django-cookie-session

cookie 设置读取加密删除

#设置cook
def seecook(request):
    response =HttpResponse('cook设置成功')
    response.set_cookie('cookiekey','setcook1',max_age=600)
    return response
#读取cook
def readcook(request):

    name=request.COOKIES.get('cookiekey')
    return HttpResponse('cook读取成功:{0}'.format(name))

#设置加密cook(set)
def setmicook(request):
    response=HttpResponse('加密cook设置成功')
    response.set_signed_cookie('jiamicookie-key','jiamicookie-value',salt='python ok')
    return response

#读取加密cook（get）
def readmicook(request):
    name=request.get_signed_cookie('jiamicookie-key',salt='python ok')
    return HttpResponse('获取到的加密cook是:{0}'.format(name))

#删除cook
def deletecook(request):
    response=HttpResponse('cookie删除成功！')
    response.delete_cookie('jiamicookie-key')
return response

cookie 记录账户名

HTML

<input type="text" name="zhanghao" value="{{ zhanghao }}">

views

#登录成功 cookie记录账号名 
def denglu(request):
    zhanghao=request.POST.get("zhanghao")
    mima=request.POST.get("mima")
if zhanghao=='admin' and mima=='123':
#验证成功 重定向地址
        response=HttpResponseRedirect('/zhuye/')
        response.set_signed_cookie("zhanghao",zhanghao,salt='python')
        response.set_signed_cookie("mima", mima, salt='python')
        return response
    else:
        try:
            zhanghao=request.get_signed_cookie("zhanghao",salt='python')
            return render(request,'login.html',{'zhanghao':zhanghao})
        except:

            return render(request,'login.html')

cookie登录成功记录账号

Session 登录成功记录账号显示在主页

<form method="post" action="/denglu/">
    {% csrf_token %}
    <input type="text" name="zhanghao" value="{{ zhanghao }}">
    <input type="password" name="mima">
    <button>登录</button>
</form>
****************************************************
{{ names }}的主页
<a href="/tuichu/">退出</a>

def login(request):
    try:
        # 提取cookie账号
        zhanghao = request.get_signed_cookie("zhanghao", salt='python')
        return render(request, 'login.html', {'zhanghao': zhanghao})
    except:
        return render(request,'login.html')

def denglu(request):
    zhanghao=request.POST.get('zhanghao')
    mima = request.POST.get('mima')
    if zhanghao=='admin' and mima=='123':
        # 登录成功写入session
        request.session['names'] = zhanghao
        # 登录成功写入cookie
        response=HttpResponseRedirect('/zhuye/')
        response.set_signed_cookie("zhanghao", zhanghao, salt='python')
        return response
    else:
        return HttpResponseRedirect('/login/')

def zhuye(request):
    # 登录成功主页提取session
    rec = request.session.get('names')
    if rec=='':
        return HttpResponseRedirect('/login/')
    else:
        return render(request,'zhuye.html',{'names':rec})

def tuichu(request):
    try:
        #退出删除session
        del request.session['names']
        return HttpResponseRedirect('/login/')
    except:
        return HttpResponseRedirect('/login/')
        pass

文件上传

<form method="post" enctype="multipart/form-data" action="/shangchuan/">
    {% csrf_token %}
    <input type="file" name="files">
    <button type="submit">上传</button>
</form>

def wenjian(request):
    return render(request,'wenjian.html')
def shangchuan(request):
    files=request.FILES.get('files')
    filedname=files.name
    print('
文件上传信息')
    print('文件名称：{0}'.format(filedname))
    print('文件大小：{0}'.format(files.size))
    print('文件类型：{0}'.format(filedname.split('.')[-1]))
    print('*'*40)
    loadpath="app/static/file"
    if not os.path.exists(loadpath):
        os.mkdir(loadpath)
        print('文件夹首次创建成功')
    fileloadpath=loadpath+os.sep+filedname
    print('【系统】文件路径：{0}'.format(fileloadpath))
    try:
        with open(fileloadpath,'wb+') as fd:
            for chunk in files.chunks():
                fd.write(chunk)
        print('【系统】文件写入成功')
        return HttpResponse("<script> alert('文件上传成功');location.herf='/wenjian/' </script>")
    except:
        return HttpResponse("<script> alert('文件上传失败');location.href='/wenjian/'</script>")

文件类型判断

上传照片回显

<head>
    <meta charset="UTF-8">
    {% load static %}
    <title>文件</title>
</head>
<body>
<form method="post" enctype="multipart/form-data" action="/shangchuan/">
    {% csrf_token %}
    <input type="file" name="files"><br>
    <input type="file" name="files">
    <button type="submit">上传</button>
    {{ message }}
</form>
{% if imgurl %}
<img src="{%  static imgurl %}">
{% endif %}


</body>

def wenjian(request):
    return render(request,'wenjian.html')
def shangchuan(request):
    jiance=True

    fileslist=request.FILES.getlist('files')
    for files in fileslist:

        filedname = files.name
        filedtype=filedname.split('.')[-1]
        print('
文件上传信息')
        print('文件名称：{0}'.format(filedname))
        print('文件大小：{0}'.format(files.size))
        print('文件类型：{0}'.format(filedname.split('.')[-1]))
        print('*' * 40)
        imgtypelist=['jpg','png','gif','bmp']
        loadpath = "app/static/file"
        if filedtype not in imgtypelist:
            return render(request,'wenjian.html',{'message':'文件类型不符'})

        if not os.path.exists(loadpath):
            os.mkdir(loadpath)
            print('文件夹首次创建成功')
        imgpre=str(uuid.uuid1())
        filedname=imgpre+'.'+filedtype
        fileloadpath = loadpath + os.sep + filedname
        print('【系统】文件路径：{0}'.format(fileloadpath))
        try:
            with open(fileloadpath, 'wb+') as fd:
                for chunk in files.chunks():
                    fd.write(chunk)
            print('【系统】文件写入成功')
            #return HttpResponse("<script> alert('文件上传成功');location.herf='/wenjian/' </script>")
            content=dict()
            content['message']='图片上传成功'
            content['imgurl']='file/'+filedname
            return render(request,'wenjian.html',content)
        except:
            jiance=False