[add]:

1. (common) pom.xml - 增加邮件依赖 ;
2. (admin) application-dev.yml - 增加邮件配置 ;
3. (framework) MailProperties, MailConfig - 增加邮件属性配置 ;
4. (common) MailUtils - 重写 Hutool MailUtil方法 ;
5. (demo) MailController - 邮件发送测试方法 ;

ruoyi-framework/src/main/java/com/ruoyi/framework/config/MailConfig.java

@@ -0,0 +1,39 @@
+package com.ruoyi.framework.config;
+
+import cn.hutool.extra.mail.MailAccount;
+import com.ruoyi.framework.config.properties.MailProperties;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+import javax.annotation.Resource;
+
+/**
+ * JavaMail 配置
+ *
+ * @author Michelle.Chung
+ */
+@Configuration
+public class MailConfig {
+
+    @Resource
+    private MailProperties mailProperties;
+
+    /**
+     * 初始化 JavaMailSender
+     */
+    @Bean
+    @ConditionalOnProperty(value = "spring.mail.enabled", havingValue = "true")
+    public MailAccount mailAccount() {
+        MailAccount account = new MailAccount();
+        account.setFrom(mailProperties.getUsername());
+        account.setUser(mailProperties.getUsername());
+        account.setPass(mailProperties.getPassword());
+        account.setPort(mailProperties.getPort());
+        account.setAuth(mailProperties.getAuth());
+        account.setDebug(mailProperties.getDebug());
+        account.setStarttlsEnable(mailProperties.getStarttlsEnable());
+        return account;
+    }
+
+}

ruoyi-framework/src/main/java/com/ruoyi/framework/config/properties/MailProperties.java

@@ -0,0 +1,65 @@
+package com.ruoyi.framework.config.properties;
+
+import lombok.Data;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.stereotype.Component;
+
+/**
+ * JavaMail 配置属性
+ *
+ * @author Michelle.Chung
+ */
+@Data
+@Component
+@ConfigurationProperties(prefix = "spring.mail")
+public class MailProperties {
+
+    /**
+     * 过滤开关
+     */
+    private String enabled;
+
+    /**
+     * 邮件服务地址
+     */
+    private String host;
+
+    /**
+     * 用户名
+     */
+    private String username;
+
+    /**
+     * 授权码 (设置 - 账户 - POP3/SMTP服务)
+     */
+    private String password;
+
+    /**
+     * 邮箱加密端口，不同邮箱的端口不一样
+     */
+    private Integer port;
+
+    /**
+     * 是否需要用户认证
+     */
+    @Value("${spring.mail.properties.mail.smtp.auth}")
+    private Boolean auth;
+
+    /**
+     * 是否启用TLS加密
+     */
+    @Value("${spring.mail.properties.mail.smtp.starttls.enable}")
+    private Boolean starttlsEnable;
+
+    @Value("${spring.mail.properties.mail.smtp.ssl.trust}")
+    private String sslTrust;
+
+    private Boolean debug;
+
+    /**
+     * 传输协议 starttls.enable = true 时为 smtps
+     */
+    private String protocol;
+
+}