将文件上传至 Cloud Storage 后,您还可以删除它们。
删除文件
如需删除某个文件,请先为该文件创建引用。然后,对该引用调用 delete()
方法,这将返回一个可以解析的 Promise
,或者在 Promise
拒绝的情况下返回错误。
Web
import { getStorage, ref, deleteObject } from "firebase/storage"; const storage = getStorage(); // Create a reference to the file to delete const desertRef = ref(storage, 'images/desert.jpg'); // Delete the file deleteObject(desertRef).then(() => { // File deleted successfully }).catch((error) => { // Uh-oh, an error occurred! });
Web
// Create a reference to the file to delete var desertRef = storageRef.child('images/desert.jpg'); // Delete the file desertRef.delete().then(() => { // File deleted successfully }).catch((error) => { // Uh-oh, an error occurred! });
处理错误
导致删除文件时出错的原因有很多,包括文件不存在,或者用户不具备删除相应文件的权限。如需详细了解这些错误,请参阅文档的处理错误部分。