java 逐行读取txt文本如何解决中文乱码

InputStreamReader isr; 
try { 
isr = new InputStreamReader(new FileInputStream(fileUrl), "utf-8"); 
BufferedReader read = new BufferedReader(isr); 
String s=null; 
List<String> list = new ArrayList<String>(); 
while((s=read.readLine())!=null) 
{ 
//System.out.println(s); 
if(s.trim().length()>1){ 
list.add(s.trim()); 
} 
} 

System.out.println("OK！"); 
} catch (UnsupportedEncodingException e) { 
// TODO Auto-generated catch block 
e.printStackTrace(); 
} catch (FileNotFoundException e) { 
// TODO Auto-generated catch block 
e.printStackTrace(); 
} catch (IOException e) { 
// TODO Auto-generated catch block 
e.printStackTrace();