首页新增通知公告消息提醒

ruoyi-admin/src/main/java/com/ruoyi/web/controller/system/SysNoticeController.java

@@ -11,13 +11,16 @@ import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.PutMapping;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.ResponseBody;
 import org.springframework.web.bind.annotation.RestController;
 import com.ruoyi.common.annotation.Log;
 import com.ruoyi.common.core.controller.BaseController;
 import com.ruoyi.common.core.domain.AjaxResult;
 import com.ruoyi.common.core.page.TableDataInfo;
+import com.ruoyi.common.core.text.Convert;
 import com.ruoyi.common.enums.BusinessType;
 import com.ruoyi.system.domain.SysNotice;
+import com.ruoyi.system.service.ISysNoticeReadService;
 import com.ruoyi.system.service.ISysNoticeService;
 
 /**
@@ -32,6 +35,9 @@ public class SysNoticeController extends BaseController
     @Autowired
     private ISysNoticeService noticeService;
 
+    @Autowired
+    private ISysNoticeReadService noticeReadService;
+
     /**
      * 获取通知公告列表
      */
@@ -78,6 +84,46 @@ public class SysNoticeController extends BaseController
         return toAjax(noticeService.updateNotice(notice));
     }
 
+    /**
+     * 首页顶部公告列表（返回全部正常公告，带当前用户已读标记，最多5条）
+     */
+    @GetMapping("/listTop")
+    @ResponseBody
+    public AjaxResult listTop()
+    {
+        Long userId = getUserId();
+        List<SysNotice> list = noticeReadService.selectNoticeListWithReadStatus(userId, 5);
+        long unreadCount = list.stream().filter(n -> !n.getIsRead()).count();
+        AjaxResult result = AjaxResult.success(list);
+        result.put("unreadCount", unreadCount);
+        return result;
+    }
+
+    /**
+     * 标记公告已读
+     */
+    @PostMapping("/markRead")
+    @ResponseBody
+    public AjaxResult markRead(Long noticeId)
+    {
+        Long userId = getUserId();
+        noticeReadService.markRead(noticeId, userId);
+        return success();
+    }
+
+    /**
+     * 批量标记已读
+     */
+    @PostMapping("/markReadAll")
+    @ResponseBody
+    public AjaxResult markReadAll(String ids)
+    {
+        Long userId = getUserId();
+        Long[] noticeIds = Convert.toLongArray(ids);
+        noticeReadService.markReadBatch(userId, noticeIds);
+        return success();
+    }
+
     /**
      * 删除通知公告
      */
@@ -86,6 +132,7 @@ public class SysNoticeController extends BaseController
     @DeleteMapping("/{noticeIds}")
     public AjaxResult remove(@PathVariable Long[] noticeIds)
     {
+        noticeReadService.deleteByNoticeIds(noticeIds);
         return toAjax(noticeService.deleteNoticeByIds(noticeIds));
     }
 }

ruoyi-system/src/main/java/com/ruoyi/system/domain/SysNotice.java

@@ -4,6 +4,7 @@ import jakarta.validation.constraints.NotBlank;
 import jakarta.validation.constraints.Size;
 import org.apache.commons.lang3.builder.ToStringBuilder;
 import org.apache.commons.lang3.builder.ToStringStyle;
+import com.fasterxml.jackson.annotation.JsonProperty;
 import com.ruoyi.common.core.domain.BaseEntity;
 import com.ruoyi.common.xss.Xss;
 
@@ -31,6 +32,10 @@ public class SysNotice extends BaseEntity
     /** 公告状态（0正常 1关闭） */
     private String status;
 
+    /** 是否已读 */
+    @JsonProperty("isRead")
+    private boolean isRead;
+
     public Long getNoticeId()
     {
         return noticeId;
@@ -84,6 +89,16 @@ public class SysNotice extends BaseEntity
         return status;
     }
 
+    public boolean getIsRead()
+    {
+        return isRead;
+    }
+
+    public void setIsRead(boolean isRead)
+    {
+        this.isRead = isRead;
+    }
+
     @Override
     public String toString() {
         return new ToStringBuilder(this,ToStringStyle.MULTI_LINE_STYLE)

ruoyi-system/src/main/java/com/ruoyi/system/domain/SysNoticeRead.java

@@ -0,0 +1,76 @@
+package com.ruoyi.system.domain;
+
+import java.util.Date;
+import org.apache.commons.lang3.builder.ToStringBuilder;
+import org.apache.commons.lang3.builder.ToStringStyle;
+
+/**
+ * 公告已读记录表 sys_notice_read
+ *
+ * @author ruoyi
+ */
+public class SysNoticeRead
+{
+    /** 主键 */
+    private Long readId;
+
+    /** 公告ID */
+    private Long noticeId;
+
+    /** 用户ID */
+    private Long userId;
+
+    /** 阅读时间 */
+    private Date readTime;
+
+    public Long getReadId()
+    {
+        return readId;
+    }
+
+    public void setReadId(Long readId)
+    {
+        this.readId = readId;
+    }
+
+    public Long getNoticeId()
+    {
+        return noticeId;
+    }
+
+    public void setNoticeId(Long noticeId)
+    {
+        this.noticeId = noticeId;
+    }
+
+    public Long getUserId()
+    {
+        return userId;
+    }
+
+    public void setUserId(Long userId)
+    {
+        this.userId = userId;
+    }
+
+    public Date getReadTime()
+    {
+        return readTime;
+    }
+
+    public void setReadTime(Date readTime)
+    {
+        this.readTime = readTime;
+    }
+
+    @Override
+    public String toString()
+    {
+        return new ToStringBuilder(this, ToStringStyle.MULTI_LINE_STYLE)
+            .append("readId", getReadId())
+            .append("noticeId", getNoticeId())
+            .append("userId", getUserId())
+            .append("readTime", getReadTime())
+            .toString();
+    }
+}

ruoyi-system/src/main/java/com/ruoyi/system/mapper/SysNoticeReadMapper.java

@@ -0,0 +1,65 @@
+package com.ruoyi.system.mapper;
+
+import java.util.List;
+import org.apache.ibatis.annotations.Param;
+import com.ruoyi.system.domain.SysNoticeRead;
+import com.ruoyi.system.domain.SysNotice;
+
+/**
+ * 公告已读记录 数据层
+ *
+ * @author ruoyi
+ */
+public interface SysNoticeReadMapper
+{
+    /**
+     * 新增已读记录（忽略重复）
+     *
+     * @param noticeRead 已读记录
+     * @return 结果
+     */
+    public int insertNoticeRead(SysNoticeRead noticeRead);
+
+    /**
+     * 查询某用户未读公告数量
+     *
+     * @param userId 用户ID
+     * @return 未读数量
+     */
+    public int selectUnreadCount(@Param("userId") Long userId);
+
+    /**
+     * 查询某用户是否已读某公告
+     *
+     * @param noticeId 公告ID
+     * @param userId   用户ID
+     * @return 已读记录数（0未读 1已读）
+     */
+    public int selectIsRead(@Param("noticeId") Long noticeId, @Param("userId") Long userId);
+
+    /**
+     * 批量标记已读
+     *
+     * @param userId    用户ID
+     * @param noticeIds 公告ID数组
+     * @return 结果
+     */
+    public int insertNoticeReadBatch(@Param("userId") Long userId, @Param("noticeIds") Long[] noticeIds);
+
+    /**
+     * 查询带已读状态的公告列表（SQL层限制条数，一次查询完成）
+     *
+     * @param userId 用户ID
+     * @param limit  最多返回条数
+     * @return 带 isRead 标记的公告列表
+     */
+    public List<SysNotice> selectNoticeListWithReadStatus(@Param("userId") Long userId, @Param("limit") int limit);
+
+    /**
+     * 公告删除时清理对应已读记录
+     *
+     * @param noticeIds 公告ID数组
+     * @return 结果
+     */
+    public int deleteByNoticeIds(@Param("noticeIds") Long[] noticeIds);
+}

ruoyi-system/src/main/java/com/ruoyi/system/service/ISysNoticeReadService.java

@@ -0,0 +1,52 @@
+package com.ruoyi.system.service;
+
+import java.util.List;
+import com.ruoyi.system.domain.SysNotice;
+
+/**
+ * 公告已读记录 服务层
+ *
+ * @author ruoyi
+ */
+public interface ISysNoticeReadService
+{
+    /**
+     * 标记已读（幂等，重复调用不报错）
+     *
+     * @param noticeId 公告ID
+     * @param userId   用户ID
+     */
+    public void markRead(Long noticeId, Long userId);
+
+    /**
+     * 查询某用户未读公告数量
+     *
+     * @param userId 用户ID
+     * @return 未读数量
+     */
+    public int selectUnreadCount(Long userId);
+
+    /**
+     * 查询公告列表并标记当前用户已读状态（用于首页展示）
+     *
+     * @param userId 用户ID
+     * @param limit  最多返回条数
+     * @return 带 isRead 标记的公告列表
+     */
+    public List<SysNotice> selectNoticeListWithReadStatus(Long userId, int limit);
+
+    /**
+     * 批量标记已读
+     *
+     * @param userId    用户ID
+     * @param noticeIds 公告ID数组
+     */
+    public void markReadBatch(Long userId, Long[] noticeIds);
+
+    /**
+     * 删除公告时清理对应已读记录
+     *
+     * @param noticeIds 公告ID数组
+     */
+    public void deleteByNoticeIds(Long[] noticeIds);
+}

ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysNoticeReadServiceImpl.java

@@ -0,0 +1,73 @@
+package com.ruoyi.system.service.impl;
+
+import java.util.List;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import com.ruoyi.system.domain.SysNoticeRead;
+import com.ruoyi.system.domain.SysNotice;
+import com.ruoyi.system.mapper.SysNoticeReadMapper;
+import com.ruoyi.system.service.ISysNoticeReadService;
+
+/**
+ * 公告已读记录 服务层实现
+ *
+ * @author ruoyi
+ */
+@Service
+public class SysNoticeReadServiceImpl implements ISysNoticeReadService
+{
+    @Autowired
+    private SysNoticeReadMapper noticeReadMapper;
+
+    /**
+     * 标记已读
+     */
+    @Override
+    public void markRead(Long noticeId, Long userId)
+    {
+        SysNoticeRead record = new SysNoticeRead();
+        record.setNoticeId(noticeId);
+        record.setUserId(userId);
+        noticeReadMapper.insertNoticeRead(record);
+    }
+
+    /**
+     * 查询某用户未读公告数量
+     */
+    @Override
+    public int selectUnreadCount(Long userId)
+    {
+        return noticeReadMapper.selectUnreadCount(userId);
+    }
+
+    /**
+     * 查询公告列表并标记当前用户已读状态
+     */
+    @Override
+    public List<SysNotice> selectNoticeListWithReadStatus(Long userId, int limit)
+    {
+        return noticeReadMapper.selectNoticeListWithReadStatus(userId, limit);
+    }
+
+    /**
+     * 批量标记已读
+     */
+    @Override
+    public void markReadBatch(Long userId, Long[] noticeIds)
+    {
+        if (noticeIds == null || noticeIds.length == 0)
+        {
+            return;
+        }
+        noticeReadMapper.insertNoticeReadBatch(userId, noticeIds);
+    }
+
+    /**
+     * 删除公告时清理对应已读记录
+     */
+    @Override
+    public void deleteByNoticeIds(Long[] noticeIds)
+    {
+        noticeReadMapper.deleteByNoticeIds(noticeIds);
+    }
+}

ruoyi-system/src/main/resources/mapper/system/SysNoticeMapper.xml

@@ -40,6 +40,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
 				AND create_by like concat('%', #{createBy}, '%')
 			</if>
 		</where>
+		order by notice_id desc
     </select>
     
     <insert id="insertNotice" parameterType="SysNotice">

ruoyi-system/src/main/resources/mapper/system/SysNoticeReadMapper.xml

@@ -0,0 +1,66 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE mapper
+PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
+"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.ruoyi.system.mapper.SysNoticeReadMapper">
+
+    <resultMap type="SysNoticeRead" id="SysNoticeReadResult">
+        <id     property="readId"   column="read_id"     />
+        <result property="noticeId" column="notice_id"   />
+        <result property="userId"   column="user_id"     />
+        <result property="readTime" column="read_time"   />
+    </resultMap>
+
+    <!-- 新增已读记录 -->
+    <insert id="insertNoticeRead" parameterType="SysNoticeRead">
+        insert ignore into sys_notice_read (notice_id, user_id, read_time)
+        values (#{noticeId}, #{userId}, sysdate())
+    </insert>
+
+    <!-- 查询未读数量：正常状态公告 减去 当前用户已读数 -->
+    <select id="selectUnreadCount" resultType="int">
+        select count(*) from sys_notice n
+        where n.status = '0' and not exists (select 1 from sys_notice_read r where r.notice_id = n.notice_id and r.user_id = #{userId})
+    </select>
+
+    <!-- 查询是否已读 -->
+    <select id="selectIsRead" resultType="int">
+        select count(*) from sys_notice_read where notice_id = #{noticeId} and user_id = #{userId}
+    </select>
+
+    <!-- 查询带已读状态的公告列表（直接在SQL中限制条数） -->
+    <select id="selectNoticeListWithReadStatus" resultType="SysNotice">
+        select
+            n.notice_id    as noticeId,
+            n.notice_title as noticeTitle,
+            n.notice_type  as noticeType,
+            n.status,
+            n.create_by    as createBy,
+            n.create_time  as createTime,
+            case when r.notice_id is not null then true else false end as isRead
+        from sys_notice n
+        left join sys_notice_read r
+            on r.notice_id = n.notice_id and r.user_id = #{userId}
+        where n.status = '0'
+        order by n.notice_id desc
+        limit #{limit}
+    </select>
+
+    <!-- 批量标记已读 -->
+    <insert id="insertNoticeReadBatch">
+        insert ignore into sys_notice_read (notice_id, user_id, read_time)
+        values
+        <foreach collection="noticeIds" item="noticeId" separator=",">
+            (#{noticeId}, #{userId}, sysdate())
+        </foreach>
+    </insert>
+
+    <!-- 删除公告时清理已读记录 -->
+    <delete id="deleteByNoticeIds">
+        delete from sys_notice_read where notice_id in
+        <foreach collection="noticeIds" item="noticeId" open="(" separator="," close=")">
+            #{noticeId}
+        </foreach>
+    </delete>
+
+</mapper>

ruoyi-ui/src/api/system/notice.js

@@ -41,4 +41,30 @@ export function delNotice(noticeId) {
     url: '/system/notice/' + noticeId,
     method: 'delete'
   })
-}
+}
+
+// 首页顶部公告列表（带已读状态）
+export function listNoticeTop() {
+  return request({
+    url: '/system/notice/listTop',
+    method: 'get'
+  })
+}
+
+// 标记公告已读
+export function markNoticeRead(noticeId) {
+  return request({
+    url: '/system/notice/markRead',
+    method: 'post',
+    params: { noticeId }
+  })
+}
+
+// 批量标记已读
+export function markNoticeReadAll(ids) {
+  return request({
+    url: '/system/notice/markReadAll',
+    method: 'post',
+    params: { ids }
+  })
+}

ruoyi-ui/src/assets/icons/svg/bell.svg

@@ -0,0 +1 @@
+<?xml version="1.0" standalone="no"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"><svg t="1773923748724" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="5930" xmlns:xlink="http://www.w3.org/1999/xlink" width="200" height="200"><path d="M512 212l48.8 12c101.6 24.8 176 117.6 176 220.8v254.4l18.4 18.4 24.8 25.6h-536l24.8-25.6 18.4-18.4V444.8c0-103.2 73.6-196.8 176-220.8l48.8-12M512 64c-36.8 0-64 30.4-64 68v30.4C320.8 192 223.2 307.2 223.2 444.8v228.8L136 763.2v44.8h752v-44.8l-87.2-89.6V444.8c0-137.6-97.6-252.8-224.8-283.2v-28.8c0-32-17.6-60.8-48-67.2-5.6-1.6-11.2-1.6-16-1.6z m88 808H424c0 49.6 38.4 88 88 88s88-38.4 88-88z" p-id="5931"></path></svg>

ruoyi-ui/src/layout/components/HeaderNotice/index.vue

@@ -0,0 +1,229 @@
+<template>
+  <div>
+    <el-popover ref="noticePopover" placement="bottom-end" width="320" trigger="manual" :value="noticeVisible" popper-class="notice-popover">
+      <div class="notice-header">
+        <span class="notice-title">通知公告</span>
+        <span class="notice-mark-all" @click="markAllRead">全部已读</span>
+      </div>
+      <div v-if="noticeLoading" class="notice-loading"><i class="el-icon-loading"></i> 加载中...</div>
+      <div v-else-if="noticeList.length === 0" class="notice-empty"><i class="el-icon-inbox"></i><br>暂无公告</div>
+      <div v-else>
+        <div v-for="item in noticeList" :key="item.noticeId" class="notice-item" :class="{ 'is-read': item.isRead }" @click="previewNotice(item)">
+          <el-tag size="mini" :type="item.noticeType === '1' ? 'warning' : 'success'" class="notice-tag">
+            {{ item.noticeType === '1' ? '通知' : '公告' }}
+          </el-tag>
+          <span class="notice-item-title">{{ item.noticeTitle }}</span>
+          <span class="notice-item-date">{{ item.createTime }}</span>
+        </div>
+      </div>
+    </el-popover>
+
+    <div v-popover:noticePopover class="right-menu-item hover-effect notice-trigger" @mouseenter="onNoticeEnter" @mouseleave="onNoticeLeave">
+      <svg-icon icon-class="bell" />
+      <span v-if="unreadCount > 0" class="notice-badge">{{ unreadCount }}</span>
+    </div>
+
+    <el-dialog :title="previewTitle" :visible.sync="previewVisible" width="680px" append-to-body custom-class="notice-preview-dialog">
+      <div class="notice-preview-meta">
+        <el-tag size="small" :type="previewNoticeType === '1' ? 'warning' : 'success'">
+          {{ previewNoticeType === '1' ? '通知' : '公告' }}
+        </el-tag>
+        <span class="notice-preview-info"><i class="el-icon-user"></i> {{ previewCreateBy }}</span>
+        <span class="notice-preview-info"><i class="el-icon-time"></i> {{ previewCreateTime }}</span>
+      </div>
+      <div class="notice-preview-divider"></div>
+      <div class="notice-preview-content" v-html="previewContent"></div>
+    </el-dialog>
+  </div>
+</template>
+
+<script>
+import { listNoticeTop, markNoticeRead, markNoticeReadAll, getNotice } from '@/api/system/notice'
+
+export default {
+  name: 'HeaderNotice',
+  data() {
+    return {
+      noticeList: [], // 通知列表
+      unreadCount: 0, // 未读数量
+      noticeLoading: false, // 加载状态
+      noticeVisible: false, // 弹出层显示状态
+      noticeLeaveTimer: null, // 鼠标离开计时器
+      previewVisible: false, // 预览弹窗显示状态
+      previewTitle: '', // 预览弹窗标题
+      previewContent: '', // 预览弹窗内容
+      previewNoticeType: '', // 预览弹窗类型
+      previewCreateBy: '', // 预览弹窗创建人
+      previewCreateTime: '' // 预览弹窗创建时间
+    }
+  },
+  mounted() {
+    this.loadNoticeTop()
+  },
+  methods: {
+    // 鼠标移入铃铛区域
+    onNoticeEnter() {
+      clearTimeout(this.noticeLeaveTimer)
+      this.noticeVisible = true
+      this.$nextTick(() => {
+        const popper = this.$refs.noticePopover.$refs.popper
+        if (popper && !popper._noticeBound) {
+          popper._noticeBound = true
+          popper.addEventListener('mouseenter', () => clearTimeout(this.noticeLeaveTimer))
+          popper.addEventListener('mouseleave', () => {
+            this.noticeLeaveTimer = setTimeout(() => { this.noticeVisible = false }, 100)
+          })
+        }
+      })
+    },
+    // 鼠标离开铃铛区域
+    onNoticeLeave() {
+      this.noticeLeaveTimer = setTimeout(() => { this.noticeVisible = false }, 150)
+    },
+    // 加载顶部公告列表
+    loadNoticeTop() {
+      this.noticeLoading = true
+      listNoticeTop().then(res => {
+        this.noticeList = res.data || []
+        this.unreadCount = res.unreadCount !== undefined ? res.unreadCount : this.noticeList.filter(n => !n.isRead).length
+      }).finally(() => {
+        this.noticeLoading = false
+      })
+    },
+    // 预览公告详情
+    previewNotice(item) {
+      if (!item.isRead) {
+        markNoticeRead(item.noticeId).catch(() => {})
+        item.isRead = true
+        const idx = this.noticeList.indexOf(item)
+        if (idx !== -1) this.$set(this.noticeList, idx, { ...item, isRead: true })
+        this.unreadCount = Math.max(0, this.unreadCount - 1)
+      }
+      getNotice(item.noticeId).then(res => {
+        const notice = res.data
+        this.previewTitle = notice.noticeTitle
+        this.previewContent = notice.noticeContent
+        this.previewNoticeType = notice.noticeType
+        this.previewCreateBy = notice.createBy
+        this.previewCreateTime = notice.createTime
+        this.previewVisible = true
+      })
+    },
+    // 全部已读
+    markAllRead() {
+      const ids = this.noticeList.map(n => n.noticeId).join(',')
+      if (!ids) return
+      markNoticeReadAll(ids).catch(() => {})
+      this.noticeList = this.noticeList.map(n => ({ ...n, isRead: true }))
+      this.unreadCount = 0
+    }
+  }
+}
+</script>
+
+<style lang="scss" scoped>
+.notice-trigger {
+  position: relative;
+  transform: translateX(-6px);
+  .svg-icon { width: 1.2em; height: 1.2em; vertical-align: -0.2em; }
+  .notice-badge {
+    position: absolute;
+    top: 7px;
+    right: -3px;
+    background: #f56c6c;
+    color: #fff;
+    border-radius: 10px;
+    font-size: 10px;
+    height: 16px;
+    line-height: 16px;
+    padding: 0 4px;
+    min-width: 16px;
+    text-align: center;
+    white-space: nowrap;
+    pointer-events: none;
+  }
+}
+.notice-popover {
+  padding: 0 !important;
+}
+.notice-popover .notice-header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  padding: 10px 14px;
+  background: #f7f9fb;
+  border-bottom: 1px solid #eee;
+  font-size: 13px;
+  font-weight: 600;
+  color: #333;
+}
+.notice-popover .notice-mark-all {
+  font-size: 12px;
+  color: #409EFF;
+  font-weight: normal;
+  cursor: pointer;
+}
+.notice-popover .notice-mark-all:hover { color: #2b7cc1; }
+.notice-popover .notice-loading,
+.notice-popover .notice-empty {
+  padding: 24px;
+  text-align: center;
+  color: #bbb;
+  font-size: 12px;
+  line-height: 1.8;
+}
+.notice-popover .notice-item {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  padding: 10px 14px;
+  border-bottom: 1px solid #f5f5f5;
+  cursor: pointer;
+  transition: background 0.15s;
+}
+.notice-popover .notice-item:last-child { border-bottom: none; }
+.notice-popover .notice-item:hover { background: #f7f9fb; }
+.notice-popover .notice-item.is-read .notice-tag,
+.notice-popover .notice-item.is-read .notice-item-title,
+.notice-popover .notice-item.is-read .notice-item-date { opacity: 0.45; filter: grayscale(1); color: #999; }
+.notice-popover .notice-tag { flex-shrink: 0; }
+.notice-popover .notice-item-title {
+  flex: 1;
+  font-size: 12px;
+  color: #333;
+  overflow: hidden;
+  white-space: nowrap;
+  text-overflow: ellipsis;
+}
+.notice-popover .notice-item-date {
+  flex-shrink: 0;
+  font-size: 11px;
+  color: #bbb;
+}
+::v-deep .notice-preview-dialog {
+  .el-dialog__body { padding: 0 20px 20px; }
+  .notice-preview-meta {
+    display: flex;
+    align-items: center;
+    gap: 14px;
+    padding: 12px 0;
+    font-size: 12px;
+    color: #888;
+    .notice-preview-info { display: flex; align-items: center; gap: 4px; }
+  }
+  .notice-preview-divider {
+    height: 1px;
+    background: linear-gradient(to right, transparent, #e2e8f0, transparent);
+    margin-bottom: 16px;
+  }
+  .notice-preview-content {
+    font-size: 14px;
+    line-height: 1.85;
+    color: #2d3748;
+    word-break: break-word;
+    img { max-width: 100%; border-radius: 4px; }
+    p { margin: 0 0 1em; }
+    a { color: #409EFF; text-decoration: underline; }
+  }
+}
+</style>

ruoyi-ui/src/layout/components/Navbar.vue

@@ -1,3 +1,4 @@
+<!-- 文件路径: @/layout/components/Navbar.vue (假设的原路径) -->
 <template>
   <div class="navbar" :class="'nav' + navType">
     <hamburger id="hamburger-container" :is-active="sidebar.opened" class="hamburger-container" @toggleClick="toggleSideBar" />
@@ -26,6 +27,10 @@
           <size-select id="size-select" class="right-menu-item hover-effect" />
         </el-tooltip>
 
+        <el-tooltip content="消息通知" effect="dark" placement="bottom">
+          <header-notice id="header-notice" class="right-menu-item hover-effect" />
+        </el-tooltip>
+
       </template>
 
       <el-dropdown class="avatar-container right-menu-item hover-effect" trigger="hover">
@@ -61,9 +66,9 @@ import SizeSelect from '@/components/SizeSelect'
 import Search from '@/components/HeaderSearch'
 import RuoYiGit from '@/components/RuoYi/Git'
 import RuoYiDoc from '@/components/RuoYi/Doc'
+import HeaderNotice from './HeaderNotice'
 
 export default {
-  emits: ['setLayout'],
   components: {
     Breadcrumb,
     Logo,
@@ -74,7 +79,8 @@ export default {
     SizeSelect,
     Search,
     RuoYiGit,
-    RuoYiDoc
+    RuoYiDoc,
+    HeaderNotice
   },
   computed: {
     ...mapGetters([
@@ -173,11 +179,6 @@ export default {
     margin-left: 8px;
   }
 
-  .errLog-container {
-    display: inline-block;
-    vertical-align: top;
-  }
-
   .right-menu {
     height: 100%;
     line-height: 50px;

sql/ry_20260320.sql

@@ -641,10 +641,25 @@ create table sys_notice (
 -- ----------------------------
 insert into sys_notice values('1', '温馨提醒：2018-07-01 若依新版本发布啦', '2', '新版本内容', '0', 'admin', sysdate(), '', null, '管理员');
 insert into sys_notice values('2', '维护通知：2018-07-01 若依系统凌晨维护', '1', '维护内容',   '0', 'admin', sysdate(), '', null, '管理员');
+insert into sys_notice values('3', '若依开源框架介绍', '1', '<p><span style=\"color: rgb(230, 0, 0);\">项目介绍</span></p><p><font color=\"#333333\">RuoYi开源项目是为企业用户定制的后台脚手架框架，为企业打造的一站式解决方案，降低企业开发成本，提升开发效率。主要包括用户管理、角色管理、部门管理、菜单管理、参数管理、字典管理、</font><span style=\"color: rgb(51, 51, 51);\">岗位管理</span><span style=\"color: rgb(51, 51, 51);\">、定时任务</span><span style=\"color: rgb(51, 51, 51);\">、</span><span style=\"color: rgb(51, 51, 51);\">服务监控、登录日志、操作日志、代码生成等功能。其中，还支持多数据源、数据权限、国际化、Redis缓存、Docker部署、滑动验证码、第三方认证登录、分布式事务、</span><font color=\"#333333\">分布式文件存储</font><span style=\"color: rgb(51, 51, 51);\">、分库分表处理等技术特点。</span></p><p><img src=\"https://foruda.gitee.com/images/1773931848342439032/a4d22313_1815095.png\" style=\"width: 64px;\"><br></p><p><span style=\"color: rgb(230, 0, 0);\">官网及演示</span></p><p><span style=\"color: rgb(51, 51, 51);\">若依官网地址：&nbsp;</span><a href=\"http://ruoyi.vip\" target=\"_blank\">http://ruoyi.vip</a><a href=\"http://ruoyi.vip\" target=\"_blank\"></a></p><p><span style=\"color: rgb(51, 51, 51);\">若依文档地址：&nbsp;</span><a href=\"http://doc.ruoyi.vip\" target=\"_blank\">http://doc.ruoyi.vip</a><br></p><p><span style=\"color: rgb(51, 51, 51);\">演示地址【不分离版】：&nbsp;</span><a href=\"http://demo.ruoyi.vip\" target=\"_blank\">http://demo.ruoyi.vip</a></p><p><span style=\"color: rgb(51, 51, 51);\">演示地址【分离版本】：&nbsp;</span><a href=\"http://vue.ruoyi.vip\" target=\"_blank\">http://vue.ruoyi.vip</a></p><p><span style=\"color: rgb(51, 51, 51);\">演示地址【微服务版】：&nbsp;</span><a href=\"http://cloud.ruoyi.vip\" target=\"_blank\">http://cloud.ruoyi.vip</a></p><p><span style=\"color: rgb(51, 51, 51);\">演示地址【移动端版】：&nbsp;</span><a href=\"http://h5.ruoyi.vip\" target=\"_blank\">http://h5.ruoyi.vip</a></p><p><br style=\"color: rgb(48, 49, 51); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; font-size: 12px;\"></p>', '0', 'admin', sysdate(), '', null, '管理员');
 
 
 -- ----------------------------
--- 18、代码生成业务表
+-- 18、公告已读记录表
+-- ----------------------------
+drop table if exists sys_notice_read;
+create table sys_notice_read (
+  read_id          bigint(20)       not null auto_increment    comment '已读主键',
+  notice_id        int(4)           not null                   comment '公告id',
+  user_id          bigint(20)       not null                   comment '用户id',
+  read_time        datetime         not null                   comment '阅读时间',
+  primary key (read_id),
+  unique key uk_user_notice (user_id, notice_id)   comment '同一用户同一公告只记录一次'
+) engine=innodb auto_increment=1 comment='公告已读记录表';
+
+
+-- ----------------------------
+-- 19、代码生成业务表
 -- ----------------------------
 drop table if exists gen_table;
 create table gen_table (
@@ -674,7 +689,7 @@ create table gen_table (
 
 
 -- ----------------------------
--- 19、代码生成业务表字段
+-- 20、代码生成业务表字段
 -- ----------------------------
 drop table if exists gen_table_column;
 create table gen_table_column (