📄 test1.java
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import javax.jdo.PersistenceManagerFactory;
import javax.jdo.PersistenceManager;
import javax.jdo.Transaction;
public class Test1 {
public static final String DBURL = "jdbc:mysql://localhost/jdotut";
public static final String DBDRIVER = "org.gjt.mm.mysql.Driver";
public static void main(String[] args) {
try {
/* SETUP JDO */
// 建立和设置持久性工厂
PersistenceManagerFactory pmf = (PersistenceManagerFactory) Class.forName("com.libelis.lido.PersistenceManagerFactory").newInstance();
pmf.setConnectionURL(DBURL);
pmf.setConnectionDriverName(DBDRIVER);
// 获得持久性工厂管理器
PersistenceManager pm = pmf.getPersistenceManager();
/* START A TRANSACTION */
// 获取当前的事务
Transaction t = pm.currentTransaction();
// 开始一个新的事务
t.begin();
/* CREATE AN OBJECT INSTANCE*/
Addressimplment a = new Addressimplment("7700 Technology Way", "", "Denver", "CO", "80237");
/*MAKE THE OBJECT PERSISTENT*/
pm.makePersistent(a);
/* COMMIT THE OBJECT TO STORAGE*/
// 提交所有的事务,所有的改变都写到数据库中
t.commit();
/** CLEANUP AND EXIT*/
pm.close();
} catch (Exception e) {
e.printStackTrace();
}
}
}
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