SpringBoot任务调度案例（学习笔记）_springboot shedule 可视化 job-优快云博客

本文链接：https://blog.youkuaiyun.com/tototuzuoquan/article/details/78165596

本文介绍了一个使用Spring Boot实现的简单定时任务应用，包括项目结构、Maven配置、定时任务配置及实现方式等内容。

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声明：本案例学习http://blog.youkuaiyun.com/je_ge，在此感谢je_ge提供的学习用的资料

1、项目目录结构

这里写图片描述

2、pom.xml的文件内容

<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.jege.spring.boot</groupId>
    <artifactId>spring-boot-scheduled-task</artifactId>
    <version>1.0.0.RELEASE</version>
    <packaging>jar</packaging>

    <name>spring-boot-scheduled-task</name>
    <url>http://blog.youkuaiyun.com/je_ge</url>

    <developers>
        <developer>
            <id>je_ge</id>
            <name>je_ge</name>
            <email>1272434821@qq.com</email>
            <url>http://blog.youkuaiyun.com/je_ge</url>
            <timezone>8</timezone>
        </developer>
    </developers>

    <!-- 公共spring-boot配置，下面依赖jar文件不用在写版本号 -->
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>1.4.1.RELEASE</version>
        <relativePath />
    </parent>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <java.version>1.8</java.version>
    </properties>

    <dependencies>

        <!-- web -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

        <!-- 测试 -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <!-- 只在test测试里面运行 -->
            <scope>test</scope>
        </dependency>

    </dependencies>

    <build>
        <finalName>spring-boot-scheduled-task</finalName>
        <plugins>
            <!-- jdk编译插件 -->
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <configuration>
                    <source>${java.version}</source>
                    <target>${java.version}</target>
                </configuration>
            </plugin>
        </plugins>
    </build>
</project>

3、application.properties的内容

jobs.fixedDelay=5000
jobs.cron=0/5 * *  * * ?

4、ScheduledTask的内容

package com.jege.spring.boot.task;

import java.text.SimpleDateFormat;
import java.util.Date;

import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Component;

/**
 * @author JE哥
 * @email 1272434821@qq.com
 * @description:从配置文件加载任务信息
 */
@Component
public class ScheduledTask {

  private static final SimpleDateFormat dateFormat = new SimpleDateFormat("HH:mm:ss");

  @Scheduled(fixedDelayString = "${jobs.fixedDelay}")
  public void getTask1() {
    System.out.println("任务1，当前时间：" + dateFormat.format(new Date()));
  }

  @Scheduled(cron = "${jobs.cron}")
  public void getTask2() {
    System.out.println("任务2，当前时间：" + dateFormat.format(new Date()));
  }
}

5、Application的内容

package com.jege.spring.boot;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.scheduling.annotation.EnableScheduling;

/**
 * @author JE哥
 * @email 1272434821@qq.com
 * @description:spring boot 启动类
 */
@SpringBootApplication
@EnableScheduling
public class Application {

  public static void main(String[] args) {
    SpringApplication.run(Application.class, args);
  }

}