在GWT的客户端生成随机代码 [英] Generate random codes in Client-Side of GWT
问题描述
我已经创建了一个java gwt应用程序,我想从客户端验证用户的电子邮件地址,有没有办法在客户端生成随机的5个字符的代码?
为什么不用 Java Math.random()。您可以简单地获取通过它。
以下是生成随机数的有用公式 b
$ b
(int )(Math.random()*(max - min)+ min)
数字如... ...
pre $ 字符串randomCodes = String.valueOf((int)(Math.random()*(99999 - 1)+ 1)); (randomCodes.length()<5){
randomCodes =0+ randomCodes;
。
}
I have created a java gwt application in which I want to verify user's email address from client side, is there any way to generate random 5 character code on client side?
Any sort of help will be appreciated.
Why don't you test with Java Math.random() .You can simply get by it.
Here is useful formula for generating random numbers
(int)(Math.random() * (max - min) + min)
So , you can generate 5 random numbers as like...
String randomCodes = String.valueOf((int) (Math.random() * (99999 - 1) + 1));
while (randomCodes.length() < 5) {
randomCodes = "0" + randomCodes;
}
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