package?df;

import?java.io.BufferedReader;
import?java.io.BufferedWriter;
import?java.io.File;
import?java.io.FileInputStream;
import?java.io.FileNotFoundException;
import?java.io.FileOutputStream;
import?java.io.InputStreamReader;
import?java.io.OutputStreamWriter;
import?java.nio.CharBuffer;

public?class?dfb?{
	

	public?static?void?main（String[]?args）?{
		String[]?temp?=?new?String[1024];//所有詞語(yǔ)存的數(shù)組
		int?[]?w?;?//用來記錄每個(gè)詞的權(quán)重
		int?k=100;?//取權(quán)重最高的前K個(gè)feature
		String?termWeighFile=“termWeigh.txt“;??//用于保存全部《特征?，權(quán)重》對(duì)
		String?topFeatureFile=“Feature.txt“;??//保存前k個(gè)《特征?，權(quán)重》對(duì)
		String?termnonum=“Featrueno.txt“;//保存《特征》
		String?dirName=“D:\\2013fall\\數(shù)字內(nèi)容安全實(shí)驗(yàn)\\3\\訓(xùn)練集\\汽車\\“;??//存放所有語(yǔ)料集的目錄地址，如C：//
		//初始化w
	????w=new?int[1024];
		
	????//把語(yǔ)料集全部列出來
		File?dir?=?new?File（dirName）;??
		File[]?files?=?dir.listFiles（）;?
		//總結(jié)所有詞匯
		remwords（fileswtemp）;
		//刪除干擾詞
		for（int?a=0;a			if（IsStopWord（temp[a]））{
				delet（?tempa?w）;
				
			}
		}

		//輸出《特征，權(quán)重》對(duì)
		try?{
			FileOutputStream?fos?=?new?FileOutputStream（termWeighFile）;
			OutputStreamWriter?osw?=?new?OutputStreamWriter（fos）;
			BufferedWriter?bw?=?new?BufferedWriter（osw）;
			for（int?i=0;i				bw.write（temp[i]+“??“）;
				bw.write（String.valueOf（w[i]））;
				bw.newLine（）;
			}
			bw.close（）;
			osw.close（）;
			fos.close（）;
		}?catch?（Exception?e）?{
			System.out.println（e.getMessage（））;
		}?

		//選出特征詞
		top_feature（tempw）;
		//輸出權(quán)重在前面的特征及權(quán)重
		try?{
			FileOutputStream?fos?=?new?FileOutputStream（topFeatureFile）;
			OutputStreamWriter?osw?=?new?OutputStreamWriter（fos）;
			BufferedWriter?bw?=?new?BufferedWriter（osw）;
			for（int?i=0;i				bw.write（temp[i]+“??“）;
				bw.write（String.valueOf（w[i]））;
				bw.newLine（）;
			}
			bw.close（）;
			osw.close（）;
			fos.close（）;
		}?catch?（Exception?e）?{
			System.out.println（e.getMessage（））;
		}?
		try?{
			FileOutputStream?fos?=?new?FileOutputStream（termnonum）;
			OutputStreamWriter?osw?=?new?OutputStreamWriter（fos）;
			BufferedWriter?bw?=?new?BufferedWriter（osw）;
			for（int?i=0;i				bw.write（temp[i]）;
				bw.newLine（）;
			}
			bw.close（）;
			osw.close（）;
			fos.close（）;
		}?catch?（Exception?e）?{
			System.out.println（e.getMessage（））;
		}?
		
		?String[]?temp2?=?new?String[1024];//所有詞語(yǔ)存的數(shù)組
		int?[]?w2?;?//用來記錄每個(gè)詞的權(quán)重
		int?k2=100;?//取權(quán)重最高的前K個(gè)feature
		String?termWeighFile2=“termWeigh2.txt“;??//用于保存全部《特征?，權(quán)重》對(duì)
		String?topFeatureFile2=“Feature2.txt“;??//保存前k個(gè)《特征?，權(quán)重》對(duì)
		String?termnonum2=“Featrueno2.txt“;//保存《特征》
		String?dirName2=“D:\\2013fall\\數(shù)字內(nèi)容安全實(shí)驗(yàn)\\3\\訓(xùn)練集\\軍事\\“;??//存放所有語(yǔ)料集的目錄地址，如C：//
		//初始化w
	????w2=new?int[1024];
		
	????//把語(yǔ)料集全部列出來
		File?dir2?=?new?File（dirName2）;??
		File[]?files2?=?dir2.listFiles（）;?
		//總結(jié)所有詞匯
		remwords（files2w2temp2）;
		//刪除干擾詞
		for（int?a=0;a			if（IsStopWord（temp2[a]））{
				delet（?temp2a?w2）;
				
			}
		}

		//輸出《特征，權(quán)重》對(duì)
		try?{
			File

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2013-11-24?22:12??df\
?????文件?????????301??2013-11-20?17:22??df\.classpath
?????文件?????????378??2013-11-20?17:22??df\.project
?????目錄???????????0??2013-11-20?17:22??df\.settings\
?????文件?????????598??2013-11-20?17:22??df\.settings\org.eclipse.jdt.core.prefs
?????目錄???????????0??2013-11-20?17:22??df\bin\
?????目錄???????????0??2013-11-24?22:19??df\bin\df\
?????文件????????8126??2013-11-24?22:17??df\bin\df\dfb.class
?????文件?????????501??2013-11-24?22:17??df\Featrueno.txt
?????文件?????????659??2013-11-24?22:17??df\Featrueno2.txt
?????文件????????1034??2013-11-24?22:17??df\Feature.txt
?????文件????????1192??2013-11-24?22:17??df\Feature2.txt
?????目錄???????????0??2013-11-20?17:22??df\src\
?????目錄???????????0??2013-11-21?18:21??df\src\df\
?????文件????????7605??2013-11-24?22:17??df\src\df\dfb.java
?????文件???????10143??2013-11-24?22:17??df\termWeigh.txt
?????文件???????11368??2013-11-24?22:17??df\termWeigh2.txt