March 2022
Intermediate to advanced
522 pages
13h 52m
Chinese
Content preview from Python语言及其应用（第2版）
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264
｜
第
16
章
16.3.5 JSON
JSON
（
JavaScript object notation
，
JavaScript
对象记法）是一种非常流行的数据交换格式，
受欢迎程度远超于
JavaScript
。
JSON
格式是
JavaScript
的子集
，通常也是合法的
Python
语
法。它与
Python
的紧密契合使其成为程序间数据交换的理想选择
。第
18
章会介绍许多用
于
We
b
开发的
JSON
示例。
不像百花齐放的
XML
模块
，主要的
JSON
模块只有一个：
json
。该程序可以将数据编码
（
dumps()
）为
JSON
字符串，将
JSON
字符串解码（
loads()
）为数据。下面的例子创建了
一个包含先前
XML
示例数据的数据结构：
>>> menu = \
... {
... "breakfast": {
... "hours": "7-11",
... "items": {
... "breakfast burritos": "$6.00",
... "pancakes": "$4.00"
... }
... },
... "lunch" : {
... "hours": "11-3",
... "items": {
... "hamburger": "$5.00"
... }
... },
... "dinner": {
... "hours": "3-10",
... "items": {
... "spaghetti": "$8.00"
... }
... }
... }
.
使用
dumps()
将该数据结构（ ...
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