java解析txt文件返回文件内容

package com.xp;

import java.io.FileReader;

import java.util.ArrayList;

import java.util.List;

public class TestReadTxtFile {

 @SuppressWarnings("unchecked")

 public String[] readfile(String filepath) throws Exception {

  FileReader fr = new FileReader(filepath);

  // 将无法识别的字节赋值为'?'

  int c = 63;

  String errmessage = "文件编码不是GBK，不能解析";

  try {

   // 从文件中读取一个字符

   c = fr.read();

  } catch (Exception e) {

   try {

    fr.skip(1);

   } catch (Exception ex) {

    throw new Exception(errmessage, ex);

   }

   c = 63;

  }

  StringBuffer sb = new StringBuffer();

  List list = new ArrayList();

  while (c != -1) {

   // 遇到回车符时保存该行内容，刷新缓存

   if (c == 10) {

    list.add(sb.toString());

    sb = new StringBuffer();

    try {

     // 从文件中继续读取数据

     c = fr.read();

    } catch (Exception e) {

     try {

      fr.skip(1);

     } catch (Exception ex) {

      throw new Exception(errmessage, ex);

     }

     c = 63;

    }

    continue;

   }

   sb.append((char) c);

   try {

    // 从文件中继续读取数据

    c = fr.read();

   } catch (Exception e) {

    try {

     fr.skip(1);

    } catch (Exception ex) {

     throw new Exception(errmessage, ex);

    }

    c = 63;

   }

  }

  // 保存最后一行内容

  if (c == -1 && sb.length() > 0) {

   list.add(sb.toString());

  }

  fr.close();

  // 返回从文本文件中读取的内容

  Object[] obj = list.toArray();

  String[] objs = new String[obj.length];

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

   objs[i] = (String) obj[i];

  }

  return objs;

 }

 public static void main(String[] args) {

  TestReadTxtFile trt = new TestReadTxtFile();

  try {

   String[] line = trt.readfile("C:/TimCook.txt");

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

    System.out.print(line[i].toString());

   }

  } catch (Exception e) {

   e.printStackTrace();

  }

 }

}