Jsonpath

安装：

pip install -i https://pypi.tuna.tsinghua.edu.cn/simple jsonpath
使用：jsonpath 只能解析本地文件，跟xpath不一样
obj=json.load(open(‘json文件’，‘r’, encoding=‘utf-8’)) json.load(是文件，不是字符串)
ret=jsonpath.jsonpath(obj,‘jsonpath语法’)

{
  "store": {
    "book":[
      {
        "category": "修真",
        "author": "六道",
        "title": "坏蛋是怎样炼成的",
        "price": 8.95
      },
      {
        "category": "修真",
        "author": "天蚕土豆",
        "title": "斗破苍穹",
        "price": 12.99
      },
      {
        "category": "修真",
        "author": "唐家三少",
        "title": "斗罗大陆",
        "isbn": "0-553-21311-3",
        "price": 8.99
      },
      {
        "category": "修真",
        "author": "南派三叔",
        "title": "皇辰变",
        "isbn": "0-395-19395-8",
        "price": 22.99
      }
    ],
    "bicycle": {
      "color": "黑色",
      "price": 19.95
    }
  }
}