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src/main/java/com/mini/capi/utils/MailUtil.java

@@ -0,0 +1,88 @@
+package com.mini.capi.utils;
+
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.mail.BodyPart;
+import javax.mail.Message;
+import javax.mail.MessagingException;
+import javax.mail.Multipart;
+import javax.mail.internet.MimeMessage;
+import java.io.IOException;
+
+public class MailUtil {
+    private static final Logger logger = LoggerFactory.getLogger(MailUtil.class);
+
+    /**
+     * 获取邮件内容
+     */
+    public static String getEmailContent(Message message) {
+        try {
+            Object content = message.getContent();
+
+            // 简单文本内容
+            if (content instanceof String) {
+                return (String) content;
+            }
+            // 复杂内容（多部分）
+            else if (content instanceof Multipart) {
+                Multipart multipart = (Multipart) content;
+                StringBuilder contentBuilder = new StringBuilder();
+
+                // 遍历所有部分
+                for (int i = 0; i < multipart.getCount(); i++) {
+                    BodyPart bodyPart = multipart.getBodyPart(i);
+
+                    // 忽略附件
+                    if (BodyPart.ATTACHMENT.equalsIgnoreCase(bodyPart.getDisposition()) ||
+                            bodyPart.getFileName() != null) {
+                        continue;
+                    }
+
+                    // 获取内容
+                    Object partContent = bodyPart.getContent();
+                    if (partContent instanceof String) {
+                        contentBuilder.append(partContent);
+                    } else if (partContent instanceof Multipart) {
+                        // 处理嵌套的多部分内容
+                        contentBuilder.append(getMultipartContent((Multipart) partContent));
+                    }
+                }
+
+                return contentBuilder.toString();
+            }
+        } catch (Exception e) {
+            logger.error("获取邮件内容失败", e);
+        }
+
+        return "";
+    }
+
+    /**
+     * 处理嵌套的多部分内容
+     */
+    private static String getMultipartContent(Multipart multipart) throws MessagingException, IOException {
+        StringBuilder contentBuilder = new StringBuilder();
+
+        for (int i = 0; i < multipart.getCount(); i++) {
+            BodyPart bodyPart = multipart.getBodyPart(i);
+
+            // 忽略附件
+            if (BodyPart.ATTACHMENT.equalsIgnoreCase(bodyPart.getDisposition()) ||
+                    bodyPart.getFileName() != null) {
+                continue;
+            }
+
+            Object partContent = bodyPart.getContent();
+            if (partContent instanceof String) {
+                contentBuilder.append(partContent);
+            } else if (partContent instanceof Multipart) {
+                contentBuilder.append(getMultipartContent((Multipart) partContent));
+            }
+        }
+
+        return contentBuilder.toString();
+    }
+}
+