增加首页的通知栏

src/main/java/com/stylefeng/guns/modular/system/controller/BlackboardController.java

 package com.stylefeng.guns.modular.system.controller;
 
 import com.stylefeng.guns.common.controller.BaseController;
+import com.stylefeng.guns.modular.system.dao.NoticeDao;
+import com.stylefeng.guns.persistence.dao.NoticeMapper;
 import com.stylefeng.guns.persistence.dao.UserMapper;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Controller;
@@ -9,6 +11,9 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import com.baomidou.mybatisplus.mapper.EntityWrapper;
 import com.stylefeng.guns.persistence.model.User;
 
+import java.util.List;
+import java.util.Map;
+
 /**
  * 总览信息
  *
@@ -22,11 +27,19 @@ public class BlackboardController extends BaseController {
     @Autowired
     UserMapper userMapper;
 
+    @Autowired
+    NoticeMapper noticeMapper;
+
+    @Autowired
+    NoticeDao noticeDao;
+
     /**
      * 跳转到黑板
      */
     @RequestMapping("")
     public String blackboard() {
+        List<Map<String, Object>> notices = noticeDao.list(null);
+        super.setAttr("noticeList",notices);
         super.setAttr("userCount", userMapper.selectCount(new EntityWrapper<User>().notLike("status", "5")));
         super.setAttr("systemCount", super.getSystemInvokCount());
         return "/blackboard.html";

src/main/webapp/WEB-INF/view/blackboard.html

 @layout("/common/_container.html"){
 <div class="container-fluid" style="padding: 0 !important;">
 	<div class="row">
+		<div class="col-sm-12">
+			@for(notice in noticeList){
+				<div class="alert alert-success alert-dismissable">
+					<button aria-hidden="true" data-dismiss="alert" class="close" type="button">×</button>
+					${notice.content}
+				</div>
+			@}
+		</div>
+	</div>
+	<div class="row">
 		<div class="col-sm-3">
 			<div class="ibox float-e-margins">
 				<div class="ibox-title">