Java常用类型转换

InputStream  To  String

public String inputStream2String(InputStream in) throws IOException {
		StringBuffer out = new StringBuffer();
		byte[] b = new byte[1024];
		for (int n; (n = in.read(b)) != -1;) {
			out.append(new String(b, 0, n));
		}
		return out.toString();
}