nodejs讀取服務器圖片，轉為base64顯示在網頁上

const fs = require("fs");

const mineType = require("mime-types");

function imgToBase64(url) {

try {

let imgurl = config.imageUrl;

let imageData = fs.readFileSync(imgurl);

if (!imageData) return "";

let bufferData = Buffer.from(imageData).toString("base64");

let base64 = "data:" + mineType.lookup(imgurl) + ";base64," + bufferData;

return base64;

} catch (error) {

return "";

}

}