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分析
工作中难免会用到邮箱服务，这里整理了五种邮件发送模式：发送文本邮件，发送HTML邮件，发送附件邮件，发送内联资源邮件，发送模板邮件。以供大家学习参考。最后实战部分模拟邮箱注册含源码。
看一下图（有图有真相）
提前准备
pom.xml 配置
<!-- 添加spring-boot-starter-mail包引用 -->
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-mail</artifactId>
</dependency>
</dependencies>application.properties中添加邮箱配置
#邮箱服务器地址
spring.mail.protocol=smtp
spring.mail.host=smtp.qq
#邮箱服务器地址
spring.mail.username=************@qq
#邮箱密码
spring.mail.password=***********
spring.mail.default-encoding=UTF-8
spring.mail.properties.mail.smtp.auth=true
spring.mail.properties.mail.smtp.starttls.enable=true
spring.mail.properties.mail.smtp.starttls.required=true注意：若是QQ spring.mail.password=QQ授权码，需要开启QQ授权码
发送简单文本邮件
@RunWith(SpringRunner.class)
@SpringBootTest
public class EmailTests {
@Autowired
private JavaMailSender javaMailSender;
@Autowired
private TemplateEngine templateEngine;
//读取配置文件中的参数
@Value("${spring.mail.username}")
private String sender;
private static final String recipient = "*************@163" ;
/**
* 发送简单文本邮件
*/
@Test
public void sendSimpleEmail() {
SimpleMailMessage message = new SimpleMailMessage();
// 发送者
message.setFrom(sender);
// 接收者
message.setTo(recipient);
//邮件主题
message.setSubject("主题：文本邮件");
// 邮件内容
message.setText("骚扰邮件勿回");
javaMailSender.send(message);
}
}发送HTML邮件
新增发送HTML邮件测试方法
/**
* 发送Html邮件
*/
@Test
public void sendHtmlEmail() {
MimeMessage message = javaMailSender.createMimeMessage();
try {
MimeMessageHelper helper = new MimeMessageHelper(message, true);
helper.setFrom(sender);
helper.setTo(recipient);
helper.setSubject("主题：HTML邮件");
StringBuffer sb = new StringBuffer();
sb.append("<h1>大标题-h1</h1>")
.append("<p style='color:#F00'>红色字</p>")
.append("<p style='text-align:right'>右对齐</p>");
helper.setText(sb.toString(), true);
} catch (MessagingException e) {
throw new RuntimeException("Messaging Exception !", e);
}
javaMailSender.send(message);
}发送内联资源邮件
新增发送内联资源邮件测试方法
/**
* 发送内联资源邮件
*/
@Test
public void sendInlineResourceMail() {
MimeMessage message = javaMailSender.createMimeMessage();
try {
MimeMessageHelper helper = new MimeMessageHelper(message, true);
helper.setFrom(sender);
helper.setTo(recipient);
helper.setSubject("主题：这是有图片的邮件");
String imgId = "avatar";
String content="<html><body>宫崎骏电影图片：<img src=\'cid:" + imgId + "\' ></body></html>";
helper.setText(content, true) ;
FileSystemResource res = new FileSystemResource(new File("src/main/resources/static/images/avatar.jpg"));
helper.addInline(imgId, res);
} catch (MessagingException e) {
throw new RuntimeException("Messaging Exception !", e);
}
javaMailSender.send(message);
}发送模板邮件 重点
pom中导入thymeleaf的包
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>新增模板emailTemplate.html
<!DOCTYPE html>
<html lang="zh" xmlns:th="http://www.thymeleaf">
<head>
<meta charset="UTF-8"/>
<title>Javazhan验证邮件</title>
</head>
<body>
您好,这是验证邮件,请点击下面的链接完成验证,
<a href="#" th:href="@{ http://www.javazhan/user/activation/{id}(id=${id}) }">激活账号</a>。
</body>
</html>新增发送模板邮件测试方法
/**
* 发送模板邮件
*/
@Test
public void sendTemplateMail() {
MimeMessage message = javaMailSender.createMimeMessage();
try {
MimeMessageHelper helper = new MimeMessageHelper(message, true);
helper.setFrom(sender);
helper.setTo(recipient);
helper.setSubject("主题：模板邮件");
Context context = new Context();
context.setVariable("id", "wenter");
String emailContent = templateEngine.process("emailTemplate", context);
helper.setText(emailContent, true);
} catch (MessagingException e) {
throw new RuntimeException("Messaging Exception !", e);
}
javaMailSender.send(message);
}注：很多时候邮采用异步的方式来发送邮件，加快主交易执行速度，在实际项目中可以采用MQ发送邮件相关参数，监听到消息队列之后启动发送邮件。
实战部分模拟邮箱注册
很多网站都支持邮箱注册，以下将实现邮箱注册
功能：支持登录，注册，激活，重置密码。
效果如图
注册成功
未激活登录
激活邮件 去激活
激活后，登录成功
重置密码
重置密码邮件
输入之前的密码登陆
输入重置密码登陆
错误邮箱提示
代码
引入架包，修改pom.xml
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context-support</artifactId>
<version>RELEASE</version>
</dependency>
<!-- 模板引擎 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-mail</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<!-- https://mvnrepository/artifact/com.google.code.gson/gson -->
<dependency>
<groupId>com.google.code.gson</groupId>
<artifactId>gson</artifactId>
<version>2.8.2</version>新建实体类User.java与RequestData.java
略了（看代码）
导入静态资源
css/js/….
编写js
$("#js-btn").click(function() {
var data = {} ;
var name = $("#js-btn").attr('class') ;
var url = "" ;
if(name.indexOf("rtn")>0) {
data.userEmail = $("#js-field__email").val() ;
data.userPass = $("#js-field__pass").val() ;
url = "/user/login" ;
} else if(name.indexOf("new")>0) {
data.userEmail = $("#js-field__email").val() ;
data.userPass = $("#js-field__pass").val() ;
data.userRepass = $("#js-field__r-pass").val() ;
url = "/user/register" ;
} else if(name.indexOf("rst")>0) {
data.userEmail = $("#js-field__email").val() ;
url = "/user/forget" ;
}
submit(data, url) ;
});
function submit(data,url) {
$.ajax({
cache: !1,
type: "POST",
url: url,
data: data,
async: !0,
beforeSend: function () {
$("#js-btn").html("提交中..."), $("#js-btn").attr("disabled", "disabled")
},
success: function (data) {
var result = jQuery.parseJSON(data);
layer.alert(result.message);
},
complete: function () {
$("#js-btn").html("success"), $("#js-btn").removeAttr("disabled")
}
})
}编写controler
/**
* Created by yando on 2017/11/22.
*/
@RestController
@RequestMapping(value = "user")
public class UserController {
@Autowired
private JavaMailSender javaMailSender;
@Autowired
private TemplateEngine templateEngine;
@Value("${spring.mail.username}")
private String sender;
private RequestData requestData = new RequestData() ;
public static Map<String, User> map = new HashMap<String, User>();
@RequestMapping(value = "login", method = RequestMethod.POST)
public String login(User user) {
for(User u : map.values()) {
if(u!=null && u.getUserPass().equals(user.getUserPass()) && u.getUserEmail().equals(user.getUserEmail())) {
if(u.getState()==0) {
requestData.setCode("9999");
requestData.setState("500");
requestData.setMessage("请前往"+user.getUserEmail()+"邮箱激活");
return new Gson().toJson(requestData);
}
requestData.setMessage("登录成功");
return new Gson().toJson(requestData);
}
}
requestData.setCode("9999");
requestData.setState("500");
requestData.setMessage("邮箱或者密码错误");
return new Gson().toJson(requestData);
}
@RequestMapping(value = "register", method = RequestMethod.POST)
public String register(User user) {
map.put(user.getUserId(), user);
// 发送注册邮件
sendTemplateMail(user.getUserEmail(), user.getUserId());
requestData.setMessage("注册成功, 快去激活");
return new Gson().toJson(requestData);
}
@RequestMapping(value = "forget", method = RequestMethod.POST)
public String forget(User user) {
for(User u : map.values()) {
if(u!=null || u.getUserEmail()== user.getUserEmail()) {
u.setUserPass("6666");
map.remove(u.getUserId());
map.put(u.getUserId(), u);
requestData.setMessage("密码已经重置，快去查看你的邮箱");
sendSimpleEmail(u.getUserEmail(), "您好，您密码已重置，初始密码：6666，为了你的安全请尽快修改密码。");
return new Gson().toJson(requestData);
}
}
requestData.setCode("9999");
requestData.setState("500");
requestData.setMessage("无效邮箱");
return new Gson().toJson(requestData);
}
@RequestMapping(value = "activation/{userId}", method = RequestMethod.GET)
public void activation(@PathVariable String userId, HttpServletResponse response) throws IOException {
User user = map.get(userId);
if(user!=null) {
user.setState(1);
map.remove(user.getUserId());
map.put(user.getUserId(), user);
}
response.sendRedirect("../../login.html");
}
public void sendSimpleEmail(String recipient,String text) {
SimpleMailMessage message = new SimpleMailMessage();
// 发送者
message.setFrom(sender);
// 接收者
message.setTo(recipient);
//邮件主题
message.setSubject("Java资源分享网密码重置邮件");
// 邮件内容
message.setText(text);
javaMailSender.send(message);
}
public void sendTemplateMail(String recipient,String userId) {
MimeMessage message = javaMailSender.createMimeMessage();
try {
MimeMessageHelper helper = new MimeMessageHelper(message, true);
helper.setFrom(sender);
helper.setTo(recipient);
helper.setSubject("Java资源分享网验证邮件");
Context context = new Context();
context.setVariable("id", userId);
String emailContent = templateEngine.process("emailTemplate", context);
helper.setText(emailContent, true);
} catch (MessagingException e) {
throw new RuntimeException("Messaging Exception !", e);
}
javaMailSender.send(message);
}
}
结束了
执行RunApplication.java，看效果吧。
请测试邮件用自己的 不要给博主造成不必要的影响 谢谢
源码下载
SpringBoot进阶邮件服务(实战模拟邮箱注册含源码)
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