谷粒商城-09-p173-p192
173、商城业务-检索服务-搭建页面环境
接下来我们要在我们的search 服务搭建我们的检索服务
1、引入thymeleaf 依赖
<dependency><groupId>org.springframework.bootgroupId><artifactId>spring-boot-starter-thymeleafartifactId>dependency>
2、index 页面
将老师资料中的l>代码>html>搜索页下的index.html 复制到我们的template的目录下，并添加上thymeleaf的命名空间
<html lang="en" xmlns:th="http://www.thymeleaf.org">
并将index中的所有的 href 和 src 引用的资源都改为 static/search … 开头，接下来我们会把静态资源和之前一样放到nginx中去，做动静分离
3、上传静态资源
在之前存放的静态资源的static的文件夹中新建文件夹search 然后将老师资料中的l>代码>html>搜索页下所有静态资源上传上去
修改nginx的gulimall.conf
server {listen 80;server_name gulimall.com *.gulimall.com;#charset koi8-r;#access_log /var/log/nginx/log/host.access.log main;location / {proxy_set_header Host $host;proxy_pass http://gulimall;}#error_page 404 /404.html;# redirect server error pages to the static page /50x.html#error_page 500 502 503 504 /50x.html;location = /50x.html {root /usr/share/nginx/html;}# proxy the PHP scripts to Apache listening on 127.0.0.1:80##location ~ \.php$ {# proxy_pass http://127.0.0.1;#}4、修改gateway的yaml文件
添加search服务的网关的配置
spring:cloud:gateway:routes:- id: product_routeuri: lb://gulimall-productpredicates:- Path=/api/product/**,/hellofilters:- RewritePath=/api/(?>.*),/$\{segment}- id: coupon_routeuri: lb://gulimall-couponpredicates:- Path=/api/coupon/**filters:- RewritePath=/api/(?>.*),/$\{segment}- id: third_party_routeuri: lb://gulimall-third-partypredicates:- Path=/api/thirdparty/**filters:- RewritePath=/api/thirdparty/(?>.*),/$\{segment}- id: member_routeuri: lb://gulimall-memberpredicates:- Path=/api/member/**filters:- RewritePath=/api/(?>.*),/$\{segment}- id: ware_routeuri: lb://gulimall-warepredicates:- Path=/api/ware/**filters:- RewritePath=/api/(?>.*),/$\{segment}- id: order_routeuri: lb://gulimall-orderpredicates:- Path=/api/order/**filters:- RewritePath=/api/(?>.*),/$\{segment}- id: admin_routeuri: lb://renren-fastpredicates:- Path=/api/**filters:- RewritePath=/api/(?>.*),/renren-fast/$\{segment}- id: gulimall_host_routeuri: lb://gulimall-productpredicates:- Host=gulimall.com,item.gulimall.com- id: gulimall_search_routeuri: lb://gulimall-searchpredicates:- Host=search.gulimall.com
174、商城业务-检索服务-调整页面跳转
这个功能可以查看京东的跳转页面，逻辑是一样的
要求在我们的product的模块的index.html中的（如下代码）有一个search() 能跳转到我们的search服务下的list.html页面
<div class="header_sous"><div class="header_form"><input id="searchText" type="text" placeholder=""/><span style="background: url('/static/index/img/img_12.png') 0 -1px;">span><a href="javascript:search();"><img src="/static/index/img/img_09.png" />a>div>。。。。<script type="text/javascript">function search() {var keyword = $("#searchText").val()window.location.href = "http://search.gulimall.com/list.html?keyword=" + keyword;}
将search服务的index.html重名名为list.html
175、商城业务-检索服务-检索查询参数模型分析抽取
商城检索-检索条件分析
• 1、全文检索：skuTitle-》keyword
• 2、排序：saleCount（销量）、hotScore（热度分）、skuPrice（价格）
• 3、过滤：hasStock、skuPrice区间、brandId、catalog3Id、attrs
• 4、聚合：attrs
• 完整查询参数
• keyword=小米
&sort=saleCount_desc/asc&hasStock=0/1&skuPrice=400_1900&brandId=1&catalog3Id=1&at
trs=1_3G:4G:5G&attrs=2_骁龙845&attrs=4_高清屏
针对上面的我们的请求参数封装如下
package com.atguigu.gulimall.search.vo;import lombok.Data;import java.util.List;/*** @创建人: 放生* @创建时间: 2022/4/30* @描述: 封装页面所有可能传递过来的查询条件* catalog3Id=225&keyword=小米&sort=saleCount_asc&hasStock=0/1&brandId=1&brandId=2* &attrs=1_5寸:8寸&attrs=2_16G:8G*/
@Data
public class SearchParam {private String keyword;//页面传递过来的全文匹配关键字 vprivate Long catalog3Id;//三级分类id v/*** sort=saleCount_asc/desc* sort=skuPrice_asc/desc* sort=hotScore_asc/desc*/private String sort;//排序条件 v/*** 好多的过滤条件* hasStock(是否有货)、skuPrice区间、brandId、catalog3Id、attrs* hasStock=0/1* skuPrice=1_500/_500/500_* brandId=1* attrs=2_5存:6寸**/private Integer hasStock;//是否只显示有货 v 0（无库存）1（有库存）private String skuPrice;//价格区间查询 vprivate List<Long> brandId;//按照品牌进行查询，可以多选 vprivate List<String> attrs;//按照属性进行筛选 vprivate Integer pageNum = 1;//页码private String _queryString;//原生的所有查询条件}176、商城业务-检索服务-检索返回结果模型分析抽取
同样的我们查询出的结果也是需要返回出去的，因此我们的返回结果封装如下
package com.atguigu.gulimall.search.vo;import com.atguigu.common.to.es.SkuEsModel;
import lombok.Data;import java.util.ArrayList;
import java.util.List;/*** @创建人: 放生* @创建时间: 2022/4/30* @描述:*/
@Data
public class SearchResult {//查询到的所有商品信息private List<SkuEsModel> products;/*** 以下是分页信息*/private Integer pageNum;//当前页码private Long total;//总记录数private Integer totalPages;//总页码private List<Integer> pageNavs;private List<BrandVo> brands;//当前查询到的结果，所有涉及到的品牌private List<CatalogVo> catalogs;//当前查询到的结果，所有涉及到的所有分类private List<AttrVo> attrs;//当前查询到的结果，所有涉及到的所有属性//==========以上是返回给页面的所有信息============//面包屑导航数据private List<NavVo> navs = new ArrayList<>();private List<Long> attrIds = new ArrayList<>();@Datapublic static class NavVo{private String navName;private String navValue;private String link;}@Datapublic static class BrandVo{private Long brandId;private String brandName;private String brandImg;}@Datapublic static class CatalogVo{private Long catalogId;private String catalogName;}@Datapublic static class AttrVo{private Long attrId;private String attrName;private List<String> attrValue;}}177、商城业务-检索服务-检索DSL测试-查询部分
1、新建一个SearchController
package com.atguigu.gulimall.search.controller;import com.atguigu.gulimall.search.service.MallSearchService;
import com.atguigu.gulimall.search.vo.SearchParam;
import com.atguigu.gulimall.search.vo.SearchResult;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;import javax.servlet.http.HttpServletRequest;/*** @创建人: 放生* @创建时间: 2022/4/30* @描述:*/
@Controller
public class SearchController {@AutowiredMallSearchService mallSearchService;/*** 自动将页面提交过来的所有请求查询参数封装成指定的对象* @param param* @return*/@GetMapping("/list.html")public String listPage(SearchParam param, Model model, HttpServletRequest request){param.set_queryString(request.getQueryString());//1、根据传递来的页面的查询参数，去es中检索商品SearchResult result = mallSearchService.search(param);model.addAttribute("result",result);return "list";}}2、MallSearchService
package com.atguigu.gulimall.search.service;import com.atguigu.gulimall.search.vo.SearchParam;
import com.atguigu.gulimall.search.vo.SearchResult;/*** @创建人: 放生* @创建时间: 2022/4/30* @描述:*/
public interface MallSearchService {/**** @param param 检索的所有参数* @return 返回检索的结果,里面包含页面需要的所有信息*/SearchResult search(SearchParam param);
}3、MallSearchServiceImpl
package com.atguigu.gulimall.search.service.impl;import com.atguigu.gulimall.search.service.MallSearchService;
import com.atguigu.gulimall.search.vo.SearchParam;
import com.atguigu.gulimall.search.vo.SearchResult;
import org.springframework.stereotype.Service;/*** @创建人: 放生* @创建时间: 2022/4/30* @描述:*/
@Service
public class MallSearchServiceImpl implements MallSearchService {//去es进行检索@Overridepublic SearchResult search(SearchParam param) {return null;}}178、商城业务-检索服务-检索DSL测试-聚合部分
{"query": {"bool": {"must": [{"match": {"skuTitle": "华为"}}],"filter": [{"term": {"catalogId": "225"}},{"terms": {"brandId": ["1","2","9"]}},{"nested": {"path": "attrs","query": {"bool": {"must": [{"term": {"attrs.attrId": {"value": "15"}}},{"terms": {"attrs.attrValue": ["海思（Hisilicon）","以官网信息为准"]}}]}}}},{"term": {"hasStock": {"value": "true"}}},{"range": {"skuPrice": {"gte": 0,"lte": 6000}}}]}},"sort": [{"skuPrice": {"order": "desc"}}],"from": 0,"size": 1,"highlight": {"fields": {"skuTitle": {}},"pre_tags": "","post_tags": ""},"aggs": {"brand_agg": {"terms": {"field": "brandId","size": 10},"aggs": {"brand_name_agg": {"terms": {"field": "brandName","size": 10}},"brand_img_agg": {"terms": {"field": "brandImg","size": 10}}}},"catalog_agg": {"terms": {"field": "catalogId","size": 10},"aggs": {"catalog_name_agg": {"terms": {"field": "catalogName","size": 10}}}},"attr_agg": {"nested": {"path": "attrs"},"aggs": {"attr_id_agg": {"terms": {"field": "attrs.attrId","size": 10},"aggs": {"attr_name_agg": {"terms": {"field": "attrs.attrName","size": 1}},"attr_value_agg": {"terms": {"field": "attrs.attrValue","size": 10}}}}}}}
}
179、商城业务-检索服务-SearchRequest构建-检索
//去es进行检索@Overridepublic SearchResult search(SearchParam param) {//动态构建出查询需要DSL 语句SearchResult result = null;//1、准备检索请求SearchRequest searchRequest = buildSearchRequest(param);try {//2、执行检索请求SearchResponse response = client.search(searchRequest, GulimallElasticSearchConfig.COMMON_OPTIONS);//3、分析响应数据 封装成我们需要的格式result = buildSearchResult(response,param);} catch (IOException e) {e.printStackTrace();}return result;}/*** 准备检索请求* #模糊匹配，过滤（按照属性，分类，品牌，价格区间，库存），排序，分页，高亮，聚合分析* @return*/private SearchRequest buildSearchRequest(SearchParam param) {SearchSourceBuilder sourceBuilder = new SearchSourceBuilder();//构建DSL语句的/*** 查询：过滤（按照属性，分类，品牌，价格区间，库存）*///1、构建bool - queryBoolQueryBuilder boolQuery = QueryBuilders.boolQuery();//1.1、must-模糊匹配，if (!StringUtils.isEmpty(param.getKeyword())) {boolQuery.must(QueryBuilders.matchQuery("skuTitle", param.getKeyword()));}//1.2、bool - filter - 按照三级分类id查询if (param.getCatalog3Id() != null) {boolQuery.filter(QueryBuilders.termQuery("catalogId", param.getCatalog3Id()));}//1.2、bool - filter - 按照品牌id查询if (param.getBrandId() != null && param.getBrandId().size() > 0) {boolQuery.filter(QueryBuilders.termsQuery("brandId", param.getBrandId()));}//1.2、bool - filter - 按照所有指定的属性进行查询if (param.getAttrs() != null && param.getAttrs().size() > 0) {for (String attrStr : param.getAttrs()) {//attrs=1_5寸:8寸&attrs=2_16G:8GBoolQueryBuilder nestedboolQuery = QueryBuilders.boolQuery();//attr = 1_5寸:8寸String[] s = attrStr.split("_");String attrId = s[0]; //检索的属性idString[] attrValues = s[1].split(":"); //这个属性的检索用的值nestedboolQuery.must(QueryBuilders.termQuery("attrs.attrId", attrId));nestedboolQuery.must(QueryBuilders.termsQuery("attrs.attrValue", attrValues));//每一个必须都得生成一个nested查询nestedQuery("attrs", nestedboolQuery, ScoreMode.None) attrs表示的是哪一个字段ScoreMode.None表示不参与评分NestedQueryBuilder nestedQuery = QueryBuilders.nestedQuery("attrs", nestedboolQuery, ScoreMode.None);boolQuery.filter(nestedQuery);}}//1.2、bool - filter - 按照库存是否有进行查询if(param.getHasStock() != null){boolQuery.filter(QueryBuilders.termQuery("hasStock", param.getHasStock() == 1));}//1.2、bool - filter - 按照价格区间if (!StringUtils.isEmpty(param.getSkuPrice())) {//1_500/_500/500_/*** "range": {* "skuPrice": {* "gte": 0,* "lte": 6000* }* }*/RangeQueryBuilder rangeQuery = QueryBuilders.rangeQuery("skuPrice");String[] s = param.getSkuPrice().split("_");if (s.length == 2) {//区间rangeQuery.gte(s[0]).lte(s[1]);} else if (s.length == 1) {if (param.getSkuPrice().startsWith("_")) {rangeQuery.lte(s[0]);}if (param.getSkuPrice().endsWith("_")) {rangeQuery.gte(s[0]);}}boolQuery.filter(rangeQuery);}//把以前的所有条件都拿来进行封装sourceBuilder.query(boolQuery);/*** 排序，分页，高亮，*///2.1、排序if (!StringUtils.isEmpty(param.getSort())) {String sort = param.getSort();//sort=hotScore_asc/descString[] s = sort.split("_");SortOrder order = s[1].equalsIgnoreCase("asc") ? SortOrder.ASC : SortOrder.DESC;sourceBuilder.sort(s[0], order);}//2.2、分页 pageSize:5// pageNum:1 from:0 size:5 [0,1,2,3,4]// pageNum:2 from:5 size:5//from = (pageNum-1)*sizesourceBuilder.from((param.getPageNum() - 1) * EsConstant.PRODUCT_PAGESIZE);sourceBuilder.size(EsConstant.PRODUCT_PAGESIZE);//2.3、高亮if (!StringUtils.isEmpty(param.getKeyword())) {HighlightBuilder builder = new HighlightBuilder();builder.field("skuTitle");builder.preTags("");builder.postTags("");sourceBuilder.highlighter(builder);}/*** 聚合分析*///1、品牌聚合TermsAggregationBuilder brand_agg = AggregationBuilders.terms("brand_agg");brand_agg.field("brandId").size(50);//品牌聚合的子聚合brand_agg.subAggregation(AggregationBuilders.terms("brand_name_agg").field("brandName").size(1));brand_agg.subAggregation(AggregationBuilders.terms("brand_img_agg").field("brandImg").size(1));//TODO 1、聚合brandsourceBuilder.aggregation(brand_agg);//2、分类聚合 catalog_aggTermsAggregationBuilder catalog_agg = AggregationBuilders.terms("catalog_agg").field("catalogId").size(20);catalog_agg.subAggregation(AggregationBuilders.terms("catalog_name_agg").field("catalogName").size(1));//TODO 2、聚合catalogsourceBuilder.aggregation(catalog_agg);//3、属性聚合 attr_aggNestedAggregationBuilder attr_agg = AggregationBuilders.nested("attr_agg", "attrs");//聚合出当前所有的attrIdTermsAggregationBuilder attr_id_agg = AggregationBuilders.terms("attr_id_agg").field("attrs.attrId");//聚合分析出当前attr_id对应的名字attr_id_agg.subAggregation(AggregationBuilders.terms("attr_name_agg").field("attrs.attrName").size(1));//聚合分析出当前attr_id对应的所有可能的属性值attrValueattr_id_agg.subAggregation(AggregationBuilders.terms("attr_value_agg").field("attrs.attrValue").size(50));attr_agg.subAggregation(attr_id_agg);//TODO 3、聚合attrsourceBuilder.aggregation(attr_agg);String s = sourceBuilder.toString();System.out.println("构建的DSL" + s);SearchRequest searchRequest = new SearchRequest(new String[]{EsConstant.PRODUCT_INDEX}, sourceBuilder);return searchRequest;}180、商城业务-检索服务-SearchRequest构建-排序，分页，高亮&测试
见上 。。。
181、商城业务-检索服务-SearchRequest构建-聚合
同上 。。。。
182、商城业务-检索服务-SearchResponset构建-分析&封装
/*** 构建响应数据* @param response* @return*/private SearchResult buildSearchResult(SearchResponse response, SearchParam param) {SearchResult result = new SearchResult();//1、返回的所有查询到的商品SearchHits hits = response.getHits();List<SkuEsModel> esModels = new ArrayList<>();if (hits.getHits() != null && hits.getHits().length > 0) {for (SearchHit hit : hits.getHits()) {String sourceAsString = hit.getSourceAsString();SkuEsModel esModel = JSON.parseObject(sourceAsString, SkuEsModel.class);if(!StringUtils.isEmpty(param.getKeyword())){HighlightField skuTitle = hit.getHighlightFields().get("skuTitle");String string = skuTitle.getFragments()[0].string();esModel.setSkuTitle(string);}esModels.add(esModel);};}result.setProducts(esModels);// //2、当前所有商品涉及到的所有属性信息List<SearchResult.AttrVo> attrVos = new ArrayList<>();ParsedNested attr_agg = response.getAggregations().get("attr_agg");ParsedLongTerms attr_id_agg = attr_agg.getAggregations().get("attr_id_agg");for (Terms.Bucket bucket : attr_id_agg.getBuckets()) {SearchResult.AttrVo attrVo = new SearchResult.AttrVo();//1、得到属性的idlong attrId = bucket.getKeyAsNumber().longValue();//2、得到属性的名字String attrName = ((ParsedStringTerms) bucket.getAggregations().get("attr_name_agg")).getBuckets().get(0).getKeyAsString();//3、得到属性的所有值List<String> attrValues = ((ParsedStringTerms) bucket.getAggregations().get("attr_value_agg")).getBuckets().stream().map(item -> {String keyAsString = ((Terms.Bucket) item).getKeyAsString();return keyAsString;}).collect(Collectors.toList());attrVo.setAttrId(attrId);attrVo.setAttrName(attrName);attrVo.setAttrValue(attrValues);attrVos.add(attrVo);}result.setAttrs(attrVos);
// //3、当前所有商品涉及到的所有品牌信息List<SearchResult.BrandVo> brandVos = new ArrayList<>();ParsedLongTerms brand_agg = response.getAggregations().get("brand_agg");for (Terms.Bucket bucket : brand_agg.getBuckets()) {SearchResult.BrandVo brandVo = new SearchResult.BrandVo();//1、得到品牌的idlong brandId = bucket.getKeyAsNumber().longValue();//2、得到品牌的名String brandName = ((ParsedStringTerms) bucket.getAggregations().get("brand_name_agg")).getBuckets().get(0).getKeyAsString();//3、得到品牌的图片String brandImg = ((ParsedStringTerms) bucket.getAggregations().get("brand_img_agg")).getBuckets().get(0).getKeyAsString();brandVo.setBrandId(brandId);brandVo.setBrandName(brandName);brandVo.setBrandImg(brandImg);brandVos.add(brandVo);}result.setBrands(brandVos);
// //4、当前所有商品涉及到的所有分类信息ParsedLongTerms catalog_agg = response.getAggregations().get("catalog_agg");List<SearchResult.CatalogVo> catalogVos = new ArrayList<>();List<? extends Terms.Bucket> buckets = catalog_agg.getBuckets();for (Terms.Bucket bucket : buckets) {SearchResult.CatalogVo catalogVo = new SearchResult.CatalogVo();//得到分类idString keyAsString = bucket.getKeyAsString();catalogVo.setCatalogId(Long.parseLong(keyAsString));//得到分类名ParsedStringTerms catalog_name_agg = bucket.getAggregations().get("catalog_name_agg");String catalog_name = catalog_name_agg.getBuckets().get(0).getKeyAsString();catalogVo.setCatalogName(catalog_name);catalogVos.add(catalogVo);}result.setCatalogs(catalogVos);
// ========以上从聚合信息中获取======
// //5、分页信息-页码result.setPageNum(param.getPageNum());
// //5、分页信息-总记录树long total = hits.getTotalHits().value;result.setTotal(total);
// //5、分页信息-总页码-计算 11/2 = 5 .. 1int totalPages = (int) total % EsConstant.PRODUCT_PAGESIZE == 0 ? (int) total / EsConstant.PRODUCT_PAGESIZE : ((int) total / EsConstant.PRODUCT_PAGESIZE + 1);result.setTotalPages(totalPages);List<Integer> pageNavs = new ArrayList<>();for (int i=1;i<=totalPages;i++){pageNavs.add(i);}result.setPageNavs(pageNavs);//6、构建面包屑导航功能if(param.getAttrs()!=null && param.getAttrs().size()>0){List<SearchResult.NavVo> collect = param.getAttrs().stream().map(attr -> {//1、分析每个attrs传过来的查询参数值。SearchResult.NavVo navVo = new SearchResult.NavVo();
// attrs=2_5存:6寸String[] s = attr.split("_");navVo.setNavValue(s[1]);R r = productFeignService.attrInfo(Long.parseLong(s[0]));result.getAttrIds().add(Long.parseLong(s[0]));if(r.getCode() == 0){AttrResponseVo data = r.getData("attr", new TypeReference<AttrResponseVo>() {});navVo.setNavName( data.getAttrName());}else{navVo.setNavName(s[0]);}//2、取消了这个面包屑以后，我们要跳转到那个地方.将请求地址的url里面的当前置空//拿到所有的查询条件，去掉当前。//attrs= 15_海思（Hisilicon）String replace = replaceQueryString(param, attr,"attrs");navVo.setLink("http://search.gulimall.com/list.html?"+replace);return navVo;}).collect(Collectors.toList());result.setNavs(collect);}//品牌，分类if(param.getBrandId()!=null && param.getBrandId().size()>0){List<SearchResult.NavVo> navs = result.getNavs();SearchResult.NavVo navVo = new SearchResult.NavVo();navVo.setNavName("品牌");//TODO 远程查询所有品牌R r = productFeignService.brandsInfo(param.getBrandId());if(r.getCode() == 0){List<BrandVo> brand = r.getData("brand", new TypeReference<List<BrandVo>>() {});StringBuffer buffer = new StringBuffer();String replace = "";for (BrandVo brandVo : brand) {buffer.append(brandVo.getBrandName()+";");replace = replaceQueryString(param, brandVo.getBrandId()+"","brandId");}navVo.setNavValue(buffer.toString());navVo.setLink("http://search.gulimall.com/list.html?"+replace);}navs.add(navVo);}//TODO 分类：不需要导航取消return result;}183、商城业务-检索服务-验证结果封装正确性
debug 测试验证即可
184、商城业务-检索服务-页面数据基本渲染
DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head><meta charset="UTF-8"><meta name="viewport"content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0"><meta http-equiv="X-UA-Compatible" content="ie=edge"><link rel="stylesheet" href="/static/search/css/index.css"><link rel="stylesheet" type="text/css" href="/static/search/font/iconfont.css"><script src="/static/search/js/jquery-1.12.4.js">script><title>Documenttitle>
head>
<body>
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