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我能夠得到書籍的標題列表(tableview),當我選擇書籍時,我想推到書籍細節的新視圖。我是在titleView類的「didSelectRow」還是在DetailView類的「viewWillAppear」中做這件事,如果是的話,我需要做些什麼來獲得語句,3或contentInfo?iphone:如何顯示來自diff的sqlite數據。差異查詢語句。視圖?
數據庫類
(NSArray *) itemsByAuthorID:(NSInteger)authorID {
NSMutableArray *retval = [[NSMutableArray alloc] init];
NSString *query;
code....
query = [NSString stringWithFormat:@"select * from books where books.author_id = '%i'", authorID];
}
code...
sqlite3_stmt *statement;
if (sqlite3_prepare_v2(_database, [query UTF8String], -1, &statement, nil) == SQLITE_OK){
while (sqlite3_step(statement) == SQLITE_ROW) {
int itemID = sqlite3_column_int(statement, 0);
int authorID = sqlite3_column_int(statement, 1);
char *nameChars = (char *) sqlite3_column_text(statement, 2);
char *itemContent = (char *) sqlite3_column_text(statement, 3);
NSString *contentTitle = [[NSString alloc] initWithUTF8String:nameChars];
NSString *contentInfo = [[NSString alloc] initWithUTF8String:itemContent];
Item *info = [[Item alloc] initWithItemID:itemID authorID:authorID contentTitle:(NSString *)contentTitle contentInfo:contentInfo];
[retval addObject:info];
}
sqlite3_finalize(statement);
}
return retval;
這是我的私人類名爲Item看下面的代碼。我可以爲didSelectRow傳遞contentInfo的那個對象嗎? .......... Item * info = [[Item alloc] initWithItemID:itemID authorID:authorID contentTitle:(NSString *)contentTitle contentInfo:contentInfo]; [retval addObject:info]; – merrill 2012-01-11 03:54:29