fix：“优化机器上下线邮件提醒内容"

src/main/java/com/szwl/util/WechatSendUtil.java

@@ -2,6 +2,7 @@ package com.szwl.util;
 
 import com.szwl.model.utils.MailUtil;
 import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.lang.StringUtils;
 
 @Slf4j
 public class WechatSendUtil {
@@ -102,6 +103,9 @@ public class WechatSendUtil {
      */
     public static void sentEmail(String email, String name, String zoneID, String machineType, Integer eqeStatus) {
         String machineTypeStr = "";
+        if (StringUtils.isEmpty(zoneID)) {
+            zoneID = "Asia/Shanghai";
+        }
         switch (machineType) {
             case "0":
                 machineTypeStr = "Cotton Candy";  // 棉花糖
@@ -116,24 +120,28 @@ public class WechatSendUtil {
                 machineTypeStr = "";
         }
         String eqeStatusStr = "";
+        String eqeStatusContent = "";
         if (eqeStatus == 0) {
-            eqeStatusStr = "Offline";
+            eqeStatusStr = "Machine offline";
+            eqeStatusContent = "Your machine is offline.";
         } else {
-            eqeStatusStr = "Online";
+            eqeStatusStr = "Machine online";
+            eqeStatusContent = "Your machine is online!";
         }
+
         String subject = eqeStatusStr + " message from " + machineTypeStr + " Machine";
-        StringBuffer content = new StringBuffer();
+        StringBuilder content = new StringBuilder();
         String str1 = " <b>Machine name: </b>";
         String str3 = "<br>" + " <b>Time&Date: </b>";
-        String timeByZoneID = TimezoneFmtUtil.getTimeByZoneID(zoneID);
+        String timeByZoneId = TimezoneFmtUtil.getTimeByZoneID(zoneID);
         String str4 = "<br>" + "<br>" + "Dear customer:<br>";
-        String str5 = " This email is just a reminder, you don't need to reply. <br>";
+        String str5 = eqeStatusContent + " This email is just a reminder, you don't need to reply. <br>";
         String str6 = "<br>" + " Thank you for choosing our machine!<br>" +
                 "<br>" +
                 "<br>" +
                 "Best Regards.<br>" +
                 "<b>Cotton Candy Service Team</b>";
-        content.append(str1).append(name).append(str3).append(timeByZoneID).append(str4).append(str5).append(str6);
+        content.append(str1).append(name).append(str3).append(timeByZoneId).append(str4).append(str5).append(str6);
         MailUtil mailUtil = new MailUtil();
         mailUtil.send(email, subject, content.toString());
         System.out.println("邮件发送成功");