【j2ee spring】44、巴巴运动网前台产品显示
项目结构
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+‘>>‘+#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">按<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">按<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">${pageView.maxresult}</span>条</div>
<div class="turnpage">
<div><em>第${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> </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;lt;s:if test="%{#request.pageView.currentpage == #index}" >selected="selected"</s:if> >
<s:property value="#index" />
</option>
</s:iterator>
</Select>
页
<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
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
