log4j2.xml日志模板

<?xml version="1.0" encoding="UTF-8"?>
<configuration status="warn">
  <Properties>
    <!-- 配置日志文件輸出目錄，此配置將日志輸出到tomcat根目錄下的指定文件夾-->
    <Property name="LOG_HOME">/logs</Property>
    <!-- 日志輸出格式 -->
    <Property name="LOG_PATTERNLAYOUT">%d{yyyy-MM-dd HH:mm:ss}  %t  %C{1}  %-30M  %m%n</Property>
  </Properties>

  <Appenders>

    <!-- 控制臺只輸出level及以上級別的信息(onMatch),其他的直接拒絕(onMismatch)，當(dāng)前只輸出TRACE腿倚，DEBUG黔帕，INFO 三種 -->
    <!-- 輸出日志的格式 -->

    <Console name="console_out_appender" target="SYSTEM_OUT">
      <ThresholdFilter level="INFO" onMatch="ACCEPT" onMismatch="DENY"/>
      <PatternLayout pattern="${LOG_PATTERNLAYOUT}"/>
    </Console>

    <!--這個輸出控制臺的配置聂沙，這里輸出WARN怀泊，ERROR借尿，F(xiàn)ATAL 級別的信息到System.err国旷，在eclipse控制臺上看到的是紅色文字 -->
    <Console name="console_err_appender" target="SYSTEM_ERR">
      <!--  控制臺只輸出level及以上級別的信息(onMatch),其他的直接拒絕(onMismatch)-->
      <ThresholdFilter level="WARN" onMatch="ACCEPT" onMismatch="DENY"/>
      <!--  輸出日志的格式 -->
      <PatternLayout pattern="${LOG_PATTERNLAYOUT}"/>
    </Console>

    <!-- INFO級別日志 -->
    <RollingRandomAccessFile name="info_appender" immediateFlush="true" fileName="${LOG_HOME}/info.log" filePattern="${LOG_HOME}/info/info - %d{yyyy-MM-dd HH_mm_ss}.log">
      <PatternLayout pattern="${LOG_PATTERNLAYOUT}"/>
      <Policies>
        <SizeBasedTriggeringPolicy size="2MB"/>
      </Policies>
      <Filters>
        <ThresholdFilter level="warn" onMatch="DENY" onMismatch="NEUTRAL"/>
        <ThresholdFilter level="info" onMatch="ACCEPT" onMismatch="DENY"/>
      </Filters>
    </RollingRandomAccessFile>

    <!-- ERROR級別日志 -->
    <RollingRandomAccessFile name="error_appender" immediateFlush="true" fileName="${LOG_HOME}/error.log" filePattern="${LOG_HOME}/error/error - %d{yyyy-MM-dd HH_mm_ss}.log">
      <PatternLayout pattern="${LOG_PATTERNLAYOUT}"/>
      <Policies>
        <SizeBasedTriggeringPolicy size="2MB"/>
      </Policies>
      <Filters>
        <ThresholdFilter level="error" onMatch="ACCEPT" onMismatch="DENY"/>
      </Filters>
    </RollingRandomAccessFile>
  </Appenders>

  <Loggers>
    <!-- 配置日志的根節(jié)點 -->
    <root level="trace">
      <appender-ref ref="console_out_appender"/>
      <appender-ref ref="console_err_appender"/>
      <appender-ref ref="info_appender"/>
      <appender-ref ref="error_appender"/>
    </root>

    <!-- 第三方日志系統(tǒng) -->
    <logger name="org.springframework.core" level="warn"/>
    <logger name="org.springframework.beans" level="warn"/>
    <logger name="org.springframework.context" level="warn"/>
    <logger name="org.springframework.web" level="warn"/>
    <logger name="org.jboss.netty" level="warn"/>
    <logger name="org.apache.http" level="warn"/>

  </Loggers>

</configuration>

日志工具類

public class Log4j2Utils {
    public Log4j2Utils() {
    }

    public static void log(Class c, String functionName, String valueName, Object value) {
        Logger logger = Logger.getLogger(c.getName());
        Map<String, Object> result = new HashMap();
        result.put("日志函數(shù)", functionName);
        result.put("對象名", valueName);
        if (value != null) {
            result.put("對象值", JSONUtils.toJson(value));
        } else {
            result.put("對象值", Log4j2Enum.NULL.value());
        }

        logger.info(result.toString());
    }
}