【背景】

【操作步驟】

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package com.gxt.common.vo;

import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;

/**
 * mail實體
 * @author mk
 *
 */
public class Mail {

	public static final String ENCODEING = "UTF-8";
	
	private static String host;	//伺服器地址
	private static String sender;	//發件人的郵箱
	private String receiver;//收件人的郵箱
	private static String name;	//發件人暱稱
	private static String username;//賬號
	private static String password;//密碼
	private static String subject;	//主題
	private  String message;	//詳情
	private static String message1;	//詳情1
	private static String message3;	//詳情3
	private static String message5;	//詳情5
	private static String message7;	//詳情7
	
	
	//將下面內容放到配置檔案mail.properties中，方便修改
	static{
		InputStream in = Mail.class.getResourceAsStream("/mail.properties");  
		  
        Properties p = new Properties();  
  
        try {
			p.load(in);
			host =p.getProperty("Host");
			sender =p.getProperty("sender");
			name =p.getProperty("name");
			username =p.getProperty("username");
			password =p.getProperty("password");
			subject =p.getProperty("subject");
			message1 =p.getProperty("message1");
			message3 =p.getProperty("message3");
			message5 =p.getProperty("message5");
			message7 =p.getProperty("message7");
		} catch (IOException e) {
			e.printStackTrace();
		} 
	}

	public static String getHost() {
		return host;
	}

	public static void setHost(String host) {
		Mail.host = host;
	}

	public static String getSender() {
		return sender;
	}

	public static void setSender(String sender) {
		Mail.sender = sender;
	}

	public String getReceiver() {
		return receiver;
	}

	public void setReceiver(String receiver) {
		this.receiver = receiver;
	}

	public static String getName() {
		return name;
	}

	public static void setName(String name) {
		Mail.name = name;
	}

	public static String getUsername() {
		return username;
	}

	public static void setUsername(String username) {
		Mail.username = username;
	}

	public static String getPassword() {
		return password;
	}

	public static void setPassword(String password) {
		Mail.password = password;
	}

	public static String getSubject() {
		return subject;
	}

	public static void setSubject(String subject) {
		Mail.subject = subject;
	}

	public String getMessage() {
		return message;
	}

	public void setMessage(String message) {
		this.message = message;
	}

	public static String getMessage1() {
		return message1;
	}

	public static void setMessage1(String message1) {
		Mail.message1 = message1;
	}

	public static String getMessage3() {
		return message3;
	}

	public static void setMessage3(String message3) {
		Mail.message3 = message3;
	}

	public static String getMessage5() {
		return message5;
	}

	public static void setMessage5(String message5) {
		Mail.message5 = message5;
	}

	public static String getMessage7() {
		return message7;
	}

	public static void setMessage7(String message7) {
		Mail.message7 = message7;
	}
	
}
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package com.gxt.common.util;

import java.sql.Date;

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

import com.gxt.common.vo.Mail;
import com.miitgxt.common.util.ResultInfo;

/**
 * 郵件傳送工具類
 * @author mk
 *
 */
public class MailUtil {

	//傳送呼叫的方法
	public ResultInfo send(Mail mail){
		//定製化返回的內容
		ResultInfo result = new ResultInfo(false,"郵件傳送失敗請與管理員聯絡");
		//傳送email
		HtmlEmail email = new HtmlEmail();
		try{
			//System.out.println(mail.getHost()+"---"+mail.getSender()+"---"+mail.getName()+"---"+mail.getUsername()+"---"+mail.getPassword()+"---"+mail.getSubject());
			//這裡是SMTP傳送伺服器的名字：163的如下：“smtp.163.com”
			email.setHostName(mail.getHost());
			//字元編碼集的設定
			email.setCharset(Mail.ENCODEING);
			//收件人的郵箱
			email.addTo(mail.getReceiver());
			//傳送人的郵箱
			email.setFrom(mail.getSender(),mail.getName());
			//如果需要認證資訊的話，設定認證：使用者名稱-密碼。分別為發件人在郵件伺服器上的註冊名稱和密碼
			email.setAuthentication(mail.getUsername(), mail.getPassword());
			//要傳送的郵件主題
			email.setSubject(mail.getSubject());
			//要傳送的資訊，由於使用了HtmlEmail，可以在郵件內容中使用HTML標籤
			email.setMsg(mail.getMessage());
			//傳送
			email.send();
			 result.setStatus(true);
			return result;
		}catch(EmailException e){
			return result;
		}
	}
	
	//將郵件內容組裝的方法
	public ResultInfo setMail(String usermail, String message2 ,String message4){
		Mail mail = new Mail();
		mail.setReceiver(usermail); //接收人
		//放入配置檔案中的新增部分
		StringBuffer message = new StringBuffer();
		message.append(mail.getMessage1());
		message.append(message2);
		message.append(mail.getMessage3());
		message.append(message4);
		message.append(mail.getMessage5());
		Date datatime = new java.sql.Date(new java.util.Date().getTime());
		message.append(datatime.toString());
		message.append(mail.getMessage7());
		
		mail.setMessage(message.toString());
		MailUtil mailUtil =  new MailUtil();
		ResultInfo isstr = mailUtil.send(mail);
		
		return isstr;
		
	}
}
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	public static void main(String[] args) throws IOException {
		MailUtil mailUtil =  new MailUtil();
		ResultInfo aaa = mailUtil.setMail("[email protected]", "收件人姓名XXX", "郵件內容");
		if (aaa.isStatus()) {
			System.out.println("傳送成功");
		}else{
			System.out.println("傳送失敗");
		}
		
	}
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    6.效果展示,如下圖

【思路擴充套件】

【總結感受】