idea中完成简单的搜索

mac2022-06-30  121

一.简单的搜索功能

1:mapper.xml文件: <?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.google.crm.dao.SearchItemDao">     <select id="getItemList" resultType="SearchItem"> SELECT          a.id,          a.title,          a.sell_point,          a.price,          a.image,          b. NAME category_name,          c.item_desc       FROM          tb_item a       LEFT JOIN tb_item_cat b ON a.cid = b.id       LEFT JOIN tb_item_desc c ON a.id = c.item_id       WHERE          a.`status` = 1   </select> </mapper> 2:model模型创建 SearchItem.java private String id; private String title; private String sell_point; private long price; private String image; private String category_name; private String item_desc; 3.dao接口: public interface SearchItemDao {     List<SearchItem> getItemList(); } 4.service服务层:@Service public class SearchItemService {     @Resource     private SearchItemDao searchItemDao;     public List<SearchItem> getItem(){        return this.searchItemDao.getItemList();     } } 5.controller控制层:public String getsearchitem(Model model) {     List<SearchItem> searchItems = this.searchItemService.getItem();     if (searchItems != null) {           model.addAttribute("searchItems", searchItems);         return "searchItems";       } else {         return "init";     } } 6.可视化层view: <table border="1">     <tr align="center">         <td>id</td>         <td>标题</td>         <td>买点</td>         <td>价格</td>         <td>图片</td>         <td>分类</td>        <%-- <td>描述</td>--%>     </tr>     <c:forEach var="s" items="${searchItems }">         <tr align="center">             <td>${s.id }</td>             <td>${s.title }</td>             <td>${s.sell_point }</td>             <td>${s.price }</td>             <td>${s.image }</td>             <td>${s.category_name }</td>            <%-- <td>${s.item_desc }</td>--%>         </tr>     </c:forEach> </table> 二.测试用例 把测试文档写到solr引擎上 http://localhost:8080/solr/#/ 127.0.0.1 http://127.0.0.1:8080/solr/#/ http://192.168.226.132:8000/solr/#/ 打通windows和ubuntu下的solr引擎 http://192.168.0.128:8080/solr/#/ 使用ifconfig命令时,只返回lo这一项 解决方法:安装无线网卡即可 1. sudo lshw -numeric -class network 2. sudo route -nv 3. sudo dhclient -v idea写测试文件

转载于:https://www.cnblogs.com/llaq/p/9439668.html

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