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javascript - 无法对 react 中的对象数组进行排序

In lại Tác giả: Walker 123 更新时间:2023-11-30 09:17:51 26 4
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我试图在按下按钮时按字母顺序对数组进行排序,但到目前为止我尝试的所有操作都失败了。当我尝试控制台记录某些内容并在控制台中打印时,按钮和功能起作用。我觉得我的排序功能有问题,但我不确定该怎么做。我该如何解决这个问题才能正常工作?

import React from "react";
import './Brewery.css'
import { Link } from 'react-router-dom';
import { ButtonToolbar, DropdownButton, MenuItem } from 'react-bootstrap';


class Brewery extends React.Component {
constructor(props) {
super(props);
this.state = {
showMenu: false,
breweries: []
}
}

componentDidMount() {
fetch("https://api.openbrewerydb.org/breweries")
.then(response => response.json())
.then((data) => {
this.setState({
breweries: data,
})
})
}

sortAlpha() {
const breweries = [].concat(this.state.breweries)
.sort((a, b) => a.name > b.name)
this.setState({breweries:breweries});
}

render() {

const { breweries } = this.state;

return(



Brewery


Find the best brewery in town









{breweries.slice(0,10).map((brewery, i) =>




{brewery.brewery_type}


{brewery.city}, {brewery.state}



{brewery.name}




)}



)
}
}

export default Brewery;

câu trả lời hay nhất

thử cái này

sortAlpha() {
const breweries = [...this.state.breweries].sort((a, b) => {
if (a.name < b.name) return -1;
if (a.name > b.name) return 1;
trả về 0;
});
this.setState({ breweries: breweries });
}

关于javascript - 无法对 react 中的对象数组进行排序,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/53821428/

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