读取流操作；

public static void main(String[] args) {
String data = "xgegeg,yes,这是一个InputStream的测试";
try {
InputStream input = new ByteArrayInputStream(data.getBytes());
BufferedReader reader = new BufferedReader(new InputStreamReader(input));
StringBuffer buffer = new StringBuffer();
String result = "";
while((result=reader.readLine()) != null) {
buffer.append(result);
}
System.out.println(buffer.toString());
} catch (Exception e) {
// TODO: handle exception
}
}