0
NSDictionarys獲取特定數據字段我有一個嵌套的詞典數據數組是這樣的:從嵌套在NSArray中
[{ link : [
{ $ref: "foo", $href: "first_foo"},
{ $ref: "bar", $href: "barrrrrrr"},
{ $ref: "quz", $href: "quzzzzzzz"}]},
{ link : [
{ $ref: "foo", $href: "second_foo"},
{ $ref: "bar", $href: "barrrrrrr"},
{ $ref: "quz", $href: "quzzzzzzz"}]}]
我想挑出每個字典的foo
。像這樣的希望的結果:
[{ foo: "first_foo"}, { foo: "second_foo"}]
我使用[myArray valueForKey @"@customFilterForFoo"]
嘗試,以及有關的NSDictionary類實現的customFilterForFoo
,但最終與*** Terminating app due to uncaught exception 'NSUnknownKeyException', reason: '[<__NSCFArray 0x6b81a10> valueForUndefinedKey:]: this class is not key value coding-compliant for the key customFilterForFoo.'
我怎麼能這樣做?謝謝!
您是否設法使其工作? – moxy 2012-02-19 21:01:24
我已經採用了你的方法,雖然它確實不那麼簡潔。 – 2012-02-20 04:54:38