框架----Django之Ajax全套实例

from django.conf.urls import url
from django.contrib import admin
from app01 import views

urlpatterns = [
    url(r‘^admin/‘, admin.site.urls),
    url(r‘^index/‘, views.index),
    url(r‘^add1/‘, views.add1),
    url(r‘^add2/‘, views.add2),
    url(r‘^autohome/‘, views.autohome),
    url(r‘^fake_ajax/‘, views.fake_ajax),
    url(r‘^jsonp/‘, views.jsonp),
]

 1 from django.shortcuts import render,HttpResponse,redirect
 2 
 3 def index(request):
 4     return render(request,‘index.html‘)
 5 
 6 
 7 def add1(request):
 8     a1 = int(request.POST.get(‘i1‘))
 9     a2 = int(request.POST.get(‘i2‘))
10     return HttpResponse(a1 + a2)
11 
12 def add2(request):
13     if request.method == ‘GET‘:
14         i1 = int(request.GET.get(‘i1‘))
15         i2 = int(request.GET.get(‘i2‘))
16         print(‘add2....‘)
17         return HttpResponse(i1 + i2)
18     else:
19         print(request.POST)
20         print(request.body)
21         return HttpResponse(‘...‘)
22 
23 
24 def autohome(request):
25     return render(request,‘autohome.html‘)
26 
27 
28 def fake_ajax(request):
29     if request.method == ‘GET‘:
30         return render(request,‘fake_ajax.html‘)
31     else:
32         print(request.POST)
33         return HttpResponse(‘返回值‘)
34 
35 
36 def jsonp(request):
37     return render(request,‘jsonp.html‘)

 1 DOCTYPE html>
 2 html lang="en">
 3 head>
 4     meta charset="UTF-8">
 5     title>title>
 6 head>
 7 body>
 8     h1>首页h1>
 9     input type="text" id="i1" />
10     +
11     input type="text" id="i2" />
12     =
13     input type="text" id="i3" />
14 
15     input type="button" id="btn1" value="jQuery Ajax" onclick="add1();" />
16     input type="button" id="btn2" value="原生Ajax" onclick="add2();" />
17 
18     script src="/static/jquery-3.2.1.js">script>
19     script>
20     /* $$$$$$$ jQuery Ajax $$$$$$$ */
21         function add1() {
22             $.ajax({
23                 url:‘/add1/‘,
24                 type:‘POST‘,
25                 data:{‘i1‘:$(‘#i1‘).val(),‘i2‘:$(‘#i2‘).val()},
26                 success:function (arg) {
27                     $(‘#i3‘).val(arg);
28                 }
29             })
30 
31         }
32 
33 
34      /* $$$$$$$ 原生Ajax $$$$$$$ */
35         function add2() {
36     /* $$$$$$$  GET方式  $$$$$$$ */
37         /*    var xhr = new XMLHttpRequest();
38             xhr.onreadystatechange = function () {
39                 if(xhr.readyState == 4){
40                     alert(xhr.responseText);
41                 }
42             };
43             xhr.open(‘GET‘,‘/add2/?i1=12&i2=19‘);
44             xhr.send();  */
45 
46 
47 
48     /* $$$$$$$  POST方式  $$$$$$$ */
49             var xhr = new XMLHttpRequest();
50             xhr.onreadystatechange = function () {
51                 if(xhr.readyState == 4){
52                     alert(xhr.responseText);
53                 }
54             };
55             xhr.open(‘POST‘,‘/add2/‘);
56             xhr.setRequestHeader(‘Content-Typr‘,‘application/x-www-form-urlencoded‘);
57             xhr.send(‘i1=12&i2=19‘);
58         }
59     script>
60 body>
61 html>

 1 DOCTYPE html>
 2 html lang="en">
 3 head>
 4     meta charset="UTF-8">
 5     title>title>
 6 head>
 7 body>
 8     div>
 9         input type="text" id="txt1" />
10         input type="button" value="查看" onclick="changeScr();" />
11     div>
12     iframe id="ifr" style="width: 1200px;height: 1000px;" src="http://www.autohome.com.cn">iframe>
13 
14     script>
15         function changeScr() {
16             var inp = document.getElementById(‘txt1‘).value;
17             document.getElementById(‘ifr‘).src = inp;
18         }
19     script>
20 body>
21 html>

 1 DOCTYPE html>
 2 html lang="en">
 3 head>
 4     meta charset="UTF-8">
 5     title>title>
 6 head>
 7 body>
 8     form id="f1" method="POST" action="/fake_ajax/" target="ifr">
 9         iframe id="ifr" name="ifr" style="display: none;">iframe>
10         input type="text" name="user" />
11         a onclick="submitForm();">提交a>
12     form>
13 
14     script>
15         function submitForm() {
16             document.getElementById(‘ifr‘).onload = loadIframe;
17             document.getElementById(‘f1‘).submit();
18         }
19         function loadIframe() {
20             var content = document.getElementById(‘ifr‘).contentWindow.document.body.innerText;
21             alert(content);
22         }
23     script>
24 body>
25 html>

 1 DOCTYPE html>
 2 html lang="en">
 3 head>
 4     meta charset="UTF-8">
 5     title>title>
 6     script src="/static/commons.js">script>
 7 head>
 8 body>
 9     a onclick="sendMsg();">发送a>
10     script>
11         function sendMsg() {
12             var tag = document.createElement(‘scaript‘);
13             tag.src = "http://www.jxntv.cn/data/jmd-jxtv2.html?callback=list&_=1454376870403";
14             document.head.appendChild(tag);
15         }
16     script>
17 body>
18 html>

1 function list(arg){
2     console.log(arg);
3 }

1 f1(123)