<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 %}" width="200px"> {% endif %} </body>
from django.shortcuts import render
from django.shortcuts import HttpResponse
from django.shortcuts import HttpResponseRedirect
from django.http import StreamingHttpResponse
import os
import uuid
def filexiazai(request,filename): filepath=os.getcwd()+'/app/static/file/'+filename print('服务器文件路径：{0}'.format(filepath)) with open(filepath,'rb') as filed: content=filed.read() #return HttpResponse(content,content_type='image/jpeg') return HttpResponse(content,content_type='application/octet-stream')
def filexiazai2(request,filename): filepath = os.getcwd() + '/app/static/file/' + filename def fileiter(path,chunk=512): with open(path,'rb')as filed: while True: content=filed.read(chunk) if content: yield content else: break response=StreamingHttpResponse(fileiter(filepath)) response['Content-Type']='application/octet-stream' response['Content-Disposition']='attachment;filename={0}'.format(filename) return response
jquery实现获取value值 设置value值
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>ajaxdd</title> <script src="jquery-3.2.1.min.js"> </script> <script> $(function () { $("#btn").click(function () { v=$("#textd").val() alert(v); }); $("#btn1").click(function () { $("#textd").val('456'); }); }); </script> </head> <body> <input type="text" id="textd"> <button id="btn">jquery获取value</button> <button id="btn1">jquery设置</button> </body> </html>
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>注册</title> {% load static %} <script src="{% static 'jquery-3.2.1.min.js' %}"></script> <script src="{% static 'jquery.cookie.js' %}"></script> <script> $(function () { $('#aa').click(function () { userds=document.getElementsByName('userd')[0] if(userds.value==''){ $('span').text('请输入用户名'); userds.focus(); }else { $('span').text(''); $.ajax({ async:true, url:"/goajax/"+ userds.value +"/", type:'post', headers:{'X-CSRFTOKEN':$.cookie('csrftoken')}, success:function (data) { if (data=='true'){ $('span').text('恭喜通过'); $('span').css({"color":"green"}); }else { $('span').text('用户已占用'); $('span').css({"color":"red"}); } } }); } }); }); </script> </head> <body> <h3>异步验证注册</h3> <form method="post" > <input type="text" name="userd" placeholder="请输入用户名"> <a id="aa">唯一验证</a><span></span><br> <input type="password" name="passd" placeholder="请输入密码"> <input type="submit" value="regs"> </form> </body> </html>
from django.shortcuts import render from django.http import HttpResponse # Create your views here. def goreg(request): return render(request,"regd.html") def goajax(request,username): usernames=['zhangsan','lisi'] flag='true' print(username) if username in usernames: flag='false' return HttpResponse(flag)
urlpatterns = [ path('admin/', admin.site.urls), path('reg/', goreg), path('goajax/<str:username>/', goajax), ]