JavaScript文件base64 的相关内容

阿里云文档 2024-08-29

JavascriptSDK如何对文件进行操作

提供文件相关的操作方法，包括文件增删改查，复制，移动等。

文章 2024-07-04 来自：开发者社区

js中readAsDataURL的意思，可以用于浏览器预览图像文件或者转成base64字符串

阿里云文档 2024-01-12

JavascriptSDK文件增值服务有那些,如何使用

以下方法需要打开相应开关才能使用。包括文档预览，音视频转码播放，打包下载。

阿里云文档 2023-12-20

如何通过Browser.jsSDK重命名文件

OSS不支持直接对文件（Object）进行重命名。如果您需要在同一个Bucket内对Object进行重命名，您可以通过CopyObject接口将源Object拷贝至目标Object，然后通过DeleteObject接口删除源Object。

文章 2023-12-15 来自：开发者社区

JS前端读取本地上传的File文件对象内容（包括Base64、text、JSON、Blob、ArrayBuffer等类型文件）

读取base64图片Filefile2Base64Image(file, cb) { const reader = new FileReader(); reader.readAsDataURL(file); reader.onload = function (e) { cb && cb(e.target.result);//即为base64...

问答 2023-09-18 来自：开发者社区

【前端项目笔记】原生js上传文件及文件转换成base64、blob类型

一.项目场景项目中经常会用到上传图片上传视频等功能，由于后端nginx限制，经常要进行文件转化才能上传，大文件可能还要进行切片上传处理。二.原生js实现上传功能的简单案例（上传图片）1.html部分<div class="about"> <input type=...

阿里云文档 2023-01-04

index.js文件中的常用函数有哪些

index.js文件是组件的主入口文件。本文档提供了一个示例供您参考，并介绍了index.js文件中的常用函数。

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更新时间 2024-07-27 02:44:38

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