import java.io.UnsupportedEncodingException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

public class Jiami {
	private static String jiami=null;
	public static String jiami(String str) throws UnsupportedEncodingException {
		MessageDigest md;
		try {
			// 固定加密演算法
			md = MessageDigest.getInstance("MD5");
			// 獲取加密後的陣列
			byte[] b = md.digest(str.getBytes("utf-8"));
			// 進行BASE64編碼
			sun.misc.BASE64Encoder base64Encoder = new sun.misc.BASE64Encoder();
			// 將加密後的陣列進行base64編碼，轉換成對應的字串
			jiami = base64Encoder.encode(b);
		} catch (NoSuchAlgorithmException e) {
			e.printStackTrace();
		}
		return jiami;
	}
}