Quartz-2.2.0后台定时任务如何实现长尾词自动抓取？

本文共计274个文字，预计阅读时间需要2分钟。

plaintext配置文件：applicationContext.xmlJava类：ScheduleTask.java包：com.cstor.ctape.scheduleimport java.sql.Timestamp;import java.util.ArrayList;import java.util.List;

配置文件 applicationContext.xml

java shedule轮询任务 ActivetimeScheduleQuartz.java

package com.cstor.ctape.schedule; import java.sql.Timestamp; import java.util.ArrayList; import java.util.List; import com.cstor.ctape.dao.CtapeUserTapeDao; import com.cstor.ctape.dao.TapeDao; import com.cstor.ctape.entity.CtapeUserTape; import com.cstor.ctape.entity.Tape; public class ActivetimeScheduleQuartz { private CtapeUserTapeDao ctapeUserTapeDao; public CtapeUserTapeDao getCtapeUserTapeDao() { return ctapeUserTapeDao; } public void setCtapeUserTapeDao(CtapeUserTapeDao ctapeUserTapeDao) { this.ctapeUserTapeDao = ctapeUserTapeDao; } private TapeDao tapeDao; public TapeDao getTapeDao() { return tapeDao; } public void setTapeDao(TapeDao tapeDao) { this.tapeDao = tapeDao; } public void activetimeSchedule() { List cutlist = new ArrayList (); cutlist = ctapeUserTapeDao.list(); for (CtapeUserTape ctapeUserTape : cutlist) { long ct = System.currentTimeMillis(); Timestamp endtime = ctapeUserTape.getEnd_time(); long et = endtime.getTime(); long remaintime = et - ct; if (remaintime > 0) { ctapeUserTape.setRemaining_time(remaintime); ctapeUserTapeDao.update(ctapeUserTape); } else { int id = ctapeUserTape.getUser_id(); String physical_tape_id = ctapeUserTape.getPhysical_tape_id(); ctapeUserTapeDao.delete(id, physical_tape_id); } String tapeid = ctapeUserTape.getPhysical_tape_id(); Tape tape = tapeDao.findById(tapeid); if(tape.getWrite_protect_status()!=1){ int id = ctapeUserTape.getUser_id(); ctapeUserTapeDao.delete(id, tapeid); } } } } quartz所需jar包