使用键路径从嵌套字典中获取值,以下是dict
:
json = {
"app": {
"Garden": {
"Flowers": {
"Red flower": "Rose",
"White Flower": "Jasmine",
"Yellow Flower": "Marigold"
}
},
"Fruits": {
"Yellow fruit": "Mango",
"Green fruit": "Guava",
"White Flower": "groovy"
},
"Trees": {
"label": {
"Yellow fruit": "Pumpkin",
"White Flower": "Bogan"
}
}
}
方法的输入参数是由用点分隔的关键路径,从关键路径 =“app.Garden.Flowers.white Flower”,需要打印出“茉莉花”。我迄今为止的代码:
方法的输入参数是通过用点分隔的关键路径确定的。对于给定的关键路径 =“app.Garden.Flowers.white Flower”,需要打印出“Jasmine”。我的代码如下:
import json
with open('data.json') as data_file:
j = json.load(data_file)
def find(element, JSON):
paths = element.split(".")
# print JSON[paths[0]][paths[1]][paths[2]][paths[3]]
for i in range(0,len(paths)):
data = JSON[paths[i]]
# data = data[paths[i+1]]
print data
find('app.Garden.Flowers.White Flower',j)
import operator
并使用operator.getitem
。 - Christian Longtype(rv) is list
,你也可以使用三元运算符并转换键。 - TastyWheat