读取txt文件内容

/**
  * 读取text文件内容
  * @param textsrc
  * @return
  * @throws IOException
  */
public String readFile(String textsrc) throws IOException{
  File myFile=new File(textsrc);
 
   if(!myFile.exists())
        {
             System.err.println("Can't Find " + textsrc);
         }
 
          BufferedReader in = null;
  try {
   in = new BufferedReader(new FileReader(myFile));
  } catch (FileNotFoundException e) {
   
   e.printStackTrace();
  }
          String str="";
          while ((str = in.readLine()) != null)
         {
           return str;

         }
          in.close();
  return str;
}  
 
}