我有一个数据库管理器类,它正在创建SQLite Database.Now从另一个类,我创建该类的实例。现在我怎么能在数据库中插入一个字符串数组? 我的数据库管理器类的代码是象下面这样:如何在黑莓的SQLite数据库中插入字符串数组
public class DatabaseManager
{
public Database sqliteDb = null;
public DatabaseManager()
{
try
{
URI myURI = URI.create("/SDCard/databases/itemdb.db");
Database sqliteDb = DatabaseFactory.openOrCreate(myURI);
sqliteDb.close();
sqliteDb = DatabaseFactory.open(myURI);
Statement statement = sqliteDb.createStatement("CREATE TABLE if not exists SelectedItem (Name TEXT, Quantity TEXT)");
statement.prepare();
statement.execute();
statement.close();
}
catch (Exception e)
{
e.printStackTrace();
}
finally
{
try
{
if(sqliteDb!=null)
{
sqliteDb.close();
}
}
catch (Exception e)
{
e.printStackTrace();
}
}
}
public static void insertValues(String tableName, Hashtable ht)
{
try
{
Logger.out("Grocery", "it is comin here");
URI myURI = null;
try
{
myURI = URI.create("/SDCard/databases/itemdb.db");
}
catch (IllegalArgumentException e)
{
e.printStackTrace();
}
catch (MalformedURIException e)
{
e.printStackTrace();
}
Database sqliteDb = DatabaseFactory.openOrCreate(myURI);
sqliteDb.close();
sqliteDb = DatabaseFactory.open(myURI);
Statement dbStatement = sqliteDb.createStatement("INSERT INTO SelectedItem(Name,Quantity) " + "VALUES (?,?)");
Enumeration itemName = ht.keys();
Enumeration itemQty = ht.elements();
while(itemName.hasMoreElements())
{
Logger.out("Grocery", "more items");
String strName = itemName.nextElement().toString();
String strQty = itemQty.nextElement().toString();
Logger.out("Grocery", "name:" + " " + strName);
Logger.out("Grocery", "QTY:" + " " + strQty);
dbStatement.bind(1, strName);
dbStatement.bind(2, strQty);
Logger.out("Grocery", "Binded:::::::::");
dbStatement.execute();
dbStatement.reset();
Logger.out("Grocery", "Executed:::::::::");
}
dbStatement.close();
}
catch (DatabaseException e)
{
e.printStackTrace();
}
}
public void closeDb()
{
try
{
sqliteDb.close();
}
catch (DatabaseIOException e)
{
e.printStackTrace();
}
}
}
现在我取的名字和数量哈希表。而在我的主类,当我按下按钮,我在数据库中像下面插入值:当过您要使用另一个类方法,如地球仪则刚刚宣布作为
dbManager = new DatabaseManager();
dbManager.insertValues("SelectedItem", htItem);
串的阵列装置做ÿ你想插入多个年龄值的名字? – 2012-02-17 04:11:33
是的..但我想从另一个类,而不是从DatabaseManager类插入.. – 2012-02-17 05:04:33