2013-06-21 40 views
0

我是django-tastypie的新手。當我嘗試使用下面的代碼創建的API,漂亮的json是如何工作的?

class PrettyJSONSerializer(Serializer): 
    json_indent = 4 

     def to_json(self, data, options=None): 
      print '.................' 
      options = options or {} 
      data = self.to_simple(data, options) 
      return simplejson.dumps(data, cls=json.DjangoJSONEncoder, 
            sort_keys=True, ensure_ascii=False, indent=self.json_indent) 


    class ShipmentResource(ModelResource): 
     class Meta: 
      queryset = Shipment.objects.all() 
      serializer = PrettyJSONSerializer() 

,它給下面顯示的輸出,

{"shipments": [{"awb_bol": "AWB#6", "carrier": "Yellow", "etd_eta": "2013-04-14", "from_to": "KKD-HYD", "id": 1, "mode": "Transport", "pieces": "10.00", "po": "PO-123", "resource_uri": "/api/shipment/1/", "status": "W", "weight": "25.00", "wr": "WR-123"}, {"awb_bol": "BWAB", "carrier": "Green", "etd_eta": "2013-04-23", "from_to": "AMP-HYD", "id": 3, "mode": "Transport", "pieces": "1.30", "po": "OP-123", "resource_uri": "/api/shipment/3/", "status": "O", "weight": "1.40", "wr": "RW 45"}]} 

但我只需要這個甲酸上面的輸出,

{ 
    "shipments": [ 
     { 
      "awb_bol": "AWB#6", 
      "carrier": "Yellow", 
      "etd_eta": "2013-04-14", 
      "from_to": "KKD-HYD", 
      "id": 1, 
      "mode": "Transport", 
      "pieces": "10.00", 
      "po": "PO-123", 
      "resource_uri": "/api/shipment/1/", 
      "status": "W", 
      "weight": "25.00", 
      "wr": "WR-123" 
     }, 
     { 
      "awb_bol": "BWAB", 
      "carrier": "Green", 
      "etd_eta": "2013-04-23", 
      "from_to": "AMP-HYD", 
      "id": 3, 
      "mode": "Transport", 
      "pieces": "1.30", 
      "po": "OP-123", 
      "resource_uri": "/api/shipment/3/", 
      "status": "O", 
      "weight": "1.40", 
      "wr": "RW 45" 
     } 
    ] 
} 

是在django-tastypie中可用的任何默認功能。 請解決我的問題。謝謝..

+0

這些是等效的... – HennyH

+0

感謝您的回覆。在我的瀏覽器中,我看到JSON甲酸鹽不含新的線條(即;它是線性甲酸鹽)。但是我需要用新的線條來合練。 – dhana

+0

根據需要,通常您的瀏覽器的工作是格式化JSON。如果您使用Chrome,則[JSONView](https://chrome.google.com/webstore/detail/jsonview/chklaanhfefbnpoihckbnefhakgolnmc)擴展程序可以很好地執行此操作。我相信其他瀏覽器也有相同的功能。或者您是否有特定需求讓您的JSON包含新行? –

回答

0

要simplejson.dumps添加分隔符= [ ' '':']參數

return simplejson.dumps(data, cls=json.DjangoJSONEncoder, sort_keys=True, ensure_ascii=False, indent=self.json_indent, separators=[',',': '])         

這項工作很好使用標準的Python的JSON庫,但他們的相似性,我認爲這是一樣的。

爲了避免頁面錯誤響應,我建議您在頁面響應中添加content_type ='application/json'。