添加日志打印

Author: csulwk

pom.xml

@@ -22,6 +22,8 @@
         <java.version>1.8</java.version>
         <spring.version>2.2.1.RELEASE</spring.version>
         <junit.version>4.12</junit.version>
+        <log4j.version>2.12.1</log4j.version>
+        <slf4j.version>1.7.25</slf4j.version>
     </properties>
 
     <dependencies>
@@ -31,6 +33,12 @@
             <artifactId>spring-boot-starter-test</artifactId>
             <scope>test</scope>
             <version>${spring.version}</version>
+            <exclusions>
+                <exclusion>
+                    <groupId>org.springframework.boot</groupId>
+                    <artifactId>spring-boot-starter-logging</artifactId>
+                </exclusion>
+            </exclusions>
         </dependency>
         <dependency>
             <groupId>org.springframework.cloud</groupId>
@@ -44,6 +52,32 @@
             <version>${junit.version}</version>
             <scope>test</scope>
         </dependency>
+        <!-- 日志打印 -->
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-api</artifactId>
+            <version>${slf4j.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-slf4j-impl</artifactId>
+            <version>${log4j.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-api</artifactId>
+            <version>${log4j.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-core</artifactId>
+            <version>${log4j.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>com.lmax</groupId>
+            <artifactId>disruptor</artifactId>
+            <version>3.4.2</version>
+        </dependency>
     </dependencies>
 
     <build>

src/main/resources/application.yml

@@ -17,3 +17,5 @@ spring:
           # username和password必须配对使用，公开库可以不用填写
           username:
           password:
+logging:
+  config: classpath:log4j2.xml

src/main/resources/log4j2.xml

@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Configuration>
+    <!--变量配置-->
+    <Properties>
+        <!-- 指定项目名称 -->
+        <property name="appName" value="coding-config-server" />
+        <!-- 指定日志存储的路径 -->
+        <property name="loggingPath" value="${env:LOG_HOME:-/appdata/logs/}" />
+        <!-- 格式化输出：%d表示日期，%t表示线程名，%-5level表示级别从左显示5个字符宽度 %m是日志消息，%n是换行符-->
+        <property name="loggingPattern" value="%d{yyyy-MM-dd HH:mm:ss.SSS} [${hostName}] [${appName}] [%-5level] [%t] [%c{1.}] :) %m%n" />
+    </Properties>
+
+    <Appenders>
+        <!-- 打印到控制台以便调试 -->
+        <Console name="Console" target="SYSTEM_OUT">
+            <PatternLayout pattern="${loggingPattern}"/>
+        </Console>
+
+        <!-- 打印到文档中以便存档 -->
+        <RollingFile name="LoggingFile" fileName="${loggingPath}/${appName}.log" filePattern="${loggingPath}/${appName}_%d{yyyy-MM-dd}_%i.log" bufferSize="4194304">
+            <PatternLayout pattern="${loggingPattern}"/>
+            <Policies>
+                <!--指定当文件体积大于size指定的值时，触发Rolling-->
+                <SizeBasedTriggeringPolicy size="20MB" />
+            </Policies>
+            <!-- 最大保留10个文件 -->
+            <DefaultRolloverStrategy max="4" />
+        </RollingFile>
+    </Appenders>
+
+    <Loggers>
+        <!--日志级别优先级排序: OFF > FATAL > ERROR > WARN > INFO > DEBUG > TRACE > ALL -->
+        <!--AsyncRoot 异步记录日志 -->
+        <AsyncRoot level="info">
+            <AppenderRef ref="Console"/>
+            <AppenderRef ref="LoggingFile"/>
+        </AsyncRoot>
+    </Loggers>
+
+</Configuration>