基于lucene的Swing全文索引构建于查询工具及源程序

package util; import java.io.BufferedInputStream; import java.io.BufferedOutputStream; import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.FileReader; import java.io.FileWriter; import java.io.IOException; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.util.Vector; /** * @author MJ * @description 1).复制文件夹或文件夹 2).读取文件成字符串 3).删除文件 */ public class FileUtil { public static void main(String args[]) throws IOException { String termSetFile="F:\\DOFT-data\\结果分析\\Term_Data\\CN\\CN_2.txt"; String srcDir="F:\\DOFT-data\\结果分析\\Term_Data\\CN\\CN_layer12"; String desDir="F:\\DOFT-data\\结果分析\\Term_Data\\CN\\CN_layer2"; copyFileAccordingSet(termSetFile, srcDir, desDir); } /** * 获取dir目录下的文件名称集合，去除了后缀名 * @param dir * @return */ public static Vector<String> getDirFileSet(String dir){ Vector<String> vFile=new Vector<String>(); File f=new File(dir); File childs[]=f.listFiles(); for(int i=0;i<childs.length;i++){ String fileName=childs[i].getName(); String fileNamePrefix=fileName; if(fileName.contains(".")) fileNamePrefix=fileName.substring(0, fileName.lastIndexOf(".")); vFile.add(fileNamePrefix); } return vFile; } // 复制文件 public static void copyFile(File sourceFile, File targetFile) throws IOException { BufferedInputStream inBuff = null; BufferedOutputStream outBuff = null; try { // 新建文件输入流并对它进行缓冲 inBuff = new BufferedInputStream(new FileInputStream(sourceFile)); // 新建文件输出流并对它进行缓冲 outBuff = new BufferedOutputStream(new FileOutputStream(targetFile)); // 缓冲数组 byte[] b = new byte[1024 * 5]; int len; while ((len = inBuff.read(b)) != -1) { outBuff.write(b, 0, len); } // 刷新此缓冲的输出流 outBuff.flush(); } finally { // 关闭流 if (inBuff != null) inBuff.close(); if (outBuff != null) outBuff.close(); } } // 复制文件夹 public static void copyDirectiory(String sourceDir, String targetDir) throws IOException { // 新建目标目录 (new File(targetDir)).mkdirs(); // 获取源文件夹当前下的文件或目录 File[] file = (new File(sourceDir)).listFiles(); for (int i = 0; i < file.length; i++) { if (file[i].isFile()) { // 源文件 File sourceFile = file[i]; // 目标文件 File targetFile = new File(new File(targetDir).getAbsolutePath() + File.separator + file[i].getName()); System.out.println("copy:"+(i+1)+"/"+file.length); copyFile(sourceFile, targetFile); } if (file[i].isDirectory()) { // 准备复制的源文件夹 String dir1 = sourceDir + "/" + file[i].getName(); // 准备复制的目标文件夹 String dir2 = targetDir + "/" + file[i].getName(); copyDirectiory(dir1, dir2); } } } /** * * @param srcFileName * @param destFileName * @param srcCoding * @param destCoding * @throws IOException */ public static void copyFile(File srcFileName, File destFileName, String srcCoding, String destCoding) throws IOException {// 把文件转换为GBK文件 BufferedReader br = null; BufferedWriter bw = null; try { br = new BufferedReader(new InputStreamReader(new FileInputStream(srcFileName), srcCoding)); bw = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(destFileName), destCoding)); char[] cbuf = new char[1024 * 5]; int len = cbuf.length; int off = 0; int ret = 0; while ((ret = br.read(cbuf, off, len)) > 0) { off += ret; len -= ret; } bw.write(cbuf, 0, off); bw.flush(); } finally { if (br != null) br.close(); if (bw != null) bw.close(); } } /** * * @param filepath * @throws IOException */ public static void del(String filepath) throws IOException { File f = new File(filepath);// 定义文件路径 if (f.exists() && f.isDirectory()) {// 判断是文件还是目录 if (f.listFiles().length == 0) {// 若目录下没有文件则直接删除 f.delete(); } else {// 若有则把文件放进数组，并判断是否有下级目录 File delFile[] = f.listFiles(); int i = f.listFiles().length; for (int j = 0; j < i; j++) { if (delFile[j].isDirectory()) { del(delFile[j].getAbsolutePath());// 递归调用del方法并取得子目录路径 } delFile[j].delete();// 删除文件 } } } else f.delete(); } /** * * @param filePath 要读取的文件路径 * @return 文件字符串 */ public static String readFile(String filePath){ FileReader fr; StringBuffer sb=new StringBuffer(); File f=new File(filePath); if(f.exists()){ try { fr = new FileReader(filePath); BufferedReader br=new BufferedReader(fr); String temp=br.readLine(); while(temp!=null){ sb=sb.append(temp); temp=br.readLine(); } br.close(); fr.close(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } String s=sb.toString(); sb.delete(0, sb.length()); return s; } /** * * @param filePath 要读取的文件路径 * @return 文件字符串，保留换行 */ public static String readOrignalFile(String filePath){ FileReader fr; StringBuffer sb=new StringBuffer(); File f=new File(filePath); if(f.exists()){ try { fr = new FileReader(filePath); BufferedReader br=new BufferedReader(fr); String temp=br.readLine(); while(temp!=null){ sb=sb.append(temp); temp=br.readLine(); if(temp!=null) temp+="\n"; } br.close(); fr.close(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } String s=sb.toString(); sb.delete(0, sb.length()); return s; } /** * 将s写到filePath里面 * @param s * @param filePath */ public static void writeStringFile(String s,String filePath){ try{ FileWriter fw=new FileWriter(filePath); BufferedWriter bw=new BufferedWriter(fw); bw.write(s); bw.close(); fw.close(); }catch(Exception e){ e.printStackTrace(); } } public static void appendStringFile(String s,String filePath){ try{ FileWriter fw=new FileWriter(filePath,true); BufferedWriter bw=new BufferedWriter(fw); bw.newLine(); bw.write(s); bw.close(); fw.close(); }catch(Exception e){ e.printStackTrace(); } } /** * 根据给定术语集合拷贝网页集合 * @param termSetFile * @param srcDir * @param desDir */ public static void copyFileAccordingSet(String termSetFile,String srcDir,String desDir){ File f=new File(desDir); f.