public class ReadTest{
public static void main(String[] args){
DataInputStream din = null;
try{
//定義壹個輸入流，把當前文件夾下的a.txt裏的內容以GB2312字符集讀出
InputStreamReader is = new InputStreamReader(new FileInputStream("a.txt"),"GB2312");
String str1 = "";
String str2 = "";
//循環讀每壹個字符，並連接在壹個字符串str1上
int i =-1;
while ((i = is.read()) != -1)
{
char m = (char)i;
str2=str2.valueOf(m);
str1 = str1+str2;
}
//對字符串我還是給妳做了簡單的操作，妳可以根據自己的要求修改
str1 = str1.replaceAll("，","\n");//把所有逗號替換為 換行(標點為全角)
str1 = str1.replaceAll("。","\n");//把所有句號替換為 換行
System.out.println(str1); //打印輸出
}catch(FileNotFoundException e){//異常捕獲
e.printStackTrace();
}
catch(IOException e){
e.printStackTrace();
}
finally{//最終行為---關閉流~
try{
if (din != null){
din.close();
}
}catch(IOException e){
e.printStackTrace();
}
}
}
};