添加新数组去重 MJ刷新数据时用到

2024-08-04 11:58:59 216人阅读

// 2个数组去重方法封装, 返回新数组, 添加了不重复的新对象 - (数量变多)

- (NSMutableArray *)quChongWithOldArr:(NSMutableArray *)oldArr addNewArr:(NSArray *)newArr

{

NSMutableArray *resultArr = [NSMutableArrayarray];

for (VShowRoomObject * newRoom in newArr) {

BOOL isExit = NO;

for (VShowRoomObject * oldRoom in oldArr) {

if ([newRoom.roomidisEqual:oldRoom.roomid]) {

// 重复

isExit = YES;

}

if (!isExit) {

// 不重复

[resultArr addObject:newRoom];

}

return resultArr;

}

// 2个数组去重方法封装, 返回新数组, 移除了重复的旧对象 - (数量变少)

- (NSMutableArray *)quChongWithOldArr:(NSArray *)oldArr removeNewArr:(NSMutableArray *)newArr

{

NSMutableArray *resultArr = [NSMutableArrayarrayWithArray:oldArr];