CSS線條加載動(dòng)畫是一種常用于網(wǎng)頁設(shè)計(jì)的動(dòng)畫，它采用CSS技術(shù)實(shí)現(xiàn)，具有簡(jiǎn)單易操作、靈活性高、動(dòng)畫效果出眾等優(yōu)點(diǎn)，成為Web開發(fā)者的首選。

/*CSS代碼實(shí)現(xiàn)線條加載動(dòng)畫*/
.loader {
display: flex;
justify-content: center;
align-items: center;
width: 100%;
height: 100vh;
}
.line-wrapper {
display: flex;
justify-content: space-between;
align-items: center;
width: 60px;
height: 60px;
}
.line {
width: 10px;
height: 30px;
background-color: #000;
border-radius: 5px;
transform: scaleY(0.5);
animation: bounce 0.8s ease-in-out infinite;
}
.line:nth-of-type(2) {
animation-delay: 0.2s;
}
.line:nth-of-type(3) {
animation-delay: 0.4s;
}
@keyframes bounce {
0% {
transform: scaleY(0.5);
}
50% {
transform: scaleY(1);
}
100% {
transform: scaleY(0.5);
}
}

上述代碼實(shí)現(xiàn)了一個(gè)簡(jiǎn)單的線條加載動(dòng)畫，其中類名“l(fā)oader”為包含線條的容器，類名“l(fā)ine-wrapper”是線條容器，類名“l(fā)ine”代表線條。具體動(dòng)畫效果通過CSS關(guān)鍵幀動(dòng)畫實(shí)現(xiàn)。