可滚动结果集,可更新结果集

package com.jdbctest.ScrollResult;
import java.sql.*;

import com.jdbctest.Util.JDBCUtil;

public class ScrollResult {

	/**可滚动结果集
	 * @param args
	 */
	public static void main(String[] args) {
		
		Connection conn = null;
		Statement stmt = null;
		ResultSet rs = null;
		
		conn = JDBCUtil.getConnection();
		try {//设置成为可滚动可更新
			stmt = conn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_UPDATABLE);
			String sql = "SELECT id,sno,sname,score  FROM score";
			rs = stmt.executeQuery(sql);
			
			/***********结果集的滚动***********************/
			//定位到第二条记录
			rs.absolute(1);
			print(rs);
			//向后滚动一条
			//rs.previous();
			print(rs);
			//定位到最后一条
			rs.last();
			//定位到第一条
			print(rs);
			rs.first();
			
			rs.beforeFirst();
			while(rs.next()){
				print(rs);
			}
			
			/************用结果集更新数据*******************/
			System.out.println("更新数据 -----------------");
			rs.absolute(1);
			rs.updateString("score", "86");
			rs.updateRow();
			
			rs.beforeFirst();
			while(rs.next()){
				print(rs);
			}
			
			
			System.out.println("插入数据 -----------------");
						                  rs.moveToInsertRow();
			
			rs.updateString("sname", "吴小雨");
			rs.updateString("sno", "200608016");
			rs.updateDouble("score", 87);
			//rs.updateString("birthday", "1996-1-26");
			rs.insertRow();
			rs.beforeFirst();
			while(rs.next()){
				print(rs);
			}
			System.out.println("删除数据 -----------------------------");
			rs.absolute(3);
			rs.deleteRow();
			
			//移到最前面
			rs.beforeFirst();
			while(rs.next()){
				print(rs);
			}
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
		
		}

	private static void print(ResultSet rs) throws SQLException {
		System.out.println(rs.getString("sno"));
		System.out.println(rs.getString("sname"));
		System.out.println(rs.getDouble("score"));
		System.out.println("******************************");
	}
}