是在所有帖子之间搜索"/>
搜索功能(react js)只在前 8 个帖子之间搜索而不是在所有帖子之间搜索
react 中的搜索功能只在前 8 个帖子之间搜索,而不是在所有帖子之间搜索(网站中有 220 个帖子)
我不太明白,我尝试了所有解决方案。但什么都没有
我真的需要帮助
这是我的搜索文件
import { useEffect, useState } from 'react';
import tw, { styled } from 'twin.macro';
import LoadingSpinner from '../../../common/LoadingSpinner';
import PostsList from '../../../common/PostsList';
import { useGetPostsQuery } from '../../../core/features/posts/postsApiSlice';
import Postslistxx from '../../Tag/Postlistsxx';
const Posts = ({ value }) => {
const { data: posts, isLoading } = useGetPostsQuery(null, {
refetchOnMountOrArgChange: true,
});
const [filteredPosts, setFilteredPosts] = useState([]);
useEffect(() => {
setFilteredPosts(posts?.filter(post => post.title.toLowerCase().includes(value.toLowerCase())));
}, [value, posts]);
return isLoading ? (
<LoadingSpinner />
) : (
filteredPosts && <Postslistxx posts={filteredPosts} enableImages={false} />
);
};
const Wrapper = tw.div`bg-blue`;
export default Posts;
这是我的 postlistxxx.js 文件
import { nanoid } from '@reduxjs/toolkit';
import tw from 'twin.macro';
import Placeholder from '../../../src/common/Placeholder/Placeholder';
import Post from '../../common/PostsList/components/Post';
const Postslistxx = ({ posts, filteredTag, filteredPosts,toInvalidate, enableImages = true }) => {
return (
<Wrapper>
{posts?.length > 0 ? (
posts.map((post, i) => (
<Post
post={post}
isFirstPost={enableImages && i === 0}
filteredTag={filteredTag}
key={nanoid()}
toInvalidate={toInvalidate}
/>
))
) : (
<Placeholder />
)}
</Wrapper>
);
};
const Wrapper = tw.div`w-full`;
export default Postslistxx;
这是我的帖子列表文件,在这个文件中我将所有帖子提取到网站的主页
import { nanoid } from "@reduxjs/toolkit";
import tw from "twin.macro";
import Advertise from "../../pages/PostPage/components/Advertise";
import Placeholder from "../Placeholder";
import Post from "./components/Post";
import rehypeVideo from "rehype-video";
import { useEffect, useState } from "react";
import LoadingSpinner from "../LoadingSpinner/LoadingSpinner";
// import AutoDarkMode from 'auto-dark-mode';
// const theme = null; // will apply the default one
// // some elemens may got corrupted so double rotate them
// const doubleRotatedElements = ['img', 'video'];
// new AutoDarkMode(theme, doubleRotatedElements);
// import ArticleSkeleton from './ArticleSkeleton';
const PostsList = ({ filteredTag, toInvalidate, enableImages = true }) => {
const advertise = async () => {
window?.EventBus?.emit("reset-ads");
};
useEffect(() => {
advertise();
}, []);
const [posts, setposts] = useState(null);
const [loading, setisLoading] = useState(false);
useEffect(() => {
const fetchAgain = async () => {
if (posts != null) {
let skip = posts.length;
// await fetch(`${process.env.BASE_URL}/posts?limit=5&skip=${skip}`)
await fetch(`http://127.0.0.1:5000/posts?limit=6&skip=${skip}`)
.then((res) => res.json())
.then((result) => setposts([...posts, ...result]));
}
};
const handleScroll = () => {
const html = document.documentElement;
const body = document.body;
const windowheight =
"innerHeight" in window ? window.innerHeight : html.offsetHeight;
const docHeight = Math.max(
body.scrollHeight,
body.offsetHeight,
html.clientHeight,
html.scrollHeight,
html.offsetHeight
);
const windowBottom = windowheight + window.pageYOffset;
if (windowBottom >= docHeight) {
console.log("we reached the bottom");
fetchAgain();
}
};
window.addEventListener("scroll", handleScroll);
return () => window.removeEventListener("scroll", handleScroll);
}, [posts]);
useEffect(() => {
setTimeout(async () => {
// const res = await fetch(`${process.env.BASE_URL}/posts`)
const res = await fetch("http://127.0.0.1:5000/posts");
const data = await res.json();
setposts(data);
console.log(data);
}, 2000);
}, []);
return (
<Wrapper>
{
posts?.length ? (
posts.map((post, i) => (
<>
<>
<Post
post={post}
isFirstPost={enableImages && i++}
filteredTag={filteredTag}
key={nanoid()}
toInvalidate={toInvalidate}
/>
<Advertise />
</>
</>
))
) : (
<>
<LoadingSpinner />
</>
)
// (
// <Placeholder />
// )
}
</Wrapper>
);
};
const Wrapper = tw.div`w-full`;
export default PostsList;
回答如下:
这里我们需要调试我们的应用程序以查看错误的确切位置,所以在搜索文件中试试这个:
const filteredData = posts?.filter(..);
console.log(filteredData);
setFilteredPosts(filteredData)
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搜索功能(react js)只在前 8 个帖子之间搜索而不是在所有帖子之间搜索
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