OC 大数组分割成由小数组重新组合的新数组

NSLog(@"++++%@",[self seprateBigArrBySize:3 BigArr:@[@"1",@"2",@"3",@"4",@"5",@"6",@"7"]]);

打印结果：@[@[@"1",@"2",@"3"],@[@"4",@"5",@"6"],@[@"7"]];

-(NSArray *)seprateBigArrBySize:(int)size BigArr:(NSArray*)bigArr{

NSMutableArray * temp = [NSMutableArray array];

int start,end = 0;

double newSize = size;

NSLog(@"-----%f++++%zd",ceil(bigArr.count/newSize),lrint(ceil(bigArr.count/newSize)));

for (int i = 0; i < lrint(ceil(bigArr.count/newSize)); i++) {

start = i* size;

end = start + size;

if (end > bigArr.count) {

size = bigArr.count%size;

}

[temp addObject:[bigArr subarrayWithRange:NSMakeRange(start, size)]];

}

return temp.copy;

}