java 读取文件方法

java 读取文件方法

StringBuffer ta = new StringBuffer(); 
try
   {
    BufferedReader br = new BufferedReader(new FileReader(file));
    while(true)
    {
     String str=br.readLine();
     if(str==null)
     {
      return;
     }
     ta.append(str+'\n');
    }
      }
      catch (Exception ex) {
      }