public static String generateWithSign(){
		Date date = new Date();
		String cryptKey = getCryptKey(date);
		String str = DigestUtils.md5Short(generate()).concat(String.valueOf(date.getTime()));	
		return DES.encrypt(cryptKey, str).toLowerCase();
	}
public static String generateWithSign ( ) { Date date = new Date ( ) ; String cryptKey = getCryptKey ( date ) ; String str = DigestUtils . md5Short ( generate ( ) ) . concat ( String . valueOf ( date . getTime ( ) ) ) ; return DES . encrypt ( cryptKey , str ) . toLowerCase ( ) ; }
生成带签名信息的token
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