getBingImageBase64.js

async function getBingImageBase64() {
  const response = await fetch("https://api.likepoems.com/img/bing/?type=JSON");
  const data = await response.json();
  const imgUrl = data.url.replace(
    "https://jihulab.com/weblog/gallery02/-/raw/master/BingImage/",
    "https://raw.githubusercontent.com/myseil/BingWallpaper/main/BingImage/"
    // 也可以换 ghproxy 或者其他允许跨域的代理
    // "https://ghproxy.com/https://raw.githubusercontent.com/myseil/BingWallpaper/main/BingImage/"
  );

  return new Promise((resolve, reject) => {
    const img = new Image();
    img.crossOrigin = "anonymous";
    img.onload = () => {
      const canvas = document.createElement("canvas");
      canvas.width = img.width;
      canvas.height = img.height;
      const ctx = canvas.getContext("2d");
      ctx.drawImage(img, 0, 0);
      const base64 = canvas.toDataURL("image/jpeg");
      resolve(base64);
    };
    img.onerror = reject;
    img.src = imgUrl;
  });
}
getBingImageBase64().then((base64) => {
  console.log(base64);
});