io读取本地文本

package com.hooy.util;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStreamReader;

public class UrlRead {
       
          public static String readUrl(){
               try {    
                   String encoding = "utf-8"; // 字符编码(可解决中文乱码问题 )    
                   File file = new File("C:/Program Files/我的程序/url.txt");    
                   if (file.isFile() && file.exists()) {    
                       InputStreamReader read = new InputStreamReader(    
                           new FileInputStream(file), encoding);    
                  BufferedReader bufferedReader = new BufferedReader(read);    
                  String lineTXT = null;    
                   while ((lineTXT = bufferedReader.readLine()) != null) { 
                       return lineTXT.toString().trim();
//                       System.out.println(lineTXT.toString().trim());    
                    }    
                   read.close();    
                    }else{    
                    System.out.println("找不到指定的文件！");    
                   }    
              } catch (Exception e) {    
                   System.out.println("读取文件内容操作出错");    
                e.printStackTrace();    
            }
            return null;    
            }    
        }