package?test;
import?java.io.IOException;
import?org.apache.hadoop.conf.Configuration;
import?org.apache.hadoop.fs.Path;
import?org.apache.hadoop.io.IntWritable;
import?org.apache.hadoop.io.Text;
import?org.apache.hadoop.mapreduce.Job;
import?org.apache.hadoop.mapreduce.Mapper;
import?org.apache.hadoop.mapreduce.Reducer;
import?org.apache.hadoop.mapreduce.lib.input.FileInputFormat;
import?org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;
import?org.apache.hadoop.util.GenericOptionsParser;

public?class?accessTimesSort?{
	
public?static?class?MyMapper?
extends?Mapperject?TextIntWritableText>{

public?void?map（object?key?Text?value?Context?context
?????????????）?throws?IOException?InterruptedException?{
	
	?String?lines?=?value.toString（）;??
	?String?array[]?=?lines.split（“\t“）;?????????//指定tab為分隔符，組成數(shù)組
	?int?keyOutput?=?Integer.parseInt（array[1]）;?//提取訪(fǎng)問(wèn)次數(shù)做為Key
	?String?valueOutput?=?array[0];??????????????//提取訪(fǎng)問(wèn)日期做為Values
	?context.write（new?IntWritable（keyOutput）?new?Text（valueOutput））;?
?}
}

public?static?class?MyReducer?
extends?Reducer?{

public?void?reduce（IntWritable?key?Iterable?values?
????????????????Context?context
????????????????）?throws?IOException?InterruptedException?{
????for（Text?value?:?values）{
????????context.write（value?key）;
????}
??}
}

	public?static?void?main（String[]?args）?throws?Exception{
	????Configuration?conf?=?new?Configuration（）;
	????String[]?otherArgs?=?new?GenericOptionsParser（conf?args）.getRemainingArgs（）;
	????if?（otherArgs.length?	??????System.err.println（“Usage:?wordcount??[...]?“）;
	??????System.exit（2）;
	????}
	????Job?job?=?new?Job（conf?“Access?Time?Sort“）;
	????job.setJarByClass（accessTimesSort.class）;
	????job.setMapperClass（MyMapper.class）;
	????job.setReducerClass（MyReducer.class）;
	????job.setMapOutputKeyClass（IntWritable.class）;
	????job.setMapOutputValueClass（Text.class）;
	????
	????job.setOutputKeyClass（Text.class）;
	????job.setOutputValueClass（IntWritable.class）;
	????
	????for?（int?i?=?0;?i?	??????FileInputFormat.addInputPath（job?new?Path（otherArgs[i]））;
	????}
	????FileOutputFormat.setOutputPath（job
	??????new?Path（otherArgs[otherArgs.length?-?1]））;
	????System.exit（job.waitForCompletion（true）???0?:?1）;
	}
}

?屬性????????????大小?????日期????時(shí)間???名稱(chēng)
-----------?---------??----------?-----??----
?????目錄???????????0??2019-04-10?00:19??《Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)》源數(shù)據(jù)和代碼\
?????目錄???????????0??2019-04-10?00:20??《Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)》源數(shù)據(jù)和代碼\Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)\
?????目錄???????????0??2019-04-10?00:19??《Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)》源數(shù)據(jù)和代碼\Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)\第2章\
?????目錄???????????0??2019-04-10?00:19??《Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)》源數(shù)據(jù)和代碼\Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)\第2章\02-習(xí)題答案\
?????文件???????47572??2018-07-29?17:49??《Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)》源數(shù)據(jù)和代碼\Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)\第2章\02-習(xí)題答案\第二章習(xí)題答案.docx
?????目錄???????????0??2019-04-10?00:20??《Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)》源數(shù)據(jù)和代碼\Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)\第3章\
?????目錄???????????0??2019-04-10?00:19??《Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)》源數(shù)據(jù)和代碼\Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)\第3章\01-任務(wù)程序\
?????目錄???????????0??2019-04-10?00:19??《Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)》源數(shù)據(jù)和代碼\Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)\第3章\01-任務(wù)程序\data\
?????文件???226379675??2018-07-29?18:06??《Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)》源數(shù)據(jù)和代碼\Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)\第3章\01-任務(wù)程序\data\email_log.txt
?????目錄???????????0??2019-04-10?00:20??《Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)》源數(shù)據(jù)和代碼\Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)\第3章\02-習(xí)題答案\
?????目錄???????????0??2019-04-10?00:20??《Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)》源數(shù)據(jù)和代碼\Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)\第3章\02-習(xí)題答案\data\
?????文件??????????46??2018-07-29?17:49??《Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)》源數(shù)據(jù)和代碼\Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)\第3章\02-習(xí)題答案\data\helloword.txt
?????文件??????180032??2018-07-29?17:49??《Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)》源數(shù)據(jù)和代碼\Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)\第3章\02-習(xí)題答案\第三章習(xí)題答案.docx
?????目錄???????????0??2019-04-10?00:20??《Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)》源數(shù)據(jù)和代碼\Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)\第4章\
?????目錄???????????0??2019-04-10?00:20??《Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)》源數(shù)據(jù)和代碼\Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)\第4章\01-任務(wù)程序\
?????目錄???????????0??2019-04-10?00:20??《Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)》源數(shù)據(jù)和代碼\Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)\第4章\01-任務(wù)程序\code\
?????目錄???????????0??2019-04-10?00:20??《Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)》源數(shù)據(jù)和代碼\Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)\第4章\01-任務(wù)程序\code\按日期統(tǒng)計(jì)及按日期排序（任務(wù)4.3與4.4）\
?????目錄???????????0??2019-04-10?00:20??《Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)》源數(shù)據(jù)和代碼\Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)\第4章\01-任務(wù)程序\code\按日期統(tǒng)計(jì)及按日期排序（任務(wù)4.3與4.4）\MemberCount\
?????文件???????18967??2018-07-29?17:49??《Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)》源數(shù)據(jù)和代碼\Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)\第4章\01-任務(wù)程序\code\按日期統(tǒng)計(jì)及按日期排序（任務(wù)4.3與4.4）\MemberCount\.classpath
?????文件?????????440??2018-07-29?17:49??《Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)》源數(shù)據(jù)和代碼\Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)\第4章\01-任務(wù)程序\code\按日期統(tǒng)計(jì)及按日期排序（任務(wù)4.3與4.4）\MemberCount\.project
?????目錄???????????0??2019-04-10?00:20??《Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)》源數(shù)據(jù)和代碼\Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)\第4章\01-任務(wù)程序\code\按日期統(tǒng)計(jì)及按日期排序（任務(wù)4.3與4.4）\MemberCount\.settings\
?????文件?????????670??2018-07-29?17:49??《Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)》源數(shù)據(jù)和代碼\Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)\第4章\01-任務(wù)程序\code\按日期統(tǒng)計(jì)及按日期排序（任務(wù)4.3與4.4）\MemberCount\.settings\org.eclipse.jdt.core.prefs
?????目錄???????????0??2019-04-10?00:20??《Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)》源數(shù)據(jù)和代碼\Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)\第4章\01-任務(wù)程序\code\按日期統(tǒng)計(jì)及按日期排序（任務(wù)4.3與4.4）\MemberCount\bin\
?????目錄???????????0??2019-04-10?00:20??《Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)》源數(shù)據(jù)和代碼\Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)\第4章\01-任務(wù)程序\code\按日期統(tǒng)計(jì)及按日期排序（任務(wù)4.3與4.4）\MemberCount\bin\test\
?????文件????????2197??2018-07-29?17:49??《Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)》源數(shù)據(jù)和代碼\Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)\第4章\01-任務(wù)程序\code\按日期統(tǒng)計(jì)及按日期排序（任務(wù)4.3與4.4）\MemberCount\bin\test\accessTimesSort$MyMapper.class
?????文件????????2213??2018-07-29?17:49??《Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)》源數(shù)據(jù)和代碼\Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)\第4章\01-任務(wù)程序\code\按日期統(tǒng)計(jì)及按日期排序（任務(wù)4.3與4.4）\MemberCount\bin\test\accessTimesSort$MyReducer.class
?????文件????????2185??2018-07-29?17:49??《Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)》源數(shù)據(jù)和代碼\Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)\第4章\01-任務(wù)程序\code\按日期統(tǒng)計(jì)及按日期排序（任務(wù)4.3與4.4）\MemberCount\bin\test\accessTimesSort.class
?????文件????????2215??2018-07-29?17:49??《Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)》源數(shù)據(jù)和代碼\Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)\第4章\01-任務(wù)程序\code\按日期統(tǒng)計(jì)及按日期排序（任務(wù)4.3與4.4）\MemberCount\bin\test\dailyAccessCount$MyMapper.class
?????文件????????2368??2018-07-29?17:49??《Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)》源數(shù)據(jù)和代碼\Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)\第4章\01-任務(wù)程序\code\按日期統(tǒng)計(jì)及按日期排序（任務(wù)4.3與4.4）\MemberCount\bin\test\dailyAccessCount$MyReducer.class
?????文件????????2192??2018-07-29?17:49??《Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)》源數(shù)據(jù)和代碼\Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)\第4章\01-任務(wù)程序\code\按日期統(tǒng)計(jì)及按日期排序（任務(wù)4.3與4.4）\MemberCount\bin\test\dailyAccessCount.class
?????文件????????2025??2018-07-29?17:49??《Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)》源數(shù)據(jù)和代碼\Hadoop大數(shù)據(jù)開(kāi)發(fā)基礎(chǔ)\第4章\01-任務(wù)程序\code\按日期統(tǒng)計(jì)及按日期排序（任務(wù)4.3與4.4）\MemberCount\bin\test\dataDistinct$MyMapper.class
............此處省略199個(gè)文件信息