我在React中有下面的图像滑块,它的工作正常:
import React, { useState, useEffect } from "react";
import item1 from "./../assets/images/items/1.jpg";
import item2 from "./../assets/images/items/2.gif";
const imgs = [item1, item2]; // Array of images
const ImageSlider = () => {
const [current, setCurrent] = useState(0); // Initialize state to display the first image
// Change image every 2 seconds
useEffect(() => {
const interval = setInterval(() => {
setCurrent((current) => (current + 1) % imgs.length); // Move to the next image, go back to the first image after the last
}, 4000); // Change every 2 seconds
return () => {
clearInterval(interval); // Clean up on unmount
};
}, []);
return (
<div className="relative">
<img
src={imgs[0]}
className="w-full h-auto opacity-0"
alt="placeholder"
/>
{imgs.map((img, index) => (
<img
key={index}
src={img}
alt={`slide-img-${index}`}
className={`absolute top-0 transition-opacity duration-1000 ease-in-out ${
current === index ? "opacity-100" : "opacity-0"
} w-full h-auto`}
/>
))}
</div>
);
};
export default ImageSlider;
但它在NextJS中不起作用,我调整了一下以修复错误:
"use client";
import React, { useState, useEffect } from "react";
const imgs = ["/images/1.jpg", "/images/2.gif", "/images/3.jpg"];
const ImageSlider = () => {
const [current, setCurrent] = useState(0); // Initialize state to display the first image
// Change image every 2 seconds
useEffect(() => {
const interval = setInterval(() => {
setCurrent((current) => (current + 1) % imgs.length); // Move to the next image, go back to the first image after the last
}, 2000); // Change every 2 seconds
return () => {
clearInterval(interval); // Clean up on unmount
};
}, []);
return (
<div className="relative">
<img
src={imgs[0]}
className="w-full h-auto opacity-0"
alt="placeholder"
/>
{imgs.map((img, index) => (
<img
key={index}
src={img}
alt={`slide-img-${index}`}
className={`absolute top-0 transition-opacity duration-1000 ease-in-out ${
current === index ? "opacity-100" : "opacity-0"
} w-full h-auto`}
/>
))}
</div>
);
};
export default ImageSlider;
我尝试在组件顶部添加'use client',并修改代码以修复IDE显示的错误,数组中的所有图像都出现在浏览器网络选项卡中。
1条答案
按热度按时间2fjabf4q1#
在Next.js中,你不能直接在顶层组件中使用React钩子。相反,您可以在Next.js的useEffect函数中使用useEffect钩子。下面是如何修改代码使其在Next.js中工作的方法: