JS将图片链接转为base64函数:
function image2Base64(img) {
var canvas = document.createElement("canvas");
canvas.width = img.width;
canvas.height = img.height;
var ctx = canvas.getContext("2d");
ctx.drawImage(img, 0, 0, img.width, img.height);
var dataURL = canvas.toDataURL("image/png");
return dataURL;
}
调用上面的函数将图片链接转为base64格式:
var base64="";
var img = new Image();
img.src="img/test.jpg";
img.onload=function(){
base64 = image2Base64(img);
alert(base64);
}