j2ee spring44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

技术分享图片

技术分享图片

技术分享图片

技术分享图片

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="${producttype.note}" />
<SCRIPT type="text/javascript" src="js/xmlhttp.js"></SCRIPT>
<SCRIPT type="text/javascript" >
    function getTopSell(typeid){
        var salespromotion = document.getElementById(‘salespromotion‘);     
        if(salespromotion && typeid!=""){
            salespromotion.innerHTML= "数据正在载入...";
            send_request(function(value){salespromotion.innerHTML=value},
                     "<html:rewrite action="/product/switch"/>?method=topsell&typeid="+ typeid, true);
        }
    }
    function getViewHistory(){
        var viewHistoryUI = document.getElementById(‘viewHistory‘);     
        if(viewHistoryUI){
            viewHistoryUI.innerHTML= "数据正在载入...";
            send_request(function(value){viewHistoryUI.innerHTML=value},
                     "<html:rewrite action="/product/switch"/>?method=getViewHistory", true);
        }
    }
    function pageInit(){
        getTopSell("${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">您如今的位置: <a href="/" name="linkHome">巴巴运动网</a> 
        <s:property value="#out" escapeHtml="false" /><s:property value="#request.pageView.totalrecords" />个)
    </div>

    <!--页面左側分类浏览部分-->
    <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>
    <!--页面右側分类列表部分開始-->
    <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>近期上架时间</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" />">近期上架时间</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">下面<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> 近期上架时间 </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")     //这个表示每次訪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(); //得到从哪个開始索引的值
        //按什么排序的选择
        LinkedHashMap<String, String> orderby = this.buildOrder(pf.getSort());  //获取到对应的排序规则
        //运行的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?

赋值的參数列表 params.add(true); //仅仅有显示为产品上架的才会被显示 //推断是不是有typeid if(pf.getTypeid() != null) { sql.append(" and o.typeid=?"); params.add(pf.getTypeid()); //查询出对应的类别id号作为条件 } //这里先推断一下品牌的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()); //查询出对应的品牌id号作为条件 } //推断选择的性别要求 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()); //依据String获取对应的值 } } //获取全部的子类。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 //推断是不是有typeid if(pf.getTypeid() != null) { typeids.add(pf.getTypeid()); this.getTypeids(typeids, new Integer[]{pf.getTypeid()}); //吧查询出来的全部类型号查询出来 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); //传入參数 } QueryResult<ProductInfo> qr = null; //依据对应的条件取得对应的数据 qr = productInfoService.getScrollData(ProductInfo.class, firstindex, pageview.getMaxresult(), sql.toString(), params.toArray(), orderby); pageview.setQueryResult(qr); //显示对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()) { //取出一个能够上架的样式就跳出循环 if(style.getVisible()) { styles.add(style); //给要显示的样式加入一个对象 break; } } product.setStyles(styles); //每一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)); //查询出对应的品牌 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); //吧这个类别加入到这个路径中 ProductType parenttype = type.getParent(); //获取父类类型 //吧全部的父类,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); //查询出对应的当前类别 request.setAttribute("types", types); //查询出对应的序列 } return "list"; } /** * 查询出全部的子类id(子类的子类全部获取) * @param outtypeids 这个是查询出来的全部的有关id号 * @param typeids 父类id * @return */ public void getTypeids(List<Integer> outtypeids, Integer[] typeids) { //首先查出父类id的全部子类id List<Integer> subtypeids = productTypeService.getSubTypeid(typeids); // //吧自身也包括进去 // List<Integer> typeidss = Arrays.asList(typeids); // outtypeids.addAll(typeidss); //吧自己也加进去 //仅仅要查出来的子类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參数中存放 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>(); //推断字符串前面的 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推断 { orderby.put("createdate", "desc"); } return orderby; //返回对应的排序列表 } 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,可是基本一样了

技术分享图片

总结

这个功能的实现代码并不复杂。代码量也不多。可是最麻烦的时候我们的页面代码非常难调试。或许是我对CSS和HTML更重要的一点我认为是我对struts2的标签库的不熟悉

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