把文件中文字符替换为英文字符.

[luozhangwen]

package com.lzw;

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;
import java.util.Map;

public class CharReplaceProcess
{
    public static CharReplaceProcess INSTANCE = new CharReplaceProcess();

    private Map<String, String> map = new HashMap<String, String>();


    public Map<String, String> getReplaceChar()
    {
        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("—", "-");
        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");
        return map;
    }


    public  void replaceProcess(String srcFilePath, String descFilePath)
    {
        BufferedReader br  = null;
        BufferedWriter bw = null;
        try
        {
            File srcFile = new File(srcFilePath);
            File descFile = new File(descFilePath);
            br = new BufferedReader(new FileReader(srcFile));
            bw = new BufferedWriter(new FileWriter(descFile));
            
            String line = null;
            while((line = br.readLine()) != null)
            {
                String replaceLine = this.replace(line);
                bw.write(replaceLine);
                bw.newLine();
            }
        }
        catch (IOException e)
        {
            e.printStackTrace();
        }
        finally{
            try
            {
                bw.close();
                br.close();
            }
            catch (IOException e)
            {
                e.printStackTrace();
            }
        }
        
    }

    private String replace(String line)
    {
        Map<String, String> map = new HashMap<String, String>();
        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;
    }
}

[luozhangwen]

上边有点问题. 以下更正

package com.lzw;

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;
import java.util.Map;

public class CharReplaceProcess
{
    public static CharReplaceProcess INSTANCE = new CharReplaceProcess();

    private Map<String, String> map = new HashMap<String, String>();

    public static void main(String[] args)
    {
        CharReplaceProcess.INSTANCE.replaceProcess("D:book.txt", "D:BOOK-desc.txt");
    }
    public Map<String, String> getReplaceCharsMap()
    {
        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("—", "-");
        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");
        return map;
    }


    public  void replaceProcess(String srcFilePath, String descFilePath)
    {
        BufferedReader br  = null;
        BufferedWriter bw = null;
        try
        {
            File srcFile = new File(srcFilePath);
            File descFile = new File(descFilePath);
            br = new BufferedReader(new FileReader(srcFile));
            bw = new BufferedWriter(new FileWriter(descFile));
            
            String line = null;
            while((line = br.readLine()) != null)
            {
                String replaceLine = this.replace(line);
                bw.write(replaceLine);
                bw.newLine();
            }
        }
        catch (IOException e)
        {
            e.printStackTrace();
        }
        finally{
            try
            {
                bw.close();
                br.close();
            }
            catch (IOException e)
            {
                e.printStackTrace();
            }
        }
        
    }

    private String replace(String line)
    {
        Map<String, String> map = this.getReplaceCharsMap();
        
        int length = line.length();
        for (int i = 0; i < length; i++)
        {
            String charat = line.substring(i, i + 1);
            if (map.containsKey(charat))
            {
                line = line.replace(charat, (String) map.get(charat));
            }
        }

        return line;
    }
}

[GOODlivelife]

每天接分努力升星星！

[luozhangwen]

package test.InputStream;

import java.io.BufferedInputStream;
import java.io.FileInputStream;
import java.io.IOException;

public class TestBufferedInputStream
{

    public static void main(String[] args)
    {
        String str = readTxtByByteStream("D:/demo/T.txt");
        System.out.println(str);
    }



    /**
     *  使用字节流读中文,不支持UTF-8
     * @param filePath
     * @return
     */
    public static String readTxtByByteStream(String filePath)
    {
        try
        {
            BufferedInputStream bis = new BufferedInputStream(new FileInputStream(filePath));

            int prePart = -1;
            boolean nextPart = false;
            int len = -1;

            StringBuffer sb = new StringBuffer(500);
            while ((len = bis.read()) != -1)
            {

                //请复制这个符号"–" 与 "-"不一样
                if (nextPart == true || (128 <= len && len <= 256))
                {
                    if (nextPart == false)
                    {
                        nextPart = true;
                    }
                    else
                    {
                        nextPart = false;
                        byte[] data = new byte[] { (byte) prePart, (byte) len };

                        sb.append(new String(data));
                    }
                }
                else
                {
                    sb.append(new String(String.valueOf((char) len)));
                }
                prePart = len;
            }
            bis.close(); //close the stream must in finaly !
            return sb.toString();
        }
        catch (IOException e)
        {
            e.printStackTrace();
        }
        return null;
    }
}