Question

我正在从API中获取一些值，并将它们添加到可以正确显示的数组中。 var total = [points, rebounds, assists, steals, blocks, tov] 但是，我想将数组中的值加在一起并显示它们的总和作为输出，但是使用+运算符只是将每个值附加到最后一个的末尾。我已经在该网站上搜索并尝试了许多解决方案，但是类似parseInt的事情似乎会抛出UnhandledPromiseRejectionWarning: RangeError的任何帮助。

以下代码：

var express = require('express')
var fetch = require('isomorphic-fetch')
var app = express()

async function nbaFetch(){
    let result = await fetch('https://stats.nba.com/stats/playerdashboardbygeneralsplits?DateFrom=&DateTo=&GameSegment=&LastNGames=0&LeagueID=00&Location=&MeasureType=Base&Month=0&OpponentTeamID=0&Outcome=&PORound=0&PaceAdjust=N&PerMode=Totals&Period=0&PlayerID=201935&PlusMinus=N&Rank=N&Season=2018-19&SeasonSegment=&SeasonType=Regular+Season&ShotClockRange=&Split=general&VsConference=&VsDivision=', {
        mode: 'cors',
        method: "GET", // *GET, POST, PUT, DELETE, etc.
        headers: {
            
        "accept-encoding": "Accepflate, sdch",
        "accept-language": "he-IL,he;q=0.8,en-US;q=0.6,en;q=0.4",
        "cache-control": "max-age=0",
        connection: "keep-alive",
        host: "stats.nba.com",
        referer: "http://stats.nba.com/",
        "user-agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Safari/537.36"
        },
    })

    let nbaFileStruct = await result.json()

    
    return nbaFileStruct
}
app.use('/', async function (req, res, next) {
    let result = await nbaFetch().catch(error => console.log(error))

    // Grab all the values i want and add the fantasy multipliers
    var points = (JSON.stringify(result.resultSets[0].rowSet[0][26]))*1
    var rebounds = (JSON.stringify(result.resultSets[0].rowSet[0][18]))*1.5
    var assists = (JSON.stringify(result.resultSets[0].rowSet[0][19]))*1.5
    var tov = (JSON.stringify(result.resultSets[0].rowSet[0][20]))*-2
    var steals = (JSON.stringify(result.resultSets[0].rowSet[0][21]))*2
    var blocks = (JSON.stringify(result.resultSets[0].rowSet[0][22]))*2

    // Add multiplied results into a single array
    var total = [points, rebounds, assists, steals, blocks, tov]

    //Add array values together

    // Send result to client
    res.send(total)
    
})

app.listen(3001, console.log("I'm a server and I am listening on port 3001"))

Answer 1

首先，将值解析为数字-然后使用reduce将它们加起来：

var points = parseInt(JSON.stringify(result.resultSets[0].rowSet[0][26]))*1
var rebounds = parseInt(JSON.stringify(result.resultSets[0].rowSet[0][18]))*1.5
var assists = parseInt(JSON.stringify(result.resultSets[0].rowSet[0][19]))*1.5
var tov = parseInt(JSON.stringify(result.resultSets[0].rowSet[0][20]))*-2
var steals = parseInt(JSON.stringify(result.resultSets[0].rowSet[0][21]))*2
var blocks = parseInt(JSON.stringify(result.resultSets[0].rowSet[0][22]))*2
var total = [points, rebounds, assists, steals, blocks, tov]
var sum = total.reduce((acc, curr) => acc + curr, 0);
//Do something with sum

Javascript将数组值加在一起

1 个答案: