后端配置了相关字段后的前端跨域处理

---

title: 后端配置了相关字段后的前端跨域处理
date: 2024-07-19 11:12:47
tags: vue3

const urlTest = () => {let url = "图片链接";var img = new Image();img.setAttribute("crossOrigin", "anonymous");img.src = url;img.onload = function () {let canvas = document.createElement("canvas");canvas.width = img.width;canvas.height = img.height;let context = canvas.getContext("2d");context.drawImage(img, 0, 0, img.width, img.height);let quality = 0.8;// 这里的dataurl就是base64类型let item = canvas.toDataURL("image/png", quality);console.log(item);};
};
urlTest();