public String delete(String id) {
String ID = id; db = new getConnection(); Connection con = db.getConnection();
try {con.setAutoCommit(false);db.executeUpdate("delete from helloworld where ID=" + ID); //更新操作1 db.executeUpdate("delete from helloworld _book where ID=" + ID); //更新操作2 db.executeUpdate("delete from helloworld_user where ID=" + ID); //更新操作3 con.commit();//提交JDBC事务 con.setAutoCommit(true); db.close();return “success”;
} catch (Exception e) { con.rollBack();//回滚JDBC事务 e.printStackTrace();db.close();return “fail”; }
}
public String delete(String id) { String ID = id; db = new getConnection(); db.getConnection(); UserTransaction transaction = sessionContext.getUserTransaction();//获得JTA事务 try { transaction.begin(); //开始JTA事务 db.executeUpdate("delete from helloworld where ID=" + ID); db.executeUpdate("delete from helloworld _book where ID=" + ID); db.executeUpdate("delete from helloworld _user where ID=" + ID); transaction.commit(); //提交JTA事务 db.close(); return”success”; } catch (Exception e) { try { transaction.rollback();//事务回滚 } catch (Exception e) { e.printStackTrace(); } exc.printStackTrace(); db.close(); return “fail”; }} 原文地址：http://www.cnblogs.com/dingding0505/p/3736671.html
