网络图片转成base64
var url = '网络图片地址'
getBase64(url).then(base64 =>{
console.log(base64)
});
oss图片转成base64操作
function getBase64(img){
function getBase64Image(img,width,height) {
var canvas = document.createElement("canvas");
canvas.width = width ? width : img.width;
canvas.height = height ? height : img.height;
var ctx = canvas.getContext("2d");
ctx.drawImage(img, 0, 0, canvas.width, canvas.height);
var dataURL = canvas.toDataURL();
return dataURL;
}
var image = new Image();
image .setAttribute('crossOrigin', 'anonymous')
image.crossOrigin = '';
image.src = img;
return new Promise((resolve,reject)=>{
image.onload =function (){
resolve(getBase64Image(image));
}
});
};
Processed:
0.013, SQL:
9
