dbconn.java

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package com.weishuang.util;

import java.sql.Connection;

import com.weishuang.exception.UnknownDBException;
import com.weishuang.iface.Constant;
import com.weishuang.iface.Database;

public class DBConn implements Database {

	public Connection getConnection(int dbType) throws UnknownDBException {
		// TODO Auto-generated method stub
		switch(dbType){
			case Constant.ACCESS_DB: return AccessDBConnectionFactory.getConnection();
			default: throw new UnknownDBException("未知数据库");
		}	
	}

}