利用Lucene把文本的字体格式进行改动，然后输出到一个新的文件里

import java.io.BufferedReader;

import java.io.BufferedWriter;

import java.io.File;

import java.io.FileReader;

import java.io.FileWriter;

import java.io.IOException;

import java.util.HashMap;

public class FileRead {

public static String replace(String line){

//创建一个HashMap存储全角和半角字符之间的相应关系

HashMap map = new HashMap();

map.put("，", ",");

map.put("〈", "<");

map.put("〉", ">");

map.put("｜", "|");

map.put("《", "<");

map.put("》", ">");

map.put("［", "[");

map.put("］", "]");

map.put("＂", "\"");

map.put("：", ":");

map.put("﹑", ",");

map.put("（", "(");

map.put("）", ")");

map.put("【", "[");

map.put("】", "]");

map.put("－", "-");

map.put("￣", "~");

map.put("！", "!");

map.put("｀", "`");

map.put("１", "1");

map.put("２", "2");

map.put("３", "3");

map.put("４", "4");

map.put("５", "5");

map.put("６", "6");

map.put("７", "7");

map.put("８", "8");

map.put("９", "9");

int length = line.length();

for(int i = 0; i < length; i++){

String charat = line.substring(i, i + 1);

if(map.get(charat) != null){

line = line.replace(charat, (String)map.get(charat));

}

}

return line;

}

public static File charactoProcess(String string, String destFile){

try{

//创建一个输出流，用于写新文件

BufferedWriter writer = new BufferedWriter(new FileWriter(destFile));

//创建一个输入流。用于读取文件

BufferedReader reader = new BufferedReader(new FileReader(string));

String line = reader.readLine();

while(line != null){

//调用replace方法替换全部的全角字符

String newline = replace(line);

//将替换后的String写入新的文件

writer.write(newline);

//写入行分隔符

writer.newLine();

line = reader.readLine();

}

reader.close();

writer.close();

}catch(IOException e){

e.printStackTrace();

}

return new File(destFile);

}

public static void main(String[] args) {

// TODO Auto-generated method stub

FileRead b = new FileRead();

b.charactoProcess("E:\\Lucene项目\\钢铁是怎么样练成的.txt", "E:\\Lucene项目\\目标文件.txt");

}