package?com.log.common;

import?java.io.File;
import?java.util.ArrayList;
import?java.util.Collections;
import?java.util.Comparator;
import?java.util.List;

import?org.slf4j.Logger;
import?org.slf4j.LoggerFactory;

public?class?DeleteLogFile?extends?Thread{

	Logger?logger?=?LoggerFactory.getLogger（“DelLogFile“）;
	
	public?static?String?filePath?=?null;
	
	@Override
	public?void?run（）?{
		logger.info（“正在進入目錄:“+filePath+“進行刪除文件操作!“）;
		List?list?=?getFile（）;
		logger.debug（“獲取到的日子文件個數為：“+list.size（））;
		if（list?!=?null?&&?list.size（）>0）{
			//根據文件的修改時間進行排序
			logger.debug（“對日志文件進行排序，按照修改時間。“）;
			?Collections.sort（list?new?Comparator（）?{??
????????????????public?int?compare（File?file?File?newFile）?{??
????????????????????if?（file.lastModified（）?????????????????????????return?1;??
????????????????????}?else?if?（file.lastModified（）?==?newFile.lastModified（））?{??
????????????????????????return?0;??
????????????????????}?else?{??
????????????????????????return?-1;??
????????????????????}??
???
????????????????}??
			?}）;
			?File?files?=?list.get（list.size（）-1）;
			?boolean?flag1?=??files.delete（）;
			?String?success?=?flag1?“成功“:“失敗“;
			?logger.debug（“刪除的文件：“+files.getName（）+“============“+success）;
		}
	}
	
	/**
	?*?
	?*?@Description:?獲取某個文件夾下的所有文件，放到list中便于后面進行排序
	?*?@author?songy
	?*?@date?2017年12月29日?下午2:10:43
	?*/
	public?static?List?getFile（）{
		File?file?=?new?File（filePath）;
		List?list?=?new?ArrayList（）;
		if（file.isDirectory（））{
			File[]?files?=?file.listFiles（）;
			if（files?!=?null?&&?files.length>0）{
				for（File?temp:files）{
					if（temp.isDirectory（））{
						getFile（）;
					}else{
						list.add（temp）;
					}
				}
			}
		}
		return?list;
	}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????1101??2018-04-19?14:58??common-log4j\.classpath

?????文件???????1033??2018-04-19?14:20??common-log4j\.project

?????文件????????119??2018-04-19?10:37??common-log4j\.settings\org.eclipse.core.resources.prefs

?????文件????????430??2018-04-19?14:58??common-log4j\.settings\org.eclipse.jdt.core.prefs

?????文件?????????90??2018-04-19?10:36??common-log4j\.settings\org.eclipse.m2e.core.prefs

?????文件????????250??2018-04-19?13:40??common-log4j\.settings\org.eclipse.wst.common.component

?????文件????????172??2018-04-19?14:58??common-log4j\.settings\org.eclipse.wst.common.project.facet.core.xml

?????文件?????????50??2018-04-19?14:20??common-log4j\.settings\org.eclipse.wst.validation.prefs

?????文件???????2130??2018-04-19?15:00??common-log4j\pom.xml

?????文件???????2007??2018-04-19?10:54??common-log4j\src\main\java\com\log\common\DeleteLogFile.java

?????文件????????488??2018-04-19?10:54??common-log4j\src\main\java\com\log\common\ExPatternLayout.java

?????文件???????1989??2018-04-19?10:54??common-log4j\src\main\java\com\log\common\ExPatternParser.java

?????文件???????9618??2018-04-19?11:19??common-log4j\src\main\java\com\log\common\ExRollingFileAppender.java

?????文件????????968??2018-04-19?11:11??common-log4j\src\main\java\com\log\common\util\Global.java

?????文件???????4532??2018-04-19?11:06??common-log4j\src\main\java\com\log\common\util\PropertiesLoader.java

?????文件???????1000??2018-04-19?14:26??common-log4j\src\main\webapp\WEB-INF\classes\com\log\common\DeleteLogFile$1.class

?????文件???????2558??2018-04-19?14:26??common-log4j\src\main\webapp\WEB-INF\classes\com\log\common\DeleteLogFile.class

?????文件????????660??2018-04-19?14:26??common-log4j\src\main\webapp\WEB-INF\classes\com\log\common\ExPatternLayout.class

?????文件???????1489??2018-04-19?14:26??common-log4j\src\main\webapp\WEB-INF\classes\com\log\common\ExPatternParser$ExPatternConverter.class

?????文件????????893??2018-04-19?14:26??common-log4j\src\main\webapp\WEB-INF\classes\com\log\common\ExPatternParser.class

?????文件???????7423??2018-04-19?14:26??common-log4j\src\main\webapp\WEB-INF\classes\com\log\common\ExRollingFileAppender.class

?????文件???????1317??2018-04-19?14:26??common-log4j\src\main\webapp\WEB-INF\classes\com\log\common\util\Global.class

?????文件???????4414??2018-04-19?14:26??common-log4j\src\main\webapp\WEB-INF\classes\com\log\common\util\PropertiesLoader.class

?????文件????????108??2018-04-19?14:41??common-log4j\src\main\webapp\WEB-INF\classes\meta-INF\MANIFEST.MF

?????文件????????220??2018-04-19?14:41??common-log4j\src\main\webapp\WEB-INF\classes\meta-INF\maven\com.log.common\log4j-common\pom.properties

?????文件???????4444??2018-04-19?14:41??common-log4j\src\main\webapp\WEB-INF\classes\meta-INF\maven\com.log.common\log4j-common\pom.xml

?????文件???????4174??2018-04-19?13:42??common-log4j\src\test\java\com\log\common\LogTest.java

?????文件???????1060??2018-04-19?14:59??common-log4j\target\classes\com\log\common\DeleteLogFile$1.class

?????文件???????2575??2018-04-19?14:59??common-log4j\target\classes\com\log\common\DeleteLogFile.class

?????文件????????665??2018-04-19?14:59??common-log4j\target\classes\com\log\common\ExPatternLayout.class

............此處省略71個文件信息