【问题标题】:discord js how to sort json file money by descendingdiscord js如何通过降序对json文件进行排序
【发布时间】:2021-11-17 07:50:37
【问题描述】:

我尝试在我的 json 文件中对钱进行排序,但每次我得到“money.slice 不是函数” 有人可以帮忙吗? “money.sort((a,b)=>{b.money - a.money});”不工作 我的 JSON 文件:

{"2858236346346":{"name":"user1","money":100}}, {"346342356347436":{"name":"user2","money":1000}}

我遇到问题的代码:

execute(client, message, args) {

    let rawdata = fs.readFileSync('./money.json');
    let money = JSON.parse(rawdata);
    console.log(money);

    const res = money.slice().sort((a, b) => b.money - a.money);
    console.log(res);

    let embed = new Discord.MessageEmbed()
      .setTitle("Najbogatsi Gracze")
    //if there are no results
    if (res.length === 0) {
      embed.setColor("RED");
      embed.setThumbnail("https://i.imgur.com/pWHpi7G.png");
      embed.addField("Nie znaleziono danych", "Wpisz na czacie $daily aby zdobyć pieniądze!")
    } else if (res.length < 10) {
      //less than 10 results
      embed.setColor("BLURPLE");
      embed.setThumbnail("https://i.imgur.com/pWHpi7G.png");
      for (i = 0; i < res.length; i++) {
        let member = message.guild.members.cache.get(res[i].id) || "Brak danych"
        if (member === "Brak danych") {
          embed.addField(`${i + 1}. ${member}`, `**Kasa:**: ${res[i].money}zł`);
        } else {
          embed.addField(`${i + 1}. ${member.user.username}`, `**Kasa:**: ${res[i].money}zł`);
        }
...

【问题讨论】:

    标签: node.js json discord.js


    【解决方案1】:

    没关系,我刚刚发现我们必须使用循环并在这种情况下定义新的“const”“res = [];”那么我们就可以推送一个新的json,然后对其进行排序

    let money = JSON.parse(fs.readFileSync("./money.json", "utf8"));
    
        const res = [];
    
      for(let userID in money){
        res.push({"id": userID, "money": money[userID].money })
        res.sort((a, b) => Object.values(b)[1] - Object.values(a)[1])
        console.log(money, res);
    }
    

    【讨论】:

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