Spring发送邮件-java发送email

最近碰到好多新手问我发送email的问题，特此整理代码如下，以供参考，不妥之处还请指出。

以我的工程为例，需以下准备工作：

1.spring2.5.jar

2.activation.jar

3.velocity-1.6.jar

 

接下来就是写代码了。

1.封装邮件发送器

package com.haixu.platform.pub;

import java.util.Map;

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

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.velocity.app.VelocityEngine;
import org.apache.velocity.exception.VelocityException;
import org.springframework.core.io.ClassPathResource;
import org.springframework.mail.MailException;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.mail.javamail.MimeMessageHelper;
import org.springframework.ui.velocity.VelocityEngineUtils;

/**
 * 邮件发送器
 */
public class MailUtil {

    protected final Log log = LogFactory.getLog(getClass());
    
    private JavaMailSender javaMailSender;
    private VelocityEngine velocityEngine;
    private String from;
    private String title;
    private String encoding;
    private String templateLocation;
    private String[] toEmails;
    private Map<String,String> model;

    public boolean send(){
        try {
			MimeMessage msg = javaMailSender.createMimeMessage();
			MimeMessageHelper message = new MimeMessageHelper(msg, true, "UTF-8");
            message.setFrom(from);
            message.setSubject(title);
            message.setTo(toEmails);
			message.setText(getMessage(), true); // 如果发的不是html内容去掉true参数
//			message.addInline("myLogo",new ClassPathResource("img/mylogo.gif"));
//			message.addAttachment("myDocument.pdf", new ClassPathResource("doc/myDocument.pdf"));
			javaMailSender.send(msg);
            
        } catch (MessagingException e) {
        	e.printStackTrace();
            if(log.isWarnEnabled()) {
                log.warn("邮件信息导常! 邮件标题为: "+title);
            }
            return false;
        } catch (MailException me) {
        	me.printStackTrace();
            if(log.isWarnEnabled()) {
                log.warn("发送邮件失败! 邮件标题为: "+title);
            }
            return false;
        }
        return true;    
    }
    
    
    /**
     * 邮件模板中得到信息
     * @return 返回特发送的内容
     */
    private String getMessage() {
        try {
			return VelocityEngineUtils.mergeTemplateIntoString(velocityEngine, templateLocation, encoding, model);
		} catch (VelocityException e) {
			e.printStackTrace();
			log.error("邮件模板读取失败!邮件标题为: "+title);
		}
		return "";
    }

    private String[] createToEmail(String to) {
        return new String[] {to};
    }
    
    public void setToEmail(String to) {
        setToEmails(createToEmail(to));
    }
    
    public void setJavaMailSender(JavaMailSender javaMailSender) {
        this.javaMailSender = javaMailSender;
    }
    
    public void setVelocityEngine(VelocityEngine velocityEngine) {
        this.velocityEngine = velocityEngine;
    }

    public void setEncoding(String encoding) {
        this.encoding = encoding;
    }

    public void setModel(Map<String,String> model) {
        this.model = model;
    }

    public void setTemplateLocation(String templateLocation) {
        this.templateLocation = templateLocation;
    }

    public void setTitle(String title) {
        this.title = title;
    }

    public void setToEmails(String[] toEmails) {
        this.toEmails = toEmails;
    }

    public void setFrom(String from) {
        this.from = from;
    }

    public String getTemplateLocation() {
        return templateLocation;
    }
}

 

 

2.spring配置文件，applictionContext-mail.xml：

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd">

	<!-- 属性文件加载 -->
	<bean id="propertyConfigurer"
		class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
		<property name="locations">
			<list>
				<!-- <value>classpath:mail.properties</value> -->
				<value>/WEB-INF/properties/mail.properties</value>
			</list>
		</property>
	</bean>

	<!-- 邮件发送器 -->
	<bean id="mailSender" class="org.springframework.mail.javamail.JavaMailSenderImpl">
		<property name="host" value="${mail.host}" />
		<property name="username" value="${mail.username}" />
		<property name="password" value="${mail.password}" />
		<property name="defaultEncoding" value="UTF-8"></property>
		<property name="javaMailProperties">
			<props>
				<prop key="mail.smtp.auth">${mail.smtp.auth}</prop>
				<prop key="mail.smtp.timeout">${mail.smtp.timeout}</prop>
			</props>
		</property>
	</bean>

	<bean id="velocityEngine"
		class="org.springframework.ui.velocity.VelocityEngineFactoryBean">
		<property name="resourceLoaderPath" value="classpath:velocity"></property>
	</bean>

	<bean id="templateMail" class="com.haixu.platform.pub.MailUtil">
		<property name="javaMailSender" ref="mailSender"></property>
		<property name="from" value="${mail.from}"></property>
		<property name="encoding" value="UTF-8"></property>
		<property name="templateLocation" value="hello.vm"></property>
		<property name="velocityEngine" ref="velocityEngine"></property>
		<property name="title" value="www.cpuele.com"></property>
	</bean>

</beans>

 说明：模板文件放到classpath的velocity目录下，可自行改。

3.发送者邮件信息，mail.properties(WEB-INF下)：

mail.from=[e-mail]
mail.host=smtp.gmail.com
mail.password=yourpassword
mail.smtp.auth=true
mail.smtp.timeout=25000
mail.username=yourname

 

4.模板文件，hello.vm(classpath的velocity目录下)：

${username}，您好，欢迎来到恒特电器！

 

5.测试Demo

MailUtil mailUtil = (MailUtil) SpringToolListener.getApplicationContext().getBean("templateMail");
Map<String, String> data = new HashMap<String, String>();
data.put("username", "村长");
mailUtil.setTemplateLocation("hello.vm");
mailUtil.setModel(data);
mailUtil.setToEmail("[e-mail]");
mailUtil.setTitle("mail with veloctiy and spring");
mailUtil.send();

 

注意：SpringToolListener是我自己的工具类，可将上述代码替换为MailUtil mailUtil = (MailUtil) context.getBean("templateMail");

 

tomcat下测试成功。