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我不能更新我的數據庫:我連接到它,然後我用這個功能,但它必須執行,但沒有更新:更新數據庫SQLite的
- (BOOL) updatePoint:(NSString *) word {
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *documentsDirectory = [paths objectAtIndex:0];
NSString *path = [documentsDirectory stringByAppendingPathComponent:@"master.sqlite"];
sqlite3_stmt *statement;
if (sqlite3_open([path UTF8String], &database) == SQLITE_OK) {
int newPoint = point + 1;
NSString *sql = [NSString stringWithFormat:@"UPDATE %@ SET Point='%d' WHERE Parola=?",
dictionaries1[[[word substringWithRange:NSMakeRange(0,1)] intValue]-1],newPoint];
if(sqlite3_prepare_v2(database, [sql UTF8String], -1, &statement, NULL)==SQLITE_OK)
sqlite3_bind_text(statement,1,[word UTF8String] ,-1, SQLITE_TRANSIENT);
sqlite3_step(statement);
sqlite3_finalize(statement);
//sqlite3_reset(statement);
sqlite3_close(database);
return YES;
} else
return NO;
}
有什麼不對?
你怎麼知道它是不更新? – Max 2011-02-16 09:00:51