solr开发小案例

<?xml version="1.0" encoding="UTF-8"?>

<web-app version="3.0"

    xmlns="http://java.sun.com/xml/ns/javaee"

    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd">

      <!-- 设置编码 -->

      <filter>

        <filter-name>charset</filter-name>

        <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>

        <init-param>

            <param-name>encoding</param-name>

            <param-value>UTF-8</param-value>

        </init-param>

    </filter>

    <filter-mapping>

        <filter-name>charset</filter-name>

        <url-pattern>/*</url-pattern>

    </filter-mapping>

      <!-- springmvc核心配置 -->

      <servlet>

        <servlet-name>springmvc</servlet-name>

        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>

        <!-- 配置springmvc核心文件的路径 -->

        <init-param>

            <param-name>contextConfigLocation</param-name>

            <param-value>classpath:springmvc.xml</param-value>

        </init-param>

        <load-on-startup>1</load-on-startup>

    </servlet>

    <servlet-mapping>

        <servlet-name>springmvc</servlet-name>

        <url-pattern>*.test</url-pattern>

    </servlet-mapping>

</web-app>

<?xml version="1.0" encoding="UTF-8"?>

<beans xmlns="http://www.springframework.org/schema/beans"

    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

    xmlns:p="http://www.springframework.org/schema/p"

    xmlns:mvc="http://www.springframework.org/schema/mvc"

    xmlns:context="http://www.springframework.org/schema/context"

    xsi:schemaLocation="

        http://www.springframework.org/schema/beans

        http://www.springframework.org/schema/beans/spring-beans.xsd

        http://www.springframework.org/schema/context

        http://www.springframework.org/schema/context/spring-context.xsd

         http://www.springframework.org/schema/mvc

        http://www.springframework.org/schema/mvc/spring-mvc.xsd">

    <!-- 包扫描 -->

    <context:component-scan base-package="zr.com"/>

    <!-- 开启SpringMVC的相关注解 -->

    <mvc:annotation-driven/>

    <!-- 视图解析器 -->

     <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">

        <property name="prefix" value="/WEB-INF/jsp/"/>

        <property name="suffix" value=".jsp"/>

    </bean>

</beans>

package zr.com.pojo;

public class Info {

    private String id;

    private String courseID;

    private String courseName;

    private String courseContent;

    private String schoolName;

    private String schoolShortName;

    private String classID;

    private String className;

    private String courseprice;

    private String courseAreaID;

    private String areaName;

    private String OrderNum;

    private String HotScoreAvg;

    public String getId() {

        return id;

    }

    public void setId(String id) {

        this.id = id;

    }

    public String getCourseID() {

        return courseID;

    }

    public void setCourseID(String courseID) {

        this.courseID = courseID;

    }

    public String getCourseName() {

        return courseName;

    }

    public void setCourseName(String courseName) {

        this.courseName = courseName;

    }

    public String getCourseContent() {

        return courseContent;

    }

    public void setCourseContent(String courseContent) {

        this.courseContent = courseContent;

    }

    public String getSchoolName() {

        return schoolName;

    }

    public void setSchoolName(String schoolName) {

        this.schoolName = schoolName;

    }

    public String getSchoolShortName() {

        return schoolShortName;

    }

    public void setSchoolShortName(String schoolShortName) {

        this.schoolShortName = schoolShortName;

    }

    public String getClassID() {

        return classID;

    }

    public void setClassID(String classID) {

        this.classID = classID;

    }

    public String getClassName() {

        return className;

    }

    public void setClassName(String className) {

        this.className = className;

    }

    public String getCourseprice() {

        return courseprice;

    }

    public void setCourseprice(String courseprice) {

        this.courseprice = courseprice;

    }

    public String getCourseAreaID() {

        return courseAreaID;

    }

    public void setCourseAreaID(String courseAreaID) {

        this.courseAreaID = courseAreaID;

    }

    public String getAreaName() {

        return areaName;

    }

    public void setAreaName(String areaName) {

        this.areaName = areaName;

    }

    public String getOrderNum() {

        return OrderNum;

    }

    public void setOrderNum(String orderNum) {

        OrderNum = orderNum;

    }

    public String getHotScoreAvg() {

        return HotScoreAvg;

    }

    public void setHotScoreAvg(String hotScoreAvg) {

        HotScoreAvg = hotScoreAvg;

    }

    public Info() {

        super();

    }

    public Info(String id, String courseID, String courseName,

            String courseContent, String schoolName, String schoolShortName,

            String classID, String className, String courseprice,

            String courseAreaID, String areaName, String orderNum,

            String hotScoreAvg) {

        super();

        this.id = id;

        this.courseID = courseID;

        this.courseName = courseName;

        this.courseContent = courseContent;

        this.schoolName = schoolName;

        this.schoolShortName = schoolShortName;

        this.classID = classID;

        this.className = className;

        this.courseprice = courseprice;

        this.courseAreaID = courseAreaID;

        this.areaName = areaName;

        OrderNum = orderNum;

        HotScoreAvg = hotScoreAvg;

    }

    @Override

    public String toString() {

        return "Info [id=" + id + ", courseID=" + courseID + ", courseName="

                + courseName + ", courseContent=" + courseContent

                + ", schoolName=" + schoolName + ", schoolShortName="

                + schoolShortName + ", classID=" + classID + ", className="

                + className + ", courseprice=" + courseprice

                + ", courseAreaID=" + courseAreaID + ", areaName=" + areaName

                + ", OrderNum=" + OrderNum + ", HotScoreAvg=" + HotScoreAvg

                + "]";

    }

}

package zr.com.util;

import java.util.ArrayList;

import java.util.List;

import java.util.Map;

import org.apache.solr.client.solrj.SolrQuery;

import org.apache.solr.client.solrj.SolrServer;

import org.apache.solr.client.solrj.SolrServerException;

import org.apache.solr.client.solrj.SolrQuery.ORDER;

import org.apache.solr.client.solrj.impl.HttpSolrServer;

import org.apache.solr.client.solrj.response.QueryResponse;

import org.apache.solr.common.SolrDocument;

import org.apache.solr.common.SolrDocumentList;

import org.junit.Test;

import zr.com.pojo.Info;

public class SearchUtil {

    private static SolrServer server;

    static{

        server = new HttpSolrServer("http://192.168.10.105:18080");

    }

    /**

     *  查询

     * @throws SolrServerException

     */

    public static List<Info> queryTest(String queryString,int star,int size) throws SolrServerException{

        List<Info> infos = new ArrayList<Info>();

        // 建立请求

//        SolrServer server = new HttpSolrServer("http://192.168.10.105:18080");

        // 创建查询对象

        SolrQuery query = new SolrQuery();

        // 查询语句的处理(模糊查询，添加双引号即可)

        String queryStr = queryString;

        // 设置高亮显示

        // 是否设置高亮

        query.setHighlight(true);

        // 前缀

        query.setHighlightSimplePre("<em>");

        // 后缀

        query.setHighlightSimplePost("</em>");

        // 设置高亮文本的长度

        query.setHighlightFragsize(8);

        query.setHighlightRequireFieldMatch(true);

        // 设置高亮的字段

        query.addHighlightField("courseName");

        query.setQuery(queryStr);

        // 分页（起始位置）

        query.setStart(star);

        // 分页（每一页显示的条数）

        query.setRows(size);

//        // 排序(降序)

//        query.setSort("courseName", ORDER.desc);

        //执行查询

        QueryResponse response = server.query(query);

        // 获取高亮的信息

        Map<String, Map<String, List<String>>> map = response.getHighlighting();

        System.out.println(map);

        //执行查询

//        QueryResponse response = server.query(query);

        // 获取响应后的结果集

        SolrDocumentList list = response.getResults();

        for (SolrDocument solrDocument : list) {

            // 获取ID

            String id = SearchUtil.dealNull(solrDocument, "id");

            String courseID = SearchUtil.dealNull(solrDocument, "courseID");

            String courseName = SearchUtil.dealNull(solrDocument, "courseName");

            String courseContent = SearchUtil.dealNull(solrDocument, "courseContent");

            String schoolName = SearchUtil.dealNull(solrDocument, "schoolName");

            String schoolShortName = SearchUtil.dealNull(solrDocument, "schoolShortName");

            String classID = SearchUtil.dealNull(solrDocument, "classID");

            String className = SearchUtil.dealNull(solrDocument, "className");

            String courseprice = SearchUtil.dealNull(solrDocument, "courseprice");

            String courseAreaID = SearchUtil.dealNull(solrDocument, "courseAreaID");

            String areaName = SearchUtil.dealNull(solrDocument, "areaName");

            String OrderNum = SearchUtil.dealNull(solrDocument, "OrderNum");

            String HotScoreAvg = SearchUtil.dealNull(solrDocument, "HotScoreAvg");

            // 高亮替换

            Map<String, List<String>> hlisMap = map.get(id);

            if (hlisMap!=null) {

//                System.out.println(hlisMap);

                Object cName = hlisMap.get("courseName");

                if (cName!=null) {

                    // 替换

                    courseName = cName.toString();

                }

            }

            Info info = new Info(id, courseID, courseName, courseContent, schoolName, schoolShortName, classID, className, courseprice, courseAreaID, areaName, OrderNum, HotScoreAvg);

            infos.add(info);

//            System.out.println("id:"+id+",courseName:"+courseName+",schoolShortName:"+schoolShortName);

        }

        return infos;

    }

    /**

     * 处理空异常

     * @return

     */

    private static String dealNull(SolrDocument solrDocument,String field){

        String fieldValue = null;

        if (solrDocument.getFieldValue(field) != null) {

            fieldValue = solrDocument.getFieldValue(field).toString();

        }

        return fieldValue;

    }

}

package zr.com.controller;

import java.io.IOException;

import java.io.PrintWriter;

import java.io.UnsupportedEncodingException;

import java.util.List;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import org.apache.solr.client.solrj.SolrServerException;

import org.springframework.stereotype.Controller;

import org.springframework.web.bind.annotation.RequestMapping;

import org.springframework.web.bind.annotation.RequestMethod;

import com.alibaba.fastjson.JSON;

import zr.com.pojo.Info;

import zr.com.util.SearchUtil;

/**

 *

 * @author lf

 *

 */

@Controller

public class SolrController {

    /**

     * 进入search页面

     * @return

     */

    @RequestMapping("/lf")

    public String comeInPage(){

        return "search";

    }

    /**

     * 获取数据

     * @param paramter

     * @param request

     * @param response

     * @throws SolrServerException

     * @throws IOException

     */

    @RequestMapping(value="search",method=RequestMethod.GET)

    public void getData(String paramter,HttpServletRequest request,HttpServletResponse response)

            throws SolrServerException, IOException{

        // 设置编码

//        request.setCharacterEncoding("utf-8");

//        response.setCharacterEncoding("utf-8");

        System.out.println("准备获取相关数据...");

        System.out.println("paramter:"+paramter);

        String query = "courseName:"+paramter;

        // 获取响应的数据数据

        List<Info> infos = SearchUtil.queryTest(query,0,10);

        // 遍历

//        for (Info info : infos) {

//            System.out.println(info);

//        }

        //设置文本类型的编码为UTF-8

        response.setContentType("text/html;charset=utf-8");

        PrintWriter out = response.getWriter();

        String jsonString = JSON.toJSONString(infos);

        // 输出

        out.print(jsonString);

        out.flush();

        out.close();

        System.out.println(jsonString);

    }

}

<%@ page language="java" contentType="text/html; charset=UTF-8"

    pageEncoding="UTF-8"%>

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<html>

<head>

<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">

<title>搜索引擎</title>

</head>

<body>

    <br><br><br>

    <div>

        <input id="search" placeholder="请输入你要搜索的内容" />

        <button onclick="getData()">搜索</button>

        <br>

        <table id="table">

        </table>

    </div>

    <style type="text/css">

         em {color:red;}

    </style>

    <script type="text/javascript">

        // 异步请求

        function getData(){

            var value = document.getElementById("search").value;

            // 创建请求对象

             var request = new XMLHttpRequest();

            // 请求方式

            var method = "GET";

            // 链接

            var url = "search.test?paramter="+value;

            /* alert(url); */

            // 初始化参数

            request.open(method, url, true);

            // 发送请求

            request.send(null);

            request.onreadystatechange = function(){

                // 如果响应请求

                if(request.status==200 || request.status == 304){

                    var text = request.responseText;

                    var jsonData = eval("("+text+")");

                    // 获取table

                    var table = document.getElementById("table");

                    /* alert(jsonData); */

                    // 清除table的数据

                    var rowNum=table.rows.length;

                    for (var i=0;i<rowNum;i++)

                    {

                        table.deleteRow(i);

                        rowNum=rowNum-1;

                        i=i-1;

                    }

                    // 添加数据

                    for(var i = 0;i < jsonData.length;i++ ){

                        // 添加行

                        var row = table.insertRow();

                        // 添加单元格

                        var cell = row.insertCell();

                        // 设置内容

                        cell.innerHTML = jsonData[i]["areaName"]+jsonData[i]["className"]

                                        +jsonData[i]["courseAreaID"]+jsonData[i]["courseContent"]

                                        +jsonData[i]["courseID"]+jsonData[i]["courseName"]

                                        +jsonData[i]["courseprice"]+jsonData[i]["hotScoreAvg"]

                                        +jsonData[i]["id"]+jsonData[i]["orderNum"]

                                        +jsonData[i]["schoolName"]+jsonData[i]["schoolShortName"]

                                        +jsonData[i]["classID"]+jsonData[i]["className"]

                                        +jsonData[i]["courseAreaID"]+jsonData[i]["HotScoreAvg"];

                    }

                }

            };

        }

    </script>

</body>

</html>

巴特西

solr开发小案例

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巴特西

solr开发 小案例

最新文章

热门文章

solr开发小案例