django ajax POST上的405错误 [英] 405 error on django ajax POST

问题描述

我有一个带有整数字段的模型，它将在用户点击上递增，如投票按钮。

I have a model with a integer field wich will increment on user click, like a "vote this" button.

该按钮仅在详细视图中显示。要增加投票数，它会发送一个ajax POST。问题是即使在执行视图之前，django也返回405（方法不允许）错误。可能导致这种情况？

The button only shows on the detail view. To increment the vote count it sends an ajax POST. The problem is that django returns a 405 (method not allowed) error even before executing the view. What can be causing this?

这是我的代码：

views.py（没有执行）

views.py (doesn't get executed)

@require_POST
def vote_proposal(request, space_name):

    """
    Increment support votes for the proposal in 1.
    """
    prop = get_object_or_404(Proposal, pk=request.POST['propid'])
    proposal_form = VoteProposal(request.POST or None, instance=prop)

    if request.method == "POST" and request.is_ajax:
        if proposal_form.is_valid():
            vote = proposal_form.cleaned_data['propid']
            vote.support_votes += 1
            vote.save()
            msg = "The vote has been saved."
        else:
            msg = "The vote didn't pass validation."
    else:
        msg = "An error has ocurred."

    return HttpResponse(msg)

jQuery代码：

<script type="text/javascript">
    function upvote(proposal) {
        var request = $.ajax({
            type: "POST",
            url: "../add_support_vote/",
            data: { propid: proposal }
        });

        request.done(function(msg) {
            var cur_votes = $("#votes span").html();
            var votes = cur_votes += 1;
            $("#votes span").html().fadeOut(1000, function(){
                $("#votes span").html(votes).fadeIn();
            });
        });

        request.fail(function(jqXHR, textStatus) {
            $("#jsnotify").notify("create", {
                title:"Couldn't vote the proposal",
                text:"There has been an error." + textStatus,
                icon:"alert.png"
            });
        })
     }
</script>

urls.py

urlpatterns = patterns('e_cidadania.apps.proposals.views',

    url(r'^$', ListProposals.as_view(), name='list-proposals'),

    url(r'^add/$', 'add_proposal', name='add-proposal'),

    url(r'^(?P<prop_id>\w+)/edit/$', 'edit_proposal', name='edit-proposal'),

    url(r'^(?P<prop_id>\w+)/delete/$', DeleteProposal.as_view(), name='delete-proposal'),

    url(r'^(?P<prop_id>\w+)/', ViewProposal.as_view(), name='view-proposal'),

    url(r'^add_support_vote/', 'vote_proposal'),

)

模板

<div id="votes">
    <span style="font-size:30px;text-align:center;">
        {{ proposal.support_votes }}
    </span><br/>
    <button onclick="upvote({{ proposal.id }})" class="btn small">{% trans "support" %}</button>
</div>

推荐答案

无法由相对URL引起问题 url：../ add_support_vote /在 $。ajax ？我可以想象，根据您触发Ajax调用的页面的位置，可以调用不允许POST的另一个视图，而不是调用 vote_proposal（）。

Couldn't the problem be caused by the relative URL url: "../add_support_vote/" in $.ajax? I can imagine that another view that doesn't allow POST might be called instead of vote_proposal() depending on the location of the page from which you trigger the Ajax call.

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