public static String getRandomNickname() {
String val ="";
Random random =new Random();
for (int i =0; i <8; i++) {
// 输出字母还是数字
String charOrNum = random.nextInt(2) %2 ==0 ?"char" :"num";
// 字符串
if ("char".equalsIgnoreCase(charOrNum)) {
// 取得大写字母还是小写字母
int choice = random.nextInt(2) %2 ==0 ?65 :97;
val +=(char) (choice + random.nextInt(26));
} else if ("num".equalsIgnoreCase(charOrNum)) { // 数字
val += String.valueOf(random.nextInt(10));
}
}
return val;
}
