使用log4j记录日志

Chapter4-2-2/src/main/java/com/didispace/Application.java

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+package com.didispace;
+
+import org.apache.log4j.Logger;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.scheduling.annotation.EnableAsync;
+import org.springframework.scheduling.annotation.EnableScheduling;
+
+@SpringBootApplication
+public class Application {
+
+	public static void main(String[] args) {
+		SpringApplication.run(Application.class, args);
+	}
+
+}

Chapter4-2-2/src/main/resources/log4j.properties

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+# LOG4J配置
+log4j.rootCategory=INFO, stdout, file, errorfile
+log4j.category.com.didispace=DEBUG, didifile
+log4j.logger.error=errorfile
+
+# 控制台输出
+log4j.appender.stdout=org.apache.log4j.ConsoleAppender
+log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
+log4j.appender.stdout.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss,SSS} %5p %c{1}:%L - %m%n
+
+# root日志输出
+log4j.appender.file=org.apache.log4j.DailyRollingFileAppender
+log4j.appender.file.file=logs/all.log
+log4j.appender.file.DatePattern='.'yyyy-MM-dd
+log4j.appender.file.layout=org.apache.log4j.PatternLayout
+log4j.appender.file.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss,SSS} %5p %c{1}:%L - %m%n
+
+# error日志输出
+log4j.appender.errorfile=org.apache.log4j.DailyRollingFileAppender
+log4j.appender.errorfile.file=logs/error.log
+log4j.appender.errorfile.DatePattern='.'yyyy-MM-dd
+log4j.appender.errorfile.Threshold = ERROR
+log4j.appender.errorfile.layout=org.apache.log4j.PatternLayout
+log4j.appender.errorfile.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss,SSS} %5p %c{1}:%L - %m%n
+
+# com.didispace下的日志输出
+log4j.appender.didifile=org.apache.log4j.DailyRollingFileAppender
+log4j.appender.didifile.file=logs/my.log
+log4j.appender.didifile.DatePattern='.'yyyy-MM-dd
+log4j.appender.didifile.layout=org.apache.log4j.PatternLayout
+log4j.appender.didifile.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss,SSS} %5p %c{1}:%L ---- %m%n
+
+
+
+
+

Chapter4-2-2/src/test/java/com/didispace/ApplicationTests.java

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+package com.didispace;
+
+import org.apache.log4j.Logger;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.boot.test.SpringApplicationConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@SpringApplicationConfiguration(classes = Application.class)
+public class ApplicationTests {
+
+	private Logger logger = Logger.getLogger(getClass());
+
+	@Test
+	public void test() throws Exception {
+		logger.info("输出info");
+		logger.debug("输出debug");
+		logger.error("输出error");
+	}
+
+}