async uploadImage(e) { let _this = this; //上传图片并预览 let file = e.target.files[0]; //获取第一个文件 let fileSize = file.size / 1024 > 805; if (fileSize) { this.$message.error("上传图片大小不能超过 805kb,请重新选择图片"); return; } console.log(file.size / 1024, "图片大小"); this.getBase64(file).then((res) => { let imgF = res.split(","); _this.uploadImg(imgF[1]); console.log(imgF, "lll"); }); // this.base64Img=base64Img // this.uploadImg(base64Img) // console.log(file,'图片',base64Img) // // // let img = new FileReader(); // img.readAsDataURL(file); // console.log("img:",img) // img.onload = ({ target }) => { // this.imgSrc = target.result; //将img转化为二进制数据 // console.log("target:",target) // this.uploadImg(target.result) // }; // },
//blob转base64
blobToBase64(blob) {
return new Promise((resolve, reject) => {
const fileReader = new FileReader();
fileReader.onload = (e) => {
resolve(e.target.result);
};
fileReader.readAsDataURL(blob);
fileReader.onerror = () => {
reject(new Error("文件流异常"));
};
});
},