使用定时任务

Chapter4-1-1/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+
+	<groupId>com.didispace</groupId>
+	<artifactId>Chapter4-1-1</artifactId>
+	<version>1.0.0</version>
+	<packaging>jar</packaging>
+
+	<name>Chapter4-1-1</name>
+	<description>Spring Boot project</description>
+
+	<parent>
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-starter-parent</artifactId>
+		<version>1.3.2.RELEASE</version>
+		<relativePath/> <!-- lookup parent from repository -->
+	</parent>
+
+	<properties>
+		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+		<java.version>1.8</java.version>
+	</properties>
+
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter</artifactId>
+		</dependency>
+
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-test</artifactId>
+			<scope>test</scope>
+		</dependency>
+
+
+	</dependencies>
+	
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.springframework.boot</groupId>
+				<artifactId>spring-boot-maven-plugin</artifactId>
+			</plugin>
+		</plugins>
+	</build>
+
+</project>

Chapter4-1-1/src/main/java/com/didispace/Application.java

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

Chapter4-1-1/src/main/java/com/didispace/task/ScheduledTasks.java

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+package com.didispace.task;
+
+import org.springframework.scheduling.annotation.Scheduled;
+import org.springframework.stereotype.Component;
+
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+@Component
+public class ScheduledTasks {
+
+    private static final SimpleDateFormat dateFormat = new SimpleDateFormat("HH:mm:ss");
+
+    @Scheduled(fixedRate = 5000)
+    public void reportCurrentTime() {
+        System.out.println("现在时间：" + dateFormat.format(new Date()));
+    }
+
+}

Chapter4-1-1/src/test/java/com/didispace/ApplicationTests.java

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+package com.didispace;
+
+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 {
+
+
+	@Test
+	public void getHello() throws Exception {
+	}
+
+}