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如何獲取隨機對象並從多個對象.json文件的數組中獲取隨機鍵/值對?從json對象中獲取隨機鍵/值對javascript(p5.js)
我有一個p5.js腳本加載一個json文件,其中包含多個對象的數組,每個對象包含11個鍵/值對。我可以得到隨機對象,但我還需要隨機獲得鍵/瓦力對以用作字符串。
我沒有足夠的代碼技巧來找出隨機對象和隨機鍵/ valeu對之間隨機排序的方法。對此有何想法?
在此先感謝。
樣品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代碼:
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() {
}
感謝您的快速響應!我認爲這解決了我的問題。 –
很高興幫助! –