feiniao-farm-h5/src/common/uploadImg.js

import UploadFile from "@/utils/upliadFile";
import store from "@/store";
import { base_img_url2 } from "@/api/config";
import wx from "weixin-js-sdk";

const miniUserId = store.state.home.miniUserId;


const uploadFileObj = new UploadFile();

function base64ToBlob(base64, mime = 'image/png') {
    const byteCharacters = window.atob(base64.split(',')[1]); // 去掉 Base64 前缀
    const byteNumbers = new Array(byteCharacters.length).fill(0).map((_, i) => byteCharacters.charCodeAt(i));
    const byteArray = new Uint8Array(byteNumbers);
    return new Blob([byteArray], { type: mime });
}


function base64ToFile(base64, filename = 'image.png') {
    const blob = base64ToBlob(base64);
    return new File([blob], filename, { type: blob.type });
}


async function uploadBase64(base64,isToPage = true) {
    return new Promise((resolve, reject) => {
        // 转为 File 对象
        const file = base64ToFile(base64, 'upload.png');
        let ext = 'png';
        let key = `birdseye-look-mini/${miniUserId}/${new Date().getTime()}.${ext}`;
        uploadFileObj.put(key, file).then((resFilename) => {
            let imgUrl = base_img_url2 + resFilename
            console.log('resFilename', base_img_url2 + resFilename);
            if(isToPage){
                wx.miniProgram.navigateTo({
                    url: `/pages/subPages/share_img/index?imgUrl=${imgUrl}`,
                });
            }else{
                if(resFilename){
                    resolve(imgUrl);
                }else{
                    reject('失败')
                }
            }
        });
    })
}



export { uploadBase64 };