Spring Boot制作个人博客-后端管理(博客管理)

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文章目录

一、博客分页查询

1、对blog.html网页作更改


  • 效果

2、新建BlogService接口

3、新建BlogRepository接口

4、新建BlogServiceImpl.java类

5、修改BlogController

6、修改blogs.html

<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.w3.org/1999/xhtml">
<head th:replace="admin/_fragments::head(~::title)">
    <meta charset="UTF-8">
    <meta name="viewport" content="width=debice-width,initial-scale=1.0">
    <title>博客管理</title>
    <link rel="stylesheet" href="https://cdn.jsdelivr.net/semantic-ui/2.2.10/semantic.min.css">
    <link rel="stylesheet" href="../../static/css/css.css">
</head>
<body>
    <!--导航栏-->
    <nav th:replace="admin/_fragments::menu(1)" class="ui inverted attached segment m-padded-tb-mini m-shadow-small" ><!--inverted 反色  attached 圆角变直角-->
        <!--设置log-->
        <div class="ui container">
            <div class="ui inverted secondary stackable menu"><!--stackable(可堆叠效果)会根据页面大小改变显示比例-->
                <h2 class="ui teal header item">管理后台</h2>
                <a href="#" class="m-item item m-mobile-hide"><i class="home icon"></i> 博客</a>
                <a href="#" class="active m-item item m-mobile-hide"><i class="idea icon"></i>分类</a>
                <a href="#" class="m-item item m-mobile-hide"><i class="tags icon"></i>标签</a>

                <!--右侧头像-->
                <div class="right m-item m-mobile-hide menu">
                    <div class="ui dropdown item">
                        <div class="text">
                            <img class="ui avatar image" src="https://unsplash.it/100/100?image=1010">
                            Beauty
                        </div>
                        <!--下拉图标-->
                        <i class="dropdown icon"></i>
                        <div class="menu">
                            <a href="#" class="item">注销</a>
                        </div>
                    </div>
                </div>
            </div>
        </div>
            <!--移动端响应图标-->
            <a href="#" class="ui menu toggle black icon button m-right-top m-mobile-show">
                <i class="sidebar icon"></i>
            </a>
        </div>



    </nav>


    <!--二级导航-->
    <div class="ui attached pointing menu">
        <div class="ui container">
            <div class="right menu">
                <a href="#" class="item">发布</a>
                <a href="#" class="teal active item">列表</a>
            </div>
        </div>
    </div>
    <!--中间内容-->
    <div class="m-container-small m-padded-tb-large">
        <div class="ui m-container">
            <div method="post" class="ui secondary segment form">
                <input type="hidden" name="page">
                <div class="inline fields">
                    <!--输入框-->
                    <div class="field">
                        <input type="text" name="title" placeholder="标题">
                    </div>

                    <!--下拉列表框-->
                    <div class="field">
                        <div class="ui selection dropdown">
                            <input type="hidden" name="typeId">
                            <i class="dropdown icon"></i>
                            <div class="default text">分类</div>
                            <div class="menu">
                                <div th:each="type:$types" class="item" data-value="1" th:data-value="$type.id" th:text="$type.name">错误日志</div>
                                <!--/*-->
                                <div class="item" data-value="2">开发者手册</div>
                                <!--*/-->
                            </div>
                        </div>
                    </div>

                    <!--推荐按钮-->
                    <div class="field">
                        <div class="ui checkbox">
                            <input type="checkbox" id="recommend" name="recommend">
                            <label for="recommend">推荐</label>
                        </div>
                    </div>

                    <!--提交按钮-->
                    <div class="field">
                        <botton type="button" id="search-btn" class="ui mini teal basic button"><i class="search icon"></i>搜索</botton>
                    </div>


                </div>
            </div>
           <div id table-containe>
               <table th:fragment="blogList" class="ui compact teal table"><!--celled添加网格 compact使表格紧凑-->
                   <thead>
                   <!--表头-->
                   <tr>
                       <th></th>
                       <th>标题</th>
                       <th>类型</th>
                       <th>推荐</th>
                       <th>更新事件</th>
                       <th>操作</th>
                   </tr>
                   </thead>

                   <!--内容-->
                   <tbody>
                   <tr th:each="blog,iterStat:$page.content">
                       <td th:text="$iterStat.count">1</td>
                       <td th:text="$blog.title">刻意练习清单</td>
                       <td th:text="$blog.type.name">认知升级</td>
                       <td th:text="$blog.recommend ? '是':'否'"></td>
                       <td th:test="$blog.updateTime">2017-10-02 0945</td>
                       <td>
                           <a href="#" th:href="@/admin/blogs/id/input(id=$blog.id)" class="ui mini teal basic button">编辑</a>
                           <a href="#" th:href="@/admin/blogs/id/input(id=$blog.id)" class="ui mini red basic button">删除</a>
                       </td>
                   </tr>
                   </tbody>

                   <!--底部-->
                   <tfoot>
                   <tr>
                       <th colspan="6">
                           <div class="ui mini floated pagination menu"  th:if="$page.totalPages>1">
                               <a class="icon item" onclick="page(this)" th:attr="data-page=$page.number-1" >
                                   <i class="left chevron icon" th:unless="$page.first"></i>
                               </a>

                               <a onclick="page(this)" th:attr="data-page=$page.number-1" class="icon item" th:unless="$page.first">上一页</a>
                               <a onclick="page(this)" th:attr="data-page=$page.number+1" class="icon item" th:unless="$page.last">下一页</a>

                               <a class="icon item" onclick="page(this)" th:attr="data-page=$page.number+1" >
                                   <i class="right chevron icon" th:unless="$page.last"></i>
                               </a>
                           </div>
                           <a href="#" th:href="@/admin/blogs/input" class="ui mini right floated teal basic button">新增</a>
                       </th>
                   </tr>
                   </tfoot>



               </table>
           </div>


        </div>
    </div>


    <!--底部-->
    <footer th:replace="admin/_fragments::footer" class="ui inverted vertical segment m-padded-tb-massive">
        <div class="ui center aligned container"><!--center aligned 居中-->
            <div class="ui inverted divided stackable grid"><!--grid会将div分为16份布局   inverted divided模块之间的线条显示-->
                <!--第一板块-->
                <div class="three wide column">
                    <div class="ui inverted link list">
                        <div class="item">
                            <img src="../../static/imags/erweima.png" class="ui rounded image" alt="" style="width:100px">
                        </div>
                    </div>
                </div>
                <!--第二板块-->
                <div class="three wide column">
                    <h4 class="ui inverted header m-text-thin m-text-spaced ">最新博客</h4>
                    <div class="ui inverted link list">
                        <a href="#" class="item">用户故事(User Story)</a>
                        <a href="#" class="item">关于课余练习的清单</a>
                        <a href="#" class="item">成功要趁早</a>
                    </div>
                </div>
                <!--第三板块-->
                <div class="three wide column">
                    <h4 class="ui inverted header m-text-thin m-text-spaced ">联系我</h4>
                    <div class="ui inverted link list">
                        <a href="#" class="item">Email:Everyone@162.com</a>
                        <a href="#" class="item">QQ:123456789</a>
                    </div>
                </div>

                <!--第四板块-->
                <div class="seven wide column">
                    <h4 class="ui inverted header m-text-thin m-text-spaced ">Blog</h4>
                    <p class="m-text-thin m-text-spaced m-opacity-mini ">这是我的个人博客、会分享关于编程、协作、思考相关的任何内容,希望可以给来到这儿的人有所帮助……</p>
                </div>
            </div>

            <!--第五板块-->
            <div class="ui inverted section divider"></div>
            <p class="m-text-thin m-text-spaced m-opacity-tiny">Copyright @ 2016-2017 Lirenmi Designed by Lirenmi</p>
        </div>
    </footer>

    <!--/*/<th:block th:replace="_fragments :: script">/*/-->
    <script src="https://cdn.jsdelivr.net/npm/jquery@3.2/dist/jquery.min.js"></script>
    <script src="https://cdn.jsdelivr.net/semantic-ui/2.2.10/semantic.min.js"></script>
    <!--/*/</th:block>/*/-->
<script>
    $('.menu.toggle').click(function ()
        $('.m-item').toggleClass('m-mobile-hide');
    );

    /*用户名下拉*/
    $('.ui.dropdown').dropdown(
        on:'hover'
    );

    function page(obj) 
        //取值
        $("[name='page']").val($(obj).data("page"));
        loaddata();
    

    /*搜索点击事件*/
    $("#search-btn").click(function () 
        loaddata();
    );
    
    /*发送请求*/
    function loaddata() 
        $("#table-container").load(/*[[@/admin/blogs/search]]*/"/admin/blogs/search",
            title:$("[name='title']").val(),
            typeId:$("[name='typeId']").val(),
            recommend:$("[name='recommend']").prop('checked'),
            page:$("[name='page']").val()
        );

    

</script>
</body>
</html>

7、渲染表单


8、链接数据库

  • 链接测试

  • 链接成功

9、修改typeService

10、实现接口方法

11、运行,查看结果

  • 出现空指针错误

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