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Canal把数据导入到Solr中

时间：2020-09-05 23:17:30      阅读：58      评论：0      收藏：0      [点我收藏+]

将数据库数据的变化, 通过canal解析binlog日志, 实时更新到solr的索引库中.

Solr环境的搭建

不会的话，可以看我之前写的博客：https://www.cnblogs.com/dalianpai/p/11671722.html

技术分享图片

同步程序

引入依赖

   <dependencies>
        <dependency>
            <groupId>com.alibaba.otter</groupId>
            <artifactId>canal.client</artifactId>
            <version>1.1.4</version>
        </dependency>
        <dependency>
            <groupId>com.alibaba.otter</groupId>
            <artifactId>canal.protocol</artifactId>
            <version>1.1.4</version>
        </dependency>
        <dependency>
            <groupId>commons-lang</groupId>
            <artifactId>commons-lang</artifactId>
            <version>2.6</version>
        </dependency>
        <dependency>
            <groupId>org.codehaus.jackson</groupId>
            <artifactId>jackson-mapper-asl</artifactId>
            <version>1.8.9</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/org.apache.solr/solr-solrj -->
        <dependency>
            <groupId>org.apache.solr</groupId>
            <artifactId>solr-solrj</artifactId>
            <version>8.5.0</version>
        </dependency>

    </dependencies>

定义POJO

package com.dalianpai.canal.pojo;

import org.apache.solr.client.solrj.beans.Field;

import java.util.Date;

public class Book {

    @Field("id")
    private Integer id;

    @Field("book_name")
    private String name;

    @Field("book_author")
    private String author;

    @Field("book_publishtime")
    private Date publishtime;

    @Field("book_price")
    private Double price;

    @Field("book_publishgroup")
    private String publishgroup;

    public Integer getId() {
        return id;
    }

    public void setId(Integer id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getAuthor() {
        return author;
    }

    public void setAuthor(String author) {
        this.author = author;
    }

    public Date getPublishtime() {
        return publishtime;
    }

    public void setPublishtime(Date publishtime) {
        this.publishtime = publishtime;
    }

    public Double getPrice() {
        return price;
    }

    public void setPrice(Double price) {
        this.price = price;
    }

    public String getPublishgroup() {
        return publishgroup;
    }

    public void setPublishgroup(String publishgroup) {
        this.publishgroup = publishgroup;
    }

    @Override
    public String toString() {
        return "Book{" +
                "id=" + id +
                ", name=‘" + name + ‘\‘‘ +
                ", author=‘" + author + ‘\‘‘ +
                ", publishtime=" + publishtime +
                ", price=" + price +
                ", publishgroup=‘" + publishgroup + ‘\‘‘ +
                ‘}‘;
    }
}

solr中也要建相关Field，在这里添加即可

技术分享图片

主核心类

public class SyncDataBootStart {

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

    public static void main(String[] args) throws Exception {

        String destination = "example";
        CanalConnector canalConnector = CanalConnectors.newSingleConnector(new InetSocketAddress("192.168.1.121", 11111),
                destination,
                "canal",
                "canal");
        //获取CanalServer 连接

        //连接CanalServer
        canalConnector.connect();

        //订阅Destination
        canalConnector.subscribe();

        //轮询拉取数据
        Integer batchSize = 5*1024;
        while (true){
            Message message = canalConnector.getWithoutAck(batchSize);

            long messageId = message.getId();
            int size = message.getEntries().size();

            if(messageId == -1 || size == 0){
                try {
                    Thread.sleep(1000);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }else{

                //进行数据同步
                //1. 解析Message对象
                List<InnerBinlogEntry> innerBinlogEntries = CanalDataParser.convertToInnerBinlogEntry(message);


                //2. 将解析后的数据信息 同步到Solr的索引库中.
                syncDataToSolr(innerBinlogEntries);


            }

            //提交确认
            canalConnector.ack(messageId);

        }

    }

    private static void syncDataToSolr(List<InnerBinlogEntry> innerBinlogEntries) throws Exception {

        //获取solr的连接
        SolrClient solrClient = new HttpSolrClient.Builder("http://192.168.1.119:8983/solr/canal").build();

        //遍历数据集合 , 根据数据集合中的数据信息, 来决定执行增加, 修改 , 删除操作 .
        if(innerBinlogEntries != null){
            for (InnerBinlogEntry innerBinlogEntry : innerBinlogEntries) {

                CanalEntry.EventType eventType = innerBinlogEntry.getEventType();

                //如果是Insert, update , 则需要同步数据到 solr 索引库
                if(eventType == CanalEntry.EventType.INSERT || eventType == CanalEntry.EventType.UPDATE){
                    List<Map<String, BinlogValue>> rows = innerBinlogEntry.getRows();
                    if(rows != null){
                        for (Map<String, BinlogValue> row : rows) {
                            BinlogValue id = row.get("id");
                            BinlogValue name = row.get("name");
                            BinlogValue author = row.get("author");
                            BinlogValue publishtime = row.get("publishtime");
                            BinlogValue price = row.get("price");
                            BinlogValue publishgroup = row.get("publishgroup");

                            Book book = new Book();
                            book.setId(Integer.parseInt(id.getValue()));
                            book.setName(name.getValue());
                            book.setAuthor(author.getValue());
                            book.setPrice(Double.parseDouble(price.getValue()));
                            book.setPublishgroup(publishgroup.getValue());
                            book.setPublishtime(DateUtils.parseDate(publishtime.getValue()));


                            //导入数据到solr索引库
                            solrClient.addBean(book);
                            solrClient.commit();
                        }
                    }

                }else if(eventType == CanalEntry.EventType.DELETE){
                    //如果是Delete操作, 则需要删除solr索引库中的数据 .
                    List<Map<String, BinlogValue>> rows = innerBinlogEntry.getRows();
                    if(rows != null){
                        for (Map<String, BinlogValue> row : rows) {
                            BinlogValue id = row.get("id");

                            //根据ID删除solr的索引库
                            solrClient.deleteById(id.getValue());
                            solrClient.commit();

                        }
                    }

                }
            }
        }
        solrClient.close();

    }

}

进行测试

技术分享图片

部分日志：

****************************************************
* Batch Id: [18] ,count : [3] , memsize : [217] , Time : 2020-09-05 17:41:52
* Start : [mysql-bin.000004:3957:1599298910000(2020-09-05 17:41:50)] 
* End : [mysql-bin.000004:4207:1599298910000(2020-09-05 17:41:50)] 
****************************************************

17:41:52.189 [main] INFO  c.d.canal.util.CanalDataParser - BEGIN ----> Thread id: 16
17:41:52.189 [main] INFO  c.d.canal.util.CanalDataParser - 
================> binlog[mysql-bin.000004:3957] , executeTime : 1599298910000 , delay : 2189ms

17:41:52.189 [main] INFO  c.d.canal.util.CanalDataParser - 
----------------> binlog[mysql-bin.000004:4094] , name[canal,tb_book] , eventType : DELETE , executeTime : 1599298910000 , delay : 2189ms

17:41:52.189 [main] INFO  c.d.canal.util.CanalDataParser - ########################### Data Parse Result ###########################
17:41:52.190 [main] INFO  c.d.canal.util.CanalDataParser - rowlog schema[canal], table[tb_book], event[DELETE] , {"author":{"value":"吴瀚请","beforeValue":"吴瀚请"},"price":{"value":"99.0","beforeValue":"99.0"},"publishtime":{"value":"2020-09-05 09:13:28","beforeValue":"2020-09-05 09:13:28"},"name":{"value":"白帽子讲安全协议","beforeValue":"白帽子讲安全协议"},"id":{"value":"3","beforeValue":"3"},"publishgroup":{"value":"电子工业出版社","beforeValue":"电子工业出版社"}}
17:41:52.190 [main] INFO  c.d.canal.util.CanalDataParser - ########################### Data Parse Result ###########################
17:41:52.190 [main] INFO  c.d.canal.util.CanalDataParser - 
17:41:52.190 [main] INFO  c.d.canal.util.CanalDataParser - END ----> transaction id: 256
17:41:52.190 [main] INFO  c.d.canal.util.CanalDataParser - 
================> binlog[mysql-bin.000004:4207] , executeTime : 1599298910000 , delay : 2190ms

17:41:52.190 [main] DEBUG o.a.s.c.solrj.impl.HttpClientUtil - Creating new http client, config:followRedirects=false&allowCompression=false
17:41:52.193 [main] DEBUG o.a.h.c.protocol.RequestAddCookies - CookieSpec selected: default
17:41:52.193 [main] DEBUG o.a.h.c.protocol.RequestAuthCache - Auth cache not set in the context
17:41:52.193 [main] DEBUG o.a.h.i.c.PoolingHttpClientConnectionManager - Connection request: [route: {}->http://192.168.1.119:8983][state: class org.apache.solr.client.solrj.impl.HttpSolrClient][total kept alive: 0; route allocated: 0 of 10000; total allocated: 0 of 10000]
17:41:52.193 [main] DEBUG o.a.h.i.c.PoolingHttpClientConnectionManager - Connection leased: [id: 2][route: {}->http://192.168.1.119:8983][total kept alive: 0; route allocated: 1 of 10000; total allocated: 1 of 10000]
17:41:52.193 [main] DEBUG o.a.h.impl.execchain.MainClientExec - Opening connection {}->http://192.168.1.119:8983
17:41:52.193 [main] DEBUG o.a.h.i.c.DefaultHttpClientConnectionOperator - Connecting to /192.168.1.119:8983
17:41:52.212 [main] DEBUG o.a.h.i.c.DefaultHttpClientConnectionOperator - Connection established 10.0.0.2:9769<->192.168.1.119:8983
17:41:52.212 [main] DEBUG o.a.h.i.c.DefaultManagedHttpClientConnection - http-outgoing-2: set socket timeout to 120000
17:41:52.212 [main] DEBUG o.a.h.impl.execchain.MainClientExec - Executing request POST /solr/canal/update?wt=javabin&version=2 HTTP/1.1
17:41:52.212 [main] DEBUG o.a.h.impl.execchain.MainClientExec - Target auth state: UNCHALLENGED
17:41:52.212 [main] DEBUG o.a.h.impl.execchain.MainClientExec - Proxy auth state: UNCHALLENGED
17:41:52.212 [main] DEBUG org.apache.http.headers - http-outgoing-2 >> POST /solr/canal/update?wt=javabin&version=2 HTTP/1.1
17:41:52.212 [main] DEBUG org.apache.http.headers - http-outgoing-2 >> Content-Type: application/javabin
17:41:52.212 [main] DEBUG org.apache.http.headers - http-outgoing-2 >> User-Agent: Solr[org.apache.solr.client.solrj.impl.HttpSolrClient] 1.0
17:41:52.212 [main] DEBUG org.apache.http.headers - http-outgoing-2 >> Transfer-Encoding: chunked
17:41:52.212 [main] DEBUG org.apache.http.headers - http-outgoing-2 >> Host: 192.168.1.119:8983
17:41:52.212 [main] DEBUG org.apache.http.headers - http-outgoing-2 >> Connection: Keep-Alive
17:41:52.212 [main] DEBUG org.apache.http.wire - http-outgoing-2 >> "POST /solr/canal/update?wt=javabin&version=2 HTTP/1.1[\r][\n]"
17:41:52.212 [main] DEBUG org.apache.http.wire - http-outgoing-2 >> "Content-Type: application/javabin[\r][\n]"
17:41:52.212 [main] DEBUG org.apache.http.wire - http-outgoing-2 >> "User-Agent: Solr[org.apache.solr.client.solrj.impl.HttpSolrClient] 1.0[\r][\n]"
17:41:52.212 [main] DEBUG org.apache.http.wire - http-outgoing-2 >> "Transfer-Encoding: chunked[\r][\n]"
17:41:52.212 [main] DEBUG org.apache.http.wire - http-outgoing-2 >> "Host: 192.168.1.119:8983[\r][\n]"
17:41:52.212 [main] DEBUG org.apache.http.wire - http-outgoing-2 >> "Connection: Keep-Alive[\r][\n]"
17:41:52.213 [main] DEBUG org.apache.http.wire - http-outgoing-2 >> "[\r][\n]"
17:41:52.213 [main] DEBUG org.apache.http.wire - http-outgoing-2 >> "2d[\r][\n]"
17:41:52.213 [main] DEBUG org.apache.http.wire - http-outgoing-2 >> "[0x2][0xc4][0xe0]&params[0xc0][0xe0]*delByIdMap[\n]"
17:41:52.213 [main] DEBUG org.apache.http.wire - http-outgoing-2 >> "[0x1][0xe0]!3[0x0][0xe0]&delByQ[0x0][0xe0]$docs[0x0][\r][\n]"
17:41:52.213 [main] DEBUG org.apache.http.wire - http-outgoing-2 >> "0[\r][\n]"
17:41:52.213 [main] DEBUG org.apache.http.wire - http-outgoing-2 >> "[\r][\n]"
17:41:52.285 [main] DEBUG org.apache.http.wire - http-outgoing-2 << "HTTP/1.1 200 OK[\r][\n]"
17:41:52.285 [main] DEBUG org.apache.http.wire - http-outgoing-2 << "Content-Security-Policy: default-src ‘none‘; base-uri ‘none‘; connect-src ‘self‘; form-action ‘self‘; font-src ‘self‘; frame-ancestors ‘none‘; img-src ‘self‘; media-src ‘self‘; style-src ‘self‘ ‘unsafe-inline‘; script-src ‘self‘; worker-src ‘self‘;[\r][\n]"
17:41:52.285 [main] DEBUG org.apache.http.wire - http-outgoing-2 << "X-Content-Type-Options: nosniff[\r][\n]"
17:41:52.286 [main] DEBUG org.apache.http.wire - http-outgoing-2 << "X-Frame-Options: SAMEORIGIN[\r][\n]"
17:41:52.286 [main] DEBUG org.apache.http.wire - http-outgoing-2 << "X-XSS-Protection: 1; mode=block[\r][\n]"
17:41:52.286 [main] DEBUG org.apache.http.wire - http-outgoing-2 << "Content-Type: application/octet-stream[\r][\n]"
17:41:52.286 [main] DEBUG org.apache.http.wire - http-outgoing-2 << "Content-Length: 41[\r][\n]"
17:41:52.286 [main] DEBUG org.apache.http.wire - http-outgoing-2 << "[\r][\n]"
17:41:52.286 [main] DEBUG org.apache.http.wire - http-outgoing-2 << "[0x2][0xa1][0xe0].responseHeader[0xa2][0xe0]&status[0x6][0x0][0x0][0x0][0x0][0xe0]%QTimeU[0x2]"
17:41:52.286 [main] DEBUG org.apache.http.headers - http-outgoing-2 << HTTP/1.1 200 OK
17:41:52.286 [main] DEBUG org.apache.http.headers - http-outgoing-2 << Content-Security-Policy: default-src ‘none‘; base-uri ‘none‘; connect-src ‘self‘; form-action ‘self‘; font-src ‘self‘; frame-ancestors ‘none‘; img-src ‘self‘; media-src ‘self‘; style-src ‘self‘ ‘unsafe-inline‘; script-src ‘self‘; worker-src ‘self‘;
17:41:52.286 [main] DEBUG org.apache.http.headers - http-outgoing-2 << X-Content-Type-Options: nosniff
17:41:52.286 [main] DEBUG org.apache.http.headers - http-outgoing-2 << X-Frame-Options: SAMEORIGIN
17:41:52.286 [main] DEBUG org.apache.http.headers - http-outgoing-2 << X-XSS-Protection: 1; mode=block
17:41:52.286 [main] DEBUG org.apache.http.headers - http-outgoing-2 << Content-Type: application/octet-stream
17:41:52.286 [main] DEBUG org.apache.http.headers - http-outgoing-2 << Content-Length: 41
17:41:52.286 [main] DEBUG o.a.h.impl.execchain.MainClientExec - Connection can be kept alive indefinitely
17:41:52.287 [main] DEBUG o.a.h.i.c.PoolingHttpClientConnectionManager - Connection [id: 2][route: {}->http://192.168.1.119:8983][state: class org.apache.solr.client.solrj.impl.HttpSolrClient] can be kept alive indefinitely
17:41:52.287 [main] DEBUG o.a.h.i.c.DefaultManagedHttpClientConnection - http-outgoing-2: set socket timeout to 0
17:41:52.287 [main] DEBUG o.a.h.i.c.PoolingHttpClientConnectionManager - Connection released: [id: 2][route: {}->http://192.168.1.119:8983][state: class org.apache.solr.client.solrj.impl.HttpSolrClient][total kept alive: 1; route allocated: 1 of 10000; total allocated: 1 of 10000]
17:41:52.288 [main] DEBUG o.a.h.c.protocol.RequestAddCookies - CookieSpec selected: default
17:41:52.288 [main] DEBUG o.a.h.c.protocol.RequestAuthCache - Auth cache not set in the context
17:41:52.288 [main] DEBUG o.a.h.i.c.PoolingHttpClientConnectionManager - Connection request: [route: {}->http://192.168.1.119:8983][state: class org.apache.solr.client.solrj.impl.HttpSolrClient][total kept alive: 1; route allocated: 1 of 10000; total allocated: 1 of 10000]
17:41:52.288 [main] DEBUG o.a.h.i.c.PoolingHttpClientConnectionManager - Connection leased: [id: 2][route: {}->http://192.168.1.119:8983][state: class org.apache.solr.client.solrj.impl.HttpSolrClient][total kept alive: 0; route allocated: 1 of 10000; total allocated: 1 of 10000]
17:41:52.288 [main] DEBUG o.a.h.i.c.DefaultManagedHttpClientConnection - http-outgoing-2: set socket timeout to 0
17:41:52.288 [main] DEBUG o.a.h.i.c.DefaultManagedHttpClientConnection - http-outgoing-2: set socket timeout to 120000
17:41:52.288 [main] DEBUG o.a.h.impl.execchain.MainClientExec - Executing request POST /solr/canal/update HTTP/1.1
17:41:52.288 [main] DEBUG o.a.h.impl.execchain.MainClientExec - Target auth state: UNCHALLENGED
17:41:52.288 [main] DEBUG o.a.h.impl.execchain.MainClientExec - Proxy auth state: UNCHALLENGED
17:41:52.288 [main] DEBUG org.apache.http.headers - http-outgoing-2 >> POST /solr/canal/update HTTP/1.1
17:41:52.288 [main] DEBUG org.apache.http.headers - http-outgoing-2 >> Content-Type: application/x-www-form-urlencoded; charset=UTF-8
17:41:52.288 [main] DEBUG org.apache.http.headers - http-outgoing-2 >> User-Agent: Solr[org.apache.solr.client.solrj.impl.HttpSolrClient] 1.0
17:41:52.288 [main] DEBUG org.apache.http.headers - http-outgoing-2 >> Content-Length: 67
17:41:52.288 [main] DEBUG org.apache.http.headers - http-outgoing-2 >> Host: 192.168.1.119:8983
17:41:52.288 [main] DEBUG org.apache.http.headers - http-outgoing-2 >> Connection: Keep-Alive
17:41:52.288 [main] DEBUG org.apache.http.wire - http-outgoing-2 >> "POST /solr/canal/update HTTP/1.1[\r][\n]"
17:41:52.288 [main] DEBUG org.apache.http.wire - http-outgoing-2 >> "Content-Type: application/x-www-form-urlencoded; charset=UTF-8[\r][\n]"
17:41:52.289 [main] DEBUG org.apache.http.wire - http-outgoing-2 >> "User-Agent: Solr[org.apache.solr.client.solrj.impl.HttpSolrClient] 1.0[\r][\n]"
17:41:52.289 [main] DEBUG org.apache.http.wire - http-outgoing-2 >> "Content-Length: 67[\r][\n]"
17:41:52.289 [main] DEBUG org.apache.http.wire - http-outgoing-2 >> "Host: 192.168.1.119:8983[\r][\n]"
17:41:52.289 [main] DEBUG org.apache.http.wire - http-outgoing-2 >> "Connection: Keep-Alive[\r][\n]"
17:41:52.289 [main] DEBUG org.apache.http.wire - http-outgoing-2 >> "[\r][\n]"
17:41:52.289 [main] DEBUG org.apache.http.wire - http-outgoing-2 >> "commit=true&softCommit=false&waitSearcher=true&wt=javabin&version=2"
17:41:52.426 [main] DEBUG org.apache.http.wire - http-outgoing-2 << "HTTP/1.1 200 OK[\r][\n]"
17:41:52.427 [main] DEBUG org.apache.http.wire - http-outgoing-2 << "Content-Security-Policy: default-src ‘none‘; base-uri ‘none‘; connect-src ‘self‘; form-action ‘self‘; font-src ‘self‘; frame-ancestors ‘none‘; img-src ‘self‘; media-src ‘self‘; style-src ‘self‘ ‘unsafe-inline‘; script-src ‘self‘; worker-src ‘self‘;[\r][\n]"
17:41:52.427 [main] DEBUG org.apache.http.wire - http-outgoing-2 << "X-Content-Type-Options: nosniff[\r][\n]"
17:41:52.427 [main] DEBUG org.apache.http.wire - http-outgoing-2 << "X-Frame-Options: SAMEORIGIN[\r][\n]"
17:41:52.427 [main] DEBUG org.apache.http.wire - http-outgoing-2 << "X-XSS-Protection: 1; mode=block[\r][\n]"
17:41:52.427 [main] DEBUG org.apache.http.wire - http-outgoing-2 << "Content-Type: application/octet-stream[\r][\n]"
17:41:52.427 [main] DEBUG org.apache.http.wire - http-outgoing-2 << "Content-Length: 41[\r][\n]"
17:41:52.427 [main] DEBUG org.apache.http.wire - http-outgoing-2 << "[\r][\n]"
17:41:52.428 [main] DEBUG org.apache.http.wire - http-outgoing-2 << "[0x2][0xa1][0xe0].responseHeader[0xa2][0xe0]&status[0x6][0x0][0x0][0x0][0x0][0xe0]%QTime[[0x6]"
17:41:52.428 [main] DEBUG org.apache.http.headers - http-outgoing-2 << HTTP/1.1 200 OK
17:41:52.428 [main] DEBUG org.apache.http.headers - http-outgoing-2 << Content-Security-Policy: default-src ‘none‘; base-uri ‘none‘; connect-src ‘self‘; form-action ‘self‘; font-src ‘self‘; frame-ancestors ‘none‘; img-src ‘self‘; media-src ‘self‘; style-src ‘self‘ ‘unsafe-inline‘; script-src ‘self‘; worker-src ‘self‘;
17:41:52.429 [main] DEBUG org.apache.http.headers - http-outgoing-2 << X-Content-Type-Options: nosniff
17:41:52.429 [main] DEBUG org.apache.http.headers - http-outgoing-2 << X-Frame-Options: SAMEORIGIN
17:41:52.429 [main] DEBUG org.apache.http.headers - http-outgoing-2 << X-XSS-Protection: 1; mode=block
17:41:52.429 [main] DEBUG org.apache.http.headers - http-outgoing-2 << Content-Type: application/octet-stream
17:41:52.429 [main] DEBUG org.apache.http.headers - http-outgoing-2 << Content-Length: 41
17:41:52.429 [main] DEBUG o.a.h.impl.execchain.MainClientExec - Connection can be kept alive indefinitely
17:41:52.430 [main] DEBUG o.a.h.i.c.PoolingHttpClientConnectionManager - Connection [id: 2][route: {}->http://192.168.1.119:8983][state: class org.apache.solr.client.solrj.impl.HttpSolrClient] can be kept alive indefinitely
17:41:52.430 [main] DEBUG o.a.h.i.c.DefaultManagedHttpClientConnection - http-outgoing-2: set socket timeout to 0
17:41:52.431 [main] DEBUG o.a.h.i.c.PoolingHttpClientConnectionManager - Connection released: [id: 2][route: {}->http://192.168.1.119:8983][state: class org.apache.solr.client.solrj.impl.HttpSolrClient][total kept alive: 1; route allocated: 1 of 10000; total allocated: 1 of 10000]
17:41:52.431 [main] DEBUG o.a.h.i.c.PoolingHttpClientConnectionManager - Connection manager is shutting down
17:41:52.432 [main] DEBUG o.a.h.i.c.DefaultManagedHttpClientConnection - http-outgoing-2: Close connection
17:41:52.432 [main] DEBUG o.a.h.i.c.PoolingHttpClientConnectionManager - Connection manager shut down

Process finished with exit code -1

Canal把数据导入到Solr中

原文：https://www.cnblogs.com/dalianpai/p/13619038.html
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