Contents

• 随机数

随机数

 1 private static final String SYMBOLS = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
 2
 3    private static final Random RANDOM = new SecureRandom();
 4
 5 /**
 6     * 获取随机字符串 Nonce Str
 7     *
 8     * @return String 随机字符串
 9     */
10    public static String generateNonceStr() {
11        char[] nonceChars = new char[32];
12        for (int index = 0; index < nonceChars.length; ++index) {
13            nonceChars[index] = SYMBOLS.charAt(RANDOM.nextInt(SYMBOLS.length()));
14        }
15        return new String(nonceChars);
16    }
17
18