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

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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?

底部的按钮不能随着屏幕同步缩放

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class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

    <footer>
        <div class="end">
             <button class="stay">留言</button>
             <button class="coll">电话联系</button>
        </div>
    </footer>

.end{
    display:flex;
    justify-content:space-around; 
    position:fixed;
    bottom: 5px;
}
.stay {
    background-color: #ffffff;    
    color: #66cccc;
    padding: 8px 50px 8px 50px;
    margin: 0 5px 2px 12px;
    border-radius: 0.5rem;
    border-color: #66cccc;
}
.coll {
    background-color: #66cccc;    
    color: #ffffff;
    padding: 8px 48px 8px 48px;
    margin: 0  12px 2px 12px;
    border-radius: 0.5rem;
    border-color: #66cccc;
}

怎么让任务9中合作企业那一栏的文字和圆点同时触发hover效果？

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class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

<div class="jz">
                            <span class="circle-text">
                                <div class="circle"></div>
                                阿里巴巴
                            </span>
                            <span class="circle-text">
                                <div class="circle"></div>
                                腾讯视频
                            </span>
                            <span class="circle-text">
                                <div class="circle"></div>
                                北京葡萄藤
                            </span>

下拉框内设置option的文字居中问题

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居中

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

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.lie1 {
    position: fixed;
    top: 4.4rem;
    width: 100%;
}
.lie2 {
    display: flex;
}
.lie3 {
    display: flex;
    flex: auto;
    height: 4rem;
}

.lie4 {
    width: 100%;
    outline: none;
    text-align-last: center;
}
.lie5 {
    border: none;
}

 <div class="lie1">
        <div class="lie2">
            <div class="lie3">
                   
                <select class="lie4">
                    <option selected>所在地</option>
                    <option>北京</option>
                    <option>上海</option>
                    <option>深圳</option>
                </select>
            
            </div>
            <div class="lie3">
                
                <select class="lie4">
                    <option selected>食宿</option>
                    <option>米饭</option>
                    <option>面条</option>
                    <option>馒头</option>
                </select>
            
            </div>
            <div class="lie3">
                   
                <select class="lie4 lie5">
                    <option selected>病人情况</option>
                    <option>轻微</option>
                    <option>中等</option>
                    <option>重症</option>
                </select>
            
            </div>
        </div>
    </div>

轮播图能否不使用绝对定位

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轮播

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

.frame{
    box-sizing: border-box;
    position: fixed;
    overflow:hidden; 
    padding-bottom: 30%;
    min-width: 100%;
    .photos {  
        position: absolute;
        width: 100%;
        overflow: hidden;
        .roll { 
            float: left;
            width: 100%;
        }
        .boil {
            background: url(./images/Image.png) no-repeat;
            background-size:100% 100%;
        }
        .boil-one {
            animation: myfirst 10s ease  infinite normal;
        }
        .boil-tow {
            animation: myfirst 10s ease  infinite normal;
        }
        .boil-tir {
            animation: myfirst 10s ease  infinite normal;
        }
        @keyframes myfirst {
            30%,50% {margin-left: -100%;}
            55%,75% {margin-left: -200%;}
            80%,100% {margin-left: -300%;}
        }
    }    
}

怎么将公司的github和自己的github关联起来

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代码管理 git

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 图片

class="cursor-pointer"> 文本

PS 以及PSCC怎么快速切图

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PhotoShop

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

切图有什么工具

移动端与PC端适配

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媒体查询

class="cursor-pointer"> 详细描述

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class="cursor-pointer"> 代码

media only screen and (min-width: 401px){
    html {
        font-size: 25px !important;
    }
}
@media only screen and (min-width: 428px){
    html {
        font-size: 26.75px !important;
    }
}
@media only screen and (min-width: 481px){
    html {
        font-size: 30px !important;
    }
}
@media only screen and (min-width: 569px){
    html {
        font-size: 35px !important;
    }
}
@media only screen and (min-width: 641px){
    html {
        font-size: 40px !important;
    }
}

@media only screen and (min-width: 768px){
    html {
        font-size: 48px !important;
    }
}

@media only screen and (min-width: 1024px){
    html {
        font-size: 64px !important;
    }
}
@media only screen and (min-width: 1440px){
    html {
        font-size: 90px !important;
    }
}

文字遇到括号不换行

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class="cursor-pointer"> 详细描述

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!

间距，自适应

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九宫格

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>修真院(jnshu.com)</title>
<style>
div.ex
{
width: 80px;
height: 80px;
background-color: orange;
margin:5px;
float:left
}
div.fx
{
width: 80px;
height: 80px;
background-color: orange;
margin:5px;
float:left
}
.text_line
{
    clear:both;
    margin-bottom:0px;
}

</style>
</head>
<body>

<div class="ex"></div>
<div class="ex"></div>
<div class="ex"></div>
<h3 class="text_line"></h3>
<div class="fx" ></div>
<div class="fx" ></div>
<div class="fx" ></div>
<h3 class="text_line"></h3>
<div class="fx" ></div>
<div class="fx" ></div>
<div class="fx" ></div>
</body>
</html>