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package xyz.wbsite.dbtool.web.config;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.context.annotation.Profile;
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import org.springframework.scheduling.annotation.EnableScheduling;
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import org.springframework.scheduling.annotation.Scheduled;
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import org.springframework.scheduling.annotation.SchedulingConfigurer;
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import org.springframework.scheduling.config.ScheduledTaskRegistrar;
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import xyz.wbsite.dbtool.web.action.GlobalController;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.concurrent.Executors;
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/**
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* Task配置，默认只在开发环境生效,根据实际情况是否需要Task选择开启
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* 开启方法:将@Profile("dev") 删除(所有环境生效) 或改为 @Profile("prod")(只对生产环境生效)
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*/
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@Configuration
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@EnableScheduling
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@Profile("prod")
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public class TaskConfig implements SchedulingConfigurer {
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@Scheduled(cron="0/30 * * * * ? ")
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public void task(){
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// todo 自定实现的定时任务
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SimpleDateFormat format = new SimpleDateFormat("HH:mm:ss");
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HashMap<String, String> data = new HashMap<>();
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data.put("time", format.format(new Date()));
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GlobalController.pushAll(data);
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}
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/**
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* Spring的 Schedule 默认是单线程执行
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* 若要多线程并行运行任务 需实现SchedulingConfigurer并重写configureTasks方法
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*
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* @param scheduledTaskRegistrar
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*/
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@Override
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public void configureTasks(ScheduledTaskRegistrar scheduledTaskRegistrar) {
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scheduledTaskRegistrar.setScheduler(Executors.newScheduledThreadPool(3));
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}
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}
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