生成随机的验证码

生成随机的验证码

// 生成随机验证码&＃64;Testpublic void test11() {String source &＃61; "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";Random rand &＃61; new Random();StringBuilder flag &＃61; new StringBuilder("");for (int i &＃61; 0; i < 6; i&＃43;&＃43;) {flag.append(source.charAt(rand.nextInt(62)));}System.out.println(flag.toString());}