package?com.diydyq.util;

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.InputStream;
import?java.io.InputStreamReader;
import?java.io.OutputStreamWriter;

public?class?FileStream
{
	public?static?BufferedReader?readFile（String?filename）?throws?FileNotFoundException
	{
		return?readFile（new?File（filename））;
	}
	
	public?static?BufferedReader?readFile（File?file）?throws?FileNotFoundException
	{
		BufferedReader?br?=?null;
		
		if（!file.exists（））
		{
			InputStream?is?=?FileStream.class.getResourceAsStream（“/“+file.getName（））;
			br?=?new?BufferedReader（new?InputStreamReader（is））;
		}
		else
		{
			br?=?new?BufferedReader（new?InputStreamReader（new?FileInputStream（file）））;
		}
		return?br;
	}
	
	public?static?BufferedWriter?writeFile（String?filename?boolean?delIfExists）
	{
		File?file?=?new?File（filename）;
		if（delIfExists）	
			file.delete（）;
		
		BufferedWriter?bw?=?null;
		try
		{
			bw?=?new?BufferedWriter（new?OutputStreamWriter（new?FileOutputStream（file）））;
		}?catch?（FileNotFoundException?e）
		{
			e.printStackTrace（）;
		}
		
		return?bw;
	}

	public?static?BufferedWriter?writeFile（File?file）?throws?Exception
	{
		BufferedWriter?bw?=?new?BufferedWriter（new?OutputStreamWriter（new?FileOutputStream（file）））;
		
		return?bw;
	}
	
	public?static?String?getContentLine（String?filename?int?fromStartLine）?throws?Exception
	{
		BufferedReader?br?=?FileStream.readFile（filename）;
		
		StringBuilder?sb?=?new?StringBuilder（）;
		
		int?lineNumber?=?0;
		String?line?=?null;
		
		while（（line=br.readLine（））?!=?null）
		{
			lineNumber++;

			if（lineNumber?>=?fromStartLine）
			{
				sb.append（line）;
			}
		}
		
		br.close（）;
		
		return?sb.toString（）;
	}

}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2016-04-21?10:30??mxGraphDemo\
?????文件?????????540??2014-07-23?17:15??mxGraphDemo\.classpath
?????文件?????????856??2014-07-23?17:22??mxGraphDemo\.project
?????目錄???????????0??2016-04-21?10:30??mxGraphDemo\.settings\
?????文件?????????158??2012-05-03?16:15??mxGraphDemo\.settings\.jsdtscope
?????文件?????????395??2012-05-03?15:49??mxGraphDemo\.settings\org.eclipse.jdt.core.prefs
?????文件?????????450??2014-07-23?17:15??mxGraphDemo\.settings\org.eclipse.wst.common.component
?????文件?????????233??2012-05-03?16:15??mxGraphDemo\.settings\org.eclipse.wst.common.project.facet.core.xml
?????文件??????????49??2012-05-03?15:49??mxGraphDemo\.settings\org.eclipse.wst.jsdt.ui.superType.container
?????文件???????????6??2012-05-03?15:49??mxGraphDemo\.settings\org.eclipse.wst.jsdt.ui.superType.name
?????文件????????1030??2012-05-11?17:23??mxGraphDemo\.settings\org.eclipse.wst.validation.prefs
?????文件?????????263??2012-05-03?16:15??mxGraphDemo\.settings\org.eclipse.wst.xsl.core.prefs
?????目錄???????????0??2016-04-21?10:30??mxGraphDemo\WebContent\
?????目錄???????????0??2016-04-21?10:30??mxGraphDemo\WebContent\meta-INF\
?????文件??????????39??2011-11-07?11:10??mxGraphDemo\WebContent\meta-INF\MANIFEST.MF
?????目錄???????????0??2016-04-21?10:30??mxGraphDemo\WebContent\WEB-INF\
?????文件???????15999??2011-11-07?11:10??mxGraphDemo\WebContent\WEB-INF\c.tld
?????文件???????20270??2011-12-19?10:08??mxGraphDemo\WebContent\WEB-INF\fmt.tld
?????目錄???????????0??2016-04-21?10:30??mxGraphDemo\WebContent\WEB-INF\jsp\
?????目錄???????????0??2016-04-21?10:30??mxGraphDemo\WebContent\WEB-INF\jsp\mxgraph\
?????文件????????6251??2014-07-18?10:53??mxGraphDemo\WebContent\WEB-INF\jsp\mxgraph\algPage.jsp
?????目錄???????????0??2016-04-21?10:30??mxGraphDemo\WebContent\WEB-INF\lib\
?????文件??????227350??2013-04-26?15:28??mxGraphDemo\WebContent\WEB-INF\lib\ant-contrib.jar
?????文件???????12131??2013-04-26?15:28??mxGraphDemo\WebContent\WEB-INF\lib\ant-launcher.jar
?????文件?????1352331??2013-04-26?15:28??mxGraphDemo\WebContent\WEB-INF\lib\ant.jar
?????文件???????26439??2013-04-26?15:28??mxGraphDemo\WebContent\WEB-INF\lib\asm.jar
?????文件??????282338??2013-04-26?15:28??mxGraphDemo\WebContent\WEB-INF\lib\cglib.jar
?????目錄???????????0??2016-04-21?10:30??mxGraphDemo\WebContent\resources\
?????目錄???????????0??2016-04-21?10:30??mxGraphDemo\WebContent\resources\alg\
?????文件????????1253??2014-07-01?18:04??mxGraphDemo\WebContent\resources\alg\checkmark.gif
?????文件??????????67??2014-07-01?18:05??mxGraphDemo\WebContent\resources\alg\collapsed.gif
............此處省略2962個文件信息