我试图实现一种逻辑,根据点击的项目,arrow down
个图标变为arrow-up
,如果用户第二次点击同一行,则应该再次更改
我try 根据单击项目的索引触发它,但无法正常工作
const handleClick = () => {
setOpen(!open);
};
但这种方法会更改状态中所有图标的状态.
这是代码和sandbox link.
import React, { useState } from "react";
import { ListGroup } from "react-bootstrap";
import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
import { faAngleUp, faAngleDown } from "@fortawesome/free-solid-svg-icons";
export const defaultListData = [
{
name: "Dapibus ac facilisis in"
},
{
name: "Morbi leo risus"
},
{
name: "Porta ac consectetur ac"
},
{
name: "Porta ac doesfvsaard asdas"
}
];
function UserSettings() {
const [open, setOpen] = useState(false);
const [selectedIndex, setSelectedIndex] = useState(0);
const handleClick = () => {
setOpen(!open);
};
function handleTests(index) {
setSelectedIndex(index);
}
return (
<div>
{defaultListData.map((category, i) => (
<ListGroup key={category.name} variant="flush">
<ListGroup.Item
onClick={(e) => handleTests(i)}
style={{ display: "flex", gap: "50px" }}
>
{category.name}
<FontAwesomeIcon
style={{ color: "green", cursor: "pointer" }}
icon={selectedIndex === i ? faAngleDown : faAngleUp}
/>
</ListGroup.Item>
</ListGroup>
))}
</div>
);
}
export default UserSettings;
任何帮助都将不胜感激