数组枚举器:
NSEnumerator *en = [array1 objectEnumerator];
id str3 = nil;
while (str3 = [en nextObject])
{
NSLog(@"str3 = %@",str3);
}
NSEnumerator *en = [array1 objectEnumerator];
id str3 = nil;
while (str3 = [en nextObject])
{
NSLog(@"str3 = %@",str3);
}
2016-01-31