accesstabledata.java

《Java课程设计案例精编（第二版）》-黄晓东-源代码-4450

package dbAccessLayer;
import java.sql.*;

import javax.swing.JOptionPane;
public class AccessTableData {
	private Connection dbConn = null;
	private Statement stat = null;
	private ResultSet rSet = null;
	final  ConnectionPool connPool = ConnectionPool.DbConnectionPool;
	public ResultSet DMLOperation ( String strSQL ){		
		try{
			dbConn = ConnectionPool.DbConnectionPool.getConnection();
			if( dbConn == null ){
				JOptionPane.showMessageDialog(null,"杩炴帴姹犲凡婊★紝璇风◢鍚庡啀璇