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我使用下面的代码来检查用户的姓是否存在于我的NSMutableArray(self.friendData)中。也就是说,即使用户的姓氏在字段“last name”中的self.friendData内部存在,它仍然返回语句的else部分(指出它不存在于数组中)。我怎样才能解决这个问题?检查NSMutableArray是否包含字符串
ViewController.m
NSMutableDictionary *viewParams2 = [NSMutableDictionary new];
[viewParams2 setValue:@"friends" forKey:@"view_name"];
[DIOSView viewGet:viewParams2 success:^(AFHTTPRequestOperation *operation, id responseObject2) {
self.friendData = (NSMutableArray *)responseObject2;
NSString *myFriend = [self.neighbourDetail objectForKey:@"last name"];
if ([self.friendData containsObject:myFriend]) {
NSLog(@"It contains %@!", myFriend);
self.addFriend.hidden = YES;
} else {
NSLog(@"It does not contain %@", myFriend);
self.addFriend.hidden = NO;
}
[operation responseString];
} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
NSLog(@"Failure: %@", [error localizedDescription]);
}];
self.friendData内容:
"field_friendbio" = {
und = (
{
format = "<null>";
"safe_value" = "There is currently no bio available for this user.";
value = "There is currently no bio available for this user.";
}
);
};
"field_lastname" = {
und = (
{
format = "<null>";
"safe_value" = Niyo;
value = Niyo;
}
);
};
查看上面的编辑(self.friendData的内容)。我想专门搜索friendData从neighbourData中拉出的姓氏。也就是说,用self.neighbourDetail替换myFriend仍然不起作用:/ – Brittany
看到我的更新,它需要与'containsObject'相同的数据结构我添加了替代解决方案, – meda
我很困惑 - 搜索结果仍然是空的当我使用这个代码?即使朋友[@“姓氏”]等于我的朋友。 – Brittany