0
如何获取随机对象并从多个对象.json文件的数组中获取随机键/值对?从json对象中获取随机键/值对javascript(p5.js)
我有一个p5.js脚本加载一个json文件,其中包含多个对象的数组,每个对象包含11个键/值对。我可以得到随机对象,但我还需要随机获得键/瓦力对以用作字符串。
我没有足够的代码技巧来找出随机对象和随机键/ valeu对之间随机排序的方法。对此有何想法?
在此先感谢。
样品JSON:
{
"entries": [
{
"area": "0",
"qtd": "3",
"author": "FERNANDES, C. E. de M.",
"title": "Fundamentos de física para geociências.",
"subTitle": "xxxxx",
"qtdPag": "v.",
"edition": "xxxxx",
"isbn": "ISBN 9788571931596.",
"edPlace": "Rio de Janeiro: Interciência, 2007.",
"cdu": "53 F363f Ac.1028543",
"areaKnow": "Pre-catalogação"
}
]
}
p5.js代码:
var data;
var fontRegular;
function preload() {
fontRegular = loadFont("assets/RobotoMono-Medium.ttf");
data = loadJSON("assets/data-bce-final.json");
}
function setup() {
createCanvas(windowWidth, windowHeight);
setText();
setInterval(setText, 5000);
}
function setText() {
var entries = data.entries;
var randomEntries = entries[Math.floor(Math.random() * entries.length)]; // get random item
background(255);
noStroke();
fill(80, 227, 194);
fill(100);
textSize(30);
textFont(fontRegular);
text(
// random version
randomEntries.author + "\n" +
randomEntries.title + "\n" +
randomEntries.subTitle + "\n" + "\n" +
randomEntries.edPlace + "\n" +
randomEntries.areaKnow + "\n" + "\n" +
randomEntries.cdu, 50, 60, windowWidth - 150);
}
function draw() {
}
感谢您的快速响应!我认为这解决了我的问题。 –
很高兴帮助! –