找回密碼發送email

package com.puckasoft.video327.util;

import java.io.IOException;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;
import java.util.UUID;

import org.apache.commons.mail.EmailException;
import org.apache.commons.mail.HtmlEmail;


public class EmailUtil {
	private static Properties properties;//配置信息
	private static String hostName;//郵件服務器
	private static String userName;//登錄郵件服務器的用戶名
	private static String password;//登錄郵件服務器的密碼
	private static String from;//郵件發送者

	static {
		properties=new Properties();
		InputStream in = Thread.currentThread().getContextClassLoader()
				.getResourceAsStream("email.properties");
		try {
			properties.load(in);
			
			hostName = properties.getProperty("hostName");
			userName = properties.getProperty("userName");
			password = properties.getProperty("password");
			from = properties.getProperty("from");
//			System.out.println(hostName);
//			System.out.println(userName);
//			System.out.println(password);
//			System.out.println(from);
		} catch (IOException e) {
			throw new ExceptionInInitializerError();
		}

	}

	private static EmailUtil emailManager = new EmailUtil();

	private EmailUtil() {

	}

	public static EmailUtil getInstance() {
		return emailManager;
	}
	
	/**
	 * @author: new
	 * @data: Aug 27, 2009
	 * @param to 接收人的email
	 * @param subject 發送的郵件的主題
	 * @param msg 發送郵件的內容
	 * @return
	 * @throws EmailException
	 * @function: 
	 */
	public boolean sendHtmlEmail(String to, String subject, String msg)
			throws EmailException {
		boolean flag = true;
		HtmlEmail email = new HtmlEmail();
		// 設置郵件字符集編碼
		email.setCharset("utf-8");
		// 設置郵件服務器
		email.setHostName(hostName);
		email.setAuthentication(userName, password);
		// 設置郵件主題
		email.setSubject(subject);
		// 設置郵件消息
		email.setHtmlMsg(msg);
		// 設置郵件發送者
		email.setFrom(from);
		// 設置郵件接收者
		email.addTo(to);
		email.send();
		return flag;
	}

	public boolean sendResetPasswordEmail(String to, Map<String, String> params) {
		String subject = properties.getProperty("resetPasswordSubject");
		String msg = properties.getProperty("resetPasswordMsg");
			try {
				subject = new String(subject.getBytes("iso-8859-1"), "utf-8");
				msg = new String(msg.getBytes("iso-8859-1"), "utf-8");
			} catch (UnsupportedEncodingException e1) {
				e1.printStackTrace();
			}
		// 用map裏的值代替模板裏的對應參數
		//("path","url"),("keyId","fahfao097fankfhaoi") ${path} 
		for (Map.Entry<String, String> paramsEntry : params.entrySet()) {
			//${path}-->http://192.168.1.245:8080/video325/user/resetPwd.jsp
			//${keyId}-->fafafag2r535365732gsdsgs
			msg = msg.replace("${" + paramsEntry.getKey() + "}", paramsEntry
					.getValue());
		}
		System.out.println(subject);
		System.out.println(msg);
		try {
			sendHtmlEmail(to, subject, msg);
		} catch (EmailException e) {
			e.printStackTrace();
			return false;
		}
		return true;

	}

	public static void main(String[] args) {
		Map<String, String> params = new HashMap<String, String>();
		params.put("path", "http://192.168.1.245:8080/video325/resetPwd.jsp");
//		System.out.println(UUID.randomUUID().toString());
		params.put("keyId", UUID.randomUUID().toString().replace("-", ""));
		EmailUtil.getInstance().sendResetPasswordEmail("[email protected]",
				params);
	}
}