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Author SHA1 Message Date
qiuchenfan 590e3d18b2 Merge branch 'main' of http://113.45.67.59:3003/qiuchenfan/news 2025-11-19 16:30:52 +08:00
qiuchenfan 932b3925f3 11191630 2025-11-19 16:30:50 +08:00
5 changed files with 80 additions and 59 deletions

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@ -1,14 +1,13 @@
// src/components/CarouselDemo.tsx
import * as React from "react"; import * as React from "react";
import Autoplay from "embla-carousel-autoplay"; import Autoplay from "embla-carousel-autoplay";
import { Card, CardContent } from "@/ui/card";
import { import {
Carousel, Carousel,
CarouselContent, CarouselContent,
CarouselItem, CarouselItem,
CarouselNext, CarouselNext,
CarouselPrevious, CarouselPrevious,
type CarouselApi,
} from "@/ui/carousel"; } from "@/ui/carousel";
const imageUrls = [ const imageUrls = [
@ -18,64 +17,86 @@ const imageUrls = [
"/images/carousel-4.jpg", "/images/carousel-4.jpg",
"/images/carousel-5.jpg", "/images/carousel-5.jpg",
"/images/carousel-6.jpg", "/images/carousel-6.jpg",
"/images/carousel-7.jpg",
"/images/carousel-8.jpg",
"/images/carousel-9.jpg",
"/images/book1.png",
"/images/header.png",
"/images/jcdt.png",
]; ];
export function AutoCarouselDemo() { export function AutoCarouselDemo() {
const [api, setApi] = React.useState<CarouselApi>();
const [current, setCurrent] = React.useState(0);
const totalSlides = imageUrls.length;
React.useEffect(() => {
if (!api) return;
setCurrent(api.selectedScrollSnap());
api.on("select", () => {
setCurrent(api.selectedScrollSnap());
});
}, [api]);
const getScaleByDistance = (index: number, current: number, total: number): number => {
const directDist = Math.abs(index - current);
const wrapDist = total - directDist;
const minDist = Math.min(directDist, wrapDist);
return Math.max(0.5, 1.4 - minDist * 0.15);
};
return ( return (
<div className="relative w-full mx-auto overflow-hidden"> // 最外层:允许内容溢出(关键!)
{/* 相对定位 宽度100% 水平居中 隐藏溢出 */} <div className="relative w-full mx-auto px-4 py-12 overflow-visible">
<div className="absolute inset-y-0 left-0 w-16 bg-gradient-to-r from-black/70 via-transparent pointer-events-none z-10" />
<div className="absolute inset-y-0 right-0 w-16 bg-gradient-to-l from-black/70 via-transparent pointer-events-none z-10" />
{/* 绝对定位 上下与父对齐 水平左对齐 背景渐变从左 从黑70%到透明 */}
<Carousel <Carousel
opts={{ opts={{ loop: true, align: "center" }}
loop: true,//循环
align: "start",
}}
plugins={[ plugins={[
Autoplay({ Autoplay({ delay: 3000, stopOnInteraction: false }),
delay: 3000, // 自动播放
stopOnInteraction: false,//不因为鼠标交互停止
}),
]} ]}
setApi={setApi}
className="w-full" className="w-full"
// ⚠️ 关键:覆盖 Embla 默认的 overflow:hidden
style={{ overflow: 'visible' }}
> >
<CarouselContent className="flex gap-4"> {/* 内容区域也要 visible */}
{imageUrls.map((src, index) => ( <CarouselContent className="py-6" style={{ overflow: 'visible' }}>
<CarouselItem {imageUrls.map((src, index) => {
key={index} const scale = getScaleByDistance(index, current, totalSlides);
className="basis-1/4 md:basis-1/3 lg:basis-1/4 flex-shrink-0 relative" const isCurrent = scale > 1.2;
>
{/* return (
500ms 1.05 <CarouselItem
key={index}
0 // 设置基础宽度比例,但不设高度
*/} className="basis-1/3 sm:basis-1/4 md:basis-1/5 flex-shrink-0 flex justify-center"
<div // ⚠️ 关键:这里不加 transform而是让子元素控制
className="p-1 transition-transform duration-500 hover:scale-105 cursor-pointer" style={{ overflow: 'visible' }}
style={{
transform: 'scale(1)',
transition: 'all 0.5s ease',
}}
> >
<Card className="overflow-hidden border-none shadow-lg"> {/* 这个 div 是真正要缩放的整体卡片 */}
<CardContent className="flex aspect-square items-center justify-center p-0 relative"> <div
<img className="rounded-xl shadow-xl bg-white transition-all duration-300 ease-out w-full max-w-[180px]"
src={src} style={{
alt={`Slide ${index + 1}`} height: '240px', // 固定高宽比替代方案(更稳定)
className="w-full h-full object-cover" transform: `scale(${scale})`,
loading="lazy" // 启用懒加载 transformOrigin: 'center bottom',
/> zIndex: isCurrent ? 20 : 1,
</CardContent> willChange: 'transform',
</Card> }}
</div> >
</CarouselItem> <img
))} src={src}
alt={`Slide ${index + 1}`}
className="w-full h-full object-cover rounded-xl"
loading="lazy"
/>
</div>
</CarouselItem>
);
})}
</CarouselContent> </CarouselContent>
{/* 左右箭头控制 */} <CarouselPrevious className="absolute left-0 top-1/2 -translate-y-1/2 z-30" />
<CarouselPrevious className="absolute left-2 top-1/2 -translate-y-1/2 z-20" /> <CarouselNext className="absolute right-0 top-1/2 -translate-y-1/2 z-30" />
<CarouselNext className="absolute right-2 top-1/2 -translate-y-1/2 z-20" />
</Carousel> </Carousel>
</div> </div>
); );

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@ -25,6 +25,8 @@ export function CarouselDemo() {
const [current, setCurrent] = React.useState(0); const [current, setCurrent] = React.useState(0);
const [count, setCount] = React.useState(0); const [count, setCount] = React.useState(0);
const totalSlides = imageUrls.length; const totalSlides = imageUrls.length;
const [isDotPagination, setIsDotPagination] = React.useState(true); // 控制分页指示器类型
React.useEffect(() => { React.useEffect(() => {
if (!api) return; if (!api) return;
@ -53,18 +55,16 @@ export function CarouselDemo() {
{Array.from({ length: totalSlides }).map((_, index) => ( {Array.from({ length: totalSlides }).map((_, index) => (
<CarouselItem key={index} className="w-full h-full pl-0"> <CarouselItem key={index} className="w-full h-full pl-0">
<div className="p-0 w-full h-full"> <div className="p-0 w-full h-full">
<CardContent className="flex aspect-square items-center justify-center p-0 w-full h-full m-0">
<CardContent className="flex aspect-square items-center justify-center p-0 w-full h-full m-0"> <div
<div
className="w-full h-full" className="w-full h-full"
style={{ style={{
backgroundImage: "url('/public/images/header.png')",//背景图片可修改 backgroundImage: "url('/public/images/header.png')",//背景图片可修改
backgroundSize: '100% 100%', backgroundSize: '100% 100%',
}} }}
> >
</div> </div>
</CardContent> </CardContent>
</div> </div>
</CarouselItem> </CarouselItem>
))} ))}
@ -79,9 +79,9 @@ export function CarouselDemo() {
<button <button
key={index} key={index}
onClick={() => api?.scrollTo(index)} onClick={() => api?.scrollTo(index)}
className={`h-2 w-2 rounded-full transition-colors ${ className={`transition-colors ${
index === current ? "bg-white" : "bg-white/50" isDotPagination ? "h-2 w-2 rounded-full" : "h-2 w-8 rounded"
}`} } ${index === current ? "bg-white" : "bg-white/50"}`}
aria-label={`Go to slide ${index + 1}`} aria-label={`Go to slide ${index + 1}`}
/> />
))} ))}

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