成功上传图片后，firebase snapshot.downloadURL未定义

问题描述

我的应用程序中有此代码，用于上传图像并获取其url，以便我可以将其保存在数据库中，该图像为base64格式，并且上传成功，如我在 console.log(snapshot); 输出，但是也通过检查我的firebase存储，快照的downloadUrl属性是未定义的，我不知道为什么.这不是应该的工作方式

I have this code in my app, that I use to upload an image and get its url so that i can save it in the database, the image is in base64 format and the upload is successfull as i can see in console.log(snapshot); output, and by checking also in my firebase storage however, the downloadUrl property of snapshot is undefined i dont know why. This is not the way it was supposed to work

storage.$putString(b64, 'data_url', {contentType:'image/jpg'}).$complete(function(snapshot) {
        console.log(snapshot);
        item.avatarUrl=snapshot.downloadURL;
        agents.$add(item).then(function(ref) {
        });

    });

推荐答案

使用 snapshot.ref.getDownloadURL()

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