java 写入文件方法

    技术2022-05-11  80

    /**   *@author :Haitor   *@since  :2007-01-31   *@descript:write someting  to  file   *@param String filename: file  name   *@param String msg : what you want to  write to file   *@param boolean i   :true or  false   *                    (write to end)  or (write to head)   **/  public static void writeToFile( String filename ,String msg,boolean i )  {   try {    File file = new File(filename);    if(!file.exists())    {        file.createNewFile();    }        if(file.isFile() && file.canRead() && file.canWrite())    {       FileWriter fw = new FileWriter(filename, i);       fw.write(msg);       fw.close();    }   }catch (Exception e) {            System.out.println(e.toString());         }  }  public static void writeToFile( String filename ,String msg )  {   try {    File file = new File(filename);    if(!file.exists())    {        file.createNewFile();    }        if(file.isFile() && file.canRead() && file.canWrite())    {       FileWriter fw = new FileWriter(filename, false);       fw.write(msg);       fw.close();    }   }catch (Exception e) {            System.out.println(e.toString());         }  }  

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