我想除键之外的其他所有键。哈希删除除特定键之外的所有键
例如:
{
"firstName": "John",
"lastName": "Smith",
"age": 25,
"address":
{
"streetAddress": "21 2nd Street",
"city": "New York",
"state": "NY",
"postalCode": "10021"
},
"phoneNumber":
[
{
"type": "home",
"number": "212 555-1234"
},
{
"type": "fax",
"number": "646 555-4567"
}
]
}
我想删除除 “名字” 一切和/或 “地址”
感谢
我喜欢使用数组,以便它非常快速地添加新的键而不是更多的OR语句。哈希扩展也很酷:) –
谢谢。更全面的答案! – glarkou
这只适用于导轨吗?或一般的红宝石? – Fadi