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How to save the image generated by canvas in js

亚连
亚连Original
2018-06-14 10:46:023774browse

Below I will share with you a js method to generate a picture from canvas and save it, or directly save a picture. It has a good reference value and I hope it will be helpful to everyone.

Save the canvas array

function downLoadImage(canvas,name) {
  var a = document.createElement("a");
  a.href = canvas.toDataURL();
  a.download = name;
  a.click();
}

canvas: The dom object passed into the canvas

name: The name of the saved picture

How to save the picture directly

function downLoadImage(img,name) {
  var a = document.createElement("a");
  a.href = img.src;
  a.download = name;
  a.click();
}

img :DOM object of the picture

name:The name when saving as a picture

The above is what I compiled for everyone , I hope it will be helpful to everyone in the future.

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