Angular Firebase存储:“getDownloadURL”中的参数计数无效:应为0个参数,收到1个
我正在尝试在上传图像后立即获取图像的下载url,我的代码如下所示:Angular Firebase存储:“getDownloadURL”中的参数计数无效:应为0个参数,收到1个,angular,url,firebase,ionic-framework,firebase-storage,Angular,Url,Firebase,Ionic Framework,Firebase Storage,我正在尝试在上传图像后立即获取图像的下载url,我的代码如下所示: let image : string = 'promo_' + this.username + '_' + new Date() + '.png', storageRef : any, parseUpload : any; return new Promise((resolve, reject) => { storageRef = fire
let image : string = 'promo_' + this.username + '_' + new Date() + '.png',
storageRef : any,
parseUpload : any;
return new Promise((resolve, reject) => {
storageRef = firebase.storage().ref('/promos/' + image);
parseUpload = storageRef.putString(this.imageHolder, 'data_url');
parseUpload.on('state_changed', (_snapshot) => {
// We could log the progress here IF necessary
console.log('snapshot progess ' + _snapshot);
},
(_err) => {
reject(_err);
console.log(_err.messsage);
},
(success) => {
resolve(parseUpload.snapshot);
})
}).then(value => {
storageRef.getDownloadURL(url => {
this.list = this.af.list('/promos');
this.list.subscribe(items => {
let metadata = {
customMetadata: {
'title': this.item.title,
'caption': this.item.caption,
'price': this.item.price,
'date': this.item.date,
'typeofselect': this.item.typeofselect,
'username': this.username,
'url': url
}
}
items.push(metadata);
})
}).catch(e => console.log(e.message);
}).catch(function(error) {
console.log(error.message);
});
错误是:
Firebase存储:“getDownloadURL”中的参数计数无效:应为0个参数,收到1个
我获取下载url的方式是否有问题?谢谢。您不应该将回调函数传递给,因为它不带参数。它返回一个包含URL的字符串。在中,解析时可以访问URL
是的,谢谢你的帮助
storageRef.getDownloadURL()
.then(url => {
// Do something...
});