网站建设ppt舆情分析报告案例
目录
前言
特效
完整代码
总结
前言
情人节马上就要到了，为了帮助大家高效表白，下面再给大家带来了实用的HTML浪漫表白代码(附源码)+背景音乐，可用于520，情人节，生日，表白等场景，可直接使用。
特效
完整代码
html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>心心-样例图</title><link href="favicon.ico" rel="shortcut icon" class="icon-love" type="images/x-ico"><link rel="stylesheet" href="css/love.css"></head>
<body><div class="container" onselectstart="return false;" unselectable="on" style="-moz-user-select:none;"><div class="body_left"><img src="images/biubiubiu.gif" alt="" ondragstart='return false;'></div><div class="body_center love"><div class="block"><div class="div1"></div><div class="div2"></div><div class="div3"></div><div class="div4"></div></div></div></div><div class="footer"><div class="border"><div class="border-top"></div><div class="border-bottom"></div></div></div><script type="text/javascript" src="js/love.js"></script></body>
</html>css
* {margin: 0;padding: 0;border: 0;
}
.icon-love {width: 400px;
}
html, body {width: 100%;height: 100%;
}body {/*background-color: skyblue;*/overflow: hidden; /*隐藏超出的部分*/
}.container {width: 100%;height: 100%;position: relative;
}/*---------------------- body_left -------------------------*/
.body_left {width: 300px;height: 300px;left: 0;bottom: 110px;position: absolute;z-index: 98;}/*---------------------- body_left -------------------------*//*---------------------- body_center -------------------------*/
.container .love {width: 520px; /* 13 * 40 */height: 440px; /* 11 * 40 */left: 50%;top: 50%;position: absolute;margin: -260px 0 0 -220px;/*background-color: gray;*/
}.love .block {right: 0;position: absolute;visibility: hidden; /*未开始升空动画前隐藏*/background-color: yellow;
}.love .block div {width: 40px;height: 40px;position: absolute;background: url("../images/heart.png") no-repeat;background-size: contain;/*background-color: #c40908;*//*border: 1px solid silver;*/box-sizing: border-box;
}/*---------------------- body_center -------------------------*//*---------------------- footer -------------------------*/
@keyframes border {0% {width: 0;}5% {width: 5%;}10% {width: 10%;}15% {width: 15%;}20% {width: 20%;}25% {width: 25%;}30% {width: 30%;}35% {width: 35%;}40% {width: 40%;}45% {width: 45%;}50% {width: 50%;}55% {width: 55%;}60% {width: 60%;}65% {width: 65%;}70% {width: 70%;}75% {width: 75%;}80% {width: 80%;}85% {width: 85%;}90% {width: 90%;}95% {width: 95%;}100% {width: 100%;}}
.footer {bottom: 30px;position: relative;z-index: 99;
}
.footer .border .border-top {/*width: 0;*//*display: inline-block;*/border-top: 3px solid black;transform-origin: left center;-webkit-animation: border 312 linear;-o-animation: border 12s linear;animation: border 12s linear;animation-fill-mode : both;/*border-bottom: none;*/
}.footer .border .border-bottom {/*width: 0;*//*display: inline-block;*/float: right;border-top: 3px solid red;transform-origin: right center;-webkit-animation: border 7s linear 12s;-o-animation: border 7s linear 12s;animation: border 7s linear 12s;animation-fill-mode : both;/*border-bottom: none;*/
}.footer .copyright {width: 100%;height: 30px;position: absolute;bottom: -30px;text-align: center;/*background-color: gray;*/}.copyright div {width: 30%;line-height: 30px;display: inline-block;
}.copyright div span {color: dimgray;
}/*---------------------- footer -------------------------*/js
const blk_pitn = { //各小方块相对【自身中心】的位置 -- 【自身中心】确定为#div22的方块block1: [[0, 1], [0, 0], [-1, 0], [-1, -1]],block2: [[0, 1], [0, 0], [-1, 0], [0, -1]],block3: [[-1, 1], [0, 0], [-1, 0], [-1, -1]],block4: [[0, 1], [0, 0], [-1, 0], [-1, -1]], /* 1 */block5: [[-1, 1], [0, 0], [-1, 0], [0, -1]],block6: [[0, -1], [0, 0], [-1, 0], [1, -1]],block7: [[-1, -1], [0, 0], [-1, 0], [1, 0]],block8: [[-1, 1], [0, 0], [-1, 0], [-1, -1]], /* 3 */block9: [[0, -1], [0, 0], [-1, 0], [1, 0]],block10: [[-1, 1], [0, 0], [-1, 0], [1, 0]],block11: [[2, 0], [0, 0], [-1, 0], [1, 0]], /* — */block12: [[0, 1], [0, 0], [-1, 0], [0, -1]], /* 2 */block13: [[0, 1], [0, 0], [-1, 0], [-1, -1]], /* 1 */block14: [[1, 1], [0, 0], [-1, 0], [1, 0]],block15: [[1, -1], [0, 0], [-1, 0], [1, 0]],block16: [[-1, -1], [0, 0], [-1, 0], [1, 0]], /* 7 */block17: [[0, 1], [0, 0], [-1, 0], [0, -1]], /* 2 */block18: [[0, 1], [0, 0], [-1, 0], [-1, -1]], /* 1 */block19: [[0, -1], [0, 0], [-1, 0], [1, 0]], /* 9 */block20: [[1, -1], [0, 0], [-1, 0], [1, 0]],block21: [[0, 1], [0, 0], [-1, 0], [-1, -1]], /* 1 */block22: [[1, 1], [0, 0], [-1, 0], [1, 0]], /* 14 */block23: [[0, 2], [0, 0], [0, -1], [0, 1]] /* | */},offset_pitn = { //各方块block相对【爱心中心】的位置block1: [5, 3],block2: [5, 1],block3: [3, 4],block4: [3, 2],block5: [3, -1],block6: [2, 5],block7: [2, 1],block8: [1, -1],block9: [1, -3],block10: [1, 2],block11: [0, 3],block12: [0, 0], /* 【爱心中心】*/block13: [-1, -4],block14: [0, -2],block15: [-2, 4],block16: [-2, 2],block17: [-2, 0],block18: [-3, -2],block19: [-4, 0],block20: [-3, 5],block21: [-5, 3],block22: [-4, 1],block23: [-6, 1] /* 因动画需要移动一个方块，故y轴坐标-1*/};let blocks = document.getElementsByClassName("block"),block = blocks[0],love = document.getElementsByClassName("love")[0],timer = null,index = 0, //记录拼接爱心的动画步骤clone_block; //用于克隆方块//1.移动方块的【自身中心】到【爱心中心】
block.style.top = "50%";
block.style.left = "50%";
block.style.margin = "-20px 0 0 -20px";const block_left = parseFloat(window.getComputedStyle(block, null).left.slice(0, -2)), //【爱心中心】 左边距离父元素的距离block_top = parseFloat(window.getComputedStyle(block, null).top.slice(0, -2)); //【爱心中心】 顶部距离父元素的距离function Next() {if (++index >= 24) {clearInterval(timer);Rise();// alert("已经是最后一个了！");return;}block.style.visibility = "visible"; //升空动画前允许可见//2.移动方块到指定的位置-即是移动【自身中心】到目标位置block.style.left = block_left + 40 * offset_pitn["block" + index][0] + "px";block.style.top = block_top - 40 * offset_pitn["block" + index][1] + "px";for (let i = 0; i < block.children.length; i++) {// block.children[1].innerText = index; //编号便于调试block.children[i].style.left = blk_pitn["block" + index][i][0] * -40 + "px";/* -40 是因为逻辑坐标和浏览器的x，y轴方向不一样*/block.children[i].style.top = blk_pitn["block" + index][i][1] * -40 + "px";}//3.克隆方块—保存现在的位置/* 一共会克隆23个方块，加上原先的一个方块block，共24个方块，即多出原先的block方块*/clone_block = block.cloneNode(true);love.appendChild(clone_block);if (love.children.length >= 24) {blocks[blocks.length - 1].children[2].style.display = "none"; //去掉多余的小方块block.style.display = "none"; //隐藏多出的block方块}
}function Rise() {//4.爱心升高，多出的那个小方块开始掉落console.log("开始升空");let timer2 = null,distance = 0;/* 升高时，移动的距离*/const target = 120, /* 目标距离*/speed = 1;/*移动速度*/let love_top = parseFloat(window.getComputedStyle(love, null).top.slice(0, -2)); //爱心盒子距离屏幕顶部的距离timer2 = setInterval(() => {distance += speed;// console.log(distance);if (distance >= target) {clearInterval(timer2);console.log("升空完毕");}love.style.top = (love_top - distance) + "px";}, 22);}window.onload = function () {setTimeout(() => {timer = setInterval(() => {Next();}, 300);}, 12000); //gif图播放完毕所需时间为11.73s
};
图片
总结
css与js代码较多，便作了分离，大家导入html后，注意引入css和js
祝大家在情场顺风顺水
