我用第三方库FMDatabase(fmdb)存储数据,但是我取出的时候,取不出来这是什么问题
NSString * sql;
FMResultSet * set;
sql = @"select * from News";
set = [_dataBase executeQuery:sql];
while (set.next) {
_item = [[NewsItem alloc] init];
_item.newsTitle = [set stringForColumn:@"title"];
_item.newsImageUrl = [set stringForColumn:@"imageUrl"];
[_dataArray addObject:_item];