检索文件内容，并将含有要检索内容的文件及目录结构拷贝到指定目录上（源代码） _Web前端

检索文件内容，并将含有要检索内容的文件及目录结构拷贝到指定目录下（源代码）

在网上找了好半天都没有找到相关的小工具，最后没有办法了，自己动手写了一个，留作以后用。

package?com.duxiu.app;

import?java.io.BufferedInputStream;
import?java.io.BufferedOutputStream;
import?java.io.BufferedReader;
import?java.io.File;
import?java.io.FileInputStream;
import?java.io.FileOutputStream;
import?java.io.IOException;
import?java.io.InputStream;
import?java.io.InputStreamReader;
import?java.io.OutputStream;
import?java.nio.channels.FileChannel;
import?java.util.regex.Matcher;
import?java.util.regex.Pattern;

public?class?FileUtil?{

????private?String?fileName;//?要检索的文件名称，可以是正则表达式
????private?String?path;//?源文件（要检索的）路径
????private?String?copyToPath;//?检索后，要复制到目的路径
????private?String?fileEncode;//?要检索文件的编码
????private?String?searchContent;//?要检索文件的内容，可以是正则表达式

????public?FileUtil(String?fileName,?String?fileEncode,?String?searchContent,?String?path,?String?copyToPath)?{
????????this.fileName?=?fileName;
????????this.fileEncode?=?fileEncode;
????????this.path?=?path;
????????this.searchContent?=?searchContent;
????????if?(!copyToPath.endsWith("\\")?&&?!copyToPath.endsWith("/"))?{
????????????copyToPath?+=?"\\";
????????}
????????this.copyToPath?=?copyToPath;
????}

????public?void?DrawFiles()?{
????????File?file?=?new?File(path);
????????if?(!file.exists())?{
????????????return;
????????}

????????File[]?fileLists?=?file.listFiles();
????????searchFile(fileLists);
????}

????/**
?????*?递归检索文件
?????*?
?????*?@param?fileLists
?????*/
????protected?void?searchFile(File[]?fileLists)?{
????????if?(fileLists?==?null?||?fileLists.length?<?1)?{
????????????return;
????????}

????????for?(File?file?:?fileLists)?{
????????????if?(file.isDirectory())?{//?是目录，进行递归循环
????????????????File[]?files?=?file.listFiles();
????????????????searchFile(files);
????????????}

????????????if?(file.isFile())?{//?是文件，匹配要检索的文件名
????????????????String?fn?=?file.getName();
????????????????Pattern?pattern?=?Pattern.compile(fileName,?Pattern.CASE_INSENSITIVE);
????????????????Matcher?matcher?=?pattern.matcher(fn);
????????????????if?(matcher.find())?{
????????????????????if?(findFileContent(file))?{
????????????????????????String?srcPath?=?file.getAbsolutePath();
????????????????????????srcPath?=?srcPath.substring(srcPath.indexOf("\\")?+?1,?srcPath.lastIndexOf("\\")?+?1);
????????????????????????File?dstFile?=?new?File(copyToPath?+?srcPath);
????????????????????????if?(!dstFile.exists())?{
????????????????????????????dstFile.mkdirs();
????????????????????????}
????????????????????????dstFile?=?new?File(copyToPath?+?srcPath?+?file.getName());
????????????????????????copyFile2(file,?dstFile);
????????????????????}
????????????????}
????????????}
????????}
????}

????/**
?????*?检索文件内容
?????*?
?????*?@param?file
?????*?@return
?????*/
????protected?boolean?findFileContent(File?file)?{
????????boolean?isFind?=?false;
????????try?{
????????????FileInputStream?fileInput?=?new?FileInputStream(file);
????????????InputStreamReader?inputStrReader?=?new?InputStreamReader(fileInput,?fileEncode);
????????????BufferedReader?buffereReader?=?new?BufferedReader(inputStrReader);
????????????StringBuilder?sb?=?new?StringBuilder();
????????????String?line?=?"";
????????????while?((line?=?buffereReader.readLine())?!=?null)?{
????????????????sb.append(line).append("\r\n");
????????????}
????????????buffereReader.close();
????????????inputStrReader.close();
????????????fileInput.close();

????????????Pattern?pattern?=?Pattern.compile(searchContent,?Pattern.CASE_INSENSITIVE);
????????????Matcher?matcher?=?pattern.matcher(sb);
????????????if?(matcher.find())?{
????????????????isFind?=?true;
????????????}
????????}?catch?(Exception?e)?{
????????????System.out.println(file.getAbsolutePath()?+?"/"?+?file.getName()?+?"??read?error:"?+?e.getMessage());
????????}

????????return?isFind;
????}

????/**
?????*?拷贝文件
?????*?
?????*?@param?src
?????*?@param?dest
?????*/
????public?void?copyFile2(File?src,?File?dest)?{
????????try?{
????????????//?Create?channel?on?the?source
????????????FileChannel?srcChannel?=?new?FileInputStream(src).getChannel();

????????????//?Create?channel?on?the?destination
????????????FileChannel?dstChannel?=?new?FileOutputStream(dest).getChannel();

????????????//?Copy?file?contents?from?source?to?destination
????????????dstChannel.transferFrom(srcChannel,?0,?srcChannel.size());

????????????//?Close?the?channels
????????????srcChannel.close();
????????????dstChannel.close();
????????}?catch?(IOException?e)?{
????????????e.printStackTrace();
????????}

????}

????/**
?????*?对UTF-8编辑的文件拷贝有问题
?????*?
?????*?@param?src
?????*?@param?dst
?????*/
????@Deprecated
????public?void?copyFile(File?src,?File?dst)?{
????????int?BUFFER_SIZE?=?1024?*?2;
????????try?{
????????????InputStream?in?=?null;
????????????OutputStream?out?=?null;
????????????try?{
????????????????in?=?new?BufferedInputStream(new?FileInputStream(src),?BUFFER_SIZE);
????????????????out?=?new?BufferedOutputStream(new?FileOutputStream(dst),?BUFFER_SIZE);
????????????????byte[]?buffer?=?new?byte[BUFFER_SIZE];
????????????????while?(in.read(buffer)?>?0)?{
????????????????????out.write(buffer);
????????????????}
????????????}?finally?{
????????????????if?(null?!=?in)?{
????????????????????in.close();
????????????????}
????????????????if?(null?!=?out)?{
????????????????????out.close();
????????????????}
????????????}
????????}?catch?(Exception?e)?{
????????????e.printStackTrace();
????????}
????}

????public?String?getFileName()?{
????????return?fileName;
????}

????public?void?setFileName(String?fileName)?{
????????this.fileName?=?fileName;
????}

????public?String?getPath()?{
????????return?path;
????}

????public?void?setPath(String?path)?{
????????this.path?=?path;
????}

????public?String?getCopyToPath()?{
????????return?copyToPath;
????}

????public?void?setCopyToPath(String?copyToPath)?{
????????this.copyToPath?=?copyToPath;
????}

????public?static?void?main(String[]?args)?{
????????String?fileName?=?"index.jsp";
????????String?path?=?"F:\\project\\eclipse33workspace\\DuxiuAbo\\ROOT\\areas";
????????String?copyToPath?=?"D:\\simone";
????????String?fileEncode?=?"utf-8";
????????String?searchContent?=?"/javascript/area/inc.js";
????????FileUtil?fileUtil?=?new?FileUtil(fileName,?fileEncode,?searchContent,?path,?copyToPath);
????????fileUtil.DrawFiles();

????}
}

摘自：http://www.blogjava.net/wangxinsh55/archive/2009/11/11/301993.html