JDBC向oracle插入数据

 　　public static void main(String[] args) throws SQLException {
  2
  3
  4         String driver="oracle.jdbc.driver.OracleDriver";
  5         String url="jdbc:oracle:thin:@www.ee.w.www:1521:orcl";
  6         String user="rrr";
  7         String password="rrr";
  8
  9         Connection conn=null;
 10         PreparedStatement stmt=null;
 11                 //Statement _stmt=null;
 12         ResultSet rs=null;
 13         List<TestEntity> entityList=null;
 14         try {
 15
 16             Class.forName(driver);
 17             conn=(Connection)DriverManager.getConnection(url, user, password);
 18             String sql="SELECT * FROM t_daoshu_test where  c_time>?";
 19                 //String _sql="select max(ID) from t_daoshu_test";
 20                 //_stmt=(Statement)conn.createStatement();
 21             stmt=(PreparedStatement)conn.prepareStatement(sql);
 22             stmt.setObject(1,new java.sql.Timestamp(new Date().getTime()));
 23             rs=stmt.executeQuery();  //_stmt.executeQuery(sql);
 24             entityList=new ArrayList<TestEntity>();
 25             int i=0;
 26             while(rs.next())
 27             {
 28                 i=rs.getInt(1);
 29             }
 30
 31             /*while(rs.next())
 32             {
 33                 TestEntity en=new TestEntity();
 34                  en.setId(rs.getInt("ID"));
 35                  en.setArea(rs.getString("C_AREA"));
 36                  en.setType(rs.getString("C_TYPE"));
 37                  en.setTitle(rs.getString("C_TITLE"));
 38                  en.setLink(rs.getString("C_LINK"));
 39                  en.setDate(rs.getDate("C_TIME"));
 40                  entityList.add(en);
 41
 42             }*/
 43             System.out.println("最大ID："+i);
 44             System.out.println("集合size："+entityList.size());
 45
 46         } catch (ClassNotFoundException e) {
 47             e.printStackTrace();
 48         }finally
 49         {
 50             closeResource(rs,stmt,conn);
 51
 52         }
 53
 54
 55         if(entityList.size()>0)
 56         {
 57             //插入数据
 58             try {
 59                 Class.forName(driver);
 60                 conn=(Connection)DriverManager.getConnection(url, user, password);
 61                 String sql="INSERT INTO T_FORM_210 (WORK_FLOW_PROCESS_ID, CREATE_TIME, WORK_FLOW_ID, NODE_VALUE, UNITE_STATE, COL0, COL1, COL2, COL3, COL4, COL5)";
 62                 sql+="VALUES (-1, sysdate, -1, -1, -1,?,?,?,?,?,?)";
 63
 64                 conn.setAutoCommit(false);
 65                 PreparedStatement pst=(PreparedStatement)conn.prepareStatement(sql);
 66                 for(int i=0;i<entityList.size();i++)
 67                 {
 68                     TestEntity entity=new TestEntity();
 69                     entity=entityList.get(i);
 70                     pst.setString(1,entity.getType());
 71                     pst.setString(2,entity.getArea());
 72                     pst.setString(3,entity.getTitle());
 73                     pst.setString(4,entity.getLink());
 74                     pst.setObject(5,new java.sql.Timestamp(new Date().getTime()));  //更新时间
 75                     pst.setObject(6,new java.sql.Timestamp(new Date().getTime()));   //最后更新时间
 76                     pst.addBatch();
 77                 }
 78                 //执行批量更新
 79                 pst.executeBatch();
 80                 conn.commit();
 81                 System.out.println(new java.sql.Timestamp(new Date().getTime())+" 已经同步数据");
 82             } catch (ClassNotFoundException e) {
 83                 e.printStackTrace();
 84             }finally
 85             {
 86                 closeResource(rs,stmt,conn);
 87
 88             }
 89
 90         }
 91
 　　　　　public static void closeResource(ResultSet rs,Statement stmt,Connection conn)
   　　　 {
         if(rs!=null)
         {
             try {
                 rs.close();
             } catch (SQLException e) {
                 // TODO Auto-generated catch block
                 e.printStackTrace();
             }
         }
         if(stmt!=null)
         {
             try {
                 stmt.close();
             } catch (SQLException e) {
                 // TODO Auto-generated catch block
                 e.printStackTrace();
             }
         }
         if(conn!=null)
         {
             try {
                 conn.close();
             } catch (SQLException e) {
                 // TODO Auto-generated catch block
                 e.printStackTrace();
             }
         }    

     }