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我可以用这种方式解码和编码数组吗?解码和编码数组Objective-C
NSMutableArray *arr;
-(void)encodeWithCoder:(NSCoder*)coder
{
[coder encodeInt:arr forKey:@"Array"];
}
-(id)initWithCoder:(NSCoder*)decoder
{
NSMutableArray array;
array = [[decoder decodeIntForKey:@"Array"]copy];
return self;
}