function convertBase64UrlToBlob(urlData) {
let bytes = window.atob(urlData.split(",")[1]); //去掉url的头,并转换为byte
//处理异常,将ascii码小于0的转换为大于0
let ab = new ArrayBuffer(bytes.length);
let ia = new Uint8Array(ab);
for (var i = 0; i < bytes.length; i++) {
ia[i] = bytes.charCodeAt(i);
}
return new Blob([ab], {
type: "image/jpg",
});
}
let formdata = new FormData();
formdata.append("pic_type", 3);
console.log(formdata);
console.log("filename", blobInfo.filename());
const filename = blobInfo.filename();
let imgeFile = convertBase64UrlToBlob(
"data:image/png;base64," + blobInfo.base64()
);
formdata.append("file", imgeFile, new Date().getTime() + ".jpg");
PictureService.upload(formdata)
.then((res) => {
console.log(res);
if (res.code === 200) {
resolve(res.data.file_id);
}
})
.catch((err) => {
reject(err);
});
});
base64格式的图片转成文件格式的图片并上传到服务器
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转载自blog.csdn.net/xutongbao/article/details/125379246
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