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Quartz.数据库存储

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Quartz.数据库存储

建新模块:

一、回顾 1、启动类开启定时任务

2、创建任务类MyJob
package com.mwy.code;
import lombok.extern.slf4j.Slf4j;
import org.quartz.Job;
import org.quartz.JobDataMap;
import org.quartz.JobExecutionContext;
import org.quartz.JobExecutionException;
import java.util.Map;
@Slf4j
public class MyJob implements Job {

    @Override
    public void execute(JobExecutionContext context) throws JobExecutionException {
        Map data = context.getJobDetail().getJobDataMap();
        System.out.println(data.get("name")+"在搞"+data.get("loc")+"的卫生");
    }
}
 3、任务储存内存方式
package com.mwy.code;
import org.junit.jupiter.api.Test;
import org.quartz.*;
import org.quartz.impl.StdSchedulerFactory;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.scheduling.annotation.Scheduled;
import java.util.Date;
import static org.quartz.JobBuilder.newJob;

@SpringBootTest
class Quartz02ApplicationTests {

    @Test
//    @Scheduled(fixedRate = 5000)
//    @Scheduled(cron = "0/5 * * * * ?")
    void contextLoads() throws Exception{
//        调度器
        SchedulerFactory factory=new StdSchedulerFactory();
        Scheduler scheduler = factory.getScheduler();
//        任务
        JobDetail jobDetail=newJob(MyJob.class)
                .withIdentity("a", "b")
                .withDescription("搞卫生")
                .usingJobData("name", "张三")
                .usingJobData("loc", "走廊")
                .build();
        jobDetail.getJobDataMap().put("name","张三");
        jobDetail.getJobDataMap().put("loc","走廊");

//        触发器
        Trigger trigger = TriggerBuilder.newTrigger()
                .withIdentity("a", "b")
                .withDescription("每节课搞一次卫生")
                .startAt(new Date())
                .withSchedule(
                        CronScheduleBuilder.cronSchedule("* * * * * ?")
                )
                .build();
//        将触发器和任务绑定到调度器
        scheduler.scheduleJob(jobDetail,trigger);
//        启动调度器
        scheduler.start();

    }
}

测试结果:

 二、数据库解析

Quartz官网:Quartz Enterprise Job Scheduler

我下载的是:quartz-2.2.2-distribution

1、操作:

①、quartz-2.2.2-distribution->quartz-2.2.2->docs->dbTables->tables_mysql.sql

②、运行①中的sql脚本

 运行后:

 ③、会用到的表

这几个表让quartz自己管理,不需要我们维护

qrtz_cron_triggers、qrtz_job_details、qrtz_triggers

我们只需要把定时任务交给quartz,quartz把任务放到对应表中

所以说这几张表我们不修改,但是我们需要知道有什么定时任务,因此,自己建两张表:

④、自己建两张表:

(1)、打开数据库控制台

 (2)运行sql语句

任务表:

create table t_schedule_trigger
(
    id          bigint primary key auto_increment comment '触发器编号',
    cron        varchar(200) not null comment '触发器表达式',
    status      char(1)          not null comment '触发器状态: 禁用0 启用1',
    job_name    varchar(200) not null comment '任务名称: 存放的任务类的全路径',
    job_group   varchar(200) not null comment '任务所处分组',
    job_description varchar(200) not null comment '任务描述',
    trigger_description varchar(200) not null comment '触发器描述',
    unique index (job_name, job_group) comment '通过jobName和jobGroup来确定trigger的唯一性,所以这两列为联合唯一索引'
);

t_schedule_trigger增加一个任务:

任务所需数据表:

create table t_schedule_trigger_data
(
    id         bigint primary key auto_increment comment '数据编号',
    name       varchar(200) not null comment '对应的数据名称',
    value      varchar(512) comment '对应的数据值',
    trigger_id bigint       not null comment '外键: 引用t_schedule_trigger(id)',
    foreign key (trigger_id) references t_schedule_trigger (id)
);

在t_schedule_trigger_data中建t_schedule_trigger表中任务数据:

主要目的:程序启动后把我们所建表的数据读出来让quartz放到quartz所管理的表中去

    任务 表中有禁用和启动,当我们禁用时quartz需要把quartz所管理的表中的数据去除  

 三、工具类解析 pom中所有依赖:


            org.springframework.boot
            spring-boot-starter-quartz
       

       
            org.springframework.boot
            spring-boot-starter-freemarker
       

       
            org.springframework.boot
            spring-boot-starter-test
            test
       

       
            org.projectlombok
            lombok
       

       
            com.alibaba
            druid-spring-boot-starter
            1.2.8
       

       
            org.springframework.boot
            spring-boot-starter-web
       

       
            tk.mybatis
            mapper-spring-boot-starter
            2.0.2
       

       
            javax.persistence
            persistence-api
            1.0
            compile
       

       
            mysql
            mysql-connector-java
       

1、新建util软件包

①、包中新建DruidConnectionProvider类

DruidConnectionProvider类的作用:帮助quartz创建连接池,连接数据库

package com.mwy.code.util;

import com.alibaba.druid.pool.DruidDataSource;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import lombok.SneakyThrows;
import org.quartz.utils.ConnectionProvider;

import java.sql.Connection;




@Data
@NoArgsConstructor
@AllArgsConstructor
public class DruidConnectionProvider implements ConnectionProvider {

    

    
    public String driver;
    
    public String URL;
    
    public String user;
    
    public String password;
    
    public int maxConnection;
    
    public String validationQuery;
    private boolean validateOnCheckout;
    private int idleConnectionValidationSeconds;
    public String maxCachedStatementsPerConnection;
    private String discardIdleConnectionsSeconds;
    public static final int DEFAULT_DB_MAX_ConNECTIONS = 10;
    public static final int DEFAULT_DB_MAX_CACHED_STATEMENTS_PER_ConNECTION = 120;
    
    private DruidDataSource datasource;

    @Override
    @SneakyThrows
    public Connection getConnection() {
        return datasource.getConnection();
    }

    @Override
    public void shutdown() {
        datasource.close();
    }

    @Override
    @SneakyThrows
    public void initialize() {
        assert this.URL != null : "DB URL cannot be null";
        assert this.driver != null : "DB driver class name cannot be null!";
        assert this.maxConnection > 0 : "Max connections must be greater than zero!";

        datasource = new DruidDataSource();
        datasource.setDriverClassName(this.driver);
        datasource.setUrl(this.URL);
        datasource.setUsername(this.user);
        datasource.setPassword(this.password);
        datasource.setMaxActive(this.maxConnection);
        datasource.setMinIdle(1);
        datasource.setMaxWait(0);
        datasource.setMaxPoolPreparedStatementPerConnectionSize(DruidConnectionProvider.DEFAULT_DB_MAX_CACHED_STATEMENTS_PER_CONNECTION);
        if (this.validationQuery != null) {
            datasource.setValidationQuery(this.validationQuery);
            if (!this.validateOnCheckout) {
                datasource.setTestonReturn(true);
            } else {
                datasource.setTestonBorrow(true);
            }
            datasource.setValidationQueryTimeout(this.idleConnectionValidationSeconds);
        }
    }

}

②、包中新建MyJobFactory类

Spring 提供了一种机制,能够为第三方框架赋能,让Spring管理的Bean去装配和填充那些不被Spring托管的Bean,这种机制叫AutowireCapableBeanFactory。目前了解到的有两款著名的开源框架Junit与Quartz借用了这种机制为自己赋能,达到更好地与Spring契合协作的目的,也从他们的整合姿势中学习到,当我们需要设计一个框架,而且需要拥抱Spring生态,为框架使用者提供更便利的无缝整合,需以微内核 + 插件机制思想,由内核层想办法拿到AutowireCapableBeanFactory,并在构造插件的时候,借助AutowireCapableBeanFactory去为插件赋能,做到无限扩展的可能性

【https://www.jianshu.com/p/f9718de489f0】

package com.mwy.code.util;

import lombok.SneakyThrows;
import lombok.extern.slf4j.Slf4j;
import org.quartz.spi.TriggerFiredBundle;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.config.AutowireCapableBeanFactory;
import org.springframework.scheduling.quartz.AdaptableJobFactory;
import org.springframework.stereotype.Component;

@Component
@Slf4j
public class MyJobFactory extends AdaptableJobFactory {

    private final AutowireCapableBeanFactory autowireCapableBeanFactory;

    @Autowired
    public MyJobFactory(AutowireCapableBeanFactory autowireCapableBeanFactory) {
        this.autowireCapableBeanFactory = autowireCapableBeanFactory;
    }

    
    @Override
    @SneakyThrows
    protected Object createJobInstance(TriggerFiredBundle bundle) {
        Object jobInstance = super.createJobInstance(bundle);
        autowireCapableBeanFactory.autowireBean(jobInstance);
        return super.createJobInstance(bundle);
    }

}
2、新建conf软件包

①、包中新建QuartzConfiguration类

QuartzConfiguration是配置类,是为了让quartz和spring和数据库互通

package com.mwy.code.conf;

import com.mwy.code.util.MyJobFactory;
import lombok.SneakyThrows;
import org.quartz.Scheduler;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.config.PropertiesFactoryBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.io.ClassPathResource;
import org.springframework.scheduling.quartz.SchedulerFactoryBean;

import java.util.Properties;

@Configuration
public class QuartzConfiguration {

    private final MyJobFactory myJobFactory;

    @Autowired
    public QuartzConfiguration(MyJobFactory myJobFactory) {
        this.myJobFactory = myJobFactory;
    }

    
    @Bean
    public SchedulerFactoryBean schedulerFactoryBean() {
        //1.创建SchedulerFactoryBean
        SchedulerFactoryBean factoryBean = new SchedulerFactoryBean();
        //2.加载自定义的quartz.properties配置文件
        factoryBean.setQuartzProperties(quartzProperties());
        //3.设置MyJobFactory
        factoryBean.setJobFactory(myJobFactory);
        return factoryBean;
    }

    @Bean
    @SneakyThrows
    public Properties quartzProperties() {
        PropertiesFactoryBean propertiesFactoryBean = new PropertiesFactoryBean();
        propertiesFactoryBean.setLocation(new ClassPathResource("/quartz.properties"));
        propertiesFactoryBean.afterPropertiesSet();
        return propertiesFactoryBean.getObject();
    }

    @Bean
    public Scheduler scheduler() {
        return schedulerFactoryBean().getScheduler();
    }

}
3、resources中新建quartz.properties

数据库存储

#
#============================================================================
# Configure Main Scheduler Properties u8C03u5EA6u5668u5C5Eu6027
#============================================================================
org.quartz.scheduler.instanceName:DefaultQuartzScheduler
org.quartz.scheduler.instanceId=AUTO
org.quartz.scheduler.rmi.export:false
org.quartz.scheduler.rmi.proxy:false
org.quartz.scheduler.wrapJobExecutionInUserTransaction:false
org.quartz.threadPool.class:org.quartz.simpl.SimpleThreadPool
org.quartz.threadPool.threadCount=10
org.quartz.threadPool.threadPriority:5
org.quartz.threadPool.threadsInheritContextClassLoaderOfInitializingThread:true
org.quartz.jobStore.misfireThreshold:60000
#============================================================================
# Configure JobStore
#============================================================================
#u5B58u50A8u65B9u5F0Fu4F7Fu7528JobStoreTX,u4E5Fu5C31u662Fu6570u636Eu5E93
org.quartz.jobStore.class:org.quartz.impl.jdbcjobstore.JobStoreTX
org.quartz.jobStore.driverDelegateClass:org.quartz.impl.jdbcjobstore.StdJDBCDelegate
#u4F7Fu7528u81EAu5DF1,u7684u914Du7F6Eu6587u4EF6
org.quartz.jobStore.useProperties:true
#u6570u636Eu5E93u4E2Dquartzu8868u7684u8868u540Du524Du7F00
org.quartz.jobStore.tablePrefix:qrtz_
org.quartz.jobStore.dataSource:qzDS
#u662Fu5426u4F7Fu7528u96C6u7FA4(u5982u679Cu9879u76EEu53EAu90E8u7F72u5230 u4E00u53F0u670Du52A1u5668,u5C31u4E0Du7528u4E86)
org.quartz.jobStore.isClustered=true
#============================================================================
# Configure Datasources
#============================================================================
#u914Du7F6Eu6570u636Eu5E93u6E90uFF08org.quartz.dataSource.qzDS.maxConnections: c3p0u914Du7F6Eu7684u662Fu6709su7684,druidu6570u636Eu6E90u6CA1u6709suFF09
org.quartz.dataSource.qzDS.connectionProvider.class:com.mwy.code.util.DruidConnectionProvider
org.quartz.dataSource.qzDS.driver:com.mysql.cj.jdbc.Driver
org.quartz.dataSource.qzDS.URL:jdbc:mysql://127.0.0.1:3306/quartz?useUnicode=true&serverTimezone=Asia/Shanghai&useSSL=false&characterEncoding=utf-8
org.quartz.dataSource.qzDS.user:root
org.quartz.dataSource.qzDS.password:123456
org.quartz.dataSource.qzDS.maxConnection:10
4、application.yml
spring:
  datasource:
    url: jdbc:mysql://127.0.0.1:3306/quartz?useUnicode=true&serverTimezone=Asia/Shanghai&useSSL=false&characterEncoding=utf-8
    username: root
    password: 123456
    driver-class-name: com.mysql.cj.jdbc.Driver
    type: com.alibaba.druid.pool.DruidDataSource
    druid:
      initial-size: 5                                       # 初始化大小
      min-idle: 10                                          # 最小连接数
      max-active: 20                                        # 最大连接数
      max-wait: 60000                                       # 获取连接时的最大等待时间
      min-evictable-idle-time-millis: 300000                # 一个连接在池中最小生存的时间,单位是毫秒
      time-between-eviction-runs-millis: 60000              # 多久才进行一次检测需要关闭的空闲连接,单位是毫秒
      filters: stat                                         # 配置扩展插件:stat-监控统计,log4j-日志,wall-防火墙(防止SQL注入),去掉后,监控界面的sql无法统计   ,wall
      validation-query: SELECT 1                            # 检测连接是否有效的 SQL语句,为空时以下三个配置均无效
      test-on-borrow: true                                  # 申请连接时执行validationQuery检测连接是否有效,默认true,开启后会降低性能
      test-on-return: true                                  # 归还连接时执行validationQuery检测连接是否有效,默认false,开启后会降低性能
      test-while-idle: true                                 # 申请连接时如果空闲时间大于timeBetweenEvictionRunsMillis,执行validationQuery检测连接是否有效,默认false,建议开启,不影响性能
      stat-view-servlet:
        enabled: true                                       # 是否开启 StatViewServlet
        allow: 127.0.0.1                                    # 访问监控页面 白名单,默认127.0.0.1
        deny: 192.168.56.1                                  # 访问监控页面 黑名单
        login-username: admin                               # 访问监控页面 登陆账号
        login-password: 123                                 # 访问监控页面 登陆密码
      filter:
        stat:
          enabled: true                                     # 是否开启 FilterStat,默认true
          log-slow-sql: true                                # 是否开启 慢SQL 记录,默认false
          slow-sql-millis: 5000                             # 慢 SQL 的标准,默认 3000,单位:毫秒
          merge-sql: false                                  # 合并多个连接池的监控数据,默认false
  application:
    name: quartz02
  freemarker:
    #指定HttpServletRequest的属性是否可以覆盖controller的model的同名项
    allow-request-override: false
    #req访问request
    request-context-attribute: req
    #后缀名freemarker默认后缀为.ftl,当然你也可以改成自己习惯的.html
    suffix: .ftl
    #设置响应的内容类型
    content-type: text/html;charset=utf-8
    #是否允许mvc使用freemarker
    enabled: true
    #是否开启template caching
    cache: false
    #设定模板的加载路径,多个以逗号分隔,默认: [“classpath:/templates/”]
    template-loader-path: classpath:/templates/
    #设定Template的编码
    charset: UTF-8
logging:
  level:
    com.yk.code.mapper: debug
四、开始操作

主要目的:程序启动后把我们所建表的数据读出来让quartz放到quartz所管理的表中去

    任务 表中有禁用和启动,当我们禁用时quartz需要把quartz所管理的表中的数据去除  

1、读取t_schedule_trigger表和t_schedule_trigger_data表的数据

①、新建实体类

新建pojo软件包,

(1)包下新建ScheduleTrigger

package com.mwy.code.pojo;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import lombok.experimental.Accessors;
import tk.mybatis.mapper.annotation.KeySql;
import javax.persistence.Column;
import javax.persistence.Id;
import javax.persistence.Table;

@AllArgsConstructor
@NoArgsConstructor
@Data
@Accessors(chain = true)
@Table(name = "t_schedule_trigger")
public class ScheduleTrigger {

    @Id
    @KeySql(useGeneratedKeys = true)
    @Column(name = "id")
    private Long id;

    @Column(name = "cron")
    private String cron;

    @Column(name = "status")
    private String status;

    @Column(name = "job_name")
    private String jobName;

    @Column(name = "job_group")
    private String jobGroup;

    @Column(name = "job_description")
    private String jobDescription;

    @Column(name = "trigger_description")
    private String triggerDescription;

}

(2)包下新建ScheduleTriggerData

package com.mwy.code.pojo;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import lombok.experimental.Accessors;
import tk.mybatis.mapper.annotation.KeySql;
import javax.persistence.Column;
import javax.persistence.Id;
import javax.persistence.Table;

@AllArgsConstructor
@NoArgsConstructor
@Data
@Accessors(chain = true)
@Table(name = "t_schedule_trigger_data")
public class ScheduleTriggerData {

    @Id
    @KeySql(useGeneratedKeys = true)
    @Column(name = "id", nullable = false)
    private Long id;

    @Column(name = "name")
    private String name;

    @Column(name = "value")
    private String value;

    @Column(name = "trigger_id")
    private Long triggerId;

}

②、新建mapper包

(1)新建ScheduleTriggerMapper接口继承mapper

提供查询所有的方法

package com.mwy.code.mapper;
import com.mwy.code.pojo.ScheduleTrigger;
import org.springframework.stereotype.Repository;
import tk.mybatis.mapper.common.Mapper;
@Repository
public interface ScheduleTriggerMapper extends Mapper {
}

(2)新建ScheduleTriggerDataMapper接口继承mapper

提供根据触发器id查询的方法

package com.mwy.code.mapper;
import com.mwy.code.pojo.ScheduleTrigger;
import com.mwy.code.pojo.ScheduleTriggerData;
import org.springframework.stereotype.Repository;
import tk.mybatis.mapper.common.Mapper;
@Repository
public interface ScheduleTriggerDataMapper extends Mapper {
}

③、新建service包

(1)新建ScheduleTriggerService接口

package com.mwy.code.service;
import com.mwy.code.pojo.ScheduleTrigger;
import java.util.List;
public interface ScheduleTriggerService {

//    查询所有的方法
    List find();

}

(1.2)ScheduleTriggerServiceImpl实现ScheduleTriggerService接口

package com.mwy.code.service;
import com.mwy.code.mapper.ScheduleTriggerMapper;
import com.mwy.code.pojo.ScheduleTrigger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.util.List;
@Service
public class ScheduleTriggerServiceImpl implements ScheduleTriggerService {
    @Autowired
    private ScheduleTriggerMapper mapper;

    @Override
    public List find() {
        return mapper.selectAll();
    }
}

(2)新建ScheduleTriggerDataService接口

package com.mwy.code.service;
import com.mwy.code.pojo.ScheduleTriggerData;
import java.util.List;
public interface ScheduleTriggerDataService {

//    根据触发器id查询的方法
    List find(Long triggerId);

}

(2.2)ScheduleTriggerDataServiceImpl实现ScheduleTriggerDataService接口

package com.mwy.code.service;
import com.mwy.code.mapper.ScheduleTriggerDataMapper;
import com.mwy.code.pojo.ScheduleTriggerData;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import tk.mybatis.mapper.entity.Example;
import java.util.List;
@Service
public class ScheduleTriggerDataServiceImpl implements ScheduleTriggerDataService {
    @Autowired
    private ScheduleTriggerDataMapper mapper;

    @Override
    public List find(Long triggerId) {
        Example example=new Example(ScheduleTriggerData.class);
        example.createCriteria().andEqualTo("triggerId",triggerId);
        return mapper.selectByExample(example);
    }
}
2、启动类加载mapper包下的类
@MapperScan("com.mwy.code.mapper")

 现在已经能查到所有的数据了,

五、数据库储存开发

现在想怎么把数据quartz中去

1、新建quartz任务类

util中新建QuartzTask

package com.mwy.code.util;
import com.mwy.code.pojo.ScheduleTrigger;
import com.mwy.code.pojo.ScheduleTriggerData;
import com.mwy.code.service.ScheduleTriggerDataService;
import com.mwy.code.service.ScheduleTriggerService;
import lombok.SneakyThrows;
import org.quartz.*;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Component;
import java.util.Date;
import static org.quartz.JobBuilder.newJob;

@Component
public class QuartzTask {

//    触发任务数据的service
    private ScheduleTriggerService triggerService;
    private ScheduleTriggerDataService dataService;
//    调度器
    private Scheduler scheduler;


    @Autowired
    public QuartzTask(ScheduleTriggerService triggerService, ScheduleTriggerDataService dataService,Scheduler scheduler) {
        this.triggerService = triggerService;
        this.dataService = dataService;
        this.scheduler = scheduler;
    }

//    每隔10秒看看去数据库的我的那两张表有没有什么变化
    @Scheduled(cron="0/10 * * * * ?")
    @SneakyThrows
    public void register(){
//        查询数据库中的所有的任务
        for (ScheduleTrigger t : triggerService.find()) {
//            判断这个任务是否被quartz管理了
//            拿到这个任务的名字和分组
            String jobName = t.getJobName();
            String jobGroup = t.getJobGroup();
            String jobDescription = t.getJobDescription();
            String triggerDescription = t.getTriggerDescription();
            String cron = t.getCron();
//            生成一个key,去调度器中那对应的元素(强转为Cron触发器)
            CronTrigger trigger = (CronTrigger)scheduler.getTrigger(TriggerKey.triggerKey(jobName, jobGroup));
//           在我的表中有但是quartz没有管理
            if(trigger==null){
//                禁用
                if("0".equals(t.getStatus())){
                    continue;   //跳过
                }
//                新建(将任务放到Quartz里面)
                JobDetail jobDetail=newJob((Class) Class.forName(jobName))
                        .withIdentity(jobName,jobGroup)
                        .withDescription(jobDescription)
                        .build();
//                读取任务所需要的数据
                for (ScheduleTriggerData data: dataService.find(t.getId())) {
//                    将所需要的任务数据放到任务中
                    jobDetail.getJobDataMap().put(data.getName(),data.getValue());
                }
//        触发器
                trigger = TriggerBuilder.newTrigger()
                        .withIdentity(jobName,jobGroup)
                        .withDescription(triggerDescription)
                        .startAt(new Date())
                        .withSchedule(
                                CronScheduleBuilder.cronSchedule(cron)
                        )
                        .build();
//                分配给调度器
                scheduler.scheduleJob(jobDetail,trigger);
                continue;   //跳过
            }
//            任务已经quartz中存在
            if("0".equals(t.getStatus())){
//                在quartz中删掉那个任务
                scheduler.deleteJob(JobKey.jobKey(jobName,jobGroup));
                continue;   //跳过
            }
//            任务存在,而且不是禁用状态
//            判断表达式是否被修改了,
            if (!trigger.getCronexpression().equals(cron)) {
//                不等于就进到表达式里面来
//              触发器
                trigger = TriggerBuilder.newTrigger()
                        .withIdentity(jobName,jobGroup)
                        .withDescription(triggerDescription)
                        .startAt(new Date())
                        .withSchedule(
                                CronScheduleBuilder.cronSchedule(cron)
                        )
                        .build();
//                让调度器更换触发器
                scheduler.rescheduleJob(TriggerKey.triggerKey(jobName, jobGroup),trigger);
            }

        }
    }
}
2、测试查看结果

①、首先查看qrtz_cron_triggers、qrtz_job_details、qrtz_triggers并没有数据

②、运行启动器类

这时qrtz_cron_triggers的数据同步了

 六、Bug

删除了自己建的表(t_schedule_trigger)的数据,同时程序依旧在运行,只有删除quartz(qrtz_cron_triggers)中表的数据才会停止。

解决:不可能什么都在数据库中操作,因此写一个界面(index.ftl)

1、新建controller软件包

①、controller包下新建QuartzController 

package com.mwy.code.controller;

import com.mwy.code.pojo.ScheduleTrigger;
import com.mwy.code.pojo.ScheduleTriggerData;
import com.mwy.code.service.ScheduleTriggerDataService;
import com.mwy.code.service.ScheduleTriggerService;
import lombok.SneakyThrows;
import org.quartz.JobKey;
import org.quartz.Scheduler;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import javax.servlet.http.HttpServletRequest;

@Controller
public class QuartzController {
    private ScheduleTriggerService triggerService;
    private ScheduleTriggerDataService dataService;
    private Scheduler scheduler;

    @Autowired
    public QuartzController(ScheduleTriggerService triggerService, ScheduleTriggerDataService dataService, Scheduler scheduler) {
        this.triggerService = triggerService;
        this.dataService = dataService;
        this.scheduler = scheduler;
    }

    @GetMapping("/")
    public String index(Model model){
        model.addAttribute("triggers",triggerService.find());
        return "index";
    }

    @PostMapping("/insert")
    public String insert(ScheduleTrigger trigger, HttpServletRequest request){
        int i=triggerService.insert(trigger);
        if(i>0){
            request.getParameterMap().forEach((a,b)->{
                try {
//                    判断是否是类的属性
                    ScheduleTrigger.class.getDeclaredField(a);
                }catch (NoSuchFieldException e){
                    ScheduleTriggerData data=
                            new ScheduleTriggerData()
                            .setName(a)
                            .setValue(b[0])
                            .setTriggerId(trigger.getId());
                    dataService.insert(data);
                }
            });
        }
        return "redirect:/";
    }


}

 ②、新增增加的方法

ScheduleTriggerService
//    增加的方法
    int insert(ScheduleTrigger trigger);
ScheduleTriggerServiceImpl
@Override
public int insert(ScheduleTrigger trigger) {
    return mapper.insert(trigger);
}
ScheduleTriggerDataService
//    增加
    int insert(ScheduleTriggerData data);
ScheduleTriggerDataServiceImpl
@Override
public int insert(ScheduleTriggerData data) {
    return mapper.insert(data);
}
2、resources下新建,目录 templates

index.ftl文件放在 templates目录下




    
    
    
    
    
    


定时任务情况

    <#list triggers as trigger>
        
表达式 名字(执行类名) 分组 任务描述 触发器描述 状态 操作
${trigger.cron!""} ${trigger.jobName!""} ${trigger.jobGroup!""} ${trigger.jobDescription!""} ${trigger.triggerDescription!""} ${(trigger.status=='0')?string("已禁用","启用中")} 关闭 修改
新增定时任务
任务参数
3、测试结果

查看结果 

  增加结果

 

 

 

还没写完!!修改和删除

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