javascript - 我不想创建另一个数据库表来过滤谁是团队谁是朋友,请帮帮我
问题描述
我不想在strapi 创建另一个名为friends 的表并将其再次链接到Visual Studio 代码,因此我为所有团队和朋友提供了一个Characters 表。所以我只想在 Characters 输入新数据,但过滤它以知道哪个是朋友或团队。因此,我尝试创建一个函数,让它知道哪个是朋友,如果你有开始日期和结束日期你是朋友,我已经确定你是否只有开始日期你的团队。该文件的源代码是这样的:
import Head from 'next/head'
import Layout from '../../components/Layout'
import styles from '../../styles/Home.module.css'
import fetchFromCMS from '../../lib/service';
import React, { Component } from 'react';
import "react-responsive-carousel/lib/styles/carousel.min.css"; // requires a loader
import { Carousel } from 'react-responsive-carousel';
export async function getStaticProps() {
const characters = await fetchFromCMS('characters');
return {
props: { characters},
revalidate: 1,
};
}
function sortByDate(a , b){
return new Date(a.StartDate) - new Date(b.StartDate);
}
function isFirend(a ){
var bool = true;
new Date(a.EndDate) != null? bool = true : bool= false;
return bool ;
}
const charactersItem = ({ characters }) => {
return (
<Layout>
<div className={styles.container}>
<Head>
<title>Characters</title>
</Head>
<main className={styles.main} id="page-top">
{/*///Team*/ }
<section className="bg-light page-section">
<div className="container">
<div className="row">
<div className="col-lg-12 text-center">
<h2 className="section-heading text-uppercase">Our Amazing Team</h2>
<h3 className="section-subheading text-muted">Check out our fantastic team.</h3>
</div>
</div>
<div className="row">
{characters.sort().map((character) => (
<div className="col-sm-4">
<a href={`/Team/${character.Slug}`}>
<div className="team-member">
<img className="mx-auto rounded-circle" src={character.Image.url} alt=""></img>
<h4 className="text-muted">{character.PaineapleName}</h4>
</div>
</a>
</div>
))
}
</div>
</div>
</section>
{/*//friends*/}
{ <section className="bg-light page-section">
<div className="container">
<div className="row">
<div className="col-lg-12 text-center">
<h2 className="section-heading text-uppercase">Our Amazing Friends</h2>
<h3 className="section-subheading text-muted">Check out our fantastic team.</h3>
</div>
</div>
<div className="row">
{characters.sort(character.EndDate).map((character) => (
<div className="col-sm-4">
<a href={`/Team/${character.Slug}`}>
<div className="team-member">
<img className="mx-auto rounded-circle" src={character.Image.url} alt=""></img>
<h4 className="text-muted">{character.PaineapleName}</h4>
</div>
</a>
</div>
))
}
</div>
</div>
</section> }
</main>
</div>
</Layout>
)
};
export default charactersItem;
我尝试了其他解决方案,并且我在它复制的目标附近做了一些事情的唯一方法,我的意思是,它复制了信息而不是过滤哪个是朋友。
解决方案
character.endDate 不是比较函数。字符可能是问题,但您应该一一隔离每个问题以进行故障排除。
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/sort
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