获取" item1"的JSON路径表达式是什么? ," item2"事先不知道这些钥匙的名称。
{
"item_group" : "This is item group",
"items": {
"item1": {
"name1": "value1",
"name2": {
"value2": "value2"
},
"name3": {
"param1": "This is param1"
}
},
"item2": {
"name11": "value11",
"name22": {
"value22": "value22"
},
"name33": {
"param2": "This is param2"
}
}
}
}