NSData * buffer = [fileHandle readDataOfLength:chunkSize];
while ([buffer length] > 0)
{
[streamBIG writeData:buffer];
offset += [buffer length];
[fileHandle seekToFileOffset:offset];
buffer = [fileHandle readDataOfLength:chunkSize];
}
这段代码是用来zip大小为25-30MB的批量文件,但是引起了崩溃。