CSS实现表格无限轮播
<div className={styles.tableTh}>
<div className={styles.thItem} style={{ width: '40%' }}>报警名称</div>
<div className={styles.thItem} style={{ width: '35%' }}>开始时间</div>
<div className={styles.thItem} style={{ width: '25%' }}>状态</div>
</div>
<div className={styles.tableBody} ref={scrollRef}>
{alarmTableList.map((item, index) => {
return (
<div className={styles.bodyContent} key={index}>
<div style={{ width: '40%' }}>{item?.name}</div>
<div style={{ width: '35%' }}>{item?.time}</div>
<div style={{ width: '25%', color: item?.status === 0 ? '#12fd00' : '#f62222' }}>{item?.status === 0 ? '报警' : '正常'}</div>
</div>
);
})}
</div>
.tableTh {
width: 100%;
height: 36px;
line-height: 36px;
text-align: center;
background-color: #2e3646;
display: flex;
justify-content: flex-start;
.thItem {
font-weight: bold;
font-size: 16px;
letter-spacing: 1px;
color: #bae7ff;
&:first-child {
border-right: 1px solid #5a6477;
}
&:nth-child(2) {
border-right: 1px solid #5a6477;
}
}
}
.tableBody {
width: 100%;
height: 86%;
overflow: hidden;
text-align: center;
.bodyContent {
font-size: 18px;
display: flex;
justify-content: flex-start;
padding: 8px 0;
&:nth-child(even) {
background-color: #2e3646;
}
}
}
const scrollRef = useRef(null); // 用于表格滚动
const [scrollTop, setScrollTop] = useState(0);
const [alarmTableList, setAlarmTableList] = useState([]); // 表格数据
// 滚动动画的函数
const scrollAnimation = () => {
if (scrollRef.current) {
// 每次滚动的高度
const step = 1;
// 更新scrollTop的值
setScrollTop((prevScrollTop) => {
// 当滚动到内容底部时,重置滚动位置到顶部
if (prevScrollTop >= scrollRef.current.scrollHeight - scrollRef.current.clientHeight) {
return 0;
}
return prevScrollTop + step;
});
}
};
useEffect(() => {
const tableArr = [];
for (let i = 1; i <= 32; i++) {
let obj = {
name: i + '级报警',
time: '09:23',
status: i % 2 === 0 ? 1 : 0, // 0:报警
};
tableArr.push(obj);
}
setAlarmTableList(tableArr);
const intervalId = setInterval(scrollAnimation, 50); // 每50毫秒滚动一次
return () => {
clearInterval(intervalId); // 组件卸载时清除定时器
autofit.off();
};
}, []); // 当scrollTop变化时,重新设置滚动位置
useEffect(() => {
if (scrollRef.current) {
// 设置scrollRef的scrollTop属性来滚动内容
scrollRef.current.scrollTop = scrollTop;
}
}, [scrollTop]); // 当scrollTop变化时,重新设置滚动位置
原文地址:https://blog.csdn.net/weixin_44068262/article/details/140658682
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