JSON返回字符串的写法 太过爱你忘了你带给我的痛 2022-10-06 00:53 168阅读 0赞 JSON的全称是JavaScript Object Notation,即JavaScript对象符号,它是一种轻量级、跨平台、跨语言的数据交换格式,其设计意图是把所有事情都用设计的字符串来表示,这样既方便在互联网上传递信息,也方便人进行阅读。 JSON主要有两种数据结构: * 由kye-value对组成的数据结构。这种数据结构在不同的语言中有不同的实现。例如在Python中是一种dict对象;在C语言中是一个struct;在其他语言中,则可能是record等。 * 有序集合。这种数据结构在Python中对应于列表list;在其他语言中,可能对应于list等。 # kye-value对组成的数据结构(对应Python中字典dict) # 方法一: data = { } result_data = { } data['name'] = 'John' data['age'] = 15 result_data['result'] = 'OK' result_data['message'] = 'success' result_data['data'] = data s = json.dumps(result_data) print(type(s), s) ![在这里插入图片描述][20210610143250765.png] 方法二: s1 = '{"result":"OK", "message":"success", "data":{"name":"jone", "age":"15"}}' print(type(s1), s1) response = json.loads(s1) print(response) ![在这里插入图片描述][20210610143309717.png] # 有序集合(对应Python中列表list) # book_list1 = [{ 'imgs_name':['1_1.jpg', '1_2.jpg', '1_3.jpg'], 'imgs_w':[1080, 720, 640], 'imgs_h':[1440, 1080, 640]}, { 'imgs_name':['1_1.jpg', '1_2.jpg', '1_3.jpg'], 'imgs_w':[1080, 720, 640], 'imgs_h':[1440, 1080, 640]}] print('book_list1(list->json):', type(book_list1), book_list1) book_json1 = json.dumps(book_list1) print('book_json1(list->json):', type(book_json1), book_json1) # not the same #book_json2 = '[{"imgs_name":["1_1.jpg","1_2.jpg","1_3.jpg"],"imgs_w":["1080","720","640"],"imgs_h":["1440","1080","640"]},{"imgs_name":["1_1.jpg","1_2.jpg","1_3.jpg"],"imgs_w":["1080","720","640"],"imgs_h":["1440","1080","640"]}]' # not the same #book_json2 = '[{"imgs_name": ["1_1.jpg", "1_2.jpg", "1_3.jpg"], "imgs_w": ["1080", "720", "640"], "imgs_h": ["1440", "1080", "640"]}, {"imgs_name": ["1_1.jpg", "1_2.jpg", "1_3.jpg"], "imgs_w": ["1080", "720", "640"], "imgs_h": ["1440", "1080", "640"]}]' # same book_json2 = '[{"imgs_name": ["1_1.jpg", "1_2.jpg", "1_3.jpg"], "imgs_w": [1080, 720, 640], "imgs_h": [1440, 1080, 640]}, {"imgs_name": ["1_1.jpg", "1_2.jpg", "1_3.jpg"], "imgs_w": [1080, 720, 640], "imgs_h": [1440, 1080, 640]}]' # shell input format #book_json_input = [{\"imgs_name\":[\"1_1.jpg\",\"1_2.jpg\",\"1_3.jpg\"],\"imgs_w\":[\"1080\",\"720\",\"640\"],\"imgs_h\":[\"1440\",\"1080\",\"640\"]},{\"imgs_name\":[\"1_1.jpg\",\"1_2.jpg\",\"1_3.jpg\"],\"imgs_w\":[\"1080\",\"720\",\"640\"],\"imgs_h\":[\"1440\",\"1080\",\"640\"]}] print('book_json2(json->list):', type(book_json2), book_json2) book_list2 = json.loads(book_json2) print('book_list2(json->list):', type(book_list2), book_list2) print('book_list2[0](json->list):', book_list2[0]) from difflib import Differ d = Differ() diff = d.compare(book_json1.splitlines(), book_json2.splitlines()) print('\n'.join(list(diff))) if book_json1 == book_json2: print('book_json1 and book_json2 is the same!') else: print('book_json1 and book_json2 is not the same!') ![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3N0dWR5ZWJveQ_size_16_color_FFFFFF_t_70] [20210610143250765.png]: /images/20221005/b66b110c2aa14d659de5d2d644564b69.png [20210610143309717.png]: /images/20221005/0c5ef6ef4c8a43048e85edcfa8fe791b.png [watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3N0dWR5ZWJveQ_size_16_color_FFFFFF_t_70]: /images/20221005/5866cea9f6774bf8800a079fd0f7b0fe.png
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