SpringBoot 动态创建多定时任务

mysql 

CREATE TABLE `job_interface_info`  (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `url` varchar(1000) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '请求接口地址',
  `client_type` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '请求方式：GET,POST',
  `body_params_json` varchar(1000) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '请求参数Json',
  `hearder_json` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '请求头参数',
  `updated_time` datetime NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
  `created_time` datetime NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
  `cron` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '定时任务表达式',
  `task_name` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '任务名称',
  `user_id` int(11) NULL DEFAULT NULL COMMENT '创建人id',
  `is_deleted` int(1) NULL DEFAULT 0 COMMENT '删除标识符，1删除 0未删除',
  `run_status` int(11) NULL DEFAULT NULL COMMENT '运行状态1允许 0停止',
  PRIMARY KEY (`id`) USING BTREE
)

SchedulingConfig 

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.TaskScheduler;
import org.springframework.scheduling.concurrent.ThreadPoolTaskScheduler;

@Configuration
public class SchedulingConfig {
    @Bean
    public TaskScheduler taskScheduler() {
        ThreadPoolTaskScheduler taskScheduler = new ThreadPoolTaskScheduler();
        // 定时任务执行线程池核心线程数
        taskScheduler.setPoolSize(5);
        taskScheduler.setRemoveonCancelPolicy(true);
        taskScheduler.setThreadNamePrefix("TaskSchedulerThreadPool-");
        return taskScheduler;
    }
}

CronTaskRegistrar 

import java.util.concurrent.ScheduledFuture;

public final class ScheduledTask {

    public volatile ScheduledFuture future;
    
    public void cancel() {
        ScheduledFuture future = this.future;
        if (future != null) {
            future.cancel(true);
        }
    }
}

ScheduledTask 

import org.springframework.beans.factory.DisposableBean;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.scheduling.TaskScheduler;
import org.springframework.scheduling.config.CronTask;
import org.springframework.stereotype.Component;

import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;

@Component
public class CronTaskRegistrar implements DisposableBean {

    private final Map scheduledTasks = new ConcurrentHashMap<>(16);

    @Autowired
    private TaskScheduler taskScheduler;

    public TaskScheduler getScheduler() {
        return this.taskScheduler;
    }

    
    public void addCronTask(String taskId,Runnable task, String cronexpression) {
        addCronTask(taskId,new CronTask(task, cronexpression));
    }

    public void addCronTask(String taskId,CronTask cronTask) {
        if (cronTask != null) {
            if (this.scheduledTasks.containsKey(taskId)) {
                removeCronTask(taskId);
            }

            this.scheduledTasks.put(taskId, scheduleCronTask(cronTask));
        }
    }

    
    public void removeCronTask(String taskId) {
        ScheduledTask scheduledTask = this.scheduledTasks.remove(taskId);
        if (scheduledTask != null){
            scheduledTask.cancel();}
    }

    public ScheduledTask scheduleCronTask(CronTask cronTask) {
        ScheduledTask scheduledTask = new ScheduledTask();
        scheduledTask.future = this.taskScheduler.schedule(cronTask.getRunnable(), cronTask.getTrigger());

        return scheduledTask;
    }


    @Override
    public void destroy() {
        for (ScheduledTask task : this.scheduledTasks.values()) {
            task.cancel();
        }
        this.scheduledTasks.clear();
    }
}

package com.wugui.datax.admin.controller;

import com.alibaba.fastjson.JSON;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.wugui.datatx.core.biz.model.ReturnT;
import com.wugui.datax.admin.dynamic.CronTaskRegistrar;
import com.wugui.datax.admin.entity.JobInterfaceInfo;
import com.wugui.datax.admin.service.IJobInterfaceInfoService;
import com.wugui.datax.admin.util.HttpUtils;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.SneakyThrows;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
import javax.annotation.Resource;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import java.util.Objects;



@Api(tags = "接口任务模块")
@RestController
@RequestMapping("/api/jobInterfaceInfo")
public class JobInterfaceInfoController {
    @Autowired
    private IJobInterfaceInfoService baseService;
    @Resource
    private HttpUtils httpUtils;
    @Resource
    private CronTaskRegistrar registrar;
    private Runnable task;

    @ApiOperation("add:新增")
    @PostMapping("/add")
    public ReturnT add(@RequestBody JobInterfaceInfo entity) {
        Boolean ret = baseService.save(entity);
        return ret ? ReturnT.SUCCESS : ReturnT.FAIL;

    }

    @ApiOperation("update：修改")
    @PutMapping("/update")
    public ReturnT update(@RequestBody JobInterfaceInfo entity) {
        Boolean ret = baseService.updateById(entity);
        if (entity.getRunStatus().equals(0)) {
            registrar.removeCronTask(entity.getId().toString());
        }
        return ret ? ReturnT.SUCCESS : ReturnT.FAIL;
    }

    @ApiOperation("delete：删除")
    @DeleteMapping("/delete")
    public ReturnT delete(Integer id) {
        registrar.removeCronTask(id.toString());
        Boolean ret = baseService.removeById(id);
        return ret ? ReturnT.SUCCESS : ReturnT.FAIL;
    }

    @ApiOperation("list：列表")
    @GetMapping("/list")
    public ReturnT list(Page page, String name) {
        QueryWrapper queryWrapper = new QueryWrapper();
        queryWrapper.lambda().eq(JobInterfaceInfo::getIsDeleted, 0);
        IPage data = baseService.page(page, queryWrapper);
        return new ReturnT<>(data);
    }

    @ApiOperation("startTask:开启定时任务")
    @GetMapping("/startTask")
    public ReturnT startTask(Integer id) {
        JobInterfaceInfo job = baseService.getById(id);
        registrar.addCronTask(id.toString(), doTask(id), job.getCron());
        return ReturnT.SUCCESS;
    }
    
    private Runnable doTask(Integer id) {
        task = new Runnable() {
            @SneakyThrows
            @Override
            public void run() {
                System.out.println(id + ":" + new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date()));
                JobInterfaceInfo job = baseService.getById(id);
                //todo
            }
        };
        return task;
    }


}