<?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.example</groupId>  <artifactId>dynamic-quartz</artifactId>  <version>0.0.1-SNAPSHOT</version>  <packaging>jar</packaging>  <name>dynamic-quartz</name>  <description>動態定時任務管理</description>  <parent>    <groupId>org.springframework.boot</groupId>    <artifactId>spring-boot-starter-parent</artifactId>    <version>2.0.2.RELEASE</version>    <relativePath/> <!-- lookup parent from repository -->  </parent>  <dependencies>    <dependency>      <groupId>org.springframework.boot</groupId>      <artifactId>spring-boot-starter-web</artifactId>    </dependency>    <dependency>      <groupId>org.springframework.boot</groupId>      <artifactId>spring-boot-starter</artifactId>    </dependency>    <dependency>      <groupId>org.springframework</groupId>      <artifactId>spring-context-support</artifactId>    </dependency>    <dependency>      <groupId>org.springframework.boot</groupId>      <artifactId>spring-boot-starter-test</artifactId>      <scope>test</scope>    </dependency>    <dependency>      <groupId>org.mybatis.spring.boot</groupId>      <artifactId>mybatis-spring-boot-starter</artifactId>      <version>1.1.1</version>    </dependency>    <!-- jdbc driver -->    <dependency>      <groupId>mysql</groupId>      <artifactId>mysql-connector-java</artifactId>      <version>5.1.44</version>    </dependency>    <dependency>      <groupId>org.quartz-scheduler</groupId>      <artifactId>quartz</artifactId>      <version>2.3.0</version>    </dependency>  </dependencies><build>  <plugins>    <plugin>      <groupId>org.springframework.boot</groupId>      <artifactId>spring-boot-maven-plugin</artifactId>    </plugin>  </plugins></build></project>application.ymlspring: datasource:  url: jdbc:mysql://localhost:3306/wujiwen  username: root  password: root  driver-class-name: com.mysql.jdbc.Driver profiles:   active: devlogback-spring.xml<configuration>  <jmxConfigurator />  <appender name="stdout" class="ch.qos.logback.core.ConsoleAppender">    <layout class="ch.qos.logback.classic.PatternLayout">      <pattern>%date [%thread] %-5level %logger{80} - %msg%n</pattern>    </layout>  </appender>  <logger name="org.springframework">    <level value="ERROR" />  </logger>  <logger name="org.mybatis">    <level value="ERROR" />  </logger>  <logger name="java.sql.Connection">    <level value="DEBUG" />  </logger>  <logger name="java.sql.Statement">    <level value="DEBUG" />  </logger>  <logger name="java.sql.PreparedStatement">    <level value="DEBUG" />  </logger>  <logger name="java.sql.ResultSet">    <level value="DEBUG"/>  </logger>  <logger name="org.apache.http">    <level value="INFO" />  </logger>  <logger name="org.quartz">    <level value="INFO" />  </logger>  <springProfile name="dev,test">    <root>      <level value="DEBUG" />      <appender-ref ref="stdout" />    </root>  </springProfile></configuration>CronEntity.java保存在數據庫中的表達式管理器.package com.example.dynamicquartz.bean;import java.io.Serializable;import java.util.Date;/** * created with IntelliJ IDEA. * packageName : com.example.dynamicquartz.bean * author    : wujw * date     : 2018/9/9 16:23 * version   : 1.0.0 * description : TODO */public class CronEntity implements Serializable {  private static final long serialVersionUID = -3406421161273529348L;  private String id;  private String userId; //用戶標識  private String cron; //表達式  private String quarzName; //任務名稱  private String schedulerClass;//定時任務類  private Date time;  public String getId() {    return id;  }  public void setId(String id) {    this.id = id;  }  public String getUserId() {    return userId;  }  public void setUserId(String userId) {    this.userId = userId;  }  public String getCron() {    return cron;  }  public void setCron(String cron) {    this.cron = cron;  }  public String getQuarzName() {    return quarzName;  }  public void setQuarzName(String quarzName) {    this.quarzName = quarzName;  }  public String getSchedulerClass() {    return schedulerClass;  }  public void setSchedulerClass(String schedulerClass) {    this.schedulerClass = schedulerClass;  }  public Date getTime() {    return time;  }  public void setTime(Date time) {    this.time = time;  }  @Override  public String toString() {    return "CronEntity{" +        "id='" + id + '/'' +        ", userId='" + userId + '/'' +        ", cron='" + cron + '/'' +        ", quarzName='" + quarzName + '/'' +        ", schedulerClass='" + schedulerClass + '/'' +        ", time=" + time +        '}';  }}CronMapperpackage com.example.dynamicquartz.dao;import com.example.dynamicquartz.bean.CronEntity;import org.apache.ibatis.annotations.*;import java.util.List;/** * created with IntelliJ IDEA. * packageName : com.example.dynamicquartz * author    : wujw * date     : 2018/9/9 20:14 * version   : 1.0.0 * description : TODO */@Mapperpublic interface CronMapper{  @Select("select * from cron_table where id = #{id}")  @Results({      @Result(property = "id", column = "id"),      @Result(property = "userId", column = "user_id"),      @Result(property = "cron", column = "cron"),      @Result(property = "quarzName", column = "quarz_name"),      @Result(property = "schedulerClass", column = "scheduler_class"),      @Result(property = "time", column = "time")  })  CronEntity load(String id);  @Insert("insert into cron_table(id,userId,cron,quartzName,schedulerClass,time)" +      "values(#{id},#{user_id},#{cron},#{quartz_name},#{scheduler_class},#   {time})")  void insert(CronEntity cronEntity);  @Select("select * from cron_table")  @Results({      @Result(property = "id", column = "id"),      @Result(property = "userId", column = "user_id"),      @Result(property = "cron", column = "cron"),      @Result(property = "quarzName", column = "quarz_name"),      @Result(property = "schedulerClass", column = "scheduler_class"),      @Result(property = "time", column = "time")  })  List<CronEntity> queryAll();  @Update("update cron_table set cron=#{1} where id =#{0}")  void updateCron(String id,String cron);}ICronServicepackage com.example.dynamicquartz.serivce;import com.example.dynamicquartz.bean.CronEntity;import java.util.List;/** * created with IntelliJ IDEA. * packageName : com.example.dynamicquartz * author    : wujw * date     : 2018/9/9 19:54 * version   : 1.0.0 * description : TODO */public interface ICronService{  void sendEmail(String quartzName);  void sendSms(String quartzName);  CronEntity findByCronId(String id );  void update(CronEntity cronEntity);  List<CronEntity> findAll();}CronServiceImplpackage com.example.dynamicquartz.serivce;import com.example.dynamicquartz.bean.CronEntity;import com.example.dynamicquartz.dao.CronMapper;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.stereotype.Service;import java.util.List;/** * created with IntelliJ IDEA. * packageName : com.example.dynamicquartz.serivce * author    : wujw * date     : 2018/9/9 19:55 * version   : 1.0.0 * description : TODO */@Servicepublic class CronServiceImpl implements ICronService{  @Autowired  private CronMapper cronMapper;  @Override  public void sendEmail(String quartzName) {    System.out.println(quartzName +" 正在發送郵件");  }  @Override  public void sendSms(String quartzName) {    System.out.println(quartzName +"正在發送短信");  }  @Override  public CronEntity findByCronId(String id) {    return this.cronMapper.load(id);  }  @Override  public void update(CronEntity cronEntity) {    this.cronMapper.insert(cronEntity);  }  @Override  public List<CronEntity> findAll() {    return this.cronMapper.queryAll();  }}QuartzManagerpackage com.example.dynamicquartz.serivce;import com.example.dynamicquartz.bean.CronEntity;import org.quartz.*;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.context.annotation.Configuration;import java.util.Date;/** * created with IntelliJ IDEA. * packageName : com.example.dynamicquartz * author    : wujw * date     : 2018/9/9 19:31 * version   : 1.0.0 * description : TODO */@Configurationpublic class QuartzManager {  @Autowired  private Scheduler scheduler;  @Autowired  private ICronService iCronService;  public void start(String id) throws SchedulerException {    CronEntity cronEntity = iCronService.findByCronId(id);    if(cronEntity!= null){  startJob(scheduler,cronEntity.getQuarzName(),cronEntity.getCron(),cronEntity.getSchedulerClass());    }  }  private void startJob(Scheduler scheduler,String name,String cron,String className) throws SchedulerException {    // 通過JobBuilder構建JobDetail實例，JobDetail規定只能是實現Job接口的實例    // JobDetail 是具體Job實例    Class<Job> jobClass = null;    try {      //實例化具體的Job任務      jobClass = (Class<Job>) Class.forName(className);    } catch (ClassNotFoundException e) {      e.printStackTrace();    }    JobDetail jobDetail = JobBuilder.newJob(jobClass).withIdentity(name, "group1").build();    // 基于表達式構建觸發器    CronScheduleBuilder cronScheduleBuilder = CronScheduleBuilder.cronSchedule(cron);    // CronTrigger表達式觸發器 繼承于Trigger    // TriggerBuilder 用于構建觸發器實例    CronTrigger cronTrigger = TriggerBuilder.newTrigger().withIdentity(name, "group1")        .withSchedule(cronScheduleBuilder).build();    scheduler.scheduleJob(jobDetail, cronTrigger);  }  /**   * 獲取Job信息   *   * @param name   * @param group   * @return   * @throws SchedulerException   */  public String getJobInfo(String name, String group) throws SchedulerException {    TriggerKey triggerKey = new TriggerKey(name, group);    CronTrigger cronTrigger = (CronTrigger) scheduler.getTrigger(triggerKey);    return String.format("time:%s,state:%s", cronTrigger.getCronExpression(),        scheduler.getTriggerState(triggerKey).name());  }  /**   * 修改某個任務的執行時間   *   * @param name   * @param group   * @param time   * @return   * @throws SchedulerException   */  public boolean modifyJob(String name, String group, String time) throws SchedulerException {    Date date = null;    TriggerKey triggerKey = new TriggerKey(name, group);    CronTrigger cronTrigger = (CronTrigger) scheduler.getTrigger(triggerKey);    String oldTime = cronTrigger.getCronExpression();    if (!oldTime.equalsIgnoreCase(time)) {      CronScheduleBuilder cronScheduleBuilder = CronScheduleBuilder.cronSchedule(time);      CronTrigger trigger = TriggerBuilder.newTrigger().withIdentity(name, group)          .withSchedule(cronScheduleBuilder).build();      date = scheduler.rescheduleJob(triggerKey, trigger);    }    return date != null;  }  /**   * 暫停所有任務   *   * @throws SchedulerException   */  public void pauseAllJob() throws SchedulerException {    scheduler.pauseAll();  }  /**   * 暫停某個任務   *   * @param name   * @param group   * @throws SchedulerException   */  public void pauseJob(String name, String group) throws SchedulerException {    JobKey jobKey = new JobKey(name, group);    JobDetail jobDetail = scheduler.getJobDetail(jobKey);    if (jobDetail == null)      return;    scheduler.pauseJob(jobKey);  }  /**   * 恢復所有任務   *   * @throws SchedulerException   */  public void resumeAllJob() throws SchedulerException {    scheduler.resumeAll();  }  /**   * 恢復某個任務   *   * @param name   * @param group   * @throws SchedulerException   */  public void resumeJob(String name, String group) throws SchedulerException {    JobKey jobKey = new JobKey(name, group);    JobDetail jobDetail = scheduler.getJobDetail(jobKey);    if (jobDetail == null)      return;    scheduler.resumeJob(jobKey);  }  /**   * 刪除某個任務   *   * @param name   * @param group   * @throws SchedulerException   */  public void deleteJob(String name, String group) throws SchedulerException {    JobKey jobKey = new JobKey(name, group);    JobDetail jobDetail = scheduler.getJobDetail(jobKey);    if (jobDetail == null)      return;    scheduler.deleteJob(jobKey);  }}創建兩個Task類，分別執行不同的任務public class EmailTask implements Job {  private Logger logger = LoggerFactory.getLogger(EmailTask.class);  @Autowired  private ICronService iCronService;  @Override  public void execute(JobExecutionContext jobExecutionContext) throws JobExecutionException {    logger.info("EmailTask task start execute.");    //模擬任務執行    iCronService.sendEmail(jobExecutionContext.getJobDetail().getKey().getName());  }}public class SmsTask implements Job {  private Logger logger = LoggerFactory.getLogger(SmsTask.class);  @Autowired  private ICronService iCronService;  @Override  public void execute(JobExecutionContext jobExecutionContext) throws JobExecutionException {    logger.info("SmsTask task start execute.");    //模擬任務執行    iCronService.sendSms(jobExecutionContext.getJobDetail().getKey().getName());  }}SchedulerController@RestController@RequestMapping("/scheduler")public class SchedulerController{  @Autowired  QuartzManager quartzManager;  @RequestMapping(value = "/start", method = RequestMethod.GET)   @ResponseBody  public String start(@RequestParam(name = "id", defaultValue = "") String id) {    try {      quartzManager.start(id);    } catch (SchedulerException e) {      e.printStackTrace();    }    return "啟動成功";  }}cron_table.sqlCREATE TABLE `cron_table` ( `id` varchar(11) collate utf8_bin NOT NULL, `user_id` varchar(11) collate utf8_bin default NULL, `cron` varchar(255) collate utf8_bin default NULL, `quarz_name` varchar(255) collate utf8_bin default NULL, `scheduler_class` varchar(255) collate utf8_bin default NULL, `time` datetime default NULL, PRIMARY KEY (`id`)) ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE=utf8_bin;-- ------------------------------ Records of cron_table-- ----------------------------INSERT INTO `cron_table` VALUES ('1', 'AAA', '0/5 * * * * ?', '用戶AAA', 'com.example.dynamicquartz.job.SmsTask', '2018-09-06 20:26:55');INSERT INTO `cron_table` VALUES ('2', 'BBB', '0/2 * * * * ?', '用戶BBB', 'com.example.dynamicquartz.job.EmailTask', '2018-09-09 21:02:08');測試結果http://localhost:8080/scheduler/start?id=1http://localhost:8080/scheduler/start?id=22018-09-09 21:05:08,386 [http-nio-8080-exec-2] DEBUG com.example.dynamicquartz.dao.CronMapper.load - ==> Preparing: select * from cron_table where id = ? 2018-09-09 21:05:08,408 [http-nio-8080-exec-2] DEBUG com.example.dynamicquartz.dao.CronMapper.load - ==> Parameters: 1(String)2018-09-09 21:05:08,427 [http-nio-8080-exec-2] DEBUG com.example.dynamicquartz.dao.CronMapper.load - <==   Total: 12018-09-09 21:05:10,036 [quartzScheduler_Worker-1] INFO com.example.dynamicquartz.job.SmsTask - SmsTask task start execute.用戶AAA正在發送短信2018-09-09 21:05:11,581 [http-nio-8080-exec-1] DEBUG com.example.dynamicquartz.dao.CronMapper.load - ==> Preparing: select * from cron_table where id = ? 2018-09-09 21:05:11,582 [http-nio-8080-exec-1] DEBUG com.example.dynamicquartz.dao.CronMapper.load - ==> Parameters: 2(String)2018-09-09 21:05:11,584 [http-nio-8080-exec-1] DEBUG com.example.dynamicquartz.dao.CronMapper.load - <==   Total: 12018-09-09 21:05:12,013 [quartzScheduler_Worker-2] INFO com.example.dynamicquartz.job.EmailTask - EmailTask task start execute.用戶BBB 正在發送郵件2018-09-09 21:05:14,002 [quartzScheduler_Worker-3] INFO com.example.dynamicquartz.job.EmailTask - EmailTask task start execute.用戶BBB 正在發送郵件2018-09-09 21:05:15,001 [quartzScheduler_Worker-4] INFO com.example.dynamicquartz.job.SmsTask - SmsTask task start execute.用戶AAA正在發送短信2018-09-09 21:05:16,001 [quartzScheduler_Worker-5] INFO com.example.dynamicquartz.job.EmailTask - EmailTask task start execute.用戶BBB 正在發送郵件2018-09-09 21:05:18,001 [quartzScheduler_Worker-6] INFO com.example.dynamicquartz.job.EmailTask - EmailTask task start execute.用戶BBB 正在發送郵件2018-09-09 21:05:20,000 [quartzScheduler_Worker-7] INFO com.example.dynamicquartz.job.SmsTask - SmsTask task start execute.用戶AAA正在發送短信2018-09-09 21:05:20,001 [quartzScheduler_Worker-8] INFO com.example.dynamicquartz.job.EmailTask - EmailTask task start execute.用戶BBB 正在發送郵件2018-09-09 21:05:22,001 [quartzScheduler_Worker-9] INFO com.example.dynamicquartz.job.EmailTask - EmailTask task start execute.用戶BBB 正在發送郵件2018-09-09 21:05:24,000 [quartzScheduler_Worker-10] INFO com.example.dynamicquartz.job.EmailTask - EmailTask task start execute.用戶BBB 正在發送郵件2018-09-09 21:05:25,001 [quartzScheduler_Worker-1] INFO com.example.dynamicquartz.job.SmsTask - SmsTask task start execute.用戶AAA正在發送短信2018-09-09 21:05:26,000 [quartzScheduler_Worker-2] INFO com.example.dynamicquartz.job.EmailTask - EmailTask task start execute.用戶BBB 正在發送郵件2018-09-09 21:05:28,001 [quartzScheduler_Worker-3] INFO com.example.dynamicquartz.job.EmailTask - EmailTask task start execute.