用户列表按照最新消息发送时间进行排序

csm-service/cms-service-user/src/main/java/com/mmc/iuav/user/entity/UserDO.java

@@ -38,6 +38,8 @@ public class UserDO implements Serializable {
     private Integer unreadCount;
     @ApiModelProperty(value = "手机号")
     private String phoneNum;
-    @ApiModelProperty(value = "手机号")
+    @ApiModelProperty(value = "最新消息")
     private String endMessage;
+    @ApiModelProperty(value = "最新消息创建时间")
+    private Date createTime;
 }

csm-service/cms-service-user/src/main/java/com/mmc/iuav/user/service/impl/MessageServiceImpl.java

@@ -187,8 +187,11 @@ public class MessageServiceImpl implements MessageService {
             }else {
                 userDO.setEndMessage(userMessageDO.getImgUrl());
             }
+            userDO.setCreateTime(userMessageDO.getCreateTime());
             userAccountDOList.add(userDO);
         }
+        // 使用 Collections.sort() 方法和自定义的比较器进行排序
+        Collections.sort(userAccountDOList, Comparator.comparing(UserDO::getCreateTime).reversed());
         return ResultBody.success(userAccountDOList);
     }