{
"USA":[{"country":"Albuquerque (ABQ)"},
{"country":"Allentown (ABE)"}
],
"Canada":{"country":"Calgary (YYC)"},
"Hawaii":{"country":"Honolulu International Apt (HNL)"}
}
这是我的目标,我需要循环它,所以我可以得到像这样的所有值
USA
Canade
答案 0 :(得分:3)
答案 1 :(得分:1)