IT修真院·坑乎 | Java(后端),CSS(前端),JavaScript(前端),PM(产品经理),UI(交互设计),QA(测试),Android(安卓APP),iOS(苹果APP),OP(运维),Python(后端)日常在线问答学习平台

HashMap'类型的对象上找不到属性或字段'timestamp'

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1

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

org.springframework.expression.spel.SpelEvaluationException: EL1008E: Property or field 'timestamp' cannot be found on object of type 'java.util.HashMap' - maybe not public?

label标签内添加button标签，点击label范围默认点击button

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导航栏

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

<label for="nav" class="nav-btn">
                    <button>
                            <div></div>
                            <div></div>
                            <div></div>
                    </button>
                </label>

如何在任务八中实现gird布局

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管理工具

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 图片

class="cursor-pointer"> 文本

任务七的第二页是否可以使用css来画右上角的叉

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通用

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

.wire {
    margin-top: 2px;
    margin-left: -4px;
    width: 13px;
    border-bottom: 2px solid #ffffff;   
}

洗牌算法具体指的是什么？

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1

通用

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

function Shuffle(a) {
    var length = a.length;
    for(var i = length - 1, rand;i >= 0; i--){
        rand = Math.floor(Math.random()*(i+1))
        var p = a[i];
        a[i] = a[rand];
        a[rand] = p ;  
    }
}

关于按钮的hover和focus状态

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hover

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width,initial-scale=1.0,maximum-scale=1.0,minimum-scale=1.0,user-scalable=0">
	<script src="https://cdn.bootcss.com/jquery/2.1.1/jquery.js"></script>
	<link rel="stylesheet" href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.css">
    <script src="https://cdn.bootcss.com/bootstrap/3.3.7/js/bootstrap.js"></script>
    <link rel="stylesheet" href="./css/clearStyle.css">
	<title>demo</title>
	<style>
		nav.navbar { 
			min-height: 59px;
			background-color: #29b078;
		}
		button.navbar-toggle {
			margin-top: 10px;
			margin-bottom: 10px;
			border: none;
			background-color: #47D096;
		}
		.navbar-default .navbar-toggle:hover { background-color: #218C60; }
		.navbar-default .navbar-toggle:focus { background-color: #47D096; }
		.navbar-collapse {
			width: 100%;
			padding: 0;
			border: none;
		}
		.navbar-collapse ul.navbar-nav { margin: 0; }
		.navbar-collapse ul.navbar-nav li a {
			height: 40px;
			width: 100%;
			display: flex;
			color: #fff;
			font-size: 16px;
			border: none;
			background-color: #29b078;
		}
	</style>
</head>
<body>
	</header>
	<div class="navigate">
		<nav class="navbar navbar-default" role="navigation"> 
		    <div class="navbar-header">
		        <button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#menu">
		            <span class="sr-only">展开导航</span>
		            <img src="http://jns.img.bucket.ks3-cn-beijing.ksyun.com/skill/skill_html/images/menu.png"> 
		        </button>
		        <a class="navbar-brand" href="http://www.jnshu.com/"><div class="logo"></div></a>
		    </div>
		    <div class="collapse navbar-collapse" id="menu">
		        <ul class="nav navbar-nav">
		            <li class="active"><a href="#">首页</a></li>
		            <li><a href="#">职业</a></li>
		            <li><a href="#">推荐</a></li>
		            <li><a href="#">关于</a></li>
		        </ul>
		    </div>
		</nav>
	</div>
</body>
</html>

CSS实现手动轮播+自动轮播，但是焦点无法跟随图片

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轮播

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

<input type="radio" name="rdo" class="rdo" id="rdo1" checked>
    <input type="radio" name="rdo" class="rdo" id="rdo2">
    <input type="radio" name="rdo" class="rdo" id="rdo3">
    <input type="radio" name="rdo" class="rdo" id="rdo4">
    <input type="radio" name="rdo" class="rdo" id="rdo5">
    <div class="lunbo">
        <ul class="list li-float clearfix">
            <li class="item">
                <img src="http://jns.img.bucket.ks3-cn-beijing.ksyun.com/skill/1/d4ddb42c-5e07-4d86-809f-e08898aa800d.jpg">
            </li>
            <li class="item">
                <img src="http://jns.img.bucket.ks3-cn-beijing.ksyun.com/skill/1/bedeaa60-ae9b-4e50-93b2-2c4182ad8c70.jpg">
            </li>
            <li class="item">
                <img src="http://jns.img.bucket.ks3-cn-beijing.ksyun.com/skill/1/3a15425b-c947-4222-8558-0bf01cc36513.png">
            </li>
            <li class="item">
                <img src="http://jns.img.bucket.ks3-cn-beijing.ksyun.com/skill/1/0d9944f1-6aad-4894-b42e-72dadcfef058.png">
            </li>
            <li class="item">
                <img src="http://jns.img.bucket.ks3-cn-beijing.ksyun.com/skill/1/ddc121d2-b7ef-4d8e-812a-af9c6caef0d2.jpg">
            </li>
            <li class="item">
                <img src="http://jns.img.bucket.ks3-cn-beijing.ksyun.com/skill/1/d4ddb42c-5e07-4d86-809f-e08898aa800d.jpg">
            </li>
        </ul>
        <ul class="dots li-float">
            <li><label for="rdo1" class="btn1"></label></li>
            <li><label for="rdo2" class="btn2"></label></li>
            <li><label for="rdo3" class="btn3"></label></li>
            <li><label for="rdo4" class="btn4"></label></li>
            <li><label for="rdo5" class="btn5"></label></li>
        </ul>
    </div>

.rdo{
    width: 0;
    height: 0;
    position: fixed;
}
.lunbo{
position: relative;
width: 100%;
margin: 30px auto;
background-color: #5ac0ce;
}
.dots{
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 100;
}
.dots li label{
    display: block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: #fff;
    margin: 0 5px;
}


.lunbo{
    overflow: hidden;
}
.list{
    display: flex;
    flex-wrap: nowrap;
    font-size: 0;
    animation: move 10s ease;
    animation-iteration-count: infinite;
}
/*hover暂停*/
.list:hover {
    animation-play-state:paused;
    cursor:pointer;
}
.item{
    flex: none;
    width: 100%;
}
.item img{
    width: 100%;
}


/*按钮颜色*/
#rdo1:checked ~ .lunbo .btn1{
    background-color: #ace;
}
#rdo2:checked ~ .lunbo .btn2{
    background-color: #ace;
}
#rdo3:checked ~ .lunbo .btn3{
    background-color: #ace;
}
#rdo4:checked ~ .lunbo .btn4{
    background-color: #ace;
}
#rdo5:checked ~ .lunbo .btn5{
    background-color: #ace;
}

/* ------------- 动画效果 --------------*/
@keyframes move1 {
    0%{transform: translateX(0);}
    15%{transform: translateX(0);}
    20%{transform: translateX(-100%);}
    35%{transform: translateX(-100%);}
    40%{transform: translateX(-200%);}
    55%{transform: translateX(-200%);}
    60%{transform: translateX(-300%);}
    75%{transform: translateX(-300%);}
    80%{transform: translateX(-400%);}
    95%{transform: translateX(-400%);}
    100%{transform: translateX(-500%);}
}
@keyframes move2 {
    0%{transform: translateX(-100%);}
    15%{transform: translateX(-100%);}
    20%{transform: translateX(-200%);}
    35%{transform: translateX(-200%);}
    40%{transform: translateX(-300%);}
    55%{transform: translateX(-300%);}
    60%{transform: translateX(-400%);}
    75%{transform: translateX(-400%);}
    80%{transform: translateX(0);}
    95%{transform: translateX(0);}
    100%{transform: translateX(-100%);}
}
@keyframes move3 {
    0%{transform: translateX(-200%);}
    15%{transform: translateX(-200%);}
    20%{transform: translateX(-300%);}
    35%{transform: translateX(-300%);}
    40%{transform: translateX(-400%);}
    55%{transform: translateX(-400%);}
    60%{transform: translateX(0);}
    75%{transform: translateX(0);}
    80%{transform: translateX(-100%);}
    95%{transform: translateX(-100%);}
    100%{transform: translateX(-200%);}
}
@keyframes move4 {
    0%{transform: translateX(-300%);}
    15%{transform: translateX(-300%);}
    20%{transform: translateX(-400%);}
    35%{transform: translateX(-400%);}
    40%{transform: translateX(0);}
    55%{transform: translateX(0);}
    60%{transform: translateX(-100%);}
    75%{transform: translateX(-100%);}
    80%{transform: translateX(-200%);}
    95%{transform: translateX(-200%);}
    100%{transform: translateX(-300%);}
}
@keyframes move5 {
    0%{transform: translateX(-400%);}
    15%{transform: translateX(-400%);}
    20%{transform: translateX(0);}
    35%{transform: translateX(0);}
    40%{transform: translateX(-100%);}
    55%{transform: translateX(-100%);}
    60%{transform: translateX(-200%);}
    75%{transform: translateX(-200%);}
    80%{transform: translateX(-300%);}
    95%{transform: translateX(-300%);}
    100%{transform: translateX(-400%);}
}

/*修改动画名称*/
#rdo1:checked ~ .lunbo .list {
    animation-name:move1;
}

#rdo2:checked ~ .lunbo .list {
    animation-name:move2;
}

#rdo3:checked ~ .lunbo .list {
    animation-name:move3;
}
#rdo4:checked ~ .lunbo .list {
    animation-name:move4;
}
#rdo5:checked ~ .lunbo .list {
    animation-name:move5;
}
/*短暂地取消动画名称，模拟重启动画*/
#rdo1:active ~ .lunbo .list {
    -webkit-animation-name:none;
    transform: translateX(0);
}

#rdo2:active ~ .lunbo .list {
    -webkit-animation-name:none;
    transform: translateX(-800px);
}

#rdo3:active ~ .lunbo .list {
    -webkit-animation-name:none;
    transform: translateX(-1600px);
}
#rdo4:active ~ .lunbo .list {
    -webkit-animation-name:none;
    transform: translateX(-2400px);
}
#rdo5:active ~ .lunbo .list {
    -webkit-animation-name:none;
    transform: translateX(-3200px);
}

组件库规范

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框架

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

@mixin module-imgscale($width,$height,$margin,$image,$position,$scale) {
  width: $width;
  height: $height;
  margin: $margin;
  background-image: $image;
  background-position: $position;
  -webkit-transform: scale($scale);
  -moz-transform: scale($scale);
  -ms-transform: scale($scale);
  -o-transform: scale($scale);
  transform: scale($scale);
}

收缩分辨率的时候改变导航栏

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响应式

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

 <header>
        <div class="coze ">
            <div class="phone">客服热线：010-594-78634</div>
            <div class="telephony">
                <div class="chat"></div>
                <div class="chew"></div>
                <div class="the"></div>
            </div>
        </div>
        <div class="tag">
            <div class="jinengshu"> 技能树</div>
            <div class="guanyu">
                <a href="#" class="zhiye">首页</a>
                <a href="#" class="zhiye">职业</a>
                <a href="#" class="zhiye">推存</a>
                <a href="#" class="zhiye">关于</a>
            </div>
        </div>
        <div class="mark"></div>
    </header>
    <main>
        <div class="tally">
            <span>首页></span>
            <span class="business">合作企业</span>

为什么利用for循环遍历生成死亡信息时，会出现重复？

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class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

//结束游戏按钮，直接跳转到玩家配比页面
function over() {
    var gameOver = confirm("确认结束游戏吗？")
    if (gameOver == true) {
        sessionStorage.clear()
        window.location.href = '../html/player-ratio.html'
    }

}

var obj = JSON.parse(sessionStorage.getItem("obj"))
// var click = sessionStorage.getItem("click")
var deathObj = JSON.parse(sessionStorage.getItem("deathObj"))
var voteObj = JSON.parse(sessionStorage.getItem("voteObj"))
console.log(deathObj)
console.log(voteObj)
var day = sessionStorage.getItem('day');

for (i = 1; i <= day; i++) {
    $('.process').append('<button class="btnDay"></button><div class="flow"><div class="triangle"></div><p class="killing">杀手杀人</p><p class="deathKill"></p><p class="speaking">亡灵发表遗言</p><p class="discuss">玩家依次发言</p><p class="vote">全民投票</p><p class="deathVote"></p></div>')
    $('.btnDay').eq(i - 1).append('第' + i + '天');
    $('.flow').hide();
    $('.flow').eq(i - 1).show();
    // console.log(day)
    // console.log(i)
}
if (JSON.parse(sessionStorage.getItem('deathObj'))) {
    for (var i = 1; i <= day; i++) {
        $('.deathKill').eq(day - 1).append(deathObj[0].numb + "号被杀死，他的真实身份是" + deathObj[0].name)
    }
}
if (JSON.parse(sessionStorage.getItem('voteObj'))) {
    for (var i = 1; i <= day; i++) {
        $('.deathVote').eq(day - 1).append(voteObj[0].numb + "号被放逐，他的真实身份是" + voteObj[0].name)
    }
}


for (var i = 1; i < day; i++) {
    $('.killing').eq(i - 1).css("background-color", "gray")
    $('.speaking').eq(i - 1).css("background-color", "gray")
    $('.discuss').eq(i - 1).css("background-color", "gray")
    $('.vote').eq(i - 1).css("background-color", "gray")
}
$('.btnDay').click(function () {
    var dayClick = $('.btnDay').index(this)
    $('.flow').eq(dayClick).toggle()
})
if (JSON.parse(sessionStorage.getItem('kilClick'))) {
    kilClick = JSON.parse(sessionStorage.getItem('kilClick'))
} else {
    kilClick = 2
    // console.log(kilClick)
}
// console.log( JSON.parse(sessionStorage.getItem('kilClick')))
if (kilClick == 1) {
    for (var i = 0; i < day; i++) {
        $('.killing').eq(i).css("background-color", "gray")
    }
}
if (JSON.parse(sessionStorage.getItem('flow'))) {
    flow = JSON.parse(sessionStorage.getItem('flow'))
} else {
    flow = 0
}

$('.killing').eq(day - 1).click(function () {
    var killing = 1
    sessionStorage.setItem("killing", killing)
    if (flow == 0) {
        flow = 0
        sessionStorage.setItem('flow', flow)
        window.location.href = '../html/killing.html'
    } else {
        alert(' 请按顺序点击')
    }
})
$('.speaking').eq(day - 1).click(function () {
    if (JSON.parse(sessionStorage.getItem('flow')) == 1) {
        flow = 2
        sessionStorage.setItem('flow', flow)
        alert('请亡灵发表遗言')
        $('.speaking').css("background-color", "gray")
    } else {
        alert('请按顺序点击')
    }
})
$('.discuss').eq(day - 1).click(function () {
    if (JSON.parse(sessionStorage.getItem('flow')) == 2) {
        flow = 3
        sessionStorage.setItem('flow', flow)
        alert('请玩家依次发言')
        $('.discuss').css("background-color", "gray")
    } else {
        alert('请按顺序点击')
    }
})
$('.vote').eq(day - 1).click(function () {
    sessionStorage.removeItem('killing')
    if (JSON.parse(sessionStorage.getItem('flow')) == 3) {
        flow = 0
        sessionStorage.setItem('flow', flow)
        var vote = 1
        sessionStorage.setItem("vote", vote)
        sessionStorage.setItem("day", day)
        window.location.href = '../html/killing.html'
    } else {
        alert('请按顺序点击')
    }
})