datamanager.java

servlet实现网上书店查询

package com.ghy.util;

import java.io.IOException;
import java.sql.Connection;
import java.sql.SQLException;

public interface DataManager {

	Connection getConnection() throws IOException, InstantiationException, IllegalAccessException, ClassNotFoundException, SQLException;
	void beginTransaction(boolean supportTran);
	void commitTransaction() throws SQLException;
	boolean rollbackTransaction() throws SQLException;
	void closeDBConnection() throws SQLException;
	
}