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