public class IOUtils

{

public static byte[] getByte(InputStream is) throws Exception { ByteArrayOutputStream bos = new ByteArrayOutputStream(); byte[] buffer = new byte[1024]; int len = 0; while ((len = is.read(buffer)) != -1) { bos.write(buffer); } return bos.toByteArray(); }

public static String getString(InputStream is) throws Exception

{ ByteArrayOutputStream bos = new ByteArrayOutputStream(); byte[] buffer = new byte[1024]; int len = 0; while ((len = is.read(buffer)) != -1) { bos.write(buffer); } return bos.toString().trim(); }

public static String read(String filename) throws Exception

{ FileInputStream fis = new FileInputStream(filename); ByteArrayOutputStream outStream = new ByteArrayOutputStream(); byte[] buffer = new byte[1024]; int len = 0; // 将内容读到buffer中，读到末尾为-1 while ((len = fis.read(buffer)) != -1) { // 本例子将每次读到字节数组(buffer变量)内容写到内存缓冲区中，起到保存每次内容的作用 outStream.write(buffer, 0, len); } byte[] data = outStream.toByteArray(); // 取内存中保存的数据 fis.close(); String result = new String(data, "UTF-8"); return result; } }

本文转自IT徐胖子的专栏博客51CTO博客，原文链接http://blog.51cto.com/woshixy/1316935如需转载请自行联系原作者

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