使用xlljob分布式任务调度管理系统集成到spring boot（单体）项目

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已于 2023-03-10 16:45:10 修改

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文章标签： spring boot 分布式后端

于 2023-03-10 16:38:52 首次发布

本文链接：https://blog.youkuaiyun.com/weixin_42562259/article/details/129444100

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本文介绍了如何安装和启动XxlJob项目，包括下载源码、修改配置、启动XxlJobAdminApplication，以及创建和配置SpringBoot项目来作为执行器。在SpringBoot项目中引入依赖、设置配置，并创建初始化配置类。接着，创建任务执行器和任务。遇到的问题是执行器IP配置不一致导致的错误，解决方法是确保IP配置正确。最后展示了执行成功的截图。

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一、安装和启动xlljob项目

1、下载xxl-job的源代码

xxl-job-master.zip

下载完后修改文件

注意：启动 XxlJobAdminApplication 的时候默认的端口是8080所以要保证没有其他的项目占用这个端口

启动后访问

http://localhost:8080/xxl-job-admin 用户名/密码: admin / 123456

二、创建spring boot项目（省略）

1、引入依赖

<dependency>
<groupId>com.xuxueli</groupId>
<artifactId>xxl-job-core</artifactId>
<version>2.3.0</version>
</dependency>

2、修改配置文件（application.yml）

server:
  port: 8878
spring:
  application:
    name: springBoot3Application
  datasource:
    driver-class-name: com.mysql.cj.jdbc.Driver
    url: jdbc:mysql://localhost:3306/test?&useUnicode=true&characterEncoding=UTF-8&serverTimezone=Asia/Shanghai
    username: root
    password: root

xxl:
  job:
    admin:
      address: http://192.168.100.119:8080/xxl-job-admin
    accessToken: default_token
    executor:
      appname: ${spring.application.name}
      address:
      ip:
      port: -1
      logpath: /data/applogs/xxl-job/jobhandler
      logRetentionDays: 30

参数不明白？官方文档！！

连接地址：中文官方文档

3、创建初始化

package com.example.springbootdemo3.config;

import com.xxl.job.core.executor.impl.XxlJobSpringExecutor;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

/**
 * @ClassName: XxlJobConfig
 * @Description:
 * @Author: TXW
 * @Date: 2023/3/10
 */

@Configuration
public class XxlJobConfig {
    private Logger logger = LoggerFactory.getLogger(XxlJobConfig.class);

    @Value("${xxl.job.admin.address}")
    private String adminAddresses;

    @Value("${xxl.job.accessToken}")
    private String accessToken;

    @Value("${xxl.job.executor.appname}")
    private String appname;

    @Value("${xxl.job.executor.address}")
    private String address;

    @Value("${xxl.job.executor.ip}")
    private String ip;

    @Value("${xxl.job.executor.port}")
    private int port;

    @Value("${xxl.job.executor.logpath}")
    private String logPath;

    @Value("${xxl.job.executor.logRetentionDays}")
    private int logRetentionDays;

    @Bean
    public XxlJobSpringExecutor xxlJobExecutor() {
        logger.info(">>>>>>>>>>> xxl-job config init.");
        XxlJobSpringExecutor xxlJobSpringExecutor = new XxlJobSpringExecutor();
        xxlJobSpringExecutor.setAdminAddresses(adminAddresses);
        xxlJobSpringExecutor.setAppname(appname);
        xxlJobSpringExecutor.setAddress(address);
        xxlJobSpringExecutor.setIp(ip);
        xxlJobSpringExecutor.setPort(port);
        xxlJobSpringExecutor.setAccessToken(accessToken);
        xxlJobSpringExecutor.setLogPath(logPath);
        xxlJobSpringExecutor.setLogRetentionDays(logRetentionDays);

        return xxlJobSpringExecutor;
    }
}

4、创建实例、启动项目

package com.example.springbootdemo3.xxlJob;

import com.example.springbootdemo3.entity.User;
import com.example.springbootdemo3.service.UserService;
import com.xxl.job.core.biz.model.ReturnT;
import com.xxl.job.core.context.XxlJobHelper;
import com.xxl.job.core.handler.annotation.XxlJob;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;

import javax.annotation.Resource;
import java.util.List;

/**
 * @ClassName: XxlJobTask
 * @Description:
 * @Author: TXW
 * @Date: 2023/3/10
 */
@Component
public class XxlJobTask {
    private static Logger logger = LoggerFactory.getLogger(XxlJobTask.class);

    @XxlJob("sampleTest")
    public ReturnT<String> sampleTest(){
        return ReturnT.SUCCESS;
    }

}