- (NSMutableArray *)QuickSort:(NSMutableArray *)list StartIndex:(NSInteger)startIndex EndIndex:(NSInteger)endIndex { if(startIndex < endIndex) { NSString * temp = [list objectAtIndex:startIndex]; NSInteger tempIndex = startIndex; //临时索引 处理交换位置(即下一个交换的对象的位置) for(int i = (int)startIndex ; i <= endIndex ; i++) { NSString *temp1 = [list objectAtIndex:i]; if([temp intValue] > [temp1 intValue]){ tempIndex = tempIndex + 1; [list exchangeObjectAtIndex:tempIndex withObjectAtIndex:i]; } } [list exchangeObjectAtIndex:tempIndex withObjectAtIndex:startIndex]; [self QuickSort:list StartIndex:startIndex EndIndex:tempIndex-1]; [self QuickSort:list StartIndex:tempIndex+1 EndIndex:endIndex]; } return list; }