//?sha1加密算法
	public?static?String?SHA1(String?decript)?{
		try?{
			MessageDigest?digest?=?java.security.MessageDigest
					.getInstance("SHA-1");
			digest.update(decript.getBytes());
			byte?messageDigest[]?=?digest.digest();
			//?Create?Hex?String
			StringBuffer?hexString?=?new?StringBuffer();
			//?字節(jié)數(shù)組轉(zhuǎn)換為?十六進(jìn)制?數(shù)
			for?(int?i?=?0;?i?<?messageDigest.length;?i++)?{
				String?shaHex?=?Integer.toHexString(messageDigest[i]?&?0xFF);
				if?(shaHex.length()?<?2)?{
					hexString.append(0);
				}
				hexString.append(shaHex);
			}
			return?hexString.toString();

		}?catch?(NoSuchAlgorithmException?e)?{
			e.printStackTrace();
		}
		return?"";
	}