feat(system): 添加用户公告阅读状态查询功能并优化邮箱验证码缓存键生成- 在UserNoticeMapper.xml中新增isRead查询条件，支持按阅读状态筛选公告

- 修改UserServiceImpl.java中的邮箱验证码缓存键生成方式，使用StrUtil.format替代字符串拼接，提高代码可读性和维护性

src/main/java/com/youlai/boot/system/service/impl/UserServiceImpl.java

@@ -648,7 +648,7 @@ public class UserServiceImpl extends ServiceImpl<UserMapper, User> implements Us
 
         // 获取缓存的验证码
         String email = form.getEmail();
-        String redisCacheKey = RedisConstants.Captcha.EMAIL_CODE + email;
+        String redisCacheKey = StrUtil.format(RedisConstants.Captcha.EMAIL_CODE, email);
         String cachedVerifyCode = redisTemplate.opsForValue().get(redisCacheKey);
 
         if (StrUtil.isBlank(cachedVerifyCode)) {

src/main/resources/mapper/system/UserNoticeMapper.xml

@@ -21,6 +21,9 @@
         <if test="queryParams.title != null and queryParams.title != ''">
             AND t2.title LIKE CONCAT('%',#{queryParams.title},'%')
         </if>
+        <if test="queryParams.isRead != null">
+            AND t1.is_read = #{queryParams.isRead}
+        </if>
         ORDER BY
             t2.publish_time DESC,
             t2.create_time DESC