(编辑：jimmy 日期: 2024/9/21 浏览：2)
jsonpath
jsonpath 用于多层嵌套 json格式的 解析。
pip install jsonpath
JsonPath
描述
$
根节点
@
现行节点
.or[]
取子节点
n/a
取父节点，jsonpath为支持
..
就是不管位置，选择所有复合条件的条件
*
匹配所有元素节点
n/a
根据属性访问，json不支持，因为json是个key-value递归结构，不需要数属性访问
[]
迭代器标示(可以在里边做简单的迭代操作，如数组下标，根据内容选值等)
[,]
支持迭代器中做多选
"htmlcode">
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
}
}
}
JsonPath
Result
$.store.book[*].author
store中的所有的book作者
$…author
所有的作者
$.store.*
store下的所有元素
$.store…price
store中的所有价钱
$…book[2]
第三本书
$…book[(@.length-1)]
最后一本书
$…book[0,1]
取前两本书
$…book["htmlcode">
import jsonpath
result = {
"code": 0,
"data": [
{
"age": 20,
"create_time": "2019-09-15",
"id": 1,
"mail": "283340479@qq.com",
"name": "yoyo",
"sex": "M"
},
{
"age": 21,
"create_time": "2019-09-16",
"id": 2,
"mail": "123445@qq.com",
"name": "yoyo111",
"sex": "M"
}
],
"msg": "success!"
}
msg = jsonpath.jsonpath(result, '$.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
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。