Django的AJAX的Htt presponse JSON错误意外标记ð [英] Django ajax HttpResponse json error Unexpected token d

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问题描述

我试图做一个Django阿贾克斯的Htt presponse JSON使用中编辑

view.py

 高清测试(要求,union_id):
如果request.is_ajax():
    T = Union.objects.get(ID = union_id)
    消息= json.loads(request.body)
    t.description =消息[说明] [价值]
    t.save()
    返回的Htt presponse(消息,MIMETYPE =应用/ JSON)
其他:
    消息=不阿贾克斯
    返回的Htt presponse(消息)
 

jQuery的(已更新)

 函数的getCookie(名字){
        VAR cookieValue = NULL;
        如果(document.cookie中和放大器;&安培;!的document.cookie =''){
            VAR饼干= document.cookie.split(';');
            对于(VAR I = 0; I< cookies.length;我++){
                VAR饼干= jQuery.trim(饼干[I]);
                //这是否cookie字符串与我们想要的名字么?
                如果(cookie.substring(0,name.length + 1)==(名称+'=')){
                    cookieValue =去codeURIComponent(co​​okie.substring(name.length + 1));
                    打破;
                }
            }
        }
        返回cookieValue;
    }
    VAR csrftoken =的getCookie('csrftoken');

    函数csrfSafeMethod(方法){
        //这些HTTP方法不需要CSRF保护
        返回(/^(GET|HEAD|OPTIONS|TRACE)$/.test(method));
    }
    $ .ajaxSetup({
        跨域:假的,//避免需要sameOrigin测试
        beforeSend:功能(XHR,设置){
            如果(!csrfSafeMethod(settings.type)){
                xhr.setRequestHeader(X-CSRFToken,csrftoken);
            }
        }
    });

    $('#savecontentObj)。点击(函数(){
        变种contentObj = editor.serialize();
        OBJ = JSON.stringify(contentObj);
        $阿贾克斯({
          网址:更新,
            键入:POST,
            数据:OBJ,
            数据类型:JSON,
            的contentType:应用/ JSON
            成功:函数(响应){
                的console.log(成功);
            },
            完成:函数(){
                的console.log('完成');
            },
            错误:函数(XHR,textStatus,thrownError){
                执行console.log(thrownError);
                执行console.log(OBJ);
            }
        });
    });
 

的console.log

 的SyntaxError {堆栈:(...)消息:意外令牌D}
{说明:{值:< P> DDDDDD< / P>中}}
完成
 

这是节约说明的数据库,但我没有实现的HTT presponse成功,因为你可以在看console.log的

非常感谢!

更新

url.py

  URL(R'?^(P< union_id> \ D +)/更新$',views.test)
 

解决方案

 高清测试(要求,union_id):
如果request.is_ajax():
    T = Union.objects.get(ID = union_id)
    t.description = request.POST.get(说明,无)
    t.save()
    HTT presponse(json.dumps(字典(状态='更新')),MIMETYPE =应用/ JSON)
其他:
    消息=不阿贾克斯
    HTT presponse(json.dumps(字典(状态=不阿贾克斯)),MIMETYPE =应用/ JSON)

$('#savecontentObj)。点击(函数(){
        变种contentObj = editor.serialize();
        $阿贾克斯({
          网址:更新,
            键入:POST,
            数据:contentObj,
            数据类型:JSON,
            成功:功能(数据){
                执行console.log(data.success);
            },
            完成:函数(){
                的console.log('完成');
            },
            错误:函数(XHR,textStatus,thrownError){
                执行console.log(thrownError);
                执行console.log(OBJ);
            }
        });
    });
 

请根据确认您的AJAX的网址是不是你的意见的方法,也CSRF令牌必须存在于序列化的价值。

I am trying to do a Django ajax HttpResponse json using medium-editor.

view.py

def test(request, union_id):
if request.is_ajax():
    t = Union.objects.get(id=union_id)
    message = json.loads(request.body)
    t.description = message['description']['value']
    t.save()
    return HttpResponse(message, mimetype="application/json")
else:
    message = "Not Ajax"
    return HttpResponse(message)

Jquery (Updated)

    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');

    function csrfSafeMethod(method) {
        // these HTTP methods do not require CSRF protection
        return (/^(GET|HEAD|OPTIONS|TRACE)$/.test(method));
    }
    $.ajaxSetup({
        crossDomain: false, // obviates need for sameOrigin test
        beforeSend: function(xhr, settings) {
            if (!csrfSafeMethod(settings.type)) {
                xhr.setRequestHeader("X-CSRFToken", csrftoken);
            }
        }
    });

    $('#savecontentObj').click(function() {
        var contentObj = editor.serialize();
        obj = JSON.stringify(contentObj);
        $.ajax({
          url:"update",
            type: "POST",
            data: obj,
            dataType: "json",
            contentType: "application/json",
            success:function(response){
                console.log('success');
            },
            complete:function(){
                console.log('complete');
            },
            error:function (xhr, textStatus, thrownError){
                console.log(thrownError);
                console.log(obj);
            }
        });
    });

console.log

SyntaxError {stack: (...), message: "Unexpected token d"}
{"description":{"value":"<p>dddddd</p>"}}
complete 

It is saving 'description' to the database but I am not achieving success in the httpresponse as you can see in the console.log.

Many thanks!

Updated

url.py

url(r'^(?P<union_id>\d+)/update$', views.test),

解决方案

def test(request, union_id):
if request.is_ajax():
    t = Union.objects.get(id=union_id)
    t.description = request.POST.get('description',None)
    t.save()
    HttpResponse(json.dumps(dict(status='updated')), mimetype="application/json")
else:
    message = "Not Ajax"
    HttpResponse(json.dumps(dict(status="Not Ajax")), mimetype="application/json")

$('#savecontentObj').click(function() {
        var contentObj = editor.serialize();
        $.ajax({
          url:"update",
            type: "POST",
            data: contentObj,
            dataType: "json",
            success:function(data){
                console.log(data.success);
            },
            complete:function(){
                console.log('complete');
            },
            error:function (xhr, textStatus, thrownError){
                console.log(thrownError);
                console.log(obj);
            }
        });
    });

Make sure your ajax url is not according to your views method and also csrf token must exist in serialize value.

这篇关于Django的AJAX的Htt presponse JSON错误意外标记ð的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!

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