【j2ee spring】44、巴巴运动网前台产品显示

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【j2ee spring】44、巴巴运动网前台产品显示

项目结构

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这里写图片描述

这里写图片描述

这里写图片描述

项目代码

界面显示

<%@ page language="java" isELIgnored="false" contentType="text/html; charset=UTF-8"    pageEncoding="UTF-8"%><%@ taglib uri="/struts-tags" prefix="s" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title>${producttype.name} 巴巴运动网</title>        <link href="css/global/header01.css" rel="stylesheet" type="text/css" />    <link href="css/product/list.css" rel="stylesheet" type="text/css" />       <link href="css/global/topsell.css" rel="stylesheet" type="text/css" />    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />    <meta name="Keywords" content="${producttype.name}" />    <META name="description" content="${producttype.note}" /><SCRIPT type="text/javascript" src="js/xmlhttp.js"></SCRIPT><SCRIPT type="text/javascript" >    function getTopSell(typeid){        var salespromotion = document.getElementById('salespromotion');             if(salespromotion && typeid!=""){            salespromotion.innerHTML= "数据正在加载...";            send_request(function(value){salespromotion.innerHTML=value},                     "<html:rewrite action="/product/switch"/>?method=topsell&typeid="+ typeid, true);        }    }    function getViewHistory(){        var viewHistoryUI = document.getElementById('viewHistory');             if(viewHistoryUI){            viewHistoryUI.innerHTML= "数据正在加载...";            send_request(function(value){viewHistoryUI.innerHTML=value},                     "<html:rewrite action="/product/switch"/>?method=getViewHistory", true);        }    }    function pageInit(){        getTopSell("${producttype.typeid}");        getViewHistory();    }</SCRIPT></head><body class="ProducTypeHome2" onload="javascript:pageInit()">    <jsp:include page="/page/share/Head.jsp"/>    <s:set name="out" value='' />  <!-- 这个是定义了一个变量 -->    <s:iterator value="#request.types" var="type">         <s:set name="out" var="out" value="#out+'&gt;&gt;'+#type.name+'</a>'" />    </s:iterator>    <div id="position">您现在的位置: <a href="/" name="linkHome">巴巴运动网</a>         <s:property value="#out" escapeHtml="false" /><s:property value="#request.pageView.totalrecords" />个)    </div>    <!--页面左侧分类浏览部分-->    <div class="browse_left">         <div class="browse">            <div class="browse_t">${producttype.name}</div>                <h2><span class="gray">浏览下级分类</span></h2>                <ul>                    <s:iterator value="#request.producttype.childtypes" var="childtype">                        <li class='bj_blue'>                             <a href="<s:url action="frontProductlist"/>?typeid=<s:property value="#childtype.typeid" />"><s:property value="#childtype.name" /></a>                        </li>                    </s:iterator>                </ul>         </div><DIV id="sy_biankuang">        <DIV class="lanmu_font">最畅销${producttype.name}</DIV>        <DIV style="PADDING-LEFT: 10px; COLOR: #333333" id="salespromotion">        </DIV></DIV>         <br/>         <div class="browse">              <div class="browse_t">您浏览过的商品</div>              <ul id="viewHistory"></ul>         </div>    </div>    <!--页面右侧分类列表部分开始-->    <div class="browse_right">         <div class="select_reorder">              <div class="reorder_l">请选择排序方式:               <s:if test="%{'selldesc' == pf.sort}"><strong><em>销量多到少</em></strong></s:if>              <s:if test="%{'selldesc' != pf.sort}">                <a title='按销量降序' href="<s:url action="frontProductlist" />?sort=selldesc&typeid=<s:property value="#parameters.typeid" />">销量多到少</a>              </s:if>              |               <s:if test="%{'sellpricedesc' == pf.sort}"><strong><em>价格高到低</em></strong></s:if>              <s:if test="%{'sellpricedesc' != pf.sort}">                <a title='按销量降序' href="<s:url action="frontProductlist" />?sort=sellpricedesc&typeid=<s:property value="#parameters.typeid" />">价格高到低</a>              </s:if>              |               <s:if test="%{'sellpriceasc' == pf.sort}"><strong><em>价格低到低</em></strong></s:if>              <s:if test="%{'sellpriceasc' != pf.sort}">                <a title='价格低到高' href="<s:url action="frontProductlist" />?sort=sellpriceasc&typeid=<s:property value="#parameters.typeid" />">价格低到高</a>              </s:if>              |               <s:if test="%{pf.sort == ''}"><strong><em>最近上架时间</em></strong></s:if>              <s:if test="%{pf.sort != ''}">                <a title='价格低到高' href="<s:url action="frontProductlist" />?sort=&typeid=<s:property value="#parameters.typeid" />">最近上架时间</a>              </s:if>          </div>              <div class="reorder_r">显示方式:                  <s:if test="##">                    <strong><em>图文版</em></strong>                  </s:if>                  <s:if test="##">                    <a href="<html:rewrite action="/product/list/display"/>?sort=${param.sort}&typeid=${param.typeid}&sex=${param.sex }&brandid=${param.brandid}&style=imagetext">图文版</a>                  </s:if> |                  <s:if test="##">                    <a href="<html:rewrite action="/product/list/display"/>?sort=${param.sort}&typeid=${param.typeid}&sex=${param.sex }&brandid=${param.brandid}&style=image">图片版</a>                  </s:if>                  <s:if test="##">                    <strong><em>图片版</em></strong>                  </s:if>              </div>            <div class="emptybox"></div>             <div class="brand">                <div class="FindByHint"><strong>品牌</strong>选择:</div>                <ul class="CategoryListTableLevel1">                    <s:iterator value="#request.brands" var="brand">                         <li>                            <a href="<s:url action="frontProductlist" />?sort=<s:property value="#request.sort" />                                                &brandid=<s:property value="#brand.code" />&typeid=<s:property value="#parameters.typeid" />">                                                <s:property value="#brand.name" />                            </a>                        </li>                    </s:iterator>                </ul>             </div>             <div class="SubCategoryBox">                <div class="FindByHint"><strong>男女款</strong>选择:</div>                <ul class="CategoryListTableLevel1">                <li>                    <a  href="<s:url action="frontProductlist"/>?sort=sellpriceasc&                                typeid=<s:property value="#parameters.typeid" />&                                sex=MAN&brandid=<s:property value="#brand.code" />">男款</a>                </li>                <li>                    <a  href="<s:url action="frontProductlist"/>?sort=sellpriceasc&                                typeid=<s:property value="#parameters.typeid" />&                                sex=WOMEN&brandid=<s:property value="#brand.code" />">女款</a>                </li>                <li>                    <a  href="<s:url action="frontProductlist"/>?sort=sellpriceasc&typeid=<s:property value="#parameters.typeid" />&                                sex=NONE&brandid=<s:property value="#brand.code" />">男女均可</a>                </li>                <li>                    <a class="red" href="<s:url action="frontProductlist"/>?sort=sellpriceasc&typeid=<s:property value="#parameters.typeid" />">全部</a>                </li>                </ul>             </div>        </div>         <div id="divNaviTop" class="number">               <div class="number_l">以下<span class='number_white'><s:property value="#request.pageView.totalrecords" /></span>条结果按<span class="number_white">                <s:if test="%{'selldesc' == #request.sort}">                    销量多到少                </s:if>                <s:elseif test="%{'sellpricedesc' == #request.sort}">                    价格高到低                </s:elseif>                <s:elseif test="%{'sellpriceasc' == #request.sort}">                    价格低到高                </s:elseif>                <s:else>                    最近上架时间                </s:else>              </span>排列,显示方式是<span class="number_white"><s:if test="##">图文版</s:if><s:if test="##">图片版</s:if></span> 每页显示<span class="number_white">${pageView.maxresult}</span></div>              <div class="turnpage">                <div><em>第${pageView.currentpage}页</em></div>              </div>         </div>    <div class='goods_pic'><!---------------------------LOOP START------------------------------><s:iterator value="#request.pageView.records" var="entry">    <div class="detail">           <div class="goods" style="cursor:hand;background:url(<s:iterator value="#entry.styles" var="pic"><s:property value="#pic.image140FullPath" /> </s:iterator>) center center no-repeat">            <a href="/html/product/<s:property value="#entry.type.typeid" />/<s:property value="#entry.id" />.shtml" target="_blank">                <img src="../../../images/global/product_blank.gif" alt="<s:property value="#entry.name" />" width="140" height="168"  border="0"/>             </a>         </div>        <h2>            <a href="/html/product/<s:property value="#entry.type.typeid" />/<s:property value="#entry.id" />.shtml" target="_blank" title="<s:property value="#entry.name" />}"><s:property value="#entry.name" /></a>        </h2>        <div class="save_number">            <s><s:property value="#entry.marketprice" /></s>             <strong><em><s:property value="#entry.sellprice" /></em></strong> 节省:<s:property value="#entry.savedPrice" />        </div>        <div class="an_img" align="center">            <a href="/html/product/<s:property value="#entry.type.typeid" />/<s:property value="#entry.id" />.shtml">                <img src='images/sale.gif' width='84' height='24' border='0' class='a_1' />            </a>        </div>     </div></s:iterator><!----------------------LOOP END------------------------------->        <div class='emptybox'></div>    </div>         <div id="divNaviBottom" class="page_number">         <div class="turnpage turnpage_bottom">         <s:iterator begin="%{#request.pageView.pageindex.startpage}" end="%{#request.pageView.pageindex.endpage}" var="index">            <s:if test="#request.pageView.currentpage == #index"><div class='red'>第${index}页 </div></s:if>            <s:else>                <div class="page">                    <a href="<s:url action="frontProductlist" />?page=${index }&typeid=<s:property value="#parameters.typeid" />&sort=<s:property value="#parameters.sort" />" onclick="topage(${index })" class="a03">第${index}页 </a>                </div>            </s:else>        </s:iterator>        <div>&nbsp;&nbsp;</div>        跳转到第        <select name="selectPage" class="kuang" onchange="javascript:topage(this.value)">            <s:iterator begin="1" end="#request.pageView.totalpage" var="index">                 <option value="${index }" &amp;amp;amp;amp;amp;lt;s:if test="%{#request.pageView.currentpage == #index}" >selected="selected"</s:if> >                    <s:property value="#index" />                </option>            </s:iterator>        </Select><input type="hidden" id="typeid" value="<s:property value="#parameters.typeid" />" />        <input type="hidden" id="sort" value="<s:property value="#parameters.sort" />" />        <SCRIPT type="text/javascript">            function topage(pagenum)            {                var typeid=document.getElementById("typeid").value;                var sort=document.getElementById("sort").value;                window.location.href="<s:url action='frontProductlist' />?sort="+ sort +"&page="+ pagenum +"&typeid="+ typeid;            }        </SCRIPT>         </div>         </div>    </div>    <jsp:include page="/page/share/Foot.jsp" /></body></html>

后台代码展示

/** * 功能:这个是前台产品展示的控制器 * 时间:2015年6月3日09:46:50 * 文件:FrontProductAction.java * 作者:cutter_point */package com.cutter_point.web.action.product;import java.util.ArrayList;import java.util.HashSet;import java.util.LinkedHashMap;import java.util.List;import java.util.Set;import javax.annotation.Resource;import javax.servlet.http.HttpServletRequest;import org.apache.struts2.interceptor.ServletRequestAware;import org.springframework.context.annotation.Scope;import org.springframework.stereotype.Controller;import com.cutter_point.bean.PageView;import com.cutter_point.bean.QueryResult;import com.cutter_point.bean.product.ProductInfo;import com.cutter_point.bean.product.ProductStyle;import com.cutter_point.bean.product.ProductType;import com.cutter_point.bean.product.Sex;import com.cutter_point.service.product.ProductInfoService;import com.cutter_point.service.product.ProductTypeService;import com.cutter_point.web.formbean.product.FrontProductForm;import com.opensymphony.xwork2.ActionSupport;import com.opensymphony.xwork2.ModelDriven;@Controller@Scope("prototype")     //这个表示每次访问的时候都会有一个新的对象创建public class FrontProductAction extends ActionSupport implements ServletRequestAware, ModelDriven<FrontProductForm>{    private static final long serialVersionUID = -568904658537583015L;    @Resource    private ProductInfoService productInfoService;  //业务注入    @Resource    private ProductTypeService productTypeService;  //业务注入    private HttpServletRequest request;    private FrontProductForm pf;    //一个表单bean    @Override    public String execute() throws Exception     {        PageView<ProductInfo> pageview = new PageView<ProductInfo>(2, pf.getPage());        pageview.setPagecode(20);   //这个是为了设置页码数        int firstindex = (pageview.getCurrentpage() - 1) * pageview.getMaxresult(); //得到从哪个开始索引的值        //按什么排序的选择        LinkedHashMap<String, String> orderby = this.buildOrder(pf.getSort());  //获取到相应的排序规则        //执行的SQL语句        StringBuilder sql = new StringBuilder(" o.visible=?");  //用来组装的SQL语句        List<Object> params = new ArrayList<Object>();      //用来给?赋值的参数列表        params.add(true);   //只有显示为产品上架的才会被显示        //判断是不是有typeid        if(pf.getTypeid() != null)        {            sql.append(" and o.typeid=?");            params.add(pf.getTypeid()); //查询出相应的类别id号作为条件        }        //这里先判断一下品牌的id是不是为空        if(pf.getBrandid() != null && !"".equals(pf.getBrandid().trim()))        {            //这里组装一条语句            sql.append(" and o.brandid=?");            params.add(pf.getBrandid());    //查询出相应的品牌id号作为条件        }        //判断选择的性别要求        if(pf.getSex() != null)        {            //获取性别属性            String sex = pf.getSex().trim();            if("NONE".equalsIgnoreCase(sex) || "MAN".equalsIgnoreCase(sex) || "WOMEN".equalsIgnoreCase(sex))            {                sql.append(" and o.sexrequest=?");                params.add(Sex.valueOf(sex).toString());    //根据String获取相应的值            }        }        //获取所有的子类,包括子类的子类        List<Integer> typeids = new ArrayList<Integer>();        //首先把顶级要查询的父类放进去        //判断是不是有typeid        if(pf.getTypeid() != null)        {            typeids.add(pf.getTypeid());            this.getTypeids(typeids, new Integer[]{pf.getTypeid()});            //吧查询出来的所有类型号查询出来            StringBuilder sb = new StringBuilder();            for(int i = 0; i < typeids.size(); ++i)            {                sb.append("?,");            }            //去掉逗号            sb.deleteCharAt(sb.length() - 1);            sql.append("and o.typeid in (" + sb.toString() + ")");            params.addAll(typeids);  //传入参数        }        QueryResult<ProductInfo> qr = null;        //根据相应的条件取得相应的数据        qr = productInfoService.getScrollData(ProductInfo.class, firstindex, pageview.getMaxresult(), sql.toString(), params.toArray(), orderby);        pageview.setQueryResult(qr);        //显示相应产品的样式的时候,我们要显示一个        for(ProductInfo product : pageview.getRecords())        {            Set<ProductStyle> styles = new HashSet<ProductStyle>();            //然后把取出来的产品的样式一个一个地取出来            for(ProductStyle style : product.getStyles())            {                //取出一个可以上架的样式就跳出循环                if(style.getVisible())                {                    styles.add(style); //给要显示的样式添加一个对象                    break;                }            }            product.setStyles(styles); //每个产品的样式给设置出来        }        request.setAttribute("sort", pf.getSort());        request.setAttribute("pageView", pageview);        if(pf.getTypeid() != null)        {            Integer[] ids = new Integer[typeids.size()];    //吧类型转换为数组            for(int i = 0; i < typeids.size(); ++i)            {                ids[i] = typeids.get(i);            }            request.setAttribute("brands", productInfoService.getBrandsByProductTypeid(ids));   //查询出相应的品牌            ProductType type = productTypeService.find(ProductType.class, pf.getTypeid());  //查找到当前的类别            //页面循环显示导航路径            List<ProductType> types = new ArrayList<ProductType>();            types.add(type);    //吧这个类别添加到这个路径中            ProductType parenttype = type.getParent();  //获取父类类型            //吧所有的父类,父类的父类的父类。。。全部放到list作为路径            while(parenttype  != null)            {                types.add(parenttype);                parenttype = parenttype.getParent();            }            request.setAttribute("producttype", type);  //查询出相应的当前类别            request.setAttribute("types", types);   //查询出相应的序列        }        return "list";    }    /**     * 查询出所有的子类id(子类的子类全部获取)     * @param outtypeids    这个是查询出来的所有的有关id号     * @param typeids   父类id     * @return     */    public void getTypeids(List<Integer> outtypeids, Integer[] typeids)    {        //首先查出父类id的所有子类id        List<Integer> subtypeids = productTypeService.getSubTypeid(typeids);//      //吧自身也包含进去//      List<Integer> typeidss = Arrays.asList(typeids);//      outtypeids.addAll(typeidss);    //吧自己也加进去        //只要查出来的子类id号不为空说明子类可能还有子类,一直把最后一层之类查询不出来为止        if(subtypeids != null && subtypeids.size() > 0)        {            //吧查询出来的子类放出到参数中存放            outtypeids.addAll(subtypeids);            //然后把查询出来的子类当做父类进行查询            Integer[] ids = new Integer[subtypeids.size()];            for(int i = 0; i < subtypeids.size(); ++i)            {                ids[i] = Integer.valueOf(subtypeids.get(i).toString());            }            getTypeids(outtypeids, ids);    //吧List转化为数组        }    }    /**     * 组装排序规则     * @param orderfiled     * @return     */    private LinkedHashMap<String, String> buildOrder(String orderfiled)    {        LinkedHashMap<String, String> orderby = new LinkedHashMap<String, String>();        //判断字符串前面的 是不是以字符串orderfiled结尾.        if("selldesc".equals(orderfiled))        {            orderby.put("sellcount", "desc");   //这个是以销量来排序        }        else if("sellpricedesc".equals(orderfiled)) //这个是以销售价格的高低来排序        {            orderby.put("sellprice", "desc");        }        else if("sellpriceasc".equals(orderfiled)) //这个是以价格的低高来排序        {            orderby.put("sellprice", "asc");        }        else    //以产品的上架时间来判断        {            orderby.put("createdate", "desc");        }        return orderby; //返回相应的排序列表    }    public ProductInfoService getProductInfoService() {        return productInfoService;    }    public void setProductInfoService(ProductInfoService productInfoService) {        this.productInfoService = productInfoService;    }    public FrontProductForm getPf() {        return pf;    }    public void setPf(FrontProductForm pf) {        this.pf = pf;    }    @Override    public FrontProductForm getModel()     {        //从页面获取表单值        if(pf == null)            pf = new FrontProductForm();        return pf;    }    @Override    public void setServletRequest(HttpServletRequest arg0)     {        this.request = arg0;    }}

前台页面显示

这个页面都是我们最后做好的页面,这里可能有一点点和上面的代码对不上,但是基本一样了

这里写图片描述

总结

这个功能的实现代码并不复杂,代码量也不多,但是最麻烦的时候我们的页面代码很难调试,也许是我对CSS和HTML更重要的一点我觉得是我对struts2的标签库的不熟悉

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