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  • springboot+quartz+数据库存储

    Spring整合Quartz

    a、quartz调度框架是有内置表的

    进入quartz的官网http://www.quartz-scheduler.org/,点击Downloads

       下载后在目录docsdbTables下有常用数据库创建quartz表的脚本,例如:

    导入pom依赖

    <?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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
        <modelVersion>4.0.0</modelVersion>
        <parent>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-parent</artifactId>
            <version>2.2.1.RELEASE</version>
            <relativePath/> <!-- lookup parent from repository -->
        </parent>
        <groupId>com.jt</groupId>
        <artifactId>quartz02</artifactId>
        <version>0.0.1-SNAPSHOT</version>
        <name>quartz02</name>
        <description>Demo project for Spring Boot</description>
    
        <properties>
            <java.version>1.8</java.version>
        </properties>
    
        <dependencies>
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-web</artifactId>
            </dependency>
            <dependency>
                <groupId>org.mybatis.spring.boot</groupId>
                <artifactId>mybatis-spring-boot-starter</artifactId>
                <version>2.1.1</version>
            </dependency>
    
            <dependency>
                <groupId>mysql</groupId>
                <artifactId>mysql-connector-java</artifactId>
                <scope>runtime</scope>
                <version>5.1.44</version>
            </dependency>
            <dependency>
                <groupId>org.projectlombok</groupId>
                <artifactId>lombok</artifactId>
                <optional>true</optional>
            </dependency>
    
            <!--quartz-->
            <dependency>
                <groupId>org.quartz-scheduler</groupId>
                <artifactId>quartz-jobs</artifactId>
                <version>2.2.1</version>
            </dependency>
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-quartz</artifactId>
            </dependency>
            <!--druid-->
            <dependency>
                <groupId>com.alibaba</groupId>
                <artifactId>druid-spring-boot-starter</artifactId>
                <version>1.1.10</version>
            </dependency>
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-test</artifactId>
                <scope>test</scope>
                <exclusions>
                    <exclusion>
                        <groupId>org.junit.vintage</groupId>
                        <artifactId>junit-vintage-engine</artifactId>
                    </exclusion>
                </exclusions>
            </dependency>
        </dependencies>
    
        <build>
            <resources>
                <!--解决mybatis-generator-maven-plugin运行时没有将XxxMapper.xml文件放入target文件夹的问题-->
                <resource>
                    <directory>src/main/java</directory>
                    <includes>
                        <include>**/*.xml</include>
                    </includes>
                </resource>
                <!--解决mybatis-generator-maven-plugin运行时没有将jdbc.properites文件放入target文件夹的问题-->
                <resource>
                    <directory>src/main/resources</directory>
                    <includes>
                        <include>*.properties</include>
                        <include>*.xml</include>
                        <include>*.yml</include>
                    </includes>
                </resource>
            </resources>
            <plugins>
                <plugin>
                    <groupId>org.springframework.boot</groupId>
                    <artifactId>spring-boot-maven-plugin</artifactId>
                </plugin>
                <plugin>
                    <groupId>org.mybatis.generator</groupId>
                    <artifactId>mybatis-generator-maven-plugin</artifactId>
                    <version>1.3.2</version>
                    <dependencies>
                        <!--使用Mybatis-generator插件不能使用太高版本的mysql驱动 -->
                        <dependency>
                            <groupId>mysql</groupId>
                            <artifactId>mysql-connector-java</artifactId>
                            <version>5.1.44</version>
                        </dependency>
                    </dependencies>
                    <configuration>
                        <overwrite>true</overwrite>
                    </configuration>
                </plugin>
            </plugins>
        </build>
    
    </project>

    自定义的业务表

    -- 注意:job_name存放的任务类的全路径,在quartz中通过jobName和jobGroup来确定trigger的唯一性,所以这两列为联合唯一索引
    create table t_schedule_trigger
    (
      id int primary key auto_increment,                                -- ID
      cron varchar(200) not null,                                       -- 时间表达式
      status char(1) not null,                                          -- 使用状态 0:禁用   1:启用
      job_name varchar(200) not null,                                   -- 任务名称
      job_group varchar(200) not null,                                  -- 任务分组  
      unique index(job_name,job_group)
    );
    
    -- 额外添加到任务中的参数
    create table t_schedule_trigger_param
    (
      param_id int primary key auto_increment,                                -- ID
      name varchar(200) not null,                                             -- 参数名
      value varchar(512),                                                     -- 参数值
     
      schedule_trigger_id int not null,                                       -- 外键:引用t_schedule_trigger(id)
      foreign key(schedule_trigger_id) references t_schedule_trigger(id)
    );

    导入DruidConnectionProvider.java

    package com.jt.quartz02.util;
    
    import com.alibaba.druid.pool.DruidDataSource;
    import org.quartz.SchedulerException;
    import org.quartz.utils.ConnectionProvider;
    
    import java.sql.Connection;
    import java.sql.SQLException;
    
    /*
    #============================================================================
    # JDBC
    #============================================================================
    org.quartz.jobStore.driverDelegateClass:org.quartz.impl.jdbcjobstore.StdJDBCDelegate
    org.quartz.jobStore.useProperties:false
    org.quartz.jobStore.dataSource:qzDS
    #org.quartz.dataSource.qzDS.connectionProvider.class:org.quartz.utils.PoolingConnectionProvider
    org.quartz.dataSource.qzDS.connectionProvider.class:com.zking.q03.quartz.DruidConnectionProvider
    org.quartz.dataSource.qzDS.driver:com.mysql.jdbc.Driver
    org.quartz.dataSource.qzDS.URL:jdbc:mysql://127.0.0.1:3306/test?useUnicode=true&characterEncoding=UTF-8
    org.quartz.dataSource.qzDS.user:root
    org.quartz.dataSource.qzDS.password:root
    org.quartz.dataSource.qzDS.maxConnections:30
    org.quartz.dataSource.qzDS.validationQuery: select 0
    */
    
    /**
     * [Druid连接池的Quartz扩展类]
     */
    public class DruidConnectionProvider implements ConnectionProvider {
    
         /*
         * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         *
         * 常量配置,与quartz.properties文件的key保持一致(去掉前缀),同时提供set方法,Quartz框架自动注入值。
         *
         * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         */
    
        //JDBC驱动
        public String driver;
        //JDBC连接串
        public String URL;
        //数据库用户名
        public String user;
        //数据库用户密码
        public String password;
        //数据库最大连接数
        public int maxConnection;
        //数据库SQL查询每次连接返回执行到连接池,以确保它仍然是有效的。
        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;
    
        //Druid连接池
        private DruidDataSource datasource;
    
        /*
        * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
        *
        * 接口实现
        *
        * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
        */
        public Connection getConnection() throws SQLException {
            return datasource.getConnection();
        }
    
        public void shutdown() throws SQLException {
            datasource.close();
        }
        public void initialize() throws SQLException{
            if (this.URL == null) {
                throw new SQLException("DBPool could not be created: DB URL cannot be null");
            }
    
            if (this.driver == null) {
                throw new SQLException("DBPool driver could not be created: DB driver class name cannot be null!");
            }
    
            if (this.maxConnection < 0) {
                throw new SQLException("DBPool maxConnectins could not be created: Max connections must be greater than zero!");
            }
    
            datasource = new DruidDataSource();
            try{
                datasource.setDriverClassName(this.driver);
            } catch (Exception e) {
                try {
                    throw new SchedulerException("Problem setting driver class name on datasource: " + e.getMessage(), e);
                } catch (SchedulerException e1) {
                }
            }
    
            datasource.setUrl(this.URL);
            datasource.setUsername(this.user);
            datasource.setPassword(this.password);
            datasource.setMaxActive(this.maxConnection);
            datasource.setMinIdle(1);
            datasource.setMaxWait(0);
            datasource.setMaxPoolPreparedStatementPerConnectionSize(this.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);
            }
        }
    
        /*
        * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
        *
        * 提供get set方法
        *
        * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
        */
        public String getDriver() {
            return driver;
        }
    
        public void setDriver(String driver) {
            this.driver = driver;
        }
    
        public String getURL() {
            return URL;
        }
    
        public void setURL(String URL) {
            this.URL = URL;
        }
    
        public String getUser() {
            return user;
        }
    
        public void setUser(String user) {
            this.user = user;
        }
    
        public String getPassword() {
            return password;
        }
    
        public void setPassword(String password) {
            this.password = password;
        }
    
        public int getMaxConnection() {
            return maxConnection;
        }
    
        public void setMaxConnection(int maxConnection) {
            this.maxConnection = maxConnection;
        }
    
        public String getValidationQuery() {
            return validationQuery;
        }
    
        public void setValidationQuery(String validationQuery) {
            this.validationQuery = validationQuery;
        }
    
        public boolean isValidateOnCheckout() {
            return validateOnCheckout;
        }
    
        public void setValidateOnCheckout(boolean validateOnCheckout) {
            this.validateOnCheckout = validateOnCheckout;
        }
    
        public int getIdleConnectionValidationSeconds() {
            return idleConnectionValidationSeconds;
        }
    
        public void setIdleConnectionValidationSeconds(int idleConnectionValidationSeconds) {
            this.idleConnectionValidationSeconds = idleConnectionValidationSeconds;
        }
    
        public DruidDataSource getDatasource() {
            return datasource;
        }
    
        public void setDatasource(DruidDataSource datasource) {
            this.datasource = datasource;
        }
    }

    quartz.properties

    #
    #============================================================================
    # 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
    #============================================================================
    #u5B58u50A8u65B9u5F0Fu4F7Fu7528JobStoreTXuFF0Cu4E5Fu5C31u662Fu6570u636Eu5E93
    org.quartz.jobStore.class: org.quartz.impl.jdbcjobstore.JobStoreTX
    org.quartz.jobStore.driverDelegateClass:org.quartz.impl.jdbcjobstore.StdJDBCDelegate
    #u4F7Fu7528u81EAu5DF1u7684u914Du7F6Eu6587u4EF6
    org.quartz.jobStore.useProperties:true
    #u6570u636Eu5E93u4E2Dquartzu8868u7684u8868u540Du524Du7F00
    org.quartz.jobStore.tablePrefix:qrtz_
    org.quartz.jobStore.dataSource:qzDS
    #u662Fu5426u4F7Fu7528u96C6u7FA4uFF08u5982u679Cu9879u76EEu53EAu90E8u7F72u5230 u4E00u53F0u670Du52A1u5668uFF0Cu5C31u4E0Du7528u4E86uFF09
    org.quartz.jobStore.isClustered = true
    #============================================================================
    # Configure Datasources
    #============================================================================
    #u914Du7F6Eu6570u636Eu5E93u6E90
    org.quartz.dataSource.qzDS.connectionProvider.class: com.jt.quartz02.util.DruidConnectionProvider
    org.quartz.dataSource.qzDS.driver: com.mysql.jdbc.Driver
    org.quartz.dataSource.qzDS.URL: jdbc:mysql://localhost:3306/xm1?useUnicode=true&characterEncoding=utf8
    org.quartz.dataSource.qzDS.user: root
    org.quartz.dataSource.qzDS.password: 123
    org.quartz.dataSource.qzDS.maxConnection: 10

    MyJobFactory.java

    package com.jt.quartz02.quartz;
    
    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 {
        //这个对象Spring会帮我们自动注入进来
        @Autowired
        private AutowireCapableBeanFactory autowireCapableBeanFactory;
    
        //重写创建Job任务的实例方法
        @Override
        protected Object createJobInstance(TriggerFiredBundle bundle) throws Exception {
           //获取quartz框架的任务实例
            Object jobInstance = super.createJobInstance(bundle);
            //通过以下方式,解决Job任务无法使用Spring中的Bean问题
            autowireCapableBeanFactory.autowireBean(jobInstance);
            return jobInstance;
        }
    
    }

    QuartzConfiguration.javaquartz调度框架与spring框架整合的配置类,主要是要将org.quartz.Scheduler交给spring进行管理)

    package com.jt.quartz02.quartz;
    
    
    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.io.IOException;
    import java.util.Properties;
    
    /**
     * 创建配置类
     */
    @Configuration
    public class QuartzConfiguration {
    
        @Autowired
        private MyJobFactory myJobFactory;
    
        @Bean
        public SchedulerFactoryBean schedulerFactoryBean(){
            SchedulerFactoryBean sc=new SchedulerFactoryBean();
            try {
                //加载自定义的quartz.properties文件
                sc.setQuartzProperties(quartzProperties());
                //设置自定义的JobFactory工程类,解决Spring不能再Quartz框架中Bean的注入问题
                sc.setJobFactory(myJobFactory);
                return sc;
            } catch (IOException e) {
                throw new RuntimeException(e);
            }
        }
    
        //指定quartz.properties
        @Bean
        public Properties quartzProperties() throws IOException {
            //创建Properties属性工厂Bean类
            PropertiesFactoryBean propertiesFactoryBean = new PropertiesFactoryBean();
            //加载自定义的quartz.properties
            propertiesFactoryBean.setLocation(new ClassPathResource("/quartz.properties"));
            propertiesFactoryBean.afterPropertiesSet();
            return propertiesFactoryBean.getObject();
        }
    
        //创建schedule
        @Bean(name = "scheduler")
        public Scheduler scheduler() {
            //从调度器工厂Bean中获取调取度实例对象
            return schedulerFactoryBean().getScheduler();
        }
    }

    案例中需要观察表数据变化的表

    -- 自定义的业务表
    SELECT * FROM t_schedule_trigger;
    SELECT * FROM t_schedule_trigger_param;
    
    -- quartz调度框架自带的表
    SELECT * FROM qrtz_scheduler_state;
    SELECT * FROM qrtz_cron_triggers;
    SELECT * FROM qrtz_simple_triggers
    SELECT * FROM qrtz_triggers;
    SELECT * FROM qrtz_job_details;

    application.yml

    server:
        port: 8080
        servlet:
          context-path: /
    spring:
     datasource:
        #1.JDBC
        type: com.alibaba.druid.pool.DruidDataSource
        driver-class-name: com.mysql.jdbc.Driver
        url: jdbc:mysql://localhost:3306/xm1?useUnicode=true&characterEncoding=utf8
        username: root
        password: 123
        druid:
           #2.连接池配置
          #初始化连接池的连接数量 大小,最小,最大
          initial-size: 5
          min-idle: 5
          max-active: 20
          #配置获取连接等待超时的时间
          max-wait: 60000
            #配置间隔多久才进行一次检测,检测需要关闭的空闲连接,单位是毫秒
          time-between-eviction-runs-millis: 60000
          # 配置一个连接在池中最小生存的时间,单位是毫秒
          min-evictable-idle-time-millis: 30000
          validation-query: SELECT 1 FROM DUAL
          test-while-idle: true
          test-on-borrow: true
          test-on-return: false
          # 是否缓存preparedStatement,也就是PSCache  官方建议MySQL下建议关闭   个人建议如果想用SQL防火墙 建议打开
          pool-prepared-statements: true
          max-pool-prepared-statement-per-connection-size: 20
         # 配置监控统计拦截的filters,去掉后监控界面sql无法统计,'wall'用于防火墙
          filter:
            stat:
              merge-sql: true
              slow-sql-millis: 5000
          #3.基础监控配置
          web-stat-filter:
            enabled: true
            url-pattern: /*
            #设置不统计哪些URL
            exclusions: "*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid/*"
            session-stat-enable: true
            session-stat-max-count: 100
          stat-view-servlet:
            enabled: true
            url-pattern: /druid/*
            reset-enable: true
            #设置监控页面的登录名和密码
            login-username: admin
            login-password: admin
            allow: 127.0.0.1
    
    
    #mybatis配置
    mybatis:
     #配置SQL映射文件路径
        mapper-locations: classpath:mapper/*.xml
       #驼峰命名
        configuration:
           map-underscore-to-camel-case: true
    logging:
        level:
          com.jt.quartz02.mapper: debug
    
            #deny: 192.168.1.100
    Quartz02Application
    package com.jt.quartz02;
    
    import org.mybatis.spring.annotation.MapperScan;
    import org.springframework.boot.SpringApplication;
    import org.springframework.boot.autoconfigure.SpringBootApplication;
    import org.springframework.scheduling.annotation.EnableScheduling;
    import org.springframework.transaction.annotation.EnableTransactionManagement;
    
    
    @SpringBootApplication
    @MapperScan("com.jt.quartz02.mapper")
    @EnableTransactionManagement
    @EnableScheduling
    public class Quartz02Application {
        public static void main(String[] args) {
            SpringApplication.run(Quartz02Application.class, args);
        }
    
    
    }

    generatorConfig.xml

    <?xml version="1.0" encoding="UTF-8" ?>
    <!DOCTYPE generatorConfiguration PUBLIC "-//mybatis.org//DTD MyBatis Generator Configuration 1.0//EN"
            "http://mybatis.org/dtd/mybatis-generator-config_1_0.dtd" >
    <generatorConfiguration>
        <!-- 引入配置文件 -->
        <properties resource="jdbc.properties"/>
    
        <!--指定数据库jdbc驱动jar包的位置-->
        <classPathEntry location="D:
    epositorymvn-repositorymysqlmysql-connector-java5.1.44mysql-connector-java-5.1.44.jar"/>
        <!-- 一个数据库一个context -->
        <context id="infoGuardian">
            <!-- 注释 -->
            <commentGenerator>
                <property name="suppressAllComments" value="true"/><!-- 是否取消注释 -->
                <property name="suppressDate" value="true"/> <!-- 是否生成注释代时间戳 -->
            </commentGenerator>
    
            <!-- jdbc连接 -->
            <jdbcConnection driverClass="${jdbc.driver}"
                            connectionURL="${jdbc.url}" userId="${jdbc.username}" password="${jdbc.password}"/>
    
            <!-- 类型转换 -->
            <javaTypeResolver>
                <!-- 是否使用bigDecimal, false可自动转化以下类型(Long, Integer, Short, etc.) -->
                <property name="forceBigDecimals" value="false"/>
            </javaTypeResolver>
    
            <!-- 01 指定javaBean生成的位置 -->
            <!-- targetPackage:指定生成的model生成所在的包名 -->
            <!-- targetProject:指定在该项目下所在的路径  -->
            <javaModelGenerator targetPackage="com.jt.quartz02.model"
                                targetProject="src/main/java">
                <!-- 是否允许子包,即targetPackage.schemaName.tableName -->
                <property name="enableSubPackages" value="false"/>
                <!-- 是否对model添加构造函数 -->
                <property name="constructorBased" value="true"/>
                <!-- 是否针对string类型的字段在set的时候进行trim调用 -->
                <property name="trimStrings" value="false"/>
                <!-- 建立的Model对象是否 不可改变  即生成的Model对象不会有 setter方法,只有构造方法 -->
                <property name="immutable" value="false"/>
            </javaModelGenerator>
    
            <!-- 02 指定sql映射文件生成的位置 -->
            <sqlMapGenerator targetPackage="com.jt.quartz02.mapper"
                             targetProject="src/main/java">
                <!-- 是否允许子包,即targetPackage.schemaName.tableName -->
                <property name="enableSubPackages" value="false"/>
            </sqlMapGenerator>
    
            <!-- 03 生成XxxMapper接口 -->
            <!-- type="ANNOTATEDMAPPER",生成Java Model 和基于注解的Mapper对象 -->
            <!-- type="MIXEDMAPPER",生成基于注解的Java Model 和相应的Mapper对象 -->
            <!-- type="XMLMAPPER",生成SQLMap XML文件和独立的Mapper接口 -->
            <javaClientGenerator targetPackage="com.jt.quartz02.mapper"
                                 targetProject="src/main/java" type="XMLMAPPER">
                <!-- 是否在当前路径下新加一层schema,false路径com.oop.eksp.user.model, true:com.oop.eksp.user.model.[schemaName] -->
                <property name="enableSubPackages" value="false"/>
            </javaClientGenerator>
    
            <!-- 配置表信息 -->
            <!-- schema即为数据库名 -->
            <!-- tableName为对应的数据库表 -->
            <!-- domainObjectName是要生成的实体类 -->
            <!-- enable*ByExample是否生成 example类 -->
            <!--<table schema="" tableName="t_book" domainObjectName="Book"-->
                   <!--enableCountByExample="false" enableDeleteByExample="false"-->
                   <!--enableSelectByExample="false" enableUpdateByExample="false">-->
                <!--&lt;!&ndash; 忽略列,不生成bean 字段 &ndash;&gt;-->
                <!--&lt;!&ndash; <ignoreColumn column="FRED" /> &ndash;&gt;-->
                <!--&lt;!&ndash; 指定列的java数据类型 &ndash;&gt;-->
                <!--&lt;!&ndash; <columnOverride column="LONG_VARCHAR_FIELD" jdbcType="VARCHAR" /> &ndash;&gt;-->
            <!--</table>-->
    
           <!-- <table schema="" tableName="t_schedule_trigger" domainObjectName="ScheduleTtrigger"
                   enableCountByExample="false" enableDeleteByExample="false"
                   enableSelectByExample="false" enableUpdateByExample="false">
                &lt;!&ndash; 忽略列,不生成bean 字段 &ndash;&gt;
                &lt;!&ndash; <ignoreColumn column="FRED" /> &ndash;&gt;
                &lt;!&ndash; 指定列的java数据类型 &ndash;&gt;
                &lt;!&ndash; <columnOverride column="LONG_VARCHAR_FIELD" jdbcType="VARCHAR" /> &ndash;&gt;
            </table>
            <table schema="" tableName="t_schedule_trigger_param" domainObjectName="ScheduleTriggerParam"
                   enableCountByExample="false" enableDeleteByExample="false"
                   enableSelectByExample="false" enableUpdateByExample="false">
                &lt;!&ndash; 忽略列,不生成bean 字段 &ndash;&gt;
                &lt;!&ndash; <ignoreColumn column="FRED" /> &ndash;&gt;
                &lt;!&ndash; 指定列的java数据类型 &ndash;&gt;
                &lt;!&ndash; <columnOverride column="LONG_VARCHAR_FIELD" jdbcType="VARCHAR" /> &ndash;&gt;
            </table>-->
    
        </context>
    </generatorConfiguration>

    jdbc.properties

    jdbc.driver=com.mysql.jdbc.Driver
    jdbc.url=jdbc:mysql://localhost:3306/xm1?useUnicode=true&characterEncoding=UTF-8
    jdbc.username=root
    jdbc.password=123

    ScheduleTtriggerMapper

    package com.jt.quartz02.mapper;
    
    
    import com.jt.quartz02.model.ScheduleTtrigger;
    import org.springframework.stereotype.Repository;
    
    import java.util.List;
    
    @Repository
    public interface ScheduleTtriggerMapper {
        int deleteByPrimaryKey(Integer id);
    
        int insert(ScheduleTrigger record);
    
        int insertSelective(ScheduleTrigger record);
    
        ScheduleTrigger selectByPrimaryKey(Integer id);
    
        int updateByPrimaryKeySelective(ScheduleTrigger record);
    
        int updateByPrimaryKey(ScheduleTrigger record);
        /**
         * 获取所有的定时调度任务信息t_schedule_trigger
         */
        List<ScheduleTtrigger> queryScheduleTtrigger();
    }

    ScheduleTtriggerMapper.xml

      <select id="queryScheduleTtrigger" resultType="com.jt.quartz02.model.ScheduleTtrigger">
        SELECT
        <include refid="Base_Column_List"/>
        FROM  t_schedule_trigger
      </select>

    ScheduleTriggerParamMapper

    package com.jt.quartz02.mapper;
    
    
    import com.jt.quartz02.model.ScheduleTriggerParam;
    import org.springframework.stereotype.Repository;
    
    
    import java.util.List;
    
    @Repository
    public interface ScheduleTriggerParamMapper {
        int deleteByPrimaryKey(Integer param_id);
    
        int insert(ScheduleTriggerParam record);
    
        int insertSelective(ScheduleTriggerParam record);
    
        ScheduleTriggerParam selectByPrimaryKey(Integer param_id);
    
        int updateByPrimaryKeySelective(ScheduleTriggerParam record);
    
        int updateByPrimaryKey(ScheduleTriggerParam record);
    
        /**
         * 根据定时任务id获取任务对应的执行参数信息
         */
        List<ScheduleTriggerParam> queryScheduleParams(Integer id);
    }

    ScheduleTriggerParamMapper.xml

        <select id="queryScheduleParams" resultType="com.jt.quartz02.model.ScheduleTriggerParam">
        SELECT
        <include refid="Base_Column_List"/>
        FROM  t_schedule_trigger_param where
          schedule_trigger_id=#{id}
        </select>

    spring自带定时任务作业类SScheduleTriggerParamServiceImpl

    package com.jt.quartz02.service.impl;
    
    
    import com.jt.quartz02.mapper.ScheduleTriggerParamMapper;
    import com.jt.quartz02.mapper.ScheduleTtriggerMapper;
    import com.jt.quartz02.model.ScheduleTriggerParam;
    import com.jt.quartz02.model.ScheduleTtrigger;
    import org.quartz.*;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.scheduling.annotation.Scheduled;
    import org.springframework.stereotype.Service;
    
    import java.util.List;
    
    @Service
    public class SScheduleTriggerParamServiceImpl {
    
      //获取调度器实例
        @Autowired
        private Scheduler scheduler;
    
        @Autowired
        private ScheduleTtriggerMapper sheduleTtriggerMapper;
    
        @Autowired
        private ScheduleTriggerParamMapper scheduleTriggerParamMapper;
    
        @Scheduled(cron = "*/10 * * * * ?")
        public void reflushScheduler(){
            try {
                //1.循环获取数据库里面的所有定时任务信息
                List<ScheduleTtrigger> list = sheduleTtriggerMapper.queryScheduleTtrigger();
                //2.循环遍历
                for (ScheduleTtrigger scheduleTtrigger : list) {
                    //获取cron表达式
                    String cron=scheduleTtrigger.getCron();
                    //获取Jobname,job任务类的全路径名
                    String jobname=scheduleTtrigger.getJobName();
                    //获取JobGroup
                    String jobGroup=scheduleTtrigger.getJobGroup();
                    //获取Status运行状态
                    String status=scheduleTtrigger.getStatus();
                   //3.根据Jobname和JobGroup生成TriggerKey
                    TriggerKey triggerKey = TriggerKey.triggerKey(jobname, jobGroup);
                    //4根据TriggerKey获取Scheduler调度器中的触发器,并判断是否为null,不为null即存在
                    CronTrigger trigger =(CronTrigger) scheduler.getTrigger(triggerKey);
                    //5判断是否为null
                     if(null==trigger){
                         //6.判断当前kob任务是否可用
                         if(status.equals("0"))
                             continue;
                         //7.创建JobDetail
                         JobDetail jobDetail = JobBuilder.newJob((Class<? extends Job>) Class.forName(jobname))
                                 .withIdentity(jobname,jobGroup)
                                 .build();
                         //8.传递参数到job任中
                         JobDataMap jobDataMap=jobDetail.getJobDataMap();
                         //获取调度器任务id
                         Integer scheduleid=scheduleTtrigger.getId();
                         List<ScheduleTriggerParam> params = scheduleTriggerParamMapper.queryScheduleParams(scheduleid);
                         for (ScheduleTriggerParam param : params) {
                             jobDataMap.put(param.getName(),param.getValue());
                         }
                         //9.创建cron表达式调度器
                         CronScheduleBuilder cronScheduleBuilder =
                                 CronScheduleBuilder.cronSchedule(cron);
                         //10 创建cron表达式触发器
                         trigger=TriggerBuilder.newTrigger()
                         .withIdentity(jobname,jobGroup)
                         .withSchedule(cronScheduleBuilder)
                         .build();
                         //11.将jobDetail和Trigger注入到调度器中
                         scheduler.scheduleJob(jobDetail,trigger);
                     }
    
                     else{
                         System.out.println("Quartz调度器实例已经存在");
                        if(status.equals("0")){
                            //删除调度任务
                        JobKey jobKey=JobKey.jobKey(jobname,jobGroup);
                        scheduler.deleteJob(jobKey);
                        continue;
                        }
    
                        //获取调度器中的表达式
                         String cronExpression = trigger.getCronExpression();
                        //将调度器中的cron与数据库中的job任务进行比对
                         if(!cron.equals(cronExpression)){
                               //重构表达式调度器
                             CronScheduleBuilder newCronSchedule = CronScheduleBuilder.cronSchedule(cron);
                             //重构CronTrigger
                           trigger=TriggerBuilder.newTrigger()
                             .withIdentity(triggerKey)
                             .withSchedule(newCronSchedule)
                              .build();
                           //刷新调度器实例
                             scheduler.rescheduleJob(triggerKey,trigger);
    
                         }
                     }
                }
            } catch (Exception e) {
                e.printStackTrace();
            }
    
    
        }
    
    }

    MyJob.java

    package com.jt.quartz02.quartz;
    
    import lombok.extern.slf4j.Slf4j;
    import org.quartz.Job;
    import org.quartz.JobExecutionContext;
    import org.quartz.JobExecutionException;
    import org.springframework.stereotype.Component;
    
    import java.util.Date;
    
    
    @Component
    @Slf4j
    public class MyJob implements Job{
    
        //获取spring 上下文的Bean
        @Override
        public void execute(JobExecutionContext jobExecutionContext) throws JobExecutionException {
            System.out.println("这是一个简单的Job任务调度实例"+ new Date().toLocaleString());
        }
    
    }

    Spring自带定时任务每10s执行一次,查询自定义触发器表,获取到具体的作业类及任务表达式,quartz的任务为每5s执行一次,所以打印如上

    MyJob1.java

    package com.jt.quartz02.quartz;
    
    
    import com.jt.quartz02.model.ScheduleTriggerParam;
    import com.jt.quartz02.service.IScheduleTriggerParamService;
    import lombok.extern.slf4j.Slf4j;
    import org.quartz.*;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.stereotype.Component;
    
    import java.util.Date;
    import java.util.List;
    
    
    @Component
    @Slf4j
    public class MyJob1 implements Job{
    
        @Autowired
        private IScheduleTriggerParamService IScheduleTriggerParamService;
        //获取spring 上下文的Bean
        @Override
        public void execute(JobExecutionContext jobExecutionContext) throws JobExecutionException {
            System.out.println("这是一个获取sprig中Bean的job任务"+new Date().toLocaleString());
    
            List<ScheduleTriggerParam> scheduleTriggerParams =
                    IScheduleTriggerParamService.queryScheduleParams(2);
            System.out.println("参数数量"+scheduleTriggerParams.size());
        }
    
    }

    MyJob2.java

    package com.jt.quartz02.quartz;
    
    import lombok.extern.slf4j.Slf4j;
    import org.quartz.*;
    import org.springframework.stereotype.Component;
    
    import java.util.Date;
    @Component
    @Slf4j
    public class MyJob2 implements Job{
        @Override
        public void execute(JobExecutionContext jobExecutionContext) throws JobExecutionException {
            JobDetail jobDetail =
                    jobExecutionContext.getJobDetail();
            JobDataMap jobDataMap = jobDetail.getJobDataMap();
            System.out.println(new Date().toLocaleString()+"-->MyJob2参数传递name="+jobDataMap.get("name")+",score="+
                    jobDataMap.get("score"));
        }
    

     

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  • 原文地址:https://www.cnblogs.com/ztbk/p/11980331.html
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