[英]Firebase: Error loading preview after upload
Can somebody please help?有人可以帮忙吗? I have been searching documentation for hours, but can't find the right solution.
我已经搜索了几个小时的文档,但找不到正确的解决方案。 I am trying to just upload a hard coded image that I have in my project called house.jpg.
我正在尝试上传我在项目中名为 house.jpg 的硬编码图像。 However, when I upload it, it is not uploading properly.
但是,当我上传它时,它没有正确上传。 I specified that it is an image, but it just shows 'error loading preview'.
我指定它是一个图像,但它只显示“错误加载预览”。 It is also storing at 9 bytes, when it should be storing around 50KB.
它也以 9 个字节存储,而它应该存储大约 50KB。
var storageRef = storage.ref();
var propertyRef = storageRef.child(mainImageUrl);
console.log("adding property image")
const myPromise = new Promise((resolve, reject) =>{
var metadata = {
contentType: 'image/jpeg',
cacheControl: 'public,max-age=300',
};
var image = "../../assets/icons/house.jpg"
console.log(image)
propertyRef.put(image, metadata).then((snapshot)=>{
console.log('Uploaded a file', snapshot);
snapshot.ref.getDownloadURL().then((downloadURL)=>{
console.log("url: ", downloadURL);
resolve(downloadURL);
})
}).catch((error)=>{
reject(error);
})
});
You saved the string ../../assets/icons/house.jpg
as file您将字符串
../../assets/icons/house.jpg
保存为文件
if you want to save the file from this location you have to get the data before.如果要从此位置保存文件,则必须先获取数据。
with require:需要:
var storageRef = storage.ref();
var propertyRef = storageRef.child(mainImageUrl);
console.log("adding property image")
const myPromise = new Promise((resolve, reject) =>{
var metadata = {
contentType: 'image/jpeg',
cacheControl: 'public,max-age=300',
};
var image = require("../../assets/icons/house.jpg")
console.log(image)
propertyRef.put(image, metadata).then((snapshot)=>{
console.log('Uploaded a file', snapshot);
snapshot.ref.getDownloadURL().then((downloadURL)=>{
console.log("url: ", downloadURL);
resolve(downloadURL);
})
}).catch((error)=>{
reject(error);
})
});
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