MongoDB整合Spring Boot 的logback

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1、pom.xml

       <dependency>            <groupId>org.mongodb</groupId>            <artifactId>mongo-java-driver</artifactId>            <version>3.4.2</version>        </dependency>       <dependency>            <groupId>ch.qos.logback</groupId>            <artifactId>logback-core</artifactId>            <version>1.1.11</version>        </dependency>        <dependency>              <groupId>ch.qos.logback</groupId>              <artifactId>logback-classic</artifactId>              <version>1.1.11</version>          </dependency>

2、logback.xml

    <appender name="MONGODB" class="com.lovnx.common.log.appender.MongoDBAppender">        <DbHost>168.1.1.200</DbHost>        <DbPort>27017</DbPort>        <DbName>system_log</DbName>        <DbCollectionName>log</DbCollectionName>    </appender>    <logger name="MONGODB" level="INFO">        <appender-ref ref="MONGODB"/>    </logger>

3、appender

package com.lovnx.common.log.appender;import org.bson.Document;import com.mongodb.MongoClient;import com.mongodb.client.MongoCollection;import com.mongodb.client.MongoDatabase;import ch.qos.logback.classic.spi.LoggingEvent;import ch.qos.logback.core.AppenderBase;import ch.qos.logback.core.status.ErrorStatus;public class MongoDBAppender extends AppenderBase<LoggingEvent> {    private MongoClient _mongo;    private MongoCollection<Document> _collection;    private String _dbHost = "168.1.1.200";    private int _dbPort = 27017;    private String _dbName = "logging";    private String _dbCollectionName = "logging";    @Override    public void start() {        try {            _mongo = new MongoClient(_dbHost, _dbPort);            MongoDatabase db = _mongo.getDatabase(_dbName);            _collection = db.getCollection(_dbCollectionName);        } catch (Exception e) {            addStatus(new ErrorStatus("Failed to initialize MondoDB", this, e));            return;        }        super.start();    }    public void setDbHost(String dbHost) {        _dbHost = dbHost;    }    public void setDbName(String dbName) {        _dbName = dbName;    }    public void setDbCollectionName(String dbCollectionName) {        _dbCollectionName = dbCollectionName;    }    public void setDbPort(int dbPort) {        _dbPort = dbPort;    }    @Override    public void stop() {        _mongo.close();        super.stop();    }    @Override    protected void append(LoggingEvent event) {        try{            Document document = getDocument(event.getFormattedMessage());            if(document != null){                _collection.insertOne(document);            }        }catch (Exception e) {            addStatus(new ErrorStatus("日志写入到MongDB出错", this, e));        }    }//这里指定只有json格式的日志才能输入到mongo    private Document getDocument(String json) {        try{            return Document.parse(json);        }catch (Exception e) {            return null;        }    }}

4、调用

//两种打日志方式，会更灵活//这样是传统方式  private static final Logger LOGGER = LoggerFactory.getLogger(Result.class);//这样是输入到mongo的方式  private static final Logger mongoLog = LoggerFactory.getLogger("MONGODB");

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