Spring Boot 1.5.x新特性：动态修改日志级别

Chapter4-2-6/src/main/java/com/didispace/DemoApplication.java

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+package com.didispace;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@SpringBootApplication
+public class DemoApplication {
+
+	private Logger logger = LoggerFactory.getLogger(getClass());
+
+	@RequestMapping(value = "/test", method = RequestMethod.GET)
+	public String testLogLevel() {
+		logger.debug("Logger Level ：DEBUG");
+		logger.info("Logger Level ：INFO");
+		logger.error("Logger Level ：ERROR");
+		return "";
+	}
+
+	public static void main(String[] args) {
+		SpringApplication.run(DemoApplication.class, args);
+	}
+}

Chapter4-2-6/src/main/resources/application.properties

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+management.security.enabled=false

Chapter4-2-6/src/test/java/com/didispace/DemoApplicationTests.java

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+package com.didispace;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest
+public class DemoApplicationTests {
+
+	@Test
+	public void contextLoads() {
+	}
+
+}