iOS 遍历两个数组相同与不同的数据

遍历两个数组相同与不同的数据

- (void)testEnumerate {
    
    /**
     * 1、遍历itemModels的元素
     * localItemModels里不包含就添加，包含不添加
     */
    for (ItemModel *model in itemModels) {
        
        NSString *fileId = model.fileId;
        
        __block BOOL isContains = NO;
        [localItemModels enumerateObjectsUsingBlock:^(ItemModel * _Nonnull localModel, NSUInteger idx, BOOL * _Nonnull stop) {
            NSString *localFileId = localModel.fileId;
            if (![NSString stingIsNull:localFileId] && [localFileId isEqualToString:fileId]) {
                isContains = YES;
                *stop = YES;
            }
        }];
        
        if (isContains == NO) {
            [localItemModels addObject:model];
        }
        
    }
    
    
    /**
     * 2、遍历serverModels和dbModels的元素
     * 匹配orderId相等，修改状态
     * 获取最新状态的serverModels：filterArrays
     */
    
    __block NSMutableArray *filterArrays = [NSMutableArray array];
    
    // 遍历serverModels
    [serverModels enumerateObjectsUsingBlock:^(WSFInformationOrderModel *serverModel, NSUInteger idx, BOOL *stop) {
        
        // 遍历dbModels
        [dbModels enumerateObjectsUsingBlock:^(WSFInformationOrderDBModel *dbModel, NSUInteger idx, BOOL *stop) {
            // 匹配orderId相等，修改状态
            if ([serverModel.orderId isEqualToString:dbModel.order_id]) {
                if (serverModel.beInterestedMasterNum > dbModel.interested_master_count) {
                    serverModel.newInterestedMaster = YES;
                } else {
                    serverModel.newInterestedMaster = NO;
                }
                [filterArrays addObject:serverModel];
                *stop = YES;;
            }
        }];
        
        // 未匹配到，防止已匹配重复加入
        if (![filterArrays containsObject:serverModel]) {
            if (serverModel.beInterestedMasterNum > 0) {
                serverModel.newInterestedMaster = YES;
            }
            [filterArrays addObject:serverModel];
        }
        
    }];
    
}

// 2、遍历serverModels和checkModels的元素
private func filterCheckModel(checkModels: [WSFServiceCompleteImageModel]) {
        
        // 找到相同的元素，修改状态
        for serverModel in serverModels {
            // 还原状态
            serverModel.editState = .editStateUnSelect
            for checkModel in checkModels {
                if checkModel.orderId == serverModel.orderId {
                    // 修改状态
                    serverModel.editState = .editStateSelected
                    continue
                }
            }
        }
        
        // 刷新UI
        imageCollectionView.reloadData()
    }