我想調用一個方法,返回一個對象,需要幫助,因爲我得到一個EXC_BAD_ACCESS時它被調用。我試圖讓QuoteMap對象返回給調用它的ViewController。返回一個對象到一個ViewController中的方法
的方法是addAndReturnQuoteMap這是在頭部聲明QuoteMap.h
- (QuoteMap *)addAndReturnQuoteMap:(NSString *)subId withQuoteId:(NSString *)quoteId;
的方法本身是這樣的:
- (QuoteMap *)addAndReturnQuoteMap:(NSString *)subId withQuoteId:(NSString *)quoteId {
//FIRST GET A NEW QUOTE_MAP_ID
NSInteger newQuoteMapId = self.getNextQuoteMapId;
NSLog(@"newQuoteMapId = %d", newQuoteMapId);
// THEN TAKE THE QUOTE_MAP_ID, SUBJECT_ID AND QUOTE_ID AND INSERT INTO QUOTE_MAP TABLE
NSLog(@"subId = %@ quoteId = %@", subId, quoteId);
QuotesAppDelegate *appDelegate = (QuotesAppDelegate *)[[UIApplication sharedApplication] delegate];
FMDatabase *database = [FMDatabase databaseWithPath:appDelegate.getDBPath];
if ([database open]) {
[database executeUpdate:@"insert into QUOTE_MAP(quote_map_id, quote_id, subject_id) values(?, ?, ?)",
newQuoteMapId, subId, quoteId];
[database close];
}
[database open];
FMResultSet *result_categories = [database executeQuery:@"select * from QUOTE where quote_id = 835"];
[result_categories next];
QuoteMap *qm = [QuoteMap alloc];
qm.quote_map_id = [result_categories stringForColumn:@"QUOTE_MAP_ID"];
qm.quote_id = [result_categories stringForColumn:@"QUOTE_ID"];
qm.subject_id = [result_categories stringForColumn:@"SUBJECT_ID"];
qm.isDirty = NO;
NSLog(@"QuoteMap inserted the quote_map_id of: %@", qm.quote_map_id);
[qm release];
return qm;
};
我把從我AddQuoteViewController方法在這裏:
[qm addAndReturnQuoteMap:mySubjectId withQuoteId:quote.quote_id];
我相信我有一些真正愚蠢的東西錯誤,並會感謝任何方向可能是我的東西。
好真棒,那工作。 – jroyce 2012-02-02 02:36:10