我可以从简单的字典{}和List []构建JSON,但是当我尝试构建更复杂的结构时。我在输出JSON中嵌入了'\'。
我想要的结构:
{"name": "alpha",
"results": [{"entry1":
[
{"sub1": "one"},
{"sub2": "two"}
]
},
{"entry2":
[
{"sub1": "one"},
{"sub2": "two"}
]
}
]
}
这就是我得到的:
{'name': 'alpha',
'results': '[{"entry1": "[{\\\\"sub1\\": \\\\"one\\\\"}, {\\\\"sub2\\\\": '
'\\\\"two\\\\"}]"}, {"entry2": "[{\\\\"sub1\\\\": \\\\"one\\\\"},
{\\\\"sub2\\\\": '
'\\\\"two\\\\"}]"}]'}
注意嵌入式\\。每次代码通过json.dumps时,都会追加另一个\。
这里的代码几乎可以使用,但不会:
import json
import pprint
testJSON = {}
testJSON["name"] = "alpha"
#build sub entry List
entry1List = []
entry2List = []
topList = []
a1 = {}
a2 = {}
a1["sub1"] = "one"
a2["sub2"] = "two"
entry1List.append(a1)
entry1List.append(a2)
entry2List.append(a1)
entry2List.append(a2)
# build sub entry JSON values for Top List
tmpDict1 = {}
tmpDict2 = {}
tmpDict1["entry1"] = json.dumps(entry1List)
tmpDict2["entry2"] = json.dumps(entry2List)
topList.append(tmpDict1)
topList.append(tmpDict2)
# Now lets' add the List with 2 sub List to the JSON
testJSON["results"] = json.dumps(topList)
pprint.pprint (testJSON)
答案 0 :(得分:3)
看看这一行:
tmpDict1["entry1"] = json.dumps(entry1List)
这指定key entry1具有将entry1List转换为json的字符串输出的值。实质上,它将JSON放在JSON字符串中,因此它被转义。为了嵌套数据结构,我选择:
tmpDict1["entry1"] = entry1List
与其他地方相同。一旦有一个列表和序列树 - 您只需要在根容器(dict或列表)上调用json.dumps()
一次。