如何为POST请求编写Django视图
我写了一个非常小的示例:一个junit按钮,该按钮发送带有一对值的POST请求:
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8" />
<title>jQuery UI Button - Default functionality</title>
<script src="{{STATIC_URL}}js/jquery-1.9.1.js"></script>
<script src="{{STATIC_URL}}js/jquery-ui-1.10.3.custom.js"></script>
<link rel="stylesheet" href="{{STATIC_URL}}css/jquery-ui-1.10.3.custom.css">
<script>
$(function() {
$( "button" )
.button()
.click(function( event ) {
var postdata = {
'value1': 7,
'value2': 5
};
$.post('', postdata); // POST request to the same view I am now
window.alert("Hello world!"); // To know it is working
});
});
</script>
</head>
<body>
<button>Submit</button>
</body>
</html>
因此,在将GET请求发送到localhost:8000 / button
/时,将呈现视图,并且在按下按钮时,也会将POST请求发送到localhost:8000 / button /。
urls.py
from django.conf.urls import patterns, url
urlpatterns = patterns('',
url(r'^button/$', 'helloworld.views.buttonExample'),
)
views.py
def buttonExample(request):
print 'RECEIVED REQUEST: ' + request.method
if request.method == 'POST':
print 'Hello'
else: #GET
return render(request, 'buttonExample.html')
完成GET请求后,视图将正确显示,我也可以在Django控制台上读取以下行:
RECEIVED REQUEST: GET <---- This line is because of my print
[28/May/2013 05:20:30] "GET /button/ HTTP/1.1" 200 140898
[28/May/2013 05:20:30] "GET /static/js/jquery-1.9.1.js HTTP/1.1" 304 0
[28/May/2013 05:20:30] "GET /static/js/jquery-ui-1.10.3.custom.js HTTP/1.1" 304 0
[28/May/2013 05:20:30] "GET /static/css/jquery-ui-1.10.3.custom.css HTTP/1.1" 304 0
...
当按下按钮时,我可以看到:
[28/May/2013 05:20:34] "POST /register/ HTTP/1.1" 403 142238
但是永远不会打印“已接收请求:POST”。“
Hello”也不是。POST到达时,似乎urls.py没有提供视图,因为在Firebug中,我可以看到POST状态为403 FORBIDDEN。
这可能是一个愚蠢的新手错误,但我不知道我缺少什么。我已经阅读了有关高级URLConf和Views的django书籍章节,看起来仅通过检查request.method值就可以正常工作。
-
这是设计使然。您的POST数据必须包含
csrfmiddlewaretoken
值。您可以从Cookie中获取它,然后将其与POST请求一起发送。详细信息在这里。对于您的特定情况,您可以执行以下操作-<script> $(function () { function getCookie(name) { var cookieValue = null; if (document.cookie && document.cookie != '') { var cookies = document.cookie.split(';'); for (var i = 0; i < cookies.length; i++) { var cookie = jQuery.trim(cookies[i]); // Does this cookie string begin with the name we want? if (cookie.substring(0, name.length + 1) == (name + '=')) { cookieValue = decodeURIComponent(cookie.substring(name.length + 1)); break; } } } return cookieValue; } var csrftoken = getCookie('csrftoken'); $("button") .button() .click(function (event) { var postdata = { 'value1': 7, 'value2': 5, 'csrfmiddlewaretoken': csrftoken }; $.post('', postdata); // POST request to the same view I am now window.alert("Hello world!"); // To know it is working }); }); </script>