">
        <div class="col-xs-12" style="padding-top: 20px">
            {% for data in queryset %}
                <div class="col-xs-4">
                    <h3>{{ data.title }}</h3>
                    <a href="/{{ data.img }}/"><img src="/{{ data.img }}/" width="350px" height="200px"></a>
                </div>
            {% endfor %}
        </div>
    </div>
{% endblock %}

{% block js %}
    <script>
    $(function () {
        bindBtnAdd();
    })
    function bindBtnAdd() {
        $("#btnAdd").click(function (){
            $("#myModal").modal("show")
        })
    }
    </script>
{% endblock %}

路由:

from django.views.static import serve
from django.urls import path, re_path
re_path(r"^media/(?P<path>.*)$", serve, {"document_root": settings.MEDIA_ROOT})

数据库字段:

函数视图:

image.py

# -*- coding:utf-8 -*-
from django.shortcuts import render, redirect, HttpResponse
from demo_one import models
from datetime import datetime
from django import forms
import os


class ImageForm(forms.Form):
    title = forms.CharField(label="标题", widget=forms.TextInput(attrs={"class": "form-control", "autocomplete": "off"}))
    img = forms.FileField(label="图片")


def image_list(request):
    queryset = models.Image.objects.all()
    if request.method == "GET":
        form = ImageForm()
        return render(request, "image/image_list.html", {"form": form, "queryset":queryset})
    form = ImageForm(data=request.POST, files=request.FILES)
    if form.is_valid():

        # 提交过来的图片对象
        image_object = form.cleaned_data.get("img")
        # 拼接路径，从media开始
        file_path = os.path.join("media", image_object.name).replace("\\", "/")
        with open(file_path, "wb") as file:
            # image_object.chunks() 获取到的是生成器对象
            for chunk in image_object.chunks():
                # 遍历结果为图片的字节
                file.write(chunk)

        models.Image.objects.create(
            title=form.cleaned_data["title"],
            times=datetime.now().strftime("%Y-%m-%d"),
            img=file_path
        )
        return redirect("/image/list/")
    return render(request, "image/image_list.html", {"form": form, "queryset":queryset})