Spring之Email

參考資料
1 Spring郵件發送（可帶附件，模板，羣發，異步發送等功能）
http://linqincai.iteye.com/blog/508797
2 Spring mail 使用多個賬號發送帶有附件的HTML郵件
http://wisdombrave.iteye.com/blog/546508
3 spring各種郵件發送
http://blog.csdn.net/lenolong/article/details/3970110
4 spring來發EMAIL
http://www.cnblogs.com/jackyrong/archive/2006/08/17/479812.html
5 使用spring發送郵件例
http://www.blogjava.net/amigoxie/archive/2007/04/28/114310.html
6 Spring Mail中文亂碼問題
http://blog.csdn.net/matrixjava/article/details/3237772
7 國內常用郵箱客戶端POP3和SMTP服務器大全
http://www.hiapk.com/thread-7912-1-1.html

寫在前面的話
網上很多文章都是針對配置文件來說的,本文是對spring各種郵件發送這篇文章作了封裝,使用spring發送Email更加方便
網易和其它很多公司現在都沒有對外開放POP3/SMTP服務,可能你會碰到這樣的錯誤:
org.springframework.mail.MailAuthenticationException: Authentication failed; nested exception is javax.mail.AuthenticationFailedException
我測試時是用的是：新浪的郵箱:smtp.sina.com也是可以的
如下設置:

Exception: javax.net.ssl.SSLException: Unrecognized SSL message, plaintext connection
參考文章:http://zhidao.baidu.com/question/227409027.html
解答: 配置JavaMail的Properties時，不要指定mail.smtp.socketFactory.class,因爲TLS使用的是普通的Socket。然後指定屬性mail.smtp.starttls.enable爲true.

介紹
Spring郵件抽象層的主要包爲org.springframework.mail。它包括了發送電子郵件的主要接口MailSender，和值對象SimpleMailMessage，
它封裝了簡單郵件的屬性如from, to,cc, subject,text。包裏還包含一棵以MailException爲根的checked Exception繼承樹，
它們提供了對底層郵件系統異常的高級別抽象.爲了使用JavaMail中的一些特色, 比如MIME類型的信件, Spring提供了MailSender的一個子接口,
即org.springframework.mail.javamail.JavaMailSender。Spring還提供了一個回調接口org.springframework.mail.javamail.MimeMessagePreparator,
用於準備JavaMail的MIME信件.

工程環境:XP+Myeclipse6.5+JDK1.6

一實現功能
1 封裝了常用的四種發送Email的方法(文本,html,img,file),用戶只要調用一個工廠類傳遞相應的郵件的屬性如from, to,cc, subject,text,或者是消息對象
2 解決了發送郵件附件中的中文籌碼問題,參見了Spring Mail中文亂碼問題
3 支持鏈式風格
4 可以混合發送多種消息(text,html,img,file)

二工程圖片

或者你也可以這樣,使用打包好的jar:email.spring.util.jar
,見附件
三調用說明
1 發送文本消息

//默認空構造爲發送文本類型  
    MailMessageFactory mms = new MailMessageFactory();  
    mms.setSubject("使用spring email 測試發送文本消息")  
    .setText("正文消息了。。。。")  
    .send();

2 發送Html格式消息

MailMessageFactory mms = new MailMessageFactory(SendMailType.HTML);  
        mms.setSubject("使用spring email 測試發送Html中文郵件")  
        .setText("<html><head><meta http-equiv='content-type' content='text/html; charset=GBK'>" +  
                "</head><body><h1>這裏是咫尺天涯發送的郵件</h1></body></html>").send();

3 發送含有圖片的消息

MailMessageFactory mms = new MailMessageFactory(SendMailType.HTML);               
         String text = "<html><body>歡迎訪問咫尺天涯博客<br>"  
                + "<a href='http://liuzidong.iteye.com/' target='_blank'>"  
                + "<img src='cid:belle'></a><br><img src='cid:belle2'></body></html>";    
         //附件要嵌入到HTML中顯示，則在IMG標籤中用"cid:XXX"標記。                 
        mms.setSubject("使用spring email 測試郵件中嵌套圖片");   
        mms.setText(text);  
        File file = new File("c:\\5.jpg");            
        mms.setImgFile("belle", file);        
        File file2 = new File("c:\\4.jpg");  
        mms.setImgFile("belle2", file2);      
        mms.send();

4 發送含有附件的消息

MailMessageFactory mms = new MailMessageFactory(SendMailType.HTML);  
        mms.setSubject("使用spring email 測試發送附件");  
        File file = new File("c:\\1.zip");  
        mms.setAttachmentFile("jquery學習記錄", file).send();

5 綜合發送(文本,html,img,file)消息

MailMessageFactory mms = new MailMessageFactory(SendMailType.HTML);  
        mms.setSubject("使用spring email 測試發送郵件<包含html,img,file>等格式");        
        mms.setText("這是我的文本格式");  
        mms.setText("<html><head><h1>這裏是咫尺天涯發送的郵件</h1></head><body>" +  
                "<h1><a href='http://liuzidong.iteye.com/' target='_blank'></h1><br>" +  
                "<img src='cid:belle'></a><br><img src='cid:belle2'>"+  
                "</body></html>");  
         //附件要嵌入到HTML中顯示，則在IMG標籤中用"cid:XXX"標記。   
        File file = new File("c:\\5.jpg");  
        mms.setImgFile("belle", file);        
        File file2 = new File("c:\\4.jpg");  
        mms.setImgFile("belle2", file2);          
        File file3 = new File("c:\\1.zip");  
        mms.setAttachmentFile("附件1", file3);          
        File file4 = new File("c:\\jquery學習記錄.txt");  
        mms.setAttachmentFile("jquery學習記錄", file4);       
        mms.send();

四代碼如下
1 消息發送類:MailMessageFactory

package net.liuzd.email.spring;  

import java.io.File;  
import java.io.UnsupportedEncodingException;  
import java.util.List;  

import javax.mail.MessagingException;  
import javax.mail.internet.MimeMessage;  
import javax.mail.internet.MimeUtility;  

import net.liuzd.email.EmailEntity;  
import net.liuzd.email.MailType;  
import net.liuzd.email.SendMailType;  
import net.liuzd.email.SendMessage;  

import org.springframework.core.io.FileSystemResource;  
import org.springframework.mail.SimpleMailMessage;  
import org.springframework.mail.javamail.JavaMailSenderImpl;  
import org.springframework.mail.javamail.MimeMessageHelper;  

/** 
 * Title: 消息發送類  
 * Description: Copyright: Copyright (c) 2011 
 * Company:http://liuzidong.iteye.com/ Makedate:2011-7-4 上午10:11:08 
 * @author liuzidong 
 * @version 1.0 
 * @since 1.0 
 *  
 */  
public class MailMessageFactory {  

    private SimpleMailMessage simpleMailMessage;  
    private MimeMessageHelper mimeMessageHelper;  
    private JavaMailSenderImpl senderImpl;  
    private MimeMessage mimeMessage;  
    private SendMailType sendMailType;    
    private SendMessage sendMessage;      
    private static final String ENCODING = EmailEntity.EMAIL_ENCODING;  


    /** 
     * 默認爲發送文本類型 
     * */  
    public MailMessageFactory() {  
        this(SendMailType.TEXT);  
    }  

    /** 
     * 請顯示指明文件類型爲：TEXT,HTML,默認爲文本類型 
     *  
     * */  
    public MailMessageFactory(SendMailType sendMailType){  

        this.sendMailType = sendMailType;  
        this.senderImpl = JavaMailFactory.getJavaMail();  
        this.mimeMessage = senderImpl.createMimeMessage();                
        sendMessage = new SendMessage();      

        try {  
            switch (this.sendMailType) {  
            case TEXT:  
                simpleMailMessage = new SimpleMailMessage();  
                break;  
            case HTML:    
                mimeMessageHelper = new MimeMessageHelper(mimeMessage, true, ENCODING);  
            }  
        } catch (Exception e) {  
            e.fillInStackTrace();  
        }  

    }  

    /** 
     * @param to 接收者人地址 
     * @return 
     */  
    public MailMessageFactory setTo(String ... to){       
        sendMessage.setTos(to);       
        return this;  
    }  


    /**發送標題*/  
    public MailMessageFactory setSubject(String subject){  
        sendMessage.setSubject(subject);  
        return this;  
    }  

    /**發送內容*/  
    public MailMessageFactory setText(String text){  
        sendMessage.addText(text);  
        return this;  
    }  



    /** 
     * 加入圖片文件 
     * @param imageName  圖片名稱 
     * @param file   圖片源 
     * @return 
     */  
    public MailMessageFactory setImgFile(String imageName,File file){     
        try {  
            sendMessage.addFile(MailType.IMG,MimeUtility.encodeWord(imageName), file);                    
        } catch (UnsupportedEncodingException e) {            
            e.printStackTrace();  
        }         
        return this;  
    }  


    /** 
     * 加入圖片文件 
     * @param imageName  圖片名稱 
     * @param filePath   圖片路徑 
     * @return 
     */  
    public MailMessageFactory setImgFile(String imageName,String filePath){           
        setImgFile(imageName, new File(filePath));        
        return this;  
    }  

    /** 
     * 加入附件 
     * @param fileName  附件名稱 
     * @param file      附件路徑 
     * @return 
     */  
    public MailMessageFactory setAttachmentFile(String fileName,String filePath){     
        setAttachmentFile(fileName, new File(filePath));          
        return this;  
    }  


    /** 
     * 加入附件 
     * @param fileName  附件名稱 
     * @param file      附件源  
     * @return 
     */  
    public MailMessageFactory setAttachmentFile(String fileName,File file){           
        try {  
            sendMessage.addFile(MailType.FILE,MimeUtility.encodeWord(fileName),file);                     
        } catch (UnsupportedEncodingException e) {            
            e.printStackTrace();  
        }     
        return this;  
    }  



    /**發送消息,你調用此方法進行Email消息的發送*/  
    public void send(){   

        //消息發送前,檢查發送人地址,接收人地址是否爲空,爲空就設置爲配置文件中的地址          
        sendMessage.setForm(EmailEntity.EMAIL_FROM);  

        //檢查接收人地址是否爲空  
        String [] tos = sendMessage.getTos();  
        if(null == tos || tos.length == 0){  
            tos = new String[]{EmailEntity.EMAIL_TO};  
            sendMessage.setTos(tos);  
        }                 

        long startTime = System.currentTimeMillis();  
        //發送普通文本  
        if(sendMailType == SendMailType.TEXT){  
            sendTextMessage();  
        }else{            
            sendHtmlImgFileMessage();  
        }         
        long endTime = System.currentTimeMillis();  
        System.out.println(sendMailType + "成功!,耗費時間: " + (endTime - startTime)+"毫秒!");  
    }         

    /** 
     * 發送html,圖片,附件的消息 
     */  
    private void sendHtmlImgFileMessage() {  

        try {             
            mimeMessageHelper.setTo(sendMessage.getTos());  
            mimeMessageHelper.setFrom(sendMessage.getForm());  
            String subject = sendMessage.getSubject();  
            if(null != subject && !"".equals(subject)){  
                mimeMessageHelper.setSubject(subject);  
            }  
            String text = sendMessage.getSendTexts();  
            if(null != text && !"".equals(text)){  
                mimeMessageHelper.setText(text,true);  
            }             

            //檢查圖片或者文件集合是否爲空  
            int imgSize = sendMessage.getImages().size();     

            if(imgSize > 0){  

                    List<SendMessage> lists = sendMessage.getImages();  
                    FileSystemResource fsr = null;  
                    String imgName = null;  
                    for(SendMessage entity : lists){  
                        fsr = new FileSystemResource(entity.getFile());  
                        imgName = entity.getImgName();  
                        //如果爲圖片類型就調用addInline,否則就調用:addAttachment方法^_^  
                        if(entity.getMailType() == MailType.IMG)  
                            mimeMessageHelper.addInline(imgName, fsr);  
                        else   
                            mimeMessageHelper.addAttachment(imgName, fsr);                                

                    }  
                    fsr = null;               

            }     

        } catch (MessagingException e) {                  
            e.printStackTrace();  
        }  
        senderImpl.send(mimeMessage);  
    }  

    /** 
     * 發送文本消息 
     */  
    private void sendTextMessage() {  
        simpleMailMessage.setTo(sendMessage.getTos());    
        simpleMailMessage.setFrom(sendMessage.getForm());  
        String subject = sendMessage.getSubject();  
        if(null != subject && !"".equals(subject)){  
            simpleMailMessage.setSubject(subject);  
        }         
        String text = sendMessage.getSendTexts();  
        if(null != text && !"".equals(text)){  
            simpleMailMessage.setText(text);  
        }     
        senderImpl.send(simpleMailMessage);  
    }  


    /**  
     * @param subject       發送標題  
     * @param text          發送內容         
     * @param to            接收人地址 
     */  
    public void send(String subject,String text,String ... to){       
        sendMessage(subject, text, to);               
    }  



    private void sendMessage(String subject, String text, String... to) {  
        setTo(to);  
        setSubject(subject);  
        setText(text);  
    }  



    public SendMessage getSendMessage() {  
        return sendMessage;  
    }  

    /*** 
     * 接收一個消息對象 
     * */  
    public MailMessageFactory setSendMessage(SendMessage sendMessage) {  
        this.sendMessage = sendMessage;       
        return this;  
    }  
}

2 郵件發送類型:SendMailType

package net.liuzd.email;  
/**    
 *Title:     郵件發送類型 
 *Description:      
 *Copyright: Copyright (c) 2011    
 *Company:http://liuzidong.iteye.com/     
 *Makedate:2011-7-4 上午09:59:08    
 * @author liuzidong    
 * @version 1.0    
 * @since 1.0     
 *    
 */  
public enum SendMailType {  
    /** 
     * 文本類型 
     * */  
    TEXT,  
    /** 
     * HTML類型,包含圖片與附件內容 
     * **/  
    HTML;  


    @Override  
    public String toString() {  
        String message = null;  
        switch (this) {  
        case TEXT:  
            message = "發送文本消息";  
            break;  
        case HTML :  
            message = "發送html消息";     
            break;  
        }  
        return message;  
    }  
}

3 讀取配置文件類:ReadConfigEmail

public class ReadConfigEmail {  

    private static Properties mailProps = new Properties();  
    private static final String EMAILPROPERTIES = "mail.properties";  

    static {  
        try {  
            InputStream inStream = ReadConfigEmail.class.getClassLoader()  
                    .getResourceAsStream(EMAILPROPERTIES);  
            mailProps.load(inStream);  
        } catch (Exception ex) {  
            throw new RuntimeException("讀取配置文件出錯了..." + ex.getMessage(), ex);  
        }  
    }  

    public static Properties getProperty() {  
        return mailProps;  
    }  

    public static String getPropertyByKey(String key) {  
        return mailProps.getProperty(key);  
    }  

}

4 消息對象:SendMessage

public class SendMessage {  

    private String [] tos;  
    private String subject;  

    private String imgName;  
    private File file;  
    private MailType mailType;   

    private String form;  

    private List<String> texts = new ArrayList<String>();  

    //圖片集合  
    private List<SendMessage> images = new ArrayList<SendMessage>();  

    public MailType getMailType() {  
        return mailType;  
    }  


    public void setMailType(MailType mailType) {  
        this.mailType = mailType;  
    }  


    public void addFile(MailType mailType,String imgName,File file){  
        images.add(new SendMessage(mailType,imgName,file));  
    }  

    public void addText(String text){  
        texts.add(text);  
    }  


    public SendMessage(MailType mailType,String imgName, File file) {  
        super();  
        this.mailType =  mailType;  
        this.imgName = imgName;  
        this.file = file;  
    }  



    public List<SendMessage> getImages() {  
        return images;  
    }  
    public void setImages(List<SendMessage> images) {  
        this.images = images;  
    }  
    public String getForm() {  
        return form;  
    }  
    public void setForm(String form) {  
        this.form = form;  
    }  
    public String getImgName() {  
        return imgName;  
    }  
    public void setImgName(String imgName) {  
        this.imgName = imgName;  
    }  

    public String[] getTos() {  
        return tos;  
    }  
    public void setTos(String[] tos) {  
        this.tos = tos;  
    }  
    public String getSubject() {  
        return subject;  
    }  
    public void setSubject(String subject) {          
        this.subject = subject;  
    }  

    public SendMessage() {  

    }  
    public SendMessage(String[] tos, String subject, String text) {  
        super();  
        this.tos = tos;  
        this.subject = subject;  
        addText(text);  
    }  

    public String getSendTexts(){  
        StringBuilder sbr = new StringBuilder();  
        List<String> texts = getTexts();  
        for(String text : texts){  
            sbr.append(text);  
        }  
        return sbr.toString();  
    }  

    @Override  
    public String toString() {  
        StringBuilder sbrTos = new StringBuilder();  
        for(String to : tos){  
            sbrTos.append(to).append(",");  
        }  
        String sbrText = sbrTos.substring(0,sbrTos.length()-1);  
        return new StringBuilder()  
        .append("接收人地址: ").append(sbrText)  
        .append(",發送人地址: ").append(form)  
        .append(",發送標題: ").append(subject)  
        .append(",發送內容: ").append(getSendTexts())  
        .toString();  
    }  
    public File getFile() {  
        return file;  
    }  
    public void setFile(File file) {  
        this.file = file;  
    }  


    public List<String> getTexts() {  
        return texts;  
    }  


    public void setTexts(List<String> texts) {  
        this.texts = texts;  
    }  

}

5 郵件發送服務器:JavaMailFactory

public class JavaMailFactory {  

    /*** 
     * 此處也可修改爲 
     * private JavaMailSenderImpl javaMailSenderImpl; 
     * ... 省略set,get,方便使用spring注入 
     * */  

    private static JavaMailSenderImpl senderImpl = new JavaMailSenderImpl();  

    static{  
        senderImpl.setHost(EmailEntity.EMAIL_HOST);  
        senderImpl.setUsername(EmailEntity.EMAIL_USERNAME);   
        senderImpl.setPassword(EmailEntity.EMAIL_PASSWORD);           
        senderImpl.setJavaMailProperties(EmailEntity.safetyProperties);  
    }  

    public static JavaMailSenderImpl getJavaMail(){   
        return senderImpl;  
    }  
}

6 Email實體:EmailEntity

public class EmailEntity {  

    /**郵件服務器*/  
    private static final String EMAIL_HOST_KEY = "mail.host";  
    public static final String EMAIL_HOST = ReadConfigEmail.getPropertyByKey(EMAIL_HOST_KEY);  

    /**用戶名*/  
    private static final String EMAIL_USERNAME_KEY = "mail.username";  
    public static final String EMAIL_USERNAME = ReadConfigEmail.getPropertyByKey(EMAIL_USERNAME_KEY);  

    /**用戶密碼*/  
    private static final String EMAIL_PASSWORD_KEY = "mail.password";  
    public static final String EMAIL_PASSWORD = ReadConfigEmail.getPropertyByKey(EMAIL_PASSWORD_KEY);     

    /**接收人*/  
    private static final String EMAIL_TO_KEY = "mail.to";  
    public static final String EMAIL_TO = ReadConfigEmail.getPropertyByKey(EMAIL_TO_KEY);  

    /**發送人*/  
    private static final String EMAIL_FROM_KEY = "mail.from";  
    public static final String EMAIL_FROM = ReadConfigEmail.getPropertyByKey(EMAIL_FROM_KEY);     

    /**服務器進行認證,認證用戶名和密碼是否正確*/  
    private static final String EMAIL_SMTP_AUTH_KEY = "mail.smtp.auth";  
    public static final String EMAIL_SMTP_AUTH = ReadConfigEmail.getPropertyByKey(EMAIL_SMTP_AUTH_KEY);  

    /**超時時間設定*/  
    private static final String EMAIL_SMTP_TIMEOUT_KEY = "mail.smtp.timeout";  
    public static final String EMAIL_SMTP_TIMEOUT = ReadConfigEmail.getPropertyByKey(EMAIL_SMTP_TIMEOUT_KEY);  


    /**編碼設置*/  
    private static final String EMAIL_ENCODING_KEY = "mail.encoding";  
    public static final String EMAIL_ENCODING = ReadConfigEmail.getPropertyByKey(EMAIL_ENCODING_KEY);  

    private static final String EMAIL_SMTP_STARTTLS_KEY = "mail.smtp.starttls.enable";  
    public static final String EMAIL_SMTP_STARTTLS = ReadConfigEmail.getPropertyByKey(EMAIL_SMTP_STARTTLS_KEY);  

    //private static final String EMAIL_SMTP_SOCKETFACTORY_CLASS_KEY = "mail.smtp.socketFactory.class";  
    //public static final String EMAIL_SMTP_SOCKETFACTORY_CLASS = ReadConfigEmail.getPropertyByKey(EMAIL_SMTP_SOCKETFACTORY_CLASS_KEY);  


    /**安全認證設置*/  
    public static Properties safetyProperties = new Properties();  

    static{  
        //調試信息,可以取消  
        //System.setProperty( "javax.net.debug", "ssl");          
        /** 
         * #配置JavaMail的Properties時，不要指定“mail.smtp.socketFactory.class”， 
           #因爲TLS使用的是普通的Socket。然後指定屬性“mail.smtp.starttls.enable”爲“true”。 
         * */         
        safetyProperties.put(EMAIL_SMTP_AUTH_KEY, EMAIL_SMTP_AUTH);   
        safetyProperties.put(EMAIL_SMTP_TIMEOUT_KEY, EMAIL_SMTP_TIMEOUT);   
        safetyProperties.put(EMAIL_SMTP_STARTTLS_KEY, EMAIL_SMTP_STARTTLS);   
        //safetyProperties.put(EMAIL_SMTP_SOCKETFACTORY_CLASS_KEY, EMAIL_SMTP_SOCKETFACTORY_CLASS);  
    }     

}

7 MailType.java

public enum MailType {    
    /** 
     * 圖片類型 
     * */  
    IMG,  
    /** 
     * 文件類型 
     * */  
    FILE;  

    @Override  
    public String toString() {  
        String message = null;  
        switch (this) {       
        case IMG :  
            message = ",包含圖片";  
        default:  
            message = ",包含附件";  
            break;  
        }  
        return message;  
    }  
}

8 mail.properties

#新浪郵件服務器  
mail.host=smtp.sina.com  
mail.smtp.auth=true  
mail.smtp.timeout=25000  
mail.encoding=utf-8  
mail.smtp.starttls.enable=true;   
#mail.smtp.socketFactory.class=javax.net.ssl.SSLSocketFactory  
#Email地址  
mail.username=XXX  
#Email密碼   
mail.password=XXX  
#發送人地址  
mail.from=XXX@sina.com  
#收件人地址  
mail.to=XXX@163.com

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