spring发送email的使用工具类

我根据《spring 3.x企业应用开发实战》这本书，参考完成了一个spring关于email的工具类。做一下笔记:

import java.io.File;import java.util.List;import java.util.Map;import javax.mail.MessagingException;import javax.mail.internet.MimeMessage;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.core.io.ClassPathResource;import org.springframework.core.io.FileSystemResource;import org.springframework.core.io.Resource;import org.springframework.mail.SimpleMailMessage;import org.springframework.mail.javamail.JavaMailSender;import org.springframework.mail.javamail.MimeMessageHelper;import org.springframework.stereotype.Service;import org.springframework.ui.freemarker.FreeMarkerTemplateUtils;import org.springframework.web.servlet.view.freemarker.FreeMarkerConfigurer;import freemarker.template.Template;@Servicepublic class MailService {    @Autowired    private JavaMailSender sender;    @Autowired    private FreeMarkerConfigurer freeMarkerConfigurer;   /**    * 发送纯文本形式的email    * @param toEmail 收件人邮箱    * @param title 邮件标题    * @param content 邮件内容    */    public void sendTextMail(String toEmail,String title,String content) {        SimpleMailMessage msg = new SimpleMailMessage();        msg.setFrom("[e-mail]");        msg.setTo(toEmail);        msg.setSubject(title);        msg.setText(content);        sender.send(msg);    }    /**     * 发送带有html的内容     *      * @param userId     * @throws MessagingException     */    public void sendHtmlMail(String toEmail,String title,String htmlContent) throws MessagingException {        MimeMessage msg = sender.createMimeMessage();        MimeMessageHelper helper = new MimeMessageHelper(msg, false, "utf-8");        helper.setFrom("[e-mail]");        helper.setTo(toEmail);        helper.setSubject(title);        helper.setText(htmlContent, true);        sender.send(msg);    }    /**     * 添加附件的email发送     * @param toEmail 收件人地址     * @param title 邮件标题     * @param content 文本内容      * @param aboutFiles 附件信息 每个子项都是一个文件相关信息的map     *              Map<String,String>:     *                  1.filePath   2.fileName     * @throws Exception 异常     */    public void sendAttachmentMail(String toEmail,String title,String content,List<Map<String,String>> aboutFiles) throws Exception {        MimeMessage msg = sender.createMimeMessage();        MimeMessageHelper helper = new MimeMessageHelper(msg, true, "utf-8");        helper.setFrom("[e-mail]");        helper.setTo(toEmail);        helper.setSubject(title);        helper.setText(content);        Resource resource = null;        for(Map<String,String> file : aboutFiles){            resource = new FileSystemResource(file.get("filePath"));            if(resource.exists()){//是否存在资源                 File attachmentFile = resource.getFile();                helper.addAttachment(file.get("fileName"), attachmentFile);            }        }        sender.send(msg);    }           /**     * 使用freemarker模板进行发送     * @param toEmail 收件人邮箱     * @param title 标题     * @param templateName 模板名称 模板都放在类路径下的mailtemp下     * @param templateNameParams 模板中的参数，其中${key} 要使用map去进行替换     * @throws MessagingException 异常     */    public void sendTemplateMail(String toEmail,String title,String templateName,Map<String,Object> templateNameParams) throws MessagingException {        MimeMessage msg = sender.createMimeMessage();        MimeMessageHelper helper = new MimeMessageHelper(msg, false, "utf-8");        helper.setFrom("[e-mail]");        helper.setTo(toEmail);        helper.setSubject(title);        String htmlText = getMailText(templateName,templateNameParams);        helper.setText(htmlText, true);        sender.send(msg);    }            /**     * 使用freemarker模板+附件进行发送     * @param toEmail 收件人邮箱     * @param title 标题     * @param templateName 模板名称 模板都放在类路径下的mailtemp下     * @param templateNameParams 模板中的参数，其中${key} 要使用map去进行替换     * @param aboutFiles 附件信息 每个子项都是一个文件相关信息的map     *              Map<String,String>:     *                  1.filePath   2.fileName     * @throws Exception 异常     */    public void sendTemplateMail(String toEmail,String title,String templateName,Map<String,Object> templateNameParams,List<Map<String,String>> aboutFiles) throws Exception {        MimeMessage msg = sender.createMimeMessage();        MimeMessageHelper helper = new MimeMessageHelper(msg, true, "utf-8");        helper.setFrom("[e-mail]");        helper.setTo(toEmail);        helper.setSubject(title);        String htmlText = getMailText(templateName,templateNameParams);        Resource resource = null;        for(Map<String,String> file : aboutFiles){            resource = new FileSystemResource(file.get("filePath"));            if(resource.exists()){//是否存在资源                 File attachmentFile = resource.getFile();                helper.addAttachment(file.get("fileName"), attachmentFile);            }        }        helper.setText(htmlText, true);        sender.send(msg);    }        /**     * 获取模板信息并且替换     *      * @param userId     * @return     */    private String getMailText(String templateName,Map<String,Object> templateNameParams) {        String htmlText = null;        try {            Template tpl = freeMarkerConfigurer.getConfiguration().getTemplate(templateName);            htmlText = FreeMarkerTemplateUtils.processTemplateIntoString(tpl,templateNameParams);        } catch (Exception e) {            throw new RuntimeException(e);        }        return htmlText;    }                                            /**     * 发送带有图片内容的邮件 不建议使用这个  使用模板的那个就ok了、     *      * @throws MessagingException     */    @Deprecated    public void sendInMIMEMail() throws MessagingException {        MimeMessage msg = sender.createMimeMessage();        MimeMessageHelper helper = new MimeMessageHelper(msg, true, "utf-8");        helper.setFrom("[e-mail]");        helper.setTo("[e-mail]");        helper.setSubject("注册成功");        String htmlText = "<html><head>"                + "<meta http-equiv=\"content-type\" content=\"text/html; charset=utf-8\">"                + "</head><body>" + "欢迎访问xxx论坛！</hr>"                + "<div><img src=\"cid:img01 \"></img></div>" // 特殊标示 cid:...                + "</body></html>";        helper.setText(htmlText, true);        ClassPathResource img = new ClassPathResource("bbt.gif");        helper.addInline("img01 ", img);        sender.send(msg);    }}

     <!-- 配置spring 的 email服务 --><bean id="sender" class="org.springframework.mail.javamail.JavaMailSenderImpl"p:host="smtp.126.com" p:username="需要配置自己的邮箱" p:password="需要配置自己的邮箱密码"><property name="javaMailProperties"><props><prop key="mail.smtp.auth">true</prop></props></property></bean><!-- 配置使用freemarker模板技术  用于生成html --><bean id="freeMarkerConfigurer" class=" org.springframework.web.servlet.view.freemarker.FreeMarkerConfigurer"p:templateLoaderPath="classpath:mailtemp"><property name="freemarkerSettings"><props><prop key="template_update_delay">1800</prop><prop key="default_encoding">UTF-8</prop><!-- <prop key="locale">zh_CN</prop> --></props></property></bean>

我在类路径下放了一个mailtemp的包，存放所有的ftl模板。

看我的测试类:

import java.util.ArrayList;import java.util.HashMap;import java.util.List;import java.util.Map;import javax.mail.MessagingException;import org.junit.Test;import org.junit.runner.RunWith;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.core.io.FileSystemResource;import org.springframework.core.io.Resource;import org.springframework.test.context.ContextConfiguration;import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;import com.richsoft.miniportal.core.utils.MailService;@RunWith(SpringJUnit4ClassRunner.class)@ContextConfiguration("classpath:applicationContext-*.xml")public class MailServiceTest {    @Autowired    MailService ms;    @Test    public void sendTextMailTest(){    }        @Test    public void sendAttachmentMailTest(){        List<Map<String,String>> aboutFiles = new ArrayList<Map<String,String>>();        Map<String,String> item= new HashMap<String,String>();        item.put("filePath", "D:\\jcrop.html");        item.put("fileName", "附件啦啦啦.html");        aboutFiles.add(item);        try {            ms.sendAttachmentMail("[e-mail]", "我是普迅啦啦啦啦", "非常不错", aboutFiles);        } catch (Exception e) {            e.printStackTrace();        }    }        @Test    public void sendTemplateMailTest(){        Map<String,Object> params = new HashMap<String, Object>();        params.put("mark", "1234543543");        try {            ms.sendTemplateMail("[e-mail]", "我只是一个模板信息", "registerSucc.ftl", params);        } catch (MessagingException e) {            e.printStackTrace();        }    }        @Test    public void sendTemplateMailAttachmentTest(){        Map<String,Object> params = new HashMap<String, Object>();        params.put("mark", "1234543543");                //附件参数        List<Map<String,String>> aboutFiles = new ArrayList<Map<String,String>>();        Map<String,String> item= new HashMap<String,String>();        item.put("filePath", "D:\\jcrop.html");        item.put("fileName", "附件啦啦啦.html");        aboutFiles.add(item);                try {            ms.sendTemplateMail("[e-mail]", "我只是一个模板信息", "registerSucc.ftl", params,aboutFiles);        } catch (Exception e) {            e.printStackTrace();        }    }}