public static String MD5(String plainText, String charset) throws Exception {
MessageDigest md = MessageDigest.getInstance("MD5");
md.update(plainText.getBytes(charset));
byte b[] = md.digest();
int i;
StringBuffer buf = new StringBuffer("");
for (int offset = 0; offset < b.length; offset++) {
i = b[offset];
if (i < 0)
i += 256;
if (i < 16)
buf.append("0");
buf.append(Integer.toHexString(i));
}
return buf.toString();
}
/**
* base64编码
*/
public static String base64(String str, String charset) throws Exception{
return (new sun.misc.BASE64Encoder()).encode(str.getBytes(charset));
}转成c#的。谢了。
