往数据库中插入不定数量的数据

public static void main(String[] args) {
Integer cacheTime = 1000 * 10;
Timer timer = new Timer();
// (TimerTask task, long delay, long period)任务，延迟时间，多久执行
timer.schedule(new TimerTask() {
@Override
public void run() {
try {
Update();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}, 10000, cacheTime);
}

public  static  void Update() throws SQLException, ClassNotFoundException  {

try{
String dbUrl = "jdbc:oracle:thin:@localhost:1521:ORCL";
String user = "scott";
String password = "tiger";
Class.forName("oracle.jdbc.driver.OracleDriver"); //加载JDBC驱动
Connection c = DriverManager.getConnection(dbUrl, user, password); //建立连接
System.out.println("连接成功");
Statement s = c.createStatement();//采用Statement进行插入数据
//long i=0;
String nb="10000";
String NBR="11111100000";//11位
String sql="";
for(int i=0;i<10000;i++){
sql="insert into wangkun"+
"(ORDER_SERIAL_NBR, PRD_CODE, SERV_ID, ACC_NBR, ACTION, ORDER_STATE, SOURCE, CREATE_DATE, STATE, STATE_DATE, LATN_ID, BUREAU_ID, IF_QUOTA, PRIORITY, STAFF_ID, STAFF_NAME, COMMENTS, AREA_ID, MDSE_PROD_CODE, PROD_TYPE, MDSE_PROD_VALUE, EFFECTIVE_DATE, REMARK, CUST_LEVEL)"+
"values ("+nb+", '42010100', 100395403, '"+NBR+"', 6, '5SA', '10', to_date('30-09-2012 06:24:41', 'dd-mm-yyyy hh24:mi:ss'), '5SN', to_date('28-09-2012 13:33:36', 'dd-mm-yyyy hh24:mi:ss'), 551, null, null, 65, null, null, null, null, '11010100', 1, null, '20110624062438', '人工停复机', 10)";
s.executeUpdate(sql); //插入数据
System.out.println("插入数据成功,插入的行数为"+i);
c.commit();
nb=String.valueOf(Long.valueOf(nb)+1);
NBR=String.valueOf(Long.valueOf(NBR)+1);
}
System.out.println(sql);
//String sql="update tb_int_tfj_551 set STATE='5SN'";
//s.executeUpdate(sql);
s.close();
c.close(); //关闭数据库连接
System.out.println("数据库连接已关闭");

}catch(SQLException e){
System.out.println(e);
}