修改

src/main/java/com/ifish/action/UserAction.java

@@ -5,7 +5,6 @@ import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
-import org.springframework.web.bind.annotation.ResponseBody;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;
 

src/main/java/com/ifish/mail/Mail.java

@@ -197,4 +197,32 @@ public class Mail {
         return true;
     }
 
+    /**
+     * 发送邮箱验证码
+     *
+     * @param email
+     * @return
+     */
+    public static String sendRegisterCode(String email) {
+        Mail theMail = new Mail(smtp);
+
+        if (!theMail.setSubject("邮箱注册验证码")) {
+            return "";
+        }
+        if (!theMail.setFrom(from)) {
+            return "";
+        }
+        if (!theMail.setTo(to)) {
+            return "";
+        }
+        Integer code = (int) (Math.random() * 9000 + 1000);
+        if (!theMail.setBody(code + "")) {
+            return "";
+        }
+        if (!theMail.sendOut()) {
+            return "";
+        }
+        return code + "";
+    }
+
 }