forin 报错
*** Terminating app due to uncaught exception 'NSGenericException', reason: '*** Collection <__NSArrayM: 0x146784f00> was mutated while being enumerated.’
原因:遍历数组的同时,在改变该数组的元素所致。
解决:在外部重新创建一个NSMutableArray
forin 报错
*** Terminating app due to uncaught exception 'NSGenericException', reason: '*** Collection <__NSArrayM: 0x146784f00> was mutated while being enumerated.’
原因:遍历数组的同时,在改变该数组的元素所致。
解决:在外部重新创建一个NSMutableArray