这篇文章内容简短，主要介绍了javaweb图书商城中的分类模块，具体内容如下
分类模块的相关类创建
cn.itcast.bookstore.category domain：Category dao：CategoryDao service：CategoryService web.servlet：CategoryServlet
查询所有分类
流程：main.jsp（） -> CategoryService#findAll() -> left.jsp</p> <p>Category</p> <pre class="brush:php;toolbar:false"> public class Category { private String cid; private String cname; public String getCid() { return cid; } public void setCid(String cid) { this.cid = cid; } public String getCname() { return cname; } public void setCname(String cname) { this.cname = cname; } } </pre> <p>以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持考高分网。</p></div> </div> <div style="clear: both;"></div> <div class="author-info fl"> <div><span class="gray">转载请注明：</span>文章转载自 <a href="https://www.mshxw.com/" class="blue">www.mshxw.com</a></div> <div><span class="gray">本文地址：</span><a href="https://www.mshxw.com/it/148680.html" class="blue">https://www.mshxw.com/it/148680.html</a></div> </div> <div class="prev fl"> <p> <a style='text-align:left;' class='center-block text-center glyphicon glyphicon-collapse-down' href="https://www.mshxw.com/it/148679.html">上一篇 QR 二维码中插入图片实现方法</a> </p> <p> <a style='text-align:left;' class='center-block text-center glyphicon glyphicon-collapse-down' href="https://www.mshxw.com/it/148683.html">下一篇 Java实现BASE64编码和解码的方法</a> </p> </div> <div class="new_tag fl"> </div> </div> <div class="new_r fr" style="border-radius:10px;"> <div class="tui fl"> <h3>Java相关栏目本月热门文章</h3> <ul> <li><span>1</span><a href="https://www.mshxw.com/it/1041277.html" title="【Linux驱动开发】设备树详解（二）设备树语法详解">【Linux驱动开发】设备树详解（二）设备树语法详解</a></li> <li><span>2</span><a href="https://www.mshxw.com/it/1041273.html" title="别跟客户扯细节">别跟客户扯细节</a></li> <li><span>3</span><a href="https://www.mshxw.com/it/1041266.html" title="Springboot+RabbitMQ+ACK机制(生产方确认(全局、局部)、消费方确认)、知识盲区">Springboot+RabbitMQ+ACK机制(生产方确认(全局、局部)、消费方确认)、知识盲区</a></li> <li><span>4</span><a href="https://www.mshxw.com/it/1041261.html" title="【Java】对象处理流（ObjectOutputStream和ObjectInputStream）">【Java】对象处理流（ObjectOutputStream和ObjectInputStream）</a></li> <li><span>5</span><a href="https://www.mshxw.com/it/1041256.html" title="【分页】常见两种SpringBoot项目中分页技巧">【分页】常见两种SpringBoot项目中分页技巧</a></li> <li><span>6</span><a href="https://www.mshxw.com/it/1041299.html" title="一文带你搞懂OAuth2.0">一文带你搞懂OAuth2.0</a></li> <li><span>7</span><a href="https://www.mshxw.com/it/1041297.html" title="我要写整个中文互联网界最牛逼的JVM系列教程 | 「JVM与Java体系架构」章节：虚拟机与Java虚拟机介绍">我要写整个中文互联网界最牛逼的JVM系列教程 | 「JVM与Java体系架构」章节：虚拟机与Java虚拟机介绍</a></li> <li><span>8</span><a href="https://www.mshxw.com/it/1041296.html" title="【Spring Cloud】新闻头条微服务项目：FreeMarker模板引擎实现文章静态页面生成">【Spring Cloud】新闻头条微服务项目：FreeMarker模板引擎实现文章静态页面生成</a></li> <li><span>9</span><a href="https://www.mshxw.com/it/1041294.html" title="JavaSE - 封装、static成员和内部类">JavaSE - 封装、static成员和内部类</a></li> <li><span>10</span><a href="https://www.mshxw.com/it/1041291.html" title="树莓派mjpg-streamer实现监控及拍照功能调试">树莓派mjpg-streamer实现监控及拍照功能调试</a></li> <li><span>11</span><a href="https://www.mshxw.com/it/1041289.html" title="用c++写一个蓝屏代码">用c++写一个蓝屏代码</a></li> <li><span>12</span><a href="https://www.mshxw.com/it/1041285.html" title="从JDK8源码中看ArrayList和LinkedList的区别">从JDK8源码中看ArrayList和LinkedList的区别</a></li> <li><span>13</span><a href="https://www.mshxw.com/it/1041281.html" title="idea 1、报错java: 找不到符号 符号: 变量 log 2、转换成Maven项目">idea 1、报错java: 找不到符号 符号: 变量 log 2、转换成Maven项目</a></li> <li><span>14</span><a href="https://www.mshxw.com/it/1041282.html" title="在openwrt使用C语言增加ubus接口（包含C uci操作）">在openwrt使用C语言增加ubus接口（包含C uci操作）</a></li> <li><span>15</span><a href="https://www.mshxw.com/it/1041278.html" title="Spring 解决循环依赖">Spring 解决循环依赖</a></li> <li><span>16</span><a href="https://www.mshxw.com/it/1041275.html" title="SpringMVC——基于MVC架构的Spring框架">SpringMVC——基于MVC架构的Spring框架</a></li> <li><span>17</span><a href="https://www.mshxw.com/it/1041272.html" title="Andy‘s First Dictionary C++ STL set应用">Andy‘s First Dictionary C++ STL set应用</a></li> <li><span>18</span><a href="https://www.mshxw.com/it/1041271.html" title="动态内存管理">动态内存管理</a></li> <li><span>19</span><a href="https://www.mshxw.com/it/1041270.html" title="我的创作纪念日">我的创作纪念日</a></li> <li><span>20</span><a href="https://www.mshxw.com/it/1041269.html" title="Docker自定义镜像-Dockerfile">Docker自定义镜像-Dockerfile</a></li> </ul> </div> </div> </div> <!-- 公共尾部 --> <div class="link main"> <div class="link_tit"> <span class="on">热门相关搜索</span> </div> <div class="link_tab"> <div class="link_con"> <a href="http://www.mshxw.com/TAG_1/luyouqishezhi.html">路由器设置</a> <a href="http://www.mshxw.com/TAG_1/mutuopan.html">木托盘</a> <a href="http://www.mshxw.com/TAG_1/baotamianban.html">宝塔面板</a> <a href="http://www.mshxw.com/TAG_1/shaoerpython.html">儿童python教程</a> <a href="http://www.mshxw.com/TAG_1/xinqingdiluo.html">心情低落</a> <a href="http://www.mshxw.com/TAG_1/pengyouquan.html">朋友圈</a> <a href="http://www.mshxw.com/TAG_1/vim.html">vim</a> <a href="http://www.mshxw.com/TAG_1/shuangyiliuxueke.html">双一流学科</a> <a href="http://www.mshxw.com/TAG_1/zhuanshengben.html">专升本</a> <a href="http://www.mshxw.com/TAG_1/wodexuexiao.html">我的学校</a> <a href="http://www.mshxw.com/TAG_1/rijixuexiao.html">日记学校</a> <a href="http://www.mshxw.com/TAG_1/xidianpeixunxuexiao.html">西点培训学校</a> <a href="http://www.mshxw.com/TAG_1/qixiuxuexiao.html">汽修学校</a> <a href="http://www.mshxw.com/TAG_1/qingshu.html">情书</a> <a href="http://www.mshxw.com/TAG_1/huazhuangxuexiao.html">化妆学校</a> <a href="http://www.mshxw.com/TAG_1/tagouwuxiao.html">塔沟武校</a> <a href="http://www.mshxw.com/TAG_1/yixingmuban.html">异形模板</a> <a href="http://www.mshxw.com/TAG_1/xinandaxuepaiming.html">西南大学排名</a> <a href="http://www.mshxw.com/TAG_1/zuijingpirenshengduanju.html">最精辟人生短句</a> <a href="http://www.mshxw.com/TAG_1/6bujiaonizhuihuibeipian.html">6步教你追回被骗的钱</a> <a href="http://www.mshxw.com/TAG_1/nanchangdaxue985.html">南昌大学排名</a> <a href="http://www.mshxw.com/TAG_1/qingchaoshierdi.html">清朝十二帝</a> <a href="http://www.mshxw.com/TAG_1/beijingyinshuaxueyuanpaiming.html">北京印刷学院排名</a> <a href="http://www.mshxw.com/TAG_1/beifanggongyedaxuepaiming.html">北方工业大学排名</a> <a href="http://www.mshxw.com/TAG_1/beijinghangkonghangtiandaxuepaiming.html">北京航空航天大学排名</a> <a href="http://www.mshxw.com/TAG_1/shoudoujingjimaoyidaxuepaiming.html">首都经济贸易大学排名</a> <a href="http://www.mshxw.com/TAG_1/zhongguochuanmeidaxuepaiming.html">中国传媒大学排名</a> <a href="http://www.mshxw.com/TAG_1/shoudoushifandaxuepaiming.html">首都师范大学排名</a> <a href="http://www.mshxw.com/TAG_1/zhongguodezhidaxue(beijing)paiming.html">中国地质大学(北京)排名</a> <a href="http://www.mshxw.com/TAG_1/beijingxinxikejidaxuepaiming.html">北京信息科技大学排名</a> <a href="http://www.mshxw.com/TAG_1/zhongyangminzudaxuepaiming.html">中央民族大学排名</a> <a href="http://www.mshxw.com/TAG_1/beijingwudaoxueyuanpaiming.html">北京舞蹈学院排名</a> <a href="http://www.mshxw.com/TAG_1/beijingdianyingxueyuanpaiming.html">北京电影学院排名</a> <a href="http://www.mshxw.com/TAG_1/zhongguohuquxueyuanpaiming.html">中国戏曲学院排名</a> <a href="http://www.mshxw.com/TAG_1/hebeizhengfazhiyexueyuanpaiming.html">河北政法职业学院排名</a> <a href="http://www.mshxw.com/TAG_1/hebeijingmaodaxuepaiming.html">河北经贸大学排名</a> <a href="http://www.mshxw.com/TAG_1/tianjinzhongdeyingyongjishudaxuepaiming.html">天津中德应用技术大学排名</a> <a href="http://www.mshxw.com/TAG_1/tianjinyixuegaodengzhuankexuejiaopaiming.html">天津医学高等专科学校排名</a> <a href="http://www.mshxw.com/TAG_1/tianjinmeishuxueyuanpaiming.html">天津美术学院排名</a> <a href="http://www.mshxw.com/TAG_1/tianjinyinlexueyuanpaiming.html">天津音乐学院排名</a> <a href="http://www.mshxw.com/TAG_1/tianjingongyedaxuepaiming.html">天津工业大学排名</a> <a href="http://www.mshxw.com/TAG_1/beijinggongyedaxuegengdanxueyuanpaiming.html">北京工业大学耿丹学院排名</a> <a href="http://www.mshxw.com/TAG_1/beijingjingchaxueyuanpaiming.html">北京警察学院排名</a> <a href="http://www.mshxw.com/TAG_1/tianjinkejidaxuepaiming.html">天津科技大学排名</a> <a href="http://www.mshxw.com/TAG_1/beijingyoudiandaxue(hongfujiaoou)paiming.html">北京邮电大学(宏福校区)排名</a> <a href="http://www.mshxw.com/TAG_1/beijingwanglaozhiyexueyuanpaiming.html">北京网络职业学院排名</a> <a href="http://www.mshxw.com/TAG_1/beijingdaxueyixuebupaiming.html">北京大学医学部排名</a> <a href="http://www.mshxw.com/TAG_1/hebeikejidaxuepaiming.html">河北科技大学排名</a> <a href="http://www.mshxw.com/TAG_1/hebeidezhidaxuepaiming.html">河北地质大学排名</a> <a href="http://www.mshxw.com/TAG_1/hebeitiyoxueyuanpaiming.html">河北体育学院排名</a> </div> </div> </div> <div class="footer"> <div class="dl_con"> <div class="width1200"> <dl> <dt>学习工具</dt> <dd><a href="https://www.mshxw.com/tools/algebra/" title="代数计算器">代数计算器</a></dd> <dd><a href="https://www.mshxw.com/tools/trigonometry/" title="三角函数计算器">三角函数</a></dd> <dd><a href="https://www.mshxw.com/tools/analytical/" title="解析几何">解析几何</a></dd> <dd><a href="https://www.mshxw.com/tools/solidgeometry/" title="立体几何">立体几何</a></dd> </dl> <dl> <dt>知识解答</dt> <dd><a href="https://www.mshxw.com/ask/1033/" title="教育知识">教育知识</a></dd> <dd><a href="https://www.mshxw.com/ask/1180/" title="百科知识">百科知识</a></dd> <dd><a href="https://www.mshxw.com/ask/1155/" title="生活知识">生活知识</a></dd> <dd><a class="https://www.mshxw.com/ask/1199/" title="常识知识">常识知识</a></dd> </dl> <dl> <dt>写作必备</dt> <dd><a href="https://www.mshxw.com/zuowen/1128/" title="作文大全">作文大全</a></dd> <dd><a href="https://www.mshxw.com/zuowen/1130/" title="作文素材">作文素材</a></dd> <dd><a href="https://www.mshxw.com/zuowen/1132/" title="句子大全">句子大全</a></dd> <dd><a href="https://www.mshxw.com/zuowen/1154/" title="实用范文">实用范文</a></dd> </dl> <dl class="mr0"> <dt>关于我们</dt> <dd><a href="https://www.mshxw.com/about/index.html" title="关于我们" rel="nofollow">关于我们</a></dd> <dd><a href="https://www.mshxw.com/about/contact.html" title="联系我们" rel="nofollow">联系我们</a></dd> <dd><a href="https://www.mshxw.com/sitemap/" title="网站地图">网站地图</a></dd> </dl> <div class="dl_ewm"> <div class="wx"> <img src="https://www.mshxw.com/skin/sinaskin//kaotop/picture/gzh.jpg" alt="交流群"> <p>名师互学网交流群</p> </div> <div class="wx"><img src="https://www.mshxw.com/skin/sinaskin//kaotop/picture/weixin.jpg" alt="名师互学网客服"> <p>名师互学网客服</p> </div> </div> </div> </div> <div class="copyright"> <p>名师互学网 版权所有 (c)2021-2022 ICP备案号：<a href="https://beian.miit.gov.cn" rel="nofollow">晋ICP备2021003244-6号</a> </p> </div> </div> <!-- 手机端 --> <div class="m_foot_top"> <img src="https://www.mshxw.com/foot.gif" width="192" height="27" alt="我们一直用心在做"><br/> <a href="https://www.mshxw.com/about/index.html">关于我们</a> <a href="https://www.mshxw.com/archiver/">文章归档</a> <a href="https://www.mshxw.com/sitemap">网站地图</a> <a href="https://www.mshxw.com/about/contact.html">联系我们</a> <p>版权所有 (c)2021-2022 MSHXW.COM</p> <p>ICP备案号：<a href="https://beian.miit.gov.cn/" rel="nofollow">晋ICP备2021003244-6号</a></p> </div> <div class="to_top" style="display:none;"><img src="https://www.mshxw.com/skin/sinaskin//kaotop/picture/to_top.png"></div> <!--广告!--> <script type="text/javascript" src="https://www.mshxw.com/skin/sinaskin//kaotop/js/top.js"></script> <script src="https://www.mshxw.com/skin/sinaskin//kaotop/js/fixed.js" type="text/javascript"></script> <!--头条搜索!--> <script> (function(){ var el = document.createElement("script"); el.src = "https://lf1-cdn-tos.bytegoofy.com/goofy/ttzz/push.js?018f42187355ee18d1bfcee0487fc91a76ac6319beb05b7dc943033ed22c446d3d72cd14f8a76432df3935ab77ec54f830517b3cb210f7fd334f50ccb772134a"; el.id = "ttzz"; var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(el, s); })(window) </script> <!--头条搜索结束!--> <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?e05fec1c87ee5ca07f1ce57d093866c4"; var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(hm, s); })(); </script> </div> </div> <script type="text/javascript"> $(".alert_kf").click(function() { mantis.requestChat(); }); </script> <script type="text/javascript"> var mySwiper_weixin = new Swiper('.pc_swiper_weixin', { autoplay: 3000, //可选选项，自动滑动 loop: true, speed: 1000, pagination: '.swiper-pagination', paginationClickable: true, }) </script> <script type="text/javascript"> $(function() { $(window).scroll(function() { if ($(window).scrollTop() > 100) { $(".to_top").fadeIn(1000); } else { $(".to_top").fadeOut(1000); } }); $(".to_top").click(function() { if ($('html').scrollTop()) { $('html').animate({ scrollTop: 0 }, 300); return false; } $('body').animate({ scrollTop: 0 }, 300); return false; }); }); </script> </body> </html>
