一、介绍
为了打发无聊的时间，小蓝开发了一款人机对战的猜硬币游戏，页面中一共有 9 个杯子，系统会随机挑选 3 个杯子在里面放入硬币，玩家通过输入含有杯子序号的字符串进行猜选，但是遇到了一些问题。
本题需要你帮助小蓝完成猜硬币游戏。
二、准备
开始答题前，需要先打开本题的项目代码文件夹，目录结构如下：
├── css
├── effect.gif
├── images
├── index.html
└── js
├── findCoin.js
└── index.js
其中：
css 是样式文件夹。
images 是图片文件夹。
index.html 是主页面。
js/index.js 是硬币渲染和动画逻辑。
js/findCoin.js 是需要补充代码的 js 文件。
effect.gif 是最终实现的效果图。
在浏览器中预览 index.html 页面效果如下：
三、目标
请在 js/findCoin.js 文件中补全 findNum 和 randomCoin 函数代码，最终实现猜硬币游戏。
具体需求如下：
- 页面加载后，系统会在 9 个杯子中随机挑选 3 个杯子生成硬币。
- 用户在文本框中输入任意字符串，点击确定按钮后，系统会找到字符串中含有 1-9 的数字，并根据数字打开对应的杯子。
完成后的效果见文件夹下面的 gif 图，图片名称为 effect.gif（提示：可以通过 VS Code 或者浏览器预览 gif 图片）。
四、代码
index.html
<!DOCTYPE html>
<html>
<head>
<title>猜硬币</title>
<meta charset="utf-8" />
<link href="./css/style.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="content">
<p id="gameText"></p>
<ul></ul>
<div class="killout">
<label for="killoutInput" style="color: #999">
说明：填入序号，填入你猜测有硬币的杯子，可以输入任意值，只要输入的值中包含
"1-9"，就会根据对应的数字打开杯子<br />
<input
id="killoutInput"
type="text"
placeholder="填写你需要查找的位置序号"
/>
</label>
</div>
<div class="btnbox">
<button class="btn">确定</button>
</div>
<p id="result"></p>
</div>
<script src="./js/findCoin.js"></script>
<script src="./js/index.js"></script>
</body>
</html>
js/index.js
// 初始化页面效果
let cardList;
let init = () => {
cardList = [];
// 根据随机数组生成硬币位置
let gendercarlist = () => {
let arr = randomCoin();
for (let index = 0; index < 9; index++) {
cardList.push({
id: index + 1,
category: `nomoney`,
name: "空",
});
}
for (let index = 0; index < arr.length; index++) {
const item = arr[index];
cardList[item - 1].category = "money";
cardList[item - 1].name = "硬币";
}
return cardList;
};
let content = document.querySelector("#content ul");
cardList = gendercarlist();
content.innerHTML = "";
for (let index = 0; index < cardList.length; index++) {
let oneCard = cardList[index];
content.innerHTML += `<li>
<a href="javascript:void(0)">
<div class="z">
<img class='cup' src="./images/cup.svg">
<sup>${index + 1}</sup>
</div>
${
oneCard.category == "money"
? `<img class='coin' src="./images/coin.svg">`
: ""
}
</a>
</li>`;
}
};
init();
let gameText = document.querySelector("#gameText");
let btnbox = document.querySelector(".btn");
let select_input = document.getElementById("killoutInput");
let ul = document.getElementsByTagName("ul")[0];
let flag = true;
// 点击确定按钮的逻辑
btnbox.addEventListener("click", function () {
flag = !flag;
if (flag) {
this.innerHTML = "确定";
select_input.value = "";
gameText.innerHTML = ``;
init();
} else {
this.innerHTML = "重置";
let select_values = select_input.value;
let res = findNum(select_values); // 找到输入值中 1-9 的数字
let result = cardList.filter((item) => res.includes(item.id));
let length = result.filter((item) => item.category == "money").length;
if (length) {
gameText.innerHTML = `恭喜你，找到了${length}个硬币`;
} else {
gameText.innerHTML = `很遗憾，没有找到硬币`;
}
// 打开杯子
annimateCard(select_values);
}
});
// 给选择的杯子添加动画
function annimateCard(select_values) {
let domz = document.querySelectorAll(".z");
let res = findNum(select_values);
for (let index = 0; index < domz.length; index++) {
if (res.includes(index + 1)) {
domz[index].classList.add("rotatey30");
}
}
}
js/findCoin.js
/**
* @param {*} input_values input 框中输入的值
* @returns Array 将输入的值中 1-9 组成一个数组
*/
// 将输入的值中 1-9 组成一个数组
function findNum(input_values) {
// TODO：待补充代码
}
// 将 1-9 中三个不重复的随机数放入数组中，并返回这个数组
let randomCoin = () => {
let randomNumArr = [];
// TODO：待补充代码
return randomNumArr;
};
// 请勿删除和修改下面代码
try {
module.exports = { randomCoin, findNum };
} catch (e) {}
css/style.css
html,
body,
div,
span,
applet,
object,
iframe,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
a,
abbr,
acronym,
address,
big,
cite,
code,
del,
dfn,
em,
font,
img,
ins,
kbd,
q,
s,
samp,
small,
strike,
strong,
sub,
sup,
tt,
var,
b,
u,
i,
center,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
legend {
margin: 0;
padding: 0;
font-size: 100%;
border: 0;
outline: 0;
background: transparent;
}
ol,
ul {
list-style: none;
}
:focus {
outline: 0;
}
#content {
padding-top: 40px;
}
#content ul {
margin: 0 auto;
width: 70%;
display: flex;
flex-wrap: wrap;
justify-content: center;
}
.btnbox {
width: 100%;
margin: 0 auto;
text-align: center;
}
#content ul li {
margin: 20px;
width: 8vw;
height: 8vw;
}
#content ul li:last-child {
margin-right: 0;
}
#content ul li a {
position: relative;
display: block;
width: 100%;
height: 100%;
perspective: 800px;
}
#content ul li a > div {
position: absolute;
left: 0;
height: 0;
width: 100%;
height: 100%;
color: #fff;
overflow: hidden;
transform-style: preserve-3d;
transition: 0.8s ease-in-out;
backface-visibility: hidden;
}
#content ul li a div:first-child {
display: flex;
justify-content: center;
transform: rotateY(0);
z-index: 2;
}
#content ul li a div:last-child {
position: relative;
display: block;
width: 100%;
height: 100%;
perspective: 800px;
}
#content ul li a > div {
width: 100%;
height: 100%;
color: #fff;
transition: 0.8s ease-in-out;
backface-visibility: hidden;
}
#content ul li a div:first-child {
display: flex;
justify-content: center;
z-index: 2;
}
#content ul li a div h1 {
text-align: center;
line-height: 90px;
font-size: 12px;
}
#content ul li a div img {
max-width: 100%;
}
.rotatey30 {
transform: translate(0, -15px) rotate(-30deg) !important;
}
.btn,
.btn-all {
margin-top: 60px;
display: inline-block;
color: #0099cc;
background: #2e7eee;
border-radius: 10px;
text-decoration: none;
text-transform: uppercase;
border: none;
color: white;
padding: 8px 16px;
text-align: center;
text-decoration: none;
display: inline-block;
font-size: 16px;
transition-duration: 0.4s;
cursor: pointer;
}
.cardnum {
position: absolute;
font-size: 12px;
left: 45%;
top: 10px;
}
#gameText,
#result {
text-align: center;
padding-bottom: 20px;
}
.killout {
text-align: center;
}
.killout input {
display: inline-block;
}
.z {
position: relative;
}
.z .cup,
.b .cup {
transform: rotate(180deg);
display: inline-block;
transition: all 1s ease-in-out;
}
.coin {
position: absolute;
width: 30px;
height: auto;
left: 50%;
bottom: 0;
z-index: -1;
}
sup {
text-align: center;
line-height: 20px;
width: 20px;
height: 20px;
position: absolute;
font-size: 12px;
z-index: 10000;
color: #fff;
left: 50%;
top: 50%;
margin-left: -5px;
margin-top: -10px;
border-radius: 50%;
}
#killoutInput {
width: 200px;
margin-top: 40px;
box-sizing: border-box;
font-variant: tabular-nums;
list-style: none;
position: relative;
display: inline-block;
padding: 4px 11px;
color: #000000d9;
font-size: 14px;
line-height: 1.5715;
background-color: #fff;
background-image: none;
border: 1px solid #d9d9d9;
border-radius: 2px;
transition: all 0.3s;
}
images/coin.svg
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images/cup.svg文章来源：https://www.toymoban.com/news/detail-477871.html
<svg t="1650856474827" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="3313" width="200" height="200"><path d="M757.76 215.04h184.32s81.92 15.4624 81.92 81.92v307.2s-1.35168 138.3424-184.32 184.32h-81.92v-40.96h81.92s112.13824-9.3184 143.36-143.36V307.2a58.95168 58.95168 0 0 0-61.44-51.2H757.76v-40.96z" p-id="3314"></path><path d="M0 92.16h757.76v737.28a102.4 102.4 0 0 1-102.4 102.4H102.4A102.4 102.4 0 0 1 0 829.44V92.16z" p-id="3315"></path><path d="M61.44 307.2m20.48 0l0 0q20.48 0 20.48 20.48l0 368.64q0 20.48-20.48 20.48l0 0q-20.48 0-20.48-20.48l0-368.64q0-20.48 20.48-20.48Z" fill="#EBBA50" p-id="3316"></path></svg>
五、完成
js/findCoin.js文章来源地址https://www.toymoban.com/news/detail-477871.html
/**
* @param {*} input_values input 框中输入的值
* @returns Array 将输入的值中 1-9 组成一个数组
*/
// 将输入的值中 1-9 组成一个数组
function findNum(input_values) {
// TODO：待补充代码
const reg = /\d/g
const nums = input_values.match(reg)
return Array.from(new Set(...nums))
}
// 将 1-9 中三个不重复的随机数放入数组中，并返回这个数组
let randomCoin = () => {
let randomNumArr = [];
// TODO：待补充代码
for(var i =0;i<3;i++){
randomNumArr.push(Math.floor(Math.random()*(9-1+1)+1))
}
return randomNumArr;
};
// 请勿删除和修改下面代码
try {
module.exports = { randomCoin, findNum };
} catch (e) {}
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