Elasticsearch+spring cloud201912301423

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

<project xmlns="http://maven.apache.org/POM/4.0.0"

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

         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

    <modelVersion>4.0.0</modelVersion>

    <groupId>com.elasticsearch</groupId>

    <artifactId>springboot-elasticsearch</artifactId>

    <version>1.0-SNAPSHOT</version>

    <name>springboot-elasticsearch</name>

    <description></description>

    <parent>

        <groupId>org.springframework.boot</groupId>

        <artifactId>spring-boot-starter-parent</artifactId>

        <version>2.0.4.RELEASE</version>

    </parent>

    <dependencies>

        <dependency>

            <groupId>javax.servlet</groupId>

            <artifactId>jstl</artifactId>

        </dependency>

        <dependency>

            <groupId>org.apache.tomcat.embed</groupId>

            <artifactId>tomcat-embed-jasper</artifactId>

        </dependency>

        <dependency>

            <groupId>org.springframework.boot</groupId>

            <artifactId>spring-boot-starter-web</artifactId>

        </dependency>

        <dependency>

            <groupId>org.springframework.boot</groupId>

            <artifactId>spring-boot-starter-web</artifactId>

        </dependency>

        <!-- https://mvnrepository.com/artifact/org.elasticsearch/elasticsearch -->

        <dependency>

            <groupId>org.elasticsearch</groupId>

            <artifactId>elasticsearch</artifactId>

            <version>7.5.0</version>

        </dependency>

        <!-- https://mvnrepository.com/artifact/org.elasticsearch.client/transport -->

        <dependency>

            <groupId>org.elasticsearch.client</groupId>

            <artifactId>transport</artifactId>

            <version>7.5.0</version>

        </dependency>

        <dependency>

            <groupId>junit</groupId>

            <artifactId>junit</artifactId>

            <version>4.12</version>

            <scope>test</scope>

        </dependency>

        <dependency>

            <groupId>org.springframework.boot</groupId>

            <artifactId>spring-boot-test</artifactId>

            <version>2.0.3.RELEASE</version>

            <scope>test</scope>

        </dependency>

        <dependency>

            <groupId>org.springframework</groupId>

            <artifactId>spring-test</artifactId>

            <version>5.0.7.RELEASE</version>

            <scope>test</scope>

        </dependency>

        <dependency>

            <groupId>org.projectlombok</groupId>

            <artifactId>lombok</artifactId>

            <version>1.16.18</version>

        </dependency>

        <!-- https://mvnrepository.com/artifact/com.alibaba/fastjson -->

        <dependency>

            <groupId>com.alibaba</groupId>

            <artifactId>fastjson</artifactId>

            <version>1.2.54</version>

        </dependency>

        <!-- https://mvnrepository.com/artifact/org.elasticsearch.plugin/transport-netty4-client -->

        <dependency>

            <groupId>org.elasticsearch.plugin</groupId>

            <artifactId>transport-netty4-client</artifactId>

            <version>7.5.0</version>

        </dependency>

    </dependencies>

    <build>

        <plugins>

            <plugin>

                <groupId>org.springframework.boot</groupId>

                <artifactId>spring-boot-maven-plugin</artifactId>

            </plugin>

            <plugin>

                <groupId>org.apache.maven.plugins</groupId>

                <artifactId>maven-compiler-plugin</artifactId>

                <configuration>

                    <source>1.8</source>

                    <target>1.8</target>

                </configuration>

            </plugin>

        </plugins>

    </build>

</project>

pom.xml

package org.jimmy.autosearch.config;

import org.elasticsearch.action.bulk.BackoffPolicy;

import org.elasticsearch.action.bulk.BulkProcessor;

import org.elasticsearch.action.bulk.BulkRequest;

import org.elasticsearch.action.bulk.BulkResponse;

import org.elasticsearch.client.transport.TransportClient;

import org.elasticsearch.common.settings.Settings;

import org.elasticsearch.common.transport.TransportAddress;

import org.elasticsearch.common.unit.ByteSizeUnit;

import org.elasticsearch.common.unit.ByteSizeValue;

import org.elasticsearch.common.unit.TimeValue;

import org.elasticsearch.transport.client.PreBuiltTransportClient;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.springframework.context.annotation.Bean;

import org.springframework.context.annotation.Configuration;

import javax.annotation.PostConstruct;

import java.net.InetAddress;

import java.net.UnknownHostException;

@Configuration

@SuppressWarnings({ "resource", "deprecation" })

public class ElasticSearchConfig {

    private static final Logger logger = LoggerFactory.getLogger(ElasticSearchConfig.class);

    private String host = "127.0.0.1";//elasticsearch的地址

    private Integer port = 9300;//elasticsearch的端口

    private String clusterName = "elasticsearch";//集群

    private TransportClient transportClient;

    @Bean

    public TransportClient transportClient(){

        Settings settings = Settings.builder()

                .put("cluster.name", clusterName)

                .build();

        try {

            transportClient = new PreBuiltTransportClient(settings)

                    .addTransportAddress(new TransportAddress(InetAddress.getByName(host), port));

        } catch (UnknownHostException e) {

            logger.error("创建elasticsearch客户端失败");

            e.printStackTrace();

        }

        logger.info("创建elasticsearch客户端成功");

        return transportClient;

    }

    @Bean

    public BulkProcessor bulkProcessor() throws UnknownHostException {

        Settings settings = Settings.builder()

                .put("cluster.name", clusterName)

                .build();

        TransportClient transportClient = new PreBuiltTransportClient(settings)

                .addTransportAddress(new TransportAddress(InetAddress.getByName(host), port));

        return BulkProcessor.builder(transportClient, new BulkProcessor.Listener() {

            @Override

            public void beforeBulk(long l, BulkRequest bulkRequest) {

            }

            @Override

            public void afterBulk(long l, BulkRequest bulkRequest, BulkResponse bulkResponse) {

            }

            @Override

            public void afterBulk(long l, BulkRequest bulkRequest, Throwable throwable) {

                logger.error("{} data bulk failed,reason :{}", bulkRequest.numberOfActions(), throwable);

            }

        }).setBulkActions(1000)//分批，每10000条请求当成一批请求。默认值为1000

                .setBulkSize(new ByteSizeValue(5, ByteSizeUnit.MB))//每次5MB，刷新一次bulk。默认为5m

                .setFlushInterval(TimeValue.timeValueSeconds(5))//每5秒一定执行，不管已经队列积累了多少。默认不设置这个值

                .setConcurrentRequests(1)//设置并发请求数，如果是0，那表示只有一个请求就可以被执行，如果为1，则可以积累并被执行。默认为1.

                .setBackoffPolicy(BackoffPolicy.exponentialBackoff(TimeValue.timeValueMillis(100), 3))//这里有个backoff策略，最初等待100ms,然后按照指数增长并重试3次。每当一个或者多个bulk请求失败,并出现EsRejectedExecutionException异常时.就会尝试重试。这个异常表示用于处理请求的可用计算资源太少。如果要禁用这个backoff策略，需要用backoff.nobackoff()。

                .build();

    }

    @PostConstruct

    void init() {

        System.setProperty("es.set.netty.runtime.available.processors", "false");

    }

}

ElasticSearchConfig.java

package org.jimmy.autosearch.service;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

import org.jimmy.autosearch.pojo.EsEntity;

/**

 *

 */

public interface QueryService<T> {

    List<Map<String, Object>> queryListFromES(EsEntity es, int storeId, String storeName, String startDate, String endDate);

    ArrayList<T> findByParams(EsEntity es, HashMap<String, String> params);

}

QueryService.java

package org.jimmy.autosearch.service.impl;

import org.elasticsearch.action.search.SearchRequestBuilder;

import org.elasticsearch.action.search.SearchResponse;

import org.elasticsearch.client.transport.TransportClient;

import org.elasticsearch.index.query.QueryBuilders;

import org.elasticsearch.script.Script;

import org.elasticsearch.script.ScriptType;

import org.elasticsearch.search.SearchHits;

import org.elasticsearch.search.aggregations.AggregationBuilders;

import org.elasticsearch.search.aggregations.BucketOrder;

import org.elasticsearch.search.aggregations.PipelineAggregatorBuilders;

import org.elasticsearch.search.aggregations.bucket.terms.Terms;

import org.elasticsearch.search.aggregations.metrics.Sum;

import org.jimmy.autosearch.pojo.Article;

import org.jimmy.autosearch.pojo.EsEntity;

import org.jimmy.autosearch.service.QueryService;

import org.springframework.stereotype.Service;

import com.alibaba.fastjson.JSON;

import com.alibaba.fastjson.JSONObject;

import javax.annotation.Resource;

import java.util.*;

import java.util.Map.Entry;

/**

 * Created by baishuai on 2018/12/18

 */

@Service

@SuppressWarnings("deprecation")

public class ArticleQueryServiceImpl implements QueryService<Article> {

    @Resource

    TransportClient transportClient;//注入es操作对象

    @Override

    public ArrayList<Article> findByParams(EsEntity es, HashMap<String, String> params) {

        ArrayList<Article> articleList = new ArrayList<Article>();

        SearchRequestBuilder searchRequest = transportClient.prepareSearch(es.getIndex()).setTypes(es.getType());

        if(params != null){

            Set<Entry<String, String>> paramsEntry = params.entrySet();

            paramsEntry.forEach(param -> {

                searchRequest.setQuery(QueryBuilders.boolQuery().must(QueryBuilders.termQuery(param.getKey() + ".keyword", param.getValue())));

            });

        }

        SearchResponse searchResponse = searchRequest.execute().actionGet();

        SearchHits hits = searchResponse.getHits();

        hits.forEach(h -> {

            if(h != null && h.getSourceAsString() != null

                && h.getSourceAsString().trim().length() > 0){

                String content = h.getSourceAsString();

                JSONObject jsonObject = JSONObject.parseObject(content);

                Article article = JSON.toJavaObject(jsonObject, Article.class);

                articleList.add(article);

            }

        });

        return articleList;

    }

    public HashMap<String, Object> paging(ArrayList<Article> articleList, Integer page, Integer size){

        HashMap<String, Object> map = new HashMap<String, Object>();

        if(page == null){

            page = 0;

        }

        if(size == null){

            size = 10;

        }

        int count = articleList.size();

        int maxPageSize = 0;

        if(count > 0){

            maxPageSize = (count - 1) / size + 1;

        }

        ArrayList<Article> list = new ArrayList<Article>();

        int beginIndex = page * size;

        int endIndex = (page + 1) * size > count ? count : (page + 1) * size;

        for(int i = beginIndex; i < endIndex; i++){

            list.add(articleList.get(i));

        }

        map.put("list", list);

        map.put("page", page);

        map.put("size", size);

        map.put("maxPageSize", maxPageSize);

        return map;

    }

    @Override

    public List<Map<String, Object>> queryListFromES(EsEntity es, int storeId, String storeName, String startDate, String endDate) {

        List<Map<String, Object>> list = new ArrayList<>();

        Map<String,Object> map = Collections.emptyMap();

        Script script = new Script(ScriptType.INLINE, "painless","params._value0 > 0",map);  //提前定义好查询销量是否大于1000的脚本，类似SQL里面的having

        long beginTime = System.currentTimeMillis();

        SearchResponse sr = transportClient.prepareSearch(es.getIndex()).setTypes(es.getType()) //要查询的表

                .setQuery(QueryBuilders.boolQuery()

                        .must(QueryBuilders.termQuery("store_id", storeId))  //挨个设置查询条件，没有就不加，如果是字符串类型的，要加keyword后缀

                        .must(QueryBuilders.termQuery("store_name.keyword", storeName))

                        .must(QueryBuilders.rangeQuery("pay_date.keyword").gte(startDate).lte(endDate))

                ).addAggregation(

                        AggregationBuilders.terms("by_product_code").field("product_code.keyword").size(2000) //按货号分组，最多查500个货号.SKU直接改字段名字就可以

                                        .subAggregation(AggregationBuilders.sum("quantity").field("quantity"))  //分组计算销量汇总

                                        .subAggregation(AggregationBuilders.sum("amount").field("amount"))  //分组计算实付款汇总，需要加其他汇总的在这里依次加

                                        .subAggregation(PipelineAggregatorBuilders.bucketSelector("sales_bucket_filter",script,"quantity"))//查询是否大于指定值

                                .order(BucketOrder.aggregation("amount", false))) //分组排序

                .execute().actionGet();

        Terms terms = sr.getAggregations().get("by_product_code");   //查询遍历第一个根据货号分组的aggregation

        System.out.println(terms.getBuckets().size());

        for (Terms.Bucket entry : terms.getBuckets()) {

            Map<String,Object> objectMap = new HashMap<>();

            System.out.println("------------------");

            System.out.println("【 " + entry.getKey() + " 】订单数 : " + entry.getDocCount() );

            Sum sum0 = entry.getAggregations().get("quantity"); //取得销量的汇总

            Sum sum1 = entry.getAggregations().get("amount"); //取得销量的汇总

            objectMap.put("product_code", entry.getKey());

            objectMap.put("quantity",sum0.getValue());

            objectMap.put("amount",sum1.getValue());

            list.add(objectMap);

        }

        long endTime = System.currentTimeMillis();

        System.out.println("查询耗时" + ( endTime - beginTime ) + "毫秒");

        return list;

    }

}

ArticleQueryServiceImpl.java

package org.jimmy.autosearch.util;

import java.util.List;

import java.util.Map;

/**

 *

 */

public class EmptyUtils {

    public static boolean isEmpty(Object s) {

        if (s == null) {

            return true;

        }

        if ((s instanceof String) && (((String)s).trim().length() == 0)) {

            return true;

        }

        if (s instanceof Map) {

            return ((Map<?, ?>)s).isEmpty();

        }

        if (s instanceof List) {

            return ((List<?>)s).isEmpty();

        }

        if (s instanceof Object[]) {

            return (((Object[])s).length == 0);

        }

        return false;

    }

}

EmptyUtils.java

package org.jimmy.autosearch.controller;

import java.io.PrintWriter;

import java.util.ArrayList;

import java.util.HashMap;

import javax.annotation.Resource;

import javax.servlet.http.HttpServletResponse;

import org.jimmy.autosearch.pojo.Article;

import org.jimmy.autosearch.pojo.EsEntity;

import org.jimmy.autosearch.service.impl.ArticleQueryServiceImpl;

import org.jimmy.autosearch.service.impl.ElasticSearchServiceImpl;

import org.springframework.stereotype.Controller;

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

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

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

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

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

import com.alibaba.fastjson.JSONArray;

import com.alibaba.fastjson.JSONObject;

@Controller

@RequestMapping("/article")

@SuppressWarnings("unchecked")

public class ArticleController {

    @Resource

    private ArticleQueryServiceImpl articleQueryService;

    @Resource

    private ElasticSearchServiceImpl elasticSearchService;

    @RequestMapping(value = "/index")

    public String index(){

        return "article";

    }

    @RequestMapping(value = "/add", method = RequestMethod.POST, produces = {"application/json; charset=utf-8"})

    public String addArticle(@RequestBody Article article){

        /*articleService.save(article);

        JSONObject jsonObject = new JSONObject();

        jsonObject.put("status", "success");

        String result = jsonObject.toJSONString();

        return result;*/

        return null;

    }

    @ResponseBody

    @RequestMapping(value = "/findByKey/{key}/{page}/{size}", method = RequestMethod.GET, produces = {"application/json; charset=utf-8"})

    public void findByKey(@PathVariable String key, @PathVariable int page, @PathVariable int size, HttpServletResponse response){

        try{

            EsEntity es = new EsEntity();

            es.setIndex("jimmy_article");

            es.setType("article");

            HashMap<String, String> params = null;

            if(key != null && key.trim().length() > 0){

                params = new HashMap<String, String>();

                params.put("message", key);

            }

            ArrayList<Article> articleList = articleQueryService.findByParams(es, params);

            HashMap<String, Object> resultMap = articleQueryService.paging(articleList, page, size);

            ArrayList<Article> list = (ArrayList<Article>) resultMap.get("list");

            Integer maxPageSize = (Integer) resultMap.get("maxPageSize");

            JSONArray jsonArray = new JSONArray();

            list.forEach(a -> jsonArray.add(a));

            JSONObject jsonObject = new JSONObject();

            jsonObject.put("articleList", jsonArray);

            jsonObject.put("page", page);

            jsonObject.put("size", size);

            jsonObject.put("maxPageSize", maxPageSize);

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

            PrintWriter out = response.getWriter();

            out.println(jsonObject);

            out.flush();

            out.close();

        }catch(Exception e){

            e.printStackTrace();

        }

    }

}

ArticleController.java

效果图:

修改后的ArticleQueryServiceImpl,201912301426

package org.jimmy.autosearch.service.impl;

import org.elasticsearch.action.search.SearchRequestBuilder;

import org.elasticsearch.action.search.SearchResponse;

import org.elasticsearch.client.transport.TransportClient;

import org.elasticsearch.index.query.QueryBuilders;

import org.elasticsearch.script.Script;

import org.elasticsearch.script.ScriptType;

import org.elasticsearch.search.SearchHits;

import org.elasticsearch.search.aggregations.AggregationBuilders;

import org.elasticsearch.search.aggregations.BucketOrder;

import org.elasticsearch.search.aggregations.PipelineAggregatorBuilders;

import org.elasticsearch.search.aggregations.bucket.terms.Terms;

import org.elasticsearch.search.aggregations.metrics.Sum;

import org.jimmy.autosearch.pojo.Article;

import org.jimmy.autosearch.pojo.EsEntity;

import org.jimmy.autosearch.service.QueryService;

import org.springframework.stereotype.Service;

import com.alibaba.fastjson.JSON;

import com.alibaba.fastjson.JSONObject;

import javax.annotation.Resource;

import java.util.*;

import java.util.Map.Entry;

/**

 * Created by baishuai on 2018/12/18

 */

@Service

@SuppressWarnings("deprecation")

public class ArticleQueryServiceImpl implements QueryService<Article> {

    @Resource

    TransportClient transportClient;//注入es操作对象

    @Override

    public ArrayList<Article> findByParams(EsEntity es, HashMap<String, String> params) {

        ArrayList<Article> articleList = new ArrayList<Article>();

        SearchRequestBuilder searchRequest = transportClient.prepareSearch(es.getIndex()).setTypes(es.getType()).setSize(10000);

        if(params != null){

            Set<Entry<String, String>> paramsEntry = params.entrySet();

            paramsEntry.forEach(param -> {

                searchRequest.setQuery(QueryBuilders.boolQuery().must(QueryBuilders.termQuery(param.getKey() + ".keyword", param.getValue())));

            });

        }

        SearchResponse searchResponse = searchRequest.execute().actionGet();

        SearchHits hits = searchResponse.getHits();

        hits.forEach(h -> {

            if(h != null && h.getSourceAsString() != null

                && h.getSourceAsString().trim().length() > 0){

                String content = h.getSourceAsString();

                JSONObject jsonObject = JSONObject.parseObject(content);

                Article article = JSON.toJavaObject(jsonObject, Article.class);

                articleList.add(article);

            }

        });

        return articleList;

    }

    public HashMap<String, Object> paging(ArrayList<Article> articleList, Integer page, Integer size){

        HashMap<String, Object> map = new HashMap<String, Object>();

        if(page == null){

            page = 0;

        }

        if(size == null){

            size = 10;

        }

        int count = articleList.size();

        int maxPageSize = 0;

        if(count > 0){

            maxPageSize = (count - 1) / size + 1;

        }

        ArrayList<Article> list = new ArrayList<Article>();

        int beginIndex = page * size;

        int endIndex = (page + 1) * size > count ? count : (page + 1) * size;

        for(int i = beginIndex; i < endIndex; i++){

            list.add(articleList.get(i));

        }

        map.put("list", list);

        map.put("page", page);

        map.put("size", size);

        map.put("maxPageSize", maxPageSize);

        return map;

    }

    @Override

    public List<Map<String, Object>> queryListFromES(EsEntity es, int storeId, String storeName, String startDate, String endDate) {

        List<Map<String, Object>> list = new ArrayList<>();

        Map<String,Object> map = Collections.emptyMap();

        Script script = new Script(ScriptType.INLINE, "painless","params._value0 > 0",map);  //提前定义好查询销量是否大于1000的脚本，类似SQL里面的having

        long beginTime = System.currentTimeMillis();

        SearchResponse sr = transportClient.prepareSearch(es.getIndex()).setTypes(es.getType()) //要查询的表

                .setQuery(QueryBuilders.boolQuery()

                        .must(QueryBuilders.termQuery("store_id", storeId))  //挨个设置查询条件，没有就不加，如果是字符串类型的，要加keyword后缀

                        .must(QueryBuilders.termQuery("store_name.keyword", storeName))

                        .must(QueryBuilders.rangeQuery("pay_date.keyword").gte(startDate).lte(endDate))

                ).addAggregation(

                        AggregationBuilders.terms("by_product_code").field("product_code.keyword").size(2000) //按货号分组，最多查500个货号.SKU直接改字段名字就可以

                                        .subAggregation(AggregationBuilders.sum("quantity").field("quantity"))  //分组计算销量汇总

                                        .subAggregation(AggregationBuilders.sum("amount").field("amount"))  //分组计算实付款汇总，需要加其他汇总的在这里依次加

                                        .subAggregation(PipelineAggregatorBuilders.bucketSelector("sales_bucket_filter",script,"quantity"))//查询是否大于指定值

                                .order(BucketOrder.aggregation("amount", false))) //分组排序

                .execute().actionGet();

        Terms terms = sr.getAggregations().get("by_product_code");   //查询遍历第一个根据货号分组的aggregation

        System.out.println(terms.getBuckets().size());

        for (Terms.Bucket entry : terms.getBuckets()) {

            Map<String,Object> objectMap = new HashMap<>();

            System.out.println("------------------");

            System.out.println("【 " + entry.getKey() + " 】订单数 : " + entry.getDocCount() );

            Sum sum0 = entry.getAggregations().get("quantity"); //取得销量的汇总

            Sum sum1 = entry.getAggregations().get("amount"); //取得销量的汇总

            objectMap.put("product_code", entry.getKey());

            objectMap.put("quantity",sum0.getValue());

            objectMap.put("amount",sum1.getValue());

            list.add(objectMap);

        }

        long endTime = System.currentTimeMillis();

        System.out.println("查询耗时" + ( endTime - beginTime ) + "毫秒");

        return list;

    }

}

修改后的ArticleController,201912301427

package org.jimmy.autosearch.controller;

import java.io.PrintWriter;

import java.text.SimpleDateFormat;

import java.util.ArrayList;

import java.util.Date;

import java.util.HashMap;

import java.util.UUID;

import javax.annotation.Resource;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import org.jimmy.autosearch.pojo.Article;

import org.jimmy.autosearch.pojo.EsEntity;

import org.jimmy.autosearch.service.impl.ArticleQueryServiceImpl;

import org.jimmy.autosearch.service.impl.ElasticSearchServiceImpl;

import org.springframework.stereotype.Controller;

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

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

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

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

import com.alibaba.fastjson.JSONArray;

import com.alibaba.fastjson.JSONObject;

@Controller

@RequestMapping("/article")

@SuppressWarnings("unchecked")

public class ArticleController {

    @Resource

    private ArticleQueryServiceImpl articleQueryService;

    @Resource

    private ElasticSearchServiceImpl elasticSearchService;

    private static final String INDEX = "jimmy_article";

    private static final String TYPE = "article";

    private static final SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");

    @RequestMapping(value = "/index/{key}/{page}/{size}")

    public String index(@PathVariable String key, @PathVariable String page, @PathVariable String size, HttpServletRequest request){

        request.setAttribute("key", key);

        request.setAttribute("page", page);

        request.setAttribute("size", size);

        return "article";

    }

    @RequestMapping(value = "/delete/{id}", method = RequestMethod.POST, produces = {"application/json; charset=utf-8"})

    public void deleteArticle(@PathVariable String id, HttpServletResponse response){

        JSONObject jsonObject = new JSONObject();

        String status = "failed";

        try{

            elasticSearchService.deleteById(INDEX, TYPE, id);

            status = "success";

        }catch(Exception e){

            e.printStackTrace();

        }finally{

            jsonObject.put("status", status);

        }

        try{

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

            PrintWriter out = response.getWriter();

            out.println(jsonObject);

            out.flush();

            out.close();

        }catch(Exception e){

            e.printStackTrace();

        }

    }

    @RequestMapping(value = "/addOrUpdate/{jsonStr}", method = RequestMethod.POST, produces = {"application/json; charset=utf-8"})

    public void addOrUpdateArticle(@PathVariable String jsonStr, HttpServletResponse response){

        JSONObject jsonObject = new JSONObject();

        String status = "failed";

        try{

            JSONObject jsonData = JSONObject.parseObject(jsonStr);

            String postDate = sdf.format(new Date());

            jsonData.put("postDate", postDate);

            String id = jsonData.getString("id");

            if(id == null || id.trim().length() == 0){

                UUID uuid = UUID.randomUUID();

                id = uuid.toString();

                jsonData.put("id", id);

                jsonStr = jsonData.toJSONString();

                elasticSearchService.insertById(INDEX, TYPE, id, jsonStr);

            }else{

                jsonStr = jsonData.toJSONString();

                elasticSearchService.updateById(INDEX, TYPE, id, jsonStr);

            }

            status = "success";

        }catch(Exception e){

            e.printStackTrace();

        }finally{

            jsonObject.put("status", status);

        }

        try{

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

            PrintWriter out = response.getWriter();

            out.println(jsonObject);

            out.flush();

            out.close();

        }catch(Exception e){

            e.printStackTrace();

        }

    }

    @RequestMapping(value = "/edit/{type}/{jsonStr}", method = RequestMethod.GET, produces = {"application/json; charset=utf-8"})

    public String add(@PathVariable String type, @PathVariable String jsonStr, HttpServletRequest request){

        if(type.equals("0")){

            //新增

        }else if(type.equals("1")){

            //修改

            if(jsonStr != null && jsonStr.trim().length() > 0){

                JSONObject jsonData = JSONObject.parseObject(jsonStr);

                String id = jsonData.getString("id");

                request.setAttribute("id", id);

                String user = jsonData.getString("user");

                request.setAttribute("user", user);

                String message = jsonData.getString("message");

                request.setAttribute("message", message);

            }

        }

        return "articleEdit";

    }

    @ResponseBody

    @RequestMapping(value = "/findByKey/{key}/{page}/{size}", method = RequestMethod.GET, produces = {"application/json; charset=utf-8"})

    public void findByKey(@PathVariable String key, @PathVariable int page, @PathVariable int size, HttpServletResponse response){

        try{

            EsEntity es = new EsEntity();

            es.setIndex("jimmy_article");

            es.setType("article");

            HashMap<String, String> params = null;

            if(key != null && key.trim().length() > 0){

                params = new HashMap<String, String>();

                params.put("message", key);

            }

            ArrayList<Article> articleList = articleQueryService.findByParams(es, params);

            HashMap<String, Object> resultMap = articleQueryService.paging(articleList, page, size);

            ArrayList<Article> list = (ArrayList<Article>) resultMap.get("list");

            Integer maxPageSize = (Integer) resultMap.get("maxPageSize");

            JSONArray jsonArray = new JSONArray();

            list.forEach(a -> jsonArray.add(a));

            JSONObject jsonObject = new JSONObject();

            jsonObject.put("articleList", jsonArray);

            jsonObject.put("page", page);

            jsonObject.put("size", size);

            jsonObject.put("maxPageSize", maxPageSize);

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

            PrintWriter out = response.getWriter();

            out.println(jsonObject);

            out.flush();

            out.close();

        }catch(Exception e){

            e.printStackTrace();

        }

    }

}

页面,201912301427

<%@ 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>Insert title here</title>

    <script type="text/javascript" src="http://127.0.0.1:10001/js/jquery-1.12.4.js"></script>

    <style type="text/css">

        #articleListTable {

            border: 1px solid black;

            border-collapse: collapse;

        }

        #articleListTable tr td {

            border: 1px solid black;

        }

        #pageSetting {

            width: 100%;

            text-align: center;

        }

        #pageSetting tr td {

            border: 0;

        }

    </style>

</head>

<body>

    <div id="articleList">

        <table id="articleListTable" >

            <tr>

                <td>

                    id

                </td>

                <td>

                    user

                </td>

                <td>

                    message

                </td>

                <td>

                    postDate

                </td>

                <td>

                    operate

                </td>

            </tr>

        </table>

    </div>

    <div id="articleTitleDiv" style="display: none;">

        <table id="articleTitle">

            <tr>

                <td>

                    id

                </td>

                <td>

                    user

                </td>

                <td>

                    message

                </td>

                <td>

                    postDate

                </td>

                <td>

                    operate

                </td>

            </tr>

        </table>

    </div>

    <script type="text/javascript">

        var key = '${requestScope.key}' == '' ? '%20' : '${requestScope.key}';

        var pageIndex = '${requestScope.page}';

        var pageSize = '${requestScope.size}';

        var maxPageSize = 0;

        var searchObj = {};

        $(function(){

            $.ajax({

                url: '/article/findByKey/' + key + '/' + pageIndex + '/' + pageSize,

                data: searchObj,

                type: 'get',

                dataType: 'json',

                success: function (result) {

                    if(result){

                        var articleList = result.articleList;

                        if(articleList){

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

                                var article = articleList[i];

                                var html = '<tr>'

                                      + '<td>'

                                      + article.id

                                      + '</td>'

                                      + '<td>'

                                      + article.user

                                      + '</td>'

                                      + '<td>'

                                      + article.message

                                      + '</td>'

                                      + '<td>'

                                      + article.postDate

                                      + '</td>'

                                      + '<td>'

                                      + '<a href="javascript: void(0);" class="add">新增</a>&nbsp;'

                                      + '<a href="javascript: void(0);" class="update">修改</a>&nbsp;'

                                      + '<a href="javascript: void(0);" class="delete">删除</a>&nbsp;'

                                      + '</td>'

                                      + '</tr>';

                                $("#articleListTable").append(html);

                            }

                            var pageParams = {};

                            pageParams.pageIndex = result.page;

                            pageParams.maxPageSize = result.maxPageSize;

                            maxPageSize = pageParams.maxPageSize;

                            loadPageSetting(pageParams);

                            addClick();

                            updateClick();

                            deleteClick();

                            firstPageClick();

                            previousPageClick();

                            nextPageClick();

                            lastPageClick();

                        }

                    }

                }

            });

        });

        function lastPageClick(){

            $("#lastPage").on("click", function(){

                var index = 0;

                if(maxPageSize > 0){

                    index = maxPageSize - 1;

                }

                window.location = '/article/index/' + key + '/' + index + '/' + pageSize + '/';

            });

        }

        function nextPageClick(){

            $("#nextPage").on("click", function(){

                var currentPage = $("#currentPage").text();

                currentPage = parseInt(currentPage);

                currentPage++;

                if(currentPage > maxPageSize){

                    currentPage = maxPageSize;

                }

                var index = currentPage - 1;

                window.location = '/article/index/' + key + '/' + index + '/' + pageSize + '/';

            });

        }

        function previousPageClick(){

            $("#previousPage").on("click", function(){

                var currentPage = $("#currentPage").text();

                currentPage = parseInt(currentPage);

                currentPage--;

                var index = 0;

                if(currentPage < 0){

                    currentPage = 0;

                    index = currentPage;

                }else{

                    index = currentPage - 1;

                }

                window.location = '/article/index/' + key + '/' + index + '/' + pageSize + '/';

            });

        }

        function firstPageClick(){

            $("#firstPage").on("click", function(){

                window.location = '/article/index/' + key + '/' + 0 + '/' + pageSize + '/';

            });

        }

        function deleteClick(){

            $(".delete").on("click", function(){

                var flag = confirm("确认删除吗?");

                if(flag){

                    var id = $(this).parent().parent().children("td:eq(0)").text();

                    $.ajax({

                        url: '/article/delete/' + id,

                        data: searchObj,

                        type: 'post',

                        dataType: 'json',

                        success: function (result) {

                            if(result){

                                var status = result.status;

                                if(status == 'success'){

                                    alert("删除成功!");

                                    location.reload();

                                }else{

                                    alert("删除失败!");

                                }

                            }

                        }

                    });

                }

            });

        }

        function updateClick(){

            $(".update").on("click", function(){

                var type = "1";

                var id = $(this).parent().parent().children("td:eq(0)").text();

                var user = $(this).parent().parent().children("td:eq(1)").text();

                var message = $(this).parent().parent().children("td:eq(2)").text();

                var jsonObject = {};

                jsonObject.id = id;

                jsonObject.user = user;

                jsonObject.message = message;

                var jsonStr = JSON.stringify(jsonObject);

                window.location = '/article/edit/' + type + '/' + jsonStr;

            });

        }

        function addClick(){

            $(".add").on("click", function(){

                var type = "0";

                var jsonObject = {};

                var jsonStr = JSON.stringify(jsonObject);

                window.location = '/article/edit/' + type + '/' + jsonStr;

            });

        }

        function loadPageSetting(pageParams){

            var html = '<tr>'

                     + '<td colspan="5">'

                     + '<table id="pageSetting">'

                     + '<tr>'

                     + '<td>'

                     + '<a href="javascript: void(0);" id="firstPage">首页</a>'

                     + '&nbsp;'

                     + '<a href="javascript: void(0);" id="previousPage">上一页</a>'

                     + '&nbsp;'

                     + '<a href="javascript: void(0);" id="nextPage">下一页</a>'

                     + '&nbsp;'

                     + '<a href="javascript: void(0);" id="lastPage">尾页</a>'

                     + '&nbsp;'

                     + '当前第<span id="currentPage">' + (pageParams.pageIndex + 1) + '</span>页'

                     + '&nbsp;'

                     + '共' + pageParams.maxPageSize + '页'

                     + '</td>'

                     + '</tr>'

                     + '</table>'

                     + '</td>'

                     + '</tr>';

            $("#articleListTable").append(html);

        }

    </script>

</body>

</html>

效果图:

参考:

https://github.com/whiney/springboot-elasticsearch

里面具体逻辑实现我进行了修改,毕竟要符合实际.

Elasticsearch+spring cloud201912301423的更多相关文章

elasticsearch spring 集成
elasticsearch spring 集成项目清单 elasticsearch服务下载包括其中插件和分词 http://download.csdn.net/detail/u0142011 ...
elasticSearch+spring 整合 maven依赖详解
摘自:http://www.mayou18.com/detail/nTxPQSyu.html [Elasticsearch基础]elasticSearch+spring 整合 maven依赖详解 Ma ...
Spring Boot + Elasticsearch
spring data elasticsearch elasticsearch 2.0.0.RELEASE 2.2.0 1.4.0.M1 1.7.3 1.3.0.RELEASE 1.5.2 1.2.0 ...
Spring Boot 整合 Elasticsearch，实现 function score query 权重分查询
摘要: 原创出处 www.bysocket.com 「泥瓦匠BYSocket 」欢迎转载,保留摘要,谢谢! 『预见未来最好的方式就是亲手创造未来 – <史蒂夫·乔布斯传> 』运行环境: ...
elasticsearch 的安装配置与spring boot的整合应用
linux上的elasticsearch安装一.下载elasticsearch 直接进入elasticsearch的官网,下载最新的安装包:https://www.elastic.co/downlo ...
Spring Boot 整合 elasticsearch
一.简介我们的应用经常需要添加检索功能,开源的 ElasticSearch 是目前全文搜索引擎的首选.他可以快速的存储.搜索和分析海量数据.Spring Boot通过整合Spring Data E ...
Spring Boot + Elasticsearch 实现索引批量写入
在使用Eleasticsearch进行索引维护的过程中,如果你的应用场景需要频繁的大批量的索引写入,再使用上篇中提到的维护方法的话显然效率是低下的,此时推荐使用bulkIndex来提升效率.批写入数据 ...
从零搭建Spring Boot脚手架（7）：Elasticsearch应该独立服务
1. Spring Data Elasticsearch Spring Data Elasticsearch是Spring Data项目的子项目,提供了Elasticsearch与Spring的集成. ...
Spring Boot + Elasticsearch 使用示例
本文分别使用 Elasticsearch Repository 和 ElasticsearchTemplate 实现 Elasticsearch 的简单的增删改查一.Elastic Stack El ...

随机推荐

Nginx的工作原理
Nginx 工作原理 Nginx由内核和模块组成. Nginx本身做的工作实际很少,当它接到一个HTTP请求时,它仅仅是通过查找配置文件将此次请求映射到一个location block,而此locat ...
Ubuntu16.04下安装nvidia-docker2
若docker-ce.nvidia.CUDA等都安装完成之后,开启docker服务时,能够正常运行,并有预测结果,那表示服务开启没问题:若都安装成功之后,用docker命令开启服务时,一直报错,可能表 ...
Apache Druid 的集群设计与工作流程
导读:本文将描述 Apache Druid 的基本集群架构,说明架构中各进程的作用.并从数据写入和数据查询两个角度来说明 Druid 架构的工作流程. 关注公众号 MageByte,设置星标点「在看」 ...
Linux 文件系统及 ext2 文件系统
linux 支持的文件系统类型 Ext2: 有点像 UNIX 文件系统.有 blocks,inodes,directories 的概念. Ext3: Ext2 的加强版,添加了日志 ...
原生的ajax,get post请求需要注意的地方
1. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.o ...
从零搭建Spring Cloud Gateway网关（二）—— 打印请求响应日志
作为网关,日志记录是必不可少的功能,可以在网关出增加requestId来查询整个请求链的调用执行情况等等. 打印请求日志打印请求日志最重要的就是打印请求参数这些东西,不过RequestBody通常情 ...
.Net Core 实现图片验证码
记录自己的学习,参考了网上各位大佬的技术,往往在登录的时候需要使用到验证码来进行简单的一个校验,这边使用在.net core上进行生成图片二维码思路很简单=> 生成一个随机数->保存到服 ...
「每天五分钟，玩转 JVM」：对象访问定位
前言在「对象内存布局」一节中,我们了解到对象头中包含了一个叫做类型指针的东西,即对象指向它的类元数据的指针,虚拟机通过这个指针来确定这个对象是哪个类的实例.但是,并不是所有的虚拟机都是这么去做的.不 ...
Java锁的深度化--重入锁、读写锁、乐观锁、悲观锁
Java锁锁一般来说用作资源控制,限制资源访问,防止在并发环境下造成数据错误锁作为并发共享数据,保证一致性的工具,在JAVA平台有多种实现(如 synchronized(重量级) 和 Reentr ...
通达OA rce复现
通达OA下载:链接:https://pan.baidu.com/s/1c0P-M-IyY5VxfH5d0qKHsQ 提取码:l0pc 漏洞原因:未授权文件上传 + 文件包含(利用nginx日志也可以g ...

Elasticsearch+spring cloud201912301423

Elasticsearch+spring cloud201912301423的更多相关文章

随机推荐

热门专题