本篇文章小编给大家分享一下Python json解析库jsonpath原理及使用代码示例,文章代码介绍的很详细,小编觉得挺不错的,现在分享给大家供大家参考,有需要的小伙伴们可以来看看。
jsonpath
jsonpath 用于多层嵌套 json格式的 解析。
pip install jsonpath
jsonpath使用示例
book_dict = { "store": { "book": [ { "category": "reference", "author": "Nigel Rees", "title": "Sayings of the Century", "price": 8.95 }, { "category": "fiction", "author": "Evelyn Waugh", "title": "Sword of Honour", "price": 12.99 }, { "category": "fiction", "author": "Herman Melville", "title": "Moby Dick", "isbn": "0-553-21311-3", "price": 8.99 }, { "category": "fiction", "author": "J. R. R. Tolkien", "title": "The Lord of the Rings", "isbn": "0-395-19395-8", "price": 22.99 } ], "bicycle": { "color": "red", "price": 19.95 } } }
使用示例
$ 是查找的根节点,传参数是python的dict 类型,当查找到的时候返回一个list结果,查找失败的时候返回 False.
import jsonpath result = { "code": 0, "data": [ { "age": 20, "create_time": "2019-09-15", "id": 1, "mail": "283340479@qq.com", "name": "yoyo", "sex": "M" }, { "age": 21, "create_time": "2019-09-16", "id": 2, "mail": "123445@qq.com", "name": "yoyo111", "sex": "M" } ], "msg": "success!" } msg = jsonpath.jsonpath(result, '$.msg') print(msg) # 输出结果 ['success!'] names = jsonpath.jsonpath(result, '$..name') print(names) # 输出结果 ['yoyo', 'yoyo111'] no = jsonpath.jsonpath(result, '$..yoyo') print(no) # 找不到是结果是 False