InputStream流转换成String字符串-蒲公英云

InputStream流转换成String字符串

红太狼 2022-12-21 03:22 259阅读 0赞

public class StreamUtils { 
    private static int _buffer_size = 1024;
    /** * InputStream流转换成String字符串 * @param inStream InputStream流 * @param encoding 编码格式 * @return String字符串 */
    public static String inputStream2String(InputStream inStream, String encoding){ 
        String result = null;
        ByteArrayOutputStream outStream = null;
        try { 
            if(inStream != null){ 
                outStream = new ByteArrayOutputStream();
                byte[] tempBytes = new byte[_buffer_size];
                int count = -1;
                while((count = inStream.read(tempBytes, 0, _buffer_size)) != -1){ 
                    outStream.write(tempBytes, 0, count);
                }
                tempBytes = null;
                outStream.flush();
                result = new String(outStream.toByteArray(), encoding);
                outStream.close();
            }
        } catch (Exception e) { 
            result = null;
        } finally { 
            try { 
                if(inStream != null) { 
                    inStream.close();
                    inStream = null;
                }
                if(outStream != null) { 
                    outStream.close();
                    outStream = null;
                }
            } catch (IOException e) { 
                e.printStackTrace();
            }
        }
        return result;
    }
}