<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%><% String basePath = request.getScheme() + "://" + reque
<!DOCTYPE html><html> <head> <meta charset="UTF-8"> <title></title> <script> var images = ["../img/001.jpg","../img/002.
<script> // 获取一个[0,1) 的随机数 var randomNum = Math.random() document.write(randomNum) //获取一个固定的4位数 document.write("<br />") var checkCode = randomNum*9000 checkCode +=100
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