[英]JSON POST request object showing unevaluated keys
我正在嘗試向Django發送AJAX發布請求。 我有一個有效的JSON對象,可以在瀏覽器中打印/查看/字符串化它,但是當它到達Django中時,鍵是未評估的(請參見第二代碼塊中的Django視圖)。
JS:
/* prettify payload for back */
var makeUpdatePayload = function(fieldType, fieldArray) {
var orderInfo = fieldArray.map(function(field, idx) {
var fieldInfo = field.split('-field-')
return {
'pk': fieldInfo[1],
'order': idx
}
});
return {[fieldType]: orderInfo}
};
/* post payload */
var updateFieldOrder = function( payload ) {
console.log('in ajax')
console.log(JSON.stringify(payload)) // {"search":[{"pk":"9","order":0},{"pk":"7","order":1},{"pk":"6","order":2},{"pk":"8","order":3},{"pk":"5","order":4},{"pk":"4","order":5}]}
$.ajax({
type: "POST",
url: "update_field_order/",
dataType: "json",
data: JSON.parse( JSON.stringify(payload)),
});
};
var payload = makeUpdatePayload('search', ["search-field-9", "search-field-7", "search-field-6", "search-field-8", "search-field-5", "search-field-4"])
updateFieldOrder(payload);
在我的django視圖中:
def update_field_order(request, recipe_pk):
print('post')
print(request.POST) # <QueryDict: {'search[0][pk]': ['9'], 'search[0][order]': ['0'], 'search[1][pk]': ['7'], 'search[1][order]': ['1'], 'search[2][pk]': ['6'], 'search[2][order]': ['2'], 'search[3][pk]': ['8'], 'search[3][order]': ['3'], 'search[4][pk]': ['5'], 'search[4][order]': ['4'], 'search[5][pk]': ['4'], 'search[5][order]': ['5']}>
我已經嘗試過JSON.stringify,然后嘗試JSON.parse-在發送之前對有效負載進行設置,但這無濟於事,我仍然看到相同的格式。 使用JSON.stringify(payload)
,我得到了預期的輸出:
`<QueryDict: {'{"search":[{"pk":"9","order":0},{"pk":"7","order":1},{"pk":"6","order":2},{"pk":"8","order":3},{"pk":"5","order":4},{"pk":"4","order":5}]}': ['']}>`
為什么會這樣呢?
我可以看到發送時未正確評估數據:
我不完全確定鍵的含義是未評估的 ,但是要在POST請求中發送對象,應在ajax調用中將其字符串化:
data: JSON.stringify(payload),
然后在您的視圖中,從request.body
檢索JSON並使用json
模塊加載:
import json
...
payload = json.loads(request.body.decode("utf-8"))
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