SolrJf复杂条件查询

最新推荐文章于 2021-11-14 17:47:59 发布

原创最新推荐文章于 2021-11-14 17:47:59 发布 · 346 阅读

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public static SearchResult search(SolrQuery query) throws SolrServerException {
	SearchResult searchResult = new SearchResult();
	//创建SolrServer
	SolrServer solrServer = new HttpSolrServer("http://192.168.25.131:8080/solr");
        //创建一个SolrQuery对象  
        SolrQuery query = new SolrQuery();  
        //设置查询条件  
        query.setQuery(keyword);
        if(page <= 0) page = 1;
        int start = (page - 1) * row;
        query.setStart(start); //设置分页：起始页 
        query.setRows(row); //设置分页：页面大小 
        query.set("df", "item_title"); //设置默认搜索域，若不指定默认搜索域，默认从text中找 
        query.setHighlight(true); //开启高亮 
        query.addHighlightField("item_title"); //设置高亮的域 
        query.setHighlightSimplePre("<em style=\"color:red\">"); //设置高亮的前缀 
        query.setHighlightSimplePost("</em>"); //设置高亮的后缀
        //执行查询  
        QueryResponse queryResponse = solrServer.query(query);  
        //取文档列表，取查询结果总记录数  
        SolrDocumentList results = queryResponse.getResults();  
        long num = results.getNumFound();
        searchResult.setRecourdCount(num);
        List<SearchItem> list = new ArrayList<>();
        //取高亮
        Map<String, Map<String, List<String>>> highlighting = queryResponse.getHighlighting();
        //遍历文档列表，从中取出域的内容  
        for (SolrDocument solrDocument : results) {  
        	SearchItem item = new SearchItem();
        	item.setId((String) solrDocument.get("id"));
        	item.setCategory_name((String) solrDocument.get("item_category_name"));
        	item.setImage((String) solrDocument.get("item_image"));
        	item.setSell_point((String) solrDocument.get("item_sell_point"));
        	item.setPrice((long) solrDocument.get("item_price"));
        	//取高亮显示
        	List<String> list2 = highlighting.get(solrDocument.get("id")).get("item_title");
        	String title = "";
        	if(list2 != null && list2.size() > 0) {
        		title = list2.get(0);
        	}else {
        		title = (String) solrDocument.get("item_title");
        	}
        	item.setTitle(title);
        	list.add(item);
        }  
        searchResult.setItemList(list);
		return searchResult;
	}
public class SearchResult implements Serializable{

	private long recourdCount;
	private int totalPages;
	List<SearchItem> itemList;
	public long getRecourdCount() {
		return recourdCount;
	}
	public void setRecourdCount(long recourdCount) {
		this.recourdCount = recourdCount;
	}
	public int getTotalPages() {
		return totalPages;
	}
	public void setTotalPages(int totalPages) {
		this.totalPages = totalPages;
	}
	public List<SearchItem> getItemList() {
		return itemList;
	}
	public void setItemList(List<SearchItem> itemList) {
		this.itemList = itemList;
	}
	public SearchResult() {
		super();
		// TODO Auto-generated constructor stub
	}
	public SearchResult(long recourdCount, int totalPages, List<SearchItem> itemList) {
		super();
		this.recourdCount = recourdCount;
		this.totalPages = totalPages;
		this.itemList = itemList;
	}
	@Override
	public String toString() {
		return "SearchResult [recourdCount=" + recourdCount + ", totalPages=" + totalPages + ", itemList=" + itemList
				+ "]";
	}