1、自定义发送邮件添加附件功能实现

ruoyi-auth/src/main/java/com/ruoyi/auth/aop/LoginAspect.java

@@ -1,5 +1,6 @@
 package com.ruoyi.auth.aop;
 
+import cn.hutool.core.date.DateUtil;
 import com.ruoyi.system.api.model.LoginUser;
 import com.xjs.business.warning.RemoteMailFeign;
 import com.xjs.business.warning.domain.MailBean;
@@ -49,7 +50,8 @@ public class LoginAspect {
         mailBean.setRecipient(loginUser.getSysUser().getEmail());
         mailBean.setContent("<h3 style=\"color:red;\">" + loginUser.getSysUser().getNickName() + "上线啦</h3> " +
                 "<img src=\"" + loginUser.getSysUser().getAvatar() + "\" alt=\"头像\">" +
-                " <p>当前IP地址：" + loginUser.getSysUser().getLoginIp() + "</p>");
+                " <p><strong>当前IP地址：" + loginUser.getSysUser().getLoginIp() + "</strong></p>" +
+                "<p><strong>上线时间："+ DateUtil.now() +"</strong></p>");
 
         remoteMailFeign.sendMailForRPC(mailBean);
     }

ruoyi-ui/src/views/business/tools/mail/send.vue

@@ -32,6 +32,22 @@
           </el-form-item>
         </el-col>
 
+        <el-col :span="24">
+          <el-form-item label="附件" prop="file">
+            <el-upload
+              ref="upload"
+              multiple
+              :limit="3"
+              action="#"
+              :before-upload="beforeUpload"
+              :before-remove="beforeRemove"
+              :http-request="addFile"
+              :file-list="fileList">
+              <el-button size="mini" type="info">添加附件</el-button>
+            </el-upload>
+          </el-form-item>
+        </el-col>
+
         <!--md内容 -->
         <el-col :span="24">
           <el-form-item label="邮件内容" prop="content">
@@ -70,8 +86,7 @@ export default {
         recipient: undefined,
         recipientSuffix: undefined,
         content: undefined,
-
-
+        file:[]
       },
 
       rules: {
@@ -94,6 +109,8 @@ export default {
         ]
       },
 
+      fileList: [],
+
     }
   },
 
@@ -111,13 +128,17 @@ export default {
       this.$refs['elForm'].validate(valid => {
         if (!valid) return
 
-        let data = {
-          subject: this.formData.subject,
-          recipient: this.formData.recipient + this.formData.recipientSuffix,
-          content: this.formData.content
+        let formData = new FormData();
+        let files = this.formData.file;
+        for (let i = 0; i < files.length; i++) {
+          formData.append("fileList", files[i]);
         }
-        this.$modal.loading("请稍后...")
-        sendMail(data).then(res => {
+        formData.append("subject", this.formData.subject);
+        formData.append("content", this.formData.content);
+        formData.append("recipient", this.formData.recipient + this.formData.recipientSuffix);
+
+        this.$modal.loading("正在发送，请稍后...")
+        sendMail(formData).then(res => {
           this.$modal.notifySuccess("发送成功")
           this.$modal.closeLoading()
           this.formData.subject = ""
@@ -130,6 +151,27 @@ export default {
 
       })
     },
+
+    addFile() {
+
+    },
+
+    //上传文件之前
+    beforeUpload(file) {
+      console.log(file)
+      this.formData.file.push(file)
+    },
+
+    //删除文件之前
+    beforeRemove(file) {
+      let fileList =this.formData.file
+      for (let i = 0; i < fileList.length; i++) {
+        if (fileList[i].uid===file.uid) {
+          fileList.splice(i,1)
+        }
+      }
+    },
+
   }
 }
 </script>

xjs-business/xjs-business-warning/pom.xml

@@ -9,6 +9,18 @@
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <name>业务模块-预警模块</name>
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>9</source>
+                    <target>9</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
 
     <artifactId>xjs-business-warning</artifactId>
 

xjs-business/xjs-business-warning/src/main/java/com/xjs/controller/MailController.java

@@ -31,10 +31,11 @@ public class MailController {
     @PostMapping("send-mail")
     @ApiOperation("发送邮件")
     @Log(title = "发送邮件", businessType = BusinessType.INSERT)
-    public AjaxResult sendMail(@RequestBody MailVo mailVo) {
+    public AjaxResult sendMail(MailVo mailVo) {
         MailBean mailBean = new MailBean();
         BeanUtils.copyProperties(mailVo, mailBean);
-        mailBean.setMailType(MailBean.MailType.HTML);
+        mailBean.setMailType(MailBean.MailType.ATTACHMENT);
+
         mailService.sendMail(mailBean);
         return AjaxResult.success();
     }

xjs-business/xjs-business-warning/src/main/java/com/xjs/domain/mall/MailBean.java

@@ -1,6 +1,7 @@
 package com.xjs.domain.mall;
 
 import lombok.Data;
+import org.springframework.web.multipart.MultipartFile;
 
 import java.io.Serializable;
 
@@ -38,6 +39,13 @@ public class MailBean implements Serializable {
      */
     private String absolutePath;
 
+    /**
+     * 文件列表
+     */
+    private MultipartFile[] fileList;
+
+
+
     /**
      * 邮件发送类型
      */

xjs-business/xjs-business-warning/src/main/java/com/xjs/domain/mall/MailVo.java

@@ -1,5 +1,8 @@
 package com.xjs.domain.mall;
 
+import lombok.Data;
+import org.springframework.web.multipart.MultipartFile;
+
 import java.io.Serializable;
 
 /**
@@ -7,7 +10,7 @@ import java.io.Serializable;
  * @author xiejs
  * @since 2022-04-14
  */
-
+@Data
 public class MailVo implements Serializable {
     private static final long serialVersionUID = -1L;
 
@@ -24,36 +27,9 @@ public class MailVo implements Serializable {
      */
     private String content;
 
-    @Override
-    public String toString() {
-        return "MailVo{" +
-                "recipient='" + recipient + '\'' +
-                ", subject='" + subject + '\'' +
-                ", content='" + content + '\'' +
-                '}';
-    }
-
-    public String getRecipient() {
-        return recipient;
-    }
-
-    public void setRecipient(String recipient) {
-        this.recipient = recipient;
-    }
-
-    public String getSubject() {
-        return subject;
-    }
-
-    public void setSubject(String subject) {
-        this.subject = subject;
-    }
-
-    public String getContent() {
-        return content;
-    }
+    /**
+     * 文件列表
+     */
+    private MultipartFile[] fileList;
 
-    public void setContent(String content) {
-        this.content = content;
-    }
 }

xjs-business/xjs-business-warning/src/main/java/com/xjs/server/MailServer.java

@@ -6,11 +6,13 @@ import com.xjs.domain.mall.MailBean;
 import lombok.extern.log4j.Log4j2;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
+import org.springframework.core.io.ByteArrayResource;
 import org.springframework.core.io.FileSystemResource;
 import org.springframework.mail.SimpleMailMessage;
 import org.springframework.mail.javamail.JavaMailSender;
 import org.springframework.mail.javamail.MimeMessageHelper;
 import org.springframework.stereotype.Component;
+import org.springframework.web.multipart.MultipartFile;
 import org.thymeleaf.TemplateEngine;
 import org.thymeleaf.context.Context;
 
@@ -18,6 +20,9 @@ import javax.annotation.Resource;
 import javax.mail.MessagingException;
 import javax.mail.internet.MimeMessage;
 import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Objects;
 import java.util.concurrent.TimeUnit;
 
 import static com.xjs.consts.RedisConst.MAIL_STATUS;
@@ -131,7 +136,7 @@ public class MailServer {
      *
      * @param mailBean 邮箱实体
      */
-    private void sendAttachmentMail(MailBean mailBean) throws MessagingException {
+    private void sendAttachmentMail(MailBean mailBean) throws MessagingException, IOException {
         MimeMessage mimeMailMessage = null;
         try {
             mimeMailMessage = javaMailSender.createMimeMessage();
@@ -140,15 +145,24 @@ public class MailServer {
             mimeMessageHelper.setFrom(MAIL_SENDER);
             mimeMessageHelper.setTo(mailBean.getRecipient());
             mimeMessageHelper.setSubject(mailBean.getSubject());
-            mimeMessageHelper.setText(mailBean.getContent());
-            //文件路径 目前写死在代码中，之后可以当参数传过来，或者在MailBean中添加属性absolutePath
-            FileSystemResource file = new FileSystemResource(new File(mailBean.getAbsolutePath()));
-            //FileSystemResource file = new FileSystemResource(new File("src/main/resources/static/image/email.png"));
-            String fileName = mailBean.getAbsolutePath().substring(mailBean.getAbsolutePath().lastIndexOf(File.separator));
-            //添加附件,第一个参数表示添加到 Email 中附件的名称，第二个参数是图片资源
-            mimeMessageHelper.addAttachment(fileName, file);
-            //多个附件
-            //mimeMessageHelper.addAttachment(fileName1, file1);
+            mimeMessageHelper.setText(mailBean.getContent(), true);
+
+            //发送附件
+            if (mailBean.getFileList() != null && mailBean.getFileList().length > 0) {
+                for (MultipartFile multipartFile : mailBean.getFileList()) {
+                    InputStream inputStream = null;
+                    try {
+                        inputStream = multipartFile.getInputStream();
+                        byte[] bytes = inputStream.readAllBytes();
+                        ByteArrayResource bar = new ByteArrayResource(bytes);
+                        mimeMessageHelper.addAttachment(Objects.requireNonNull(multipartFile.getOriginalFilename()), bar);
+                    } finally {
+                        if (inputStream != null) {
+                            inputStream.close();
+                        }
+                    }
+                }
+            }
 
             javaMailSender.send(mimeMailMessage);
         } catch (Exception e) {