封装java发送邮件，简化开发流程。支持freemarker、velocity、markdown，支持附件。可以自己定义邮件模板类型。只需要实现
com.luckysweetheart.email.template.Template接口，你需要做的就是实现你的模板解析方法。
尽管支持这么多模板引擎，还是建议使用freemarker模板。之前看到有人做过测试，freemarker的效率比其他模板都要高。
配置：
spring.mail.username=your username
spring.mail.password=your password
spring.mail.host=your host
spring.mail.port=your port
spring.mail.protocol=your protocol
spring.mail.debug=true
# 如果你用的不是freemarker 模板 这项就不要指定了。
spring.mail.template.path=classpath:/META-INF/template/ spring-context.xml:
<beans>
<!--springUtil-->
<bean id="springUtil" class="com.luckysweetheart.email.util.SpringUtil"/>
<!--引入配置文件-->
<context:property-placeholder location="classpath:/META-INF/config/app.properties" ignore-unresolvable="true"/>
<!--初始化邮件客户端-->
<bean class="com.luckysweetheart.email.client.EmailClient" id="emailClient" init-method="init">
<constructor-arg name="username" value="${spring.mail.username}"/>
<constructor-arg name="password" value="${spring.mail.password}"/>
<constructor-arg name="host" value="${spring.mail.host}"/>
<constructor-arg name="port" value="${spring.mail.port}"/>
<constructor-arg name="protocol" value="${spring.mail.protocol}"/>
<constructor-arg name="debug" value="${spring.mail.debug}"/>
</bean>
<!--freemarker解析器-->
<bean id="freemarkerTemplateParser" class="com.luckysweetheart.email.parser.executor.FreemarkerTemplateParser">
<property name="emailClient" ref="emailClient"/>
</bean>
<!--邮件发送执行者-->
<bean class="com.luckysweetheart.email.sender.EmailSenderExecutor" id="emailSenderExecutor">
<property name="emailClient" ref="emailClient"/>
</bean>
<!--freemarker模板配置-->
<bean id="freeMarker" class="org.springframework.web.servlet.view.freemarker.FreeMarkerConfigurer">
<property name="templateLoaderPath" value="${spring.mail.template.path}"/><!--指定模板文件目录-->
<property name="freemarkerSettings"><!-- 设置FreeMarker环境属性-->
<props>
<prop key="template_update_delay">1800</prop><!--刷新模板的周期，单位为秒-->
<prop key="default_encoding">UTF-8</prop><!--模板的编码格式 -->
<prop key="locale">zh_CN</prop><!-- 本地化设置-->
</props>
</property>
</bean>
<!--velocity配置-->
<bean class="org.apache.velocity.app.VelocityEngine" id="velocityEngine">
<constructor-arg name="p">
<props>
<prop key="resource.loader">classpath</prop>
<prop key="classpath.resource.loader.class">org.apache.velocity.runtime.resource.loader.ClasspathResourceLoader</prop>
</props>
</constructor-arg>
</bean>
<bean id="velocityTemplateParser" class="com.luckysweetheart.email.parser.executor.VelocityTemplateParser">
<property name="velocityEngine" ref="velocityEngine"/>
</bean>
</beans>发送邮件：
public class App{
public static void main(String[] args) throws MessagingException {
ApplicationContext applicationContext = new ClassPathXmlApplicationContext("classpath:/META-INF/spring/spring-context.xml");
EmailClient client = applicationContext.getBean(EmailClient.class);
// 测试邮件是否可以连接
client.testConnection();
EmailSender sender = applicationContext.getBean(EmailSender.class);
// freemarker 变量
Map<String,Object> map = new HashMap<>();
map.put("a","yangxin");
map.put("b","liujunyu");
// freemarker 模板
// 配置文件中 已配置了模板文件的路径，相当于classpath:/META-INF/template/test.ftl
EmailTemplateMessage emailMessageData = EmailTemplateMessage.create().template(new FreemarkerTemplate(Demo.TEST.getPath(),map)).subject("subject4").to("[email protected]").attach("C:\\Users\\Developer5\\Desktop\\LuckDraw\\images\\bg.png");
sender.send(emailMessageData);
// velocity 模板
EmailTemplateMessage emailMessageData = EmailTemplateMessage.create().template(new VelocityTemplate(Demo.VELOCITY.getPath(),map)).subject("subject4").to("[email protected]").attach("C:\\Users\\Developer5\\Desktop\\LuckDraw\\images\\bg.png");
sender.send(emailMessageData);
// markdown 文件
MarkDownMessage message = new MarkDownMessage();
message.setPath("E:\\study\\code\\email-service\\Test.md");
message.setSubject("test markdown");
List<String> to = new ArrayList<>();
to.add("[email protected]");
message.setTo(to);
sender.send(message);
// 纯文本内容发送
TextMessage textMessage = new TextMessage();
textMessage.setContent("aaaaaaa");
textMessage.setSubject("测试纯文本内容");
textMessage.setTo(to);
sender.send(textMessage);
}
}
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