1. 导入jquery文件。
STATICFILES_DIRS=( ???os.path.join(BASE_DIR,‘static‘),)
2.创建url：
1 ????urlpatterns = [2 ????path(‘admin/‘, admin.site.urls),3 ????path(r‘search/‘,views.search),4 ]
3.创建视图：
def search(req): ???if req.method==‘POST‘: ???????username=req.POST.get("username") or ‘‘ ???????dic={"flag":False} ???????if username==‘zhoujielun‘: ???????????# dic[‘flag‘]=True ???????????# dic[‘flag‘]=Testdb.objects.values_list("ip") ???????????va=Testdb.objects.values("ip") ???????????result=[] ???????????for i in va: ???????????????result.append(i[‘ip‘]) ???????????dic[‘flag‘]=‘\n‘.join(result) ???????return HttpResponse(json.dumps(dic)) ???else: ???????return render(req,‘search.html‘)4.创建模板文件：
1 {% ?load staticfiles %} 2 <!DOCTYPE html> 3 <html lang="en"> 4 <head> 5 ????<meta charset="UTF-8"> 6 ????<title>search</title> 7 ????<script src="{% ?static ‘jquery-3.2.1.js‘ %}"></script> 8 </head> 9 <body>10 <input type="text" class="search-label-icon" id="search"/>11 <form>12 ????{% csrf_token %}13 ????<input type="submit" class="btn-danger">14 </form>15 <div><span id="va"></span></div>16 <script>17 ????$("#search").keyup(function () {18 ????????$.ajax({19 ????????????url:‘/search/‘,20 ????????????type:"POST",21 ????????????data:{22 ????????????????"username":$(this).val(),23 ????????????????"csrfmiddlewaretoken":"{{ csrf_token }}",24 ????????????},25 ????????????success:function (a) {26 ????????????????var newstr=JSON.parse(a);27 ????????????????if (newstr["flag"]) {28 ????????????????????$span=$("<span>");29 ????????????????????$span.text(newstr["flag"])30 ????????????????????$("#search").after($span)31 ????????????????}32 ????????????}33 ????????})34 ????????}35 ????)36 </script>37 </body>38 </html>jquery ajax
原文地址：https://www.cnblogs.com/mingxiazhichan/p/9206707.html