【在任务二的时候，在页面的人数输入完成然后分配下去以后，跳转到下个页面如何去识别 _js随机数】

在任务二的时候，在页面的人数输入完成然后分配下去以后，跳转到下个页面如何去识别

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js随机数

详细描述

截图

代码

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <link rel="stylesheet" type="text/css" href="./js2-2.css">
   
</head>

<body>

    <!-- 头部部分  -->
    <header>
        <a href="./../js2-1/js2-1.html" class="return"></a>
    </header>
    <main>
        <!-- 玩家配比部分 -->
        <h2>玩家配比</h2>
        <!-- 几个人数 -->
        <div class="number">
            <Div class="box1">
                <Div class="werwolf">
                </Div>
                <p id="killer">杀手<span></span>人</p>
            </Div>
            <Div class="box2">
                <div class="civilian"></div>
                <p id="people">平民<span></span>人</p>
            </Div>
        </div>
        <!-- 玩家数量 -->
        <div class="quantity">
            <span>请输入玩家数量</span>
                <input type="text" name="name" id="value" placeholder="" maxlength="2">
            <span>玩家数量为4-18</span>                     
        </div>
    </main>
    <button type="button" value="去发牌" onclick="huoqu()">去发牌</button>
    <script  src="./js2-2.js"></script>
</body>
</html>
/* 全局字体样式设置 */
html{
    font-size: 62.5%;
}

body{
    margin: 0;
    padding: 0;
    list-style-type: none;
    font-size: 1.6rem;
    background-color: #F0F0F0;
}
h1,h2,h3,h4,h5,h6{
    margin: 0;
    padding: 0;
}
header{
    display: flex;
    align-items: center;
    background-color: #29BDE0;
    width: 100%;
    height: 4.25rem;
}
.return{
    display: inline-block;
    width: 17px;
    height: 17px;
    border: 3px solid white;
    border-right: 0;
    border-bottom: 0;
    margin-left: 5%;
    transform: rotate(-45deg);
}
main h2{
    height: 3.3rem;
    width: 90%;
    margin: auto;
    margin-top: .4rem;
    text-align: center;
    line-height: 3.1rem;
    background-color: white;
    box-shadow: 0px 3px 13px #888888;
}
.number{
    width: 90%;
    background-color: white;
    height: 30rem;
    margin: auto;
    margin-top: .5rem;
    box-shadow: 0px 3px 13px #888888;

}
.box1{
    display: inline-flex;
    align-items: center;  
    width: 40%;
    margin-left: 2rem;
    margin-top: 1rem;
}
.box2{
    display: inline-flex;
    align-items: center;
     width:41%;
}
.werwolf{
    display: inline-block;
	width: 40px;
    height: 36px;
    border-radius: 50%;
    background: url(./css_sprites.png) no-repeat 90% 19.608%;
}
.civilian{
    display: inline-block;
    width: 60px;
	height: 51px;;
    background: url(./css_sprites.png) no-repeat 12.5% 50%;
    border-radius: 50%;
    zoom: .7;
}
input{
    width: 16px;
    background-color: #F0F0F0;
    border: 0;
    margin-left: 10px;
    text-align: center;
    color: orange;
}
.quantity{
    height: 4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: white;
    margin-top: .5rem;
    width: 90%;
    margin-left: 5%;
    box-shadow: 0px 3px 13px #888888;
}
input+span{
    display: inline-block;
    font-size: 12px;
    margin-left: 11px;
    color: orange;
}
button{
    display: flex;
    align-items: center;
    justify-content: center;
    width: 90%;
    height: 4rem;
    background-color: #FAB344;
    margin-left: 5%;
    margin-top: 4rem;
    margin-bottom: 2.9rem;
    border: 0;
    outline: none;
     color: white;
    font-size: 2rem;
}
// 获取inout的值
var G = document.getElementById('value');

function huoqu() {
    if (G.value < 4 || G.value > 18) {
        alert("请输入正确的玩家数量");
    } else {
        console.log(1);
        location.href = "./../js2-3/js2-3.html"
    }
}
// 获取杀手玩家DOM
var K = document.getElementById("killer");
var P = document.getElementById("people");

// 实时监听输入的值
G.oninput = function () {
    console.log(G)

    var killerNumber;
    var peopleNumber;

    // 分配杀人平民人数
    if (G.value < 4 || G.value > 18) {
        K.innerHTML = '杀手人'
        P.innerHTML = '平民人'
    } else if (G.value == 15 || G.value == 18) {
        killerNumber = Math.floor(G.value / 3 - 1)
        peopleNumber = G.value - killerNumber;

        K.innerHTML = '杀手' + killerNumber + '人'
        P.innerHTML = '平民人' + peopleNumber + '人'

    } else if (G.value > 4 || G.value < 18) {
        killerNumber = Math.floor(G.value / 3)
        peopleNumber = G.value - killerNumber;
        K.innerHTML = '杀手' + killerNumber + '人'
        P.innerHTML = '平民人' + peopleNumber + '人'
    }

}
// 禁止输入汉字
G.onkeyup = function () {
    if (!/^\d+$/.test(this.value)) {
        alert('禁止输入汉字');
        this.value = '';
    }
}
// 只能输入数字
G.onkeyup = function () {
    if (/[^\d]/g.test(this.value)) {
        alert('只能整数');
        this.value = '';
    }
}

编辑于2024-05-13

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[上海|荣耀师兄]JS-周能
1

这里的话可以通过取余数判断，整数和小数判断，奇偶的判断，隐藏和显现两张图片的来回切换，和显示玩家的身份，逻辑的话看似比较复杂，捋顺了就明白这个道理了，就是通过这几种方法或者其他方法来判断就可以了

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编辑于2019-06-22

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