云计算第四次作业
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<title>微博发布</title>
<style>
* { margin: 0; padding: 0; }
ul { list-style: none; }
.w { width: 900px; margin: 0 auto; }
.controls textarea {
width: 878px; height: 100px; resize: none; border-radius: 10px;
outline: none; padding-left: 20px; padding-top: 10px; font-size: 18px;
}
.controls { overflow: hidden; }
.controls div { float: right; }
.controls div span { color: #666; }
.controls div .useCount { color: red; }
.controls div button {
width: 100px; outline: none; border: none; background: rgb(0, 132, 255);
height: 30px; cursor: pointer; color: #fff; font: bold 14px '宋体';
}
.controls div button:hover { background: rgb(0, 225, 255); }
.controls div button:disabled { background: rgba(0, 225, 255, 0.5); }
.contentList { margin-top: 50px; }
.contentList li { padding: 20px 0; border-bottom: 1px dashed #ccc; position: relative; }
.contentList li .info { position: relative; }
.contentList li .info span { position: absolute; top: 15px; left: 100px; font: bold 16px '宋体'; }
.contentList li .info p { position: absolute; top: 40px; left: 100px; color: #aaa; font-size: 12px; }
.contentList img { width: 80px; border-radius: 50%; }
.contentList li .content { padding-left: 100px; color: #666; word-break: break-all; }
.contentList li .the_del { position: absolute; right: 0; top: 0; font-size: 28px; cursor: pointer; }
</style>
</head>
<body>
<div class="w">
<div class="controls">
<img src="images\9.6\tip.png" alt="" /><br />
<textarea placeholder="说点什么吧..." id="srk" cols="30" rows="10" maxlength="200"></textarea>
<div>
<span class="useCount" id="sz">0</span>
<span>/</span>
<span>200</span>
<button id="fbBtn">发布</button>
</div>
</div>
<div class="contentList">
<ul id="liebiao"></ul>
</div>
</div>
<script>
let dataArr = [
{ uname: '司马懿', imgSrc: './images/9.5/01.jpg' },
{ uname: '女娲', imgSrc: './images/9.5/02.jpg' },
{ uname: '百里守约', imgSrc: './images/9.5/03.jpg' },
{ uname: '亚瑟', imgSrc: './images/9.5/04.jpg' },
{ uname: '虞姬', imgSrc: './images/9.5/05.jpg' },
{ uname: '张良', imgSrc: './images/9.5/06.jpg' },
{ uname: '安其拉', imgSrc: './images/9.5/07.jpg' },
{ uname: '李白', imgSrc: './images/9.5/08.jpg' },
{ uname: '阿珂', imgSrc: './images/9.5/09.jpg' },
{ uname: '墨子', imgSrc: './images/9.5/10.jpg' },
{ uname: '鲁班', imgSrc: './images/9.5/11.jpg' },
{ uname: '嬴政', imgSrc: './images/9.5/12.jpg' },
{ uname: '孙膑', imgSrc: './images/9.5/13.jpg' },
{ uname: '周瑜', imgSrc: './images/9.5/14.jpg' },
{ uname: '老夫子', imgSrc: './images/9.5/15.jpg' },
{ uname: '狄仁杰', imgSrc: './images/9.5/16.jpg' },
{ uname: '扁鹊', imgSrc: './images/9.5/17.jpg' },
{ uname: '马可波罗', imgSrc: './images/9.5/18.jpg' },
{ uname: '露娜', imgSrc: './images/9.5/19.jpg' },
{ uname: '孙悟空', imgSrc: './images/9.5/20.jpg' },
{ uname: '黄忠', imgSrc: './images/9.5/21.jpg' },
{ uname: '百里玄策', imgSrc: './images/9.5/22.jpg' },
]
var srk = document.getElementById('srk');
var sz = document.getElementById('sz');
var fbBtn = document.getElementById('fbBtn');
var lb = document.getElementById('liebiao');
fbBtn.disabled = true;
srk.oninput = function() {
var cd = srk.value.length;
sz.innerText = cd;
if (cd == 0) {
fbBtn.disabled = true;
} else {
fbBtn.disabled = false;
}
}
fbBtn.onclick = function() {
var nr = srk.value;
if (nr == '') {
return;
}
var sj = Math.floor(Math.random() * dataArr.length);
var ren = dataArr[sj];
var t = new Date();
var nian = t.getFullYear();
var yue = t.getMonth() + 1;
var ri = t.getDate();
var x = nian + '-' + yue + '-' + ri + ' ' + t.getHours() + ':' + t.getMinutes() + ':' + t.getSeconds();
var xinLi = "<li>" +
"<div class='info'>" +
"<img src='" + ren.imgSrc + "'>" +
"<span>" + ren.uname + "</span>" +
"<p>发布于 " + x + "</p>" +
"</div>" +
"<div class='content'>" + nr + "</div>" +
"<span class='the_del'>X</span>" +
"</li>";
lb.innerHTML = xinLi + lb.innerHTML;
srk.value = "";
sz.innerText = 0;
fbBtn.disabled = true;
var sc = document.getElementsByClassName('the_del');
for (var i = 0; i < sc.length; i++) {
sc[i].onclick = function() {
lb.removeChild(this.parentNode);
}
}
}
</script>
</body>
</html>
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