package?com.hk;

import?java.io.*;
import?java.sql.*;
import?java.util.Properties;


import?com.mysql.jdbc.ResultSet;
import?com.mysql.jdbc.Statement;

public?class?ConnectionUtils?{
	private?static?String?url;
	private?static?String?dbUser;
	private?static?String?dbPassword;
	/**
	?*?讀入filename指定的文件，并解析，把鍵值對(duì)中的數(shù)據(jù)讀出
	?*?給全局變量urldbUserdbPassword賦值
	?*?@param?filename?:傳入的文件名
	?*/
	public?static?void?getParam（String?filename）{
		Properties?propes?=?new?Properties（）;
		File?file?=?new?File（filename）;
		try?{
			FileInputStream?fis?=?new?FileInputStream（file）;
			//加載輸入流指定的文件，數(shù)據(jù)放入鍵值對(duì)對(duì)象
			propes.load（fis）;
			//獲取文件中url（key）對(duì)應(yīng)的value給全局變量賦值
			url?=?propes.getProperty（“url“）;
			dbUser?=?propes.getProperty（“dbUser“）;
			dbPassword?=?propes.getProperty（“dbPassword“