如何从 Parse iOS 中的同一键获取数据?

问题描述

限时删除！！

我是 Parse.com 的新手，我尝试从 Parse 表中获取具有相同键但值不同的数据

i am newbie in to Parse.com i try to Fetch data from Parse table with same key but value is Different like as

-(void)getdata
{
NSMutableArray *allObjects = [NSMutableArray array];
NSUInteger limit = 1000;
__block NSUInteger skip = 0;
PFQuery *query = [PFQuery queryWithClassName:@"MapInfo"];
PFQuery *query = [PFQuery queryWithClassName:@"MapInfo"];
[query whereKey:@"Type" containedIn:@[@"Temopary", @"Business"]];
[query setLimit: limit];
[query setSkip: skip];
[query findObjectsInBackgroundWithBlock:^(NSArray *objects, NSError *error)      {
    if (!error) {
        [allObjects addObjectsFromArray:objects];
        if (objects.count == limit) {

            skip += limit;
            [query setSkip: skip];
            [query findObjectsInBackgroundWithBlock:^(NSArray *objects, NSError *error) {
                [allObjects addObjectsFromArray:objects];
                self.lqpinname=[allObjects valueForKey:@"GPIN"];
                NSLog(@"Qpin name COunt %@",self.lqpinname);
                self.locationArray=[allObjects valueForKey:@"Location"];
                self.llatitude=[self.locationArray valueForKey:@"lat"];
                self.llongitude=[self.locationArray valueForKey:@"lng"];
                self.laddress=[allObjects valueForKey:@"Address"];
                self.lusernameArray=[allObjects valueForKey:@"AddedBy"];
                hudView.hidden=TRUE;
            }];
        }
    }
    else
    {
        NSLog(@"Error: %@ %@", error, [error userInfo]);
    }
}];
}

但是这里返回 Null 值我想从表中获取数据，其中列 Type=Business &临时请给我解决方案.

But it is return Null value here i want to Fetch data from table where column Type=Business & Temporary Please Give me Solution for this.

谢谢.

推荐答案

您应该能够使用 whereKey:containedIn: 来做到这一点.

You should be able to use whereKey:containedIn: to do this.

PFQuery *query = [PFQuery queryWithClassName:@"MapInfo"];
[query whereKey:@"Type" containedIn:@[@"Temopary", @"Business"]];

您在 Temporary 中也有错别字(除非 Temporay 是某种东西) - 不确定这是否是故意的.

You also have a typo in Temporary (unless Temporay is something) - not sure if that's intentional or not.

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