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# spring-boot-demo-task-quartz |
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# spring-boot-demo-task-quartz |
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> 此 demo 主要演示了 Spring Boot 如何集成 Quartz 定时任务,并实现对定时任务的管理,包括新增定时任务,删除定时任务,暂停定时任务,恢复定时任务,修改定时任务启动时间,以及定时任务列表查询。 |
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## 后端 |
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### 初始化 |
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在 `init/dbTables` 下选择 Quartz 需要的表结构,然后手动创建表。 |
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### pom.xml |
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```xml |
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<?xml version="1.0" encoding="UTF-8"?> |
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" |
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> |
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<modelVersion>4.0.0</modelVersion> |
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<artifactId>spring-boot-demo-task-quartz</artifactId> |
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<version>1.0.0-SNAPSHOT</version> |
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<packaging>jar</packaging> |
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<name>spring-boot-demo-task-quartz</name> |
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<description>Demo project for Spring Boot</description> |
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<parent> |
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<groupId>com.xkcoding</groupId> |
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<artifactId>spring-boot-demo</artifactId> |
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<version>1.0.0-SNAPSHOT</version> |
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</parent> |
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<properties> |
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> |
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<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding> |
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<java.version>1.8</java.version> |
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<mybatis.mapper.version>2.1.0</mybatis.mapper.version> |
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<mybatis.pagehelper.version>1.2.10</mybatis.pagehelper.version> |
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</properties> |
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<dependencies> |
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<dependency> |
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<groupId>org.springframework.boot</groupId> |
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<artifactId>spring-boot-starter-web</artifactId> |
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</dependency> |
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<dependency> |
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<groupId>org.springframework.boot</groupId> |
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<artifactId>spring-boot-starter-quartz</artifactId> |
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</dependency> |
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<dependency> |
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<groupId>tk.mybatis</groupId> |
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<artifactId>mapper-spring-boot-starter</artifactId> |
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<version>${mybatis.mapper.version}</version> |
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</dependency> |
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<dependency> |
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<groupId>com.github.pagehelper</groupId> |
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<artifactId>pagehelper-spring-boot-starter</artifactId> |
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<version>${mybatis.pagehelper.version}</version> |
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</dependency> |
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<dependency> |
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<groupId>mysql</groupId> |
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<artifactId>mysql-connector-java</artifactId> |
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</dependency> |
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<dependency> |
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<groupId>org.springframework.boot</groupId> |
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<artifactId>spring-boot-starter-test</artifactId> |
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<scope>test</scope> |
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</dependency> |
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<dependency> |
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<groupId>com.mchange</groupId> |
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<artifactId>c3p0</artifactId> |
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<version>0.9.5.2</version> |
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</dependency> |
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<dependency> |
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<groupId>cn.hutool</groupId> |
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<artifactId>hutool-all</artifactId> |
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</dependency> |
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<dependency> |
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<groupId>com.google.guava</groupId> |
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<artifactId>guava</artifactId> |
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</dependency> |
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<dependency> |
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<groupId>org.projectlombok</groupId> |
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<artifactId>lombok</artifactId> |
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<optional>true</optional> |
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</dependency> |
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</dependencies> |
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<build> |
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<finalName>spring-boot-demo-task-quartz</finalName> |
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<plugins> |
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<plugin> |
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<groupId>org.springframework.boot</groupId> |
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<artifactId>spring-boot-maven-plugin</artifactId> |
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</plugin> |
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</plugins> |
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</build> |
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</project> |
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``` |
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### application.yml |
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```yaml |
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server: |
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port: 8080 |
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servlet: |
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context-path: /demo |
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spring: |
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# 省略其余配置,具体请 clone 本项目,查看详情 |
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# ...... |
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quartz: |
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# 参见 org.springframework.boot.autoconfigure.quartz.QuartzProperties |
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job-store-type: jdbc |
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wait-for-jobs-to-complete-on-shutdown: true |
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scheduler-name: SpringBootDemoScheduler |
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properties: |
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org.quartz.threadPool.threadCount: 5 |
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org.quartz.threadPool.threadPriority: 5 |
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org.quartz.threadPool.threadsInheritContextClassLoaderOfInitializingThread: true |
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org.quartz.jobStore.misfireThreshold: 5000 |
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org.quartz.jobStore.class: org.quartz.impl.jdbcjobstore.JobStoreTX |
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org.quartz.jobStore.driverDelegateClass: org.quartz.impl.jdbcjobstore.StdJDBCDelegate |
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# 在调度流程的第一步,也就是拉取待即将触发的triggers时,是上锁的状态,即不会同时存在多个线程拉取到相同的trigger的情况,也就避免的重复调度的危险。参考:https://segmentfault.com/a/1190000015492260 |
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org.quartz.jobStore.acquireTriggersWithinLock: true |
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# 省略其余配置,具体请 clone 本项目,查看详情 |
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# ...... |
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``` |
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--- |
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> 后端其余代码请 clone 本项目,查看具体代码 |
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## 前端 |
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> 前端页面请 clone 本项目,查看具体代码 |
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## 启动 |
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1. clone 本项目 |
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2. 初始化表格 |
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3. 启动 `SpringBootDemoTaskQuartzApplication.java` |
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4. 打开浏览器,查看 http://localhost:8080/demo/job.html |
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![image-20181126214007372](assets/image-20181126214007372-3239607.png) |
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![image-20181126214109926](assets/image-20181126214109926-3239669.png) |
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![image-20181126214212905](assets/image-20181126214212905-3239732.png) |
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![image-20181126214138641](assets/image-20181126214138641-3239698.png) |
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![image-20181126214250757](assets/image-20181126214250757-3239770.png) |
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## 参考 |
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- Spring Boot 官方文档:https://docs.spring.io/spring-boot/docs/2.1.0.RELEASE/reference/htmlsingle/#boot-features-quartz |
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- Quartz 官方文档:http://www.quartz-scheduler.org/documentation/quartz-2.2.x/quick-start.html |
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- Quartz 重复调度问题:https://segmentfault.com/a/1190000015492260 |
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- 关于Quartz定时任务状态 (在 `QRTZ_TRIGGERS` 表中的 `TRIGGER_STATE` 字段) |
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![image-20181126171110378](assets/image-20181126171110378-3223470.png) |
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- Vue.js 官方文档:https://cn.vuejs.org/v2/guide/ |
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- Element-UI 官方文档:http://element-cn.eleme.io/#/zh-CN |