问题描述
我是新手,试图在REACT应用程序上使用react-gluejar将剪贴板中的图像粘贴到组件中,然后将其上传到静态服务器。
从基本示例开始:
<gluejar onPaste={files => {console.log(files)}} errorHandler={err => console.error(err)}>
{
images => images.length > 0 &&
<div>
<img src={images[images.length - 1]} key={images[0]} alt={`Pasted: ${images[0]}`} />
<Typography style={{ fontSize: "16px" }} > {images[0]} </Typography>
</div>
}</gluejar>
在我将两个图像粘贴到组件上之后,上面的控制台日志返回了以下内容:
(2) ["blob:http://localhost:3000/3ef4e3d9-b8b0-4545-9d24-9fdcb34cb6e9","blob:http://localhost:3000/49e641a5-15bd-49dd-a6ff-d97a4055c04e"]
File {name: "214860.jpg",lastModified: 1571432733000,lastModifiedDate: Fri Oct 18 2019 18:05:33 GMT-0300,webkitRelativePath: "",size: 571747,…}lastModified: 571432733000lastModifiedDate: Fri Oct 18 2019 18:05:33 GMT-0300 (Horário padrão de Brasília) {}name: 214860.jpg"size: 571747type: "image/jpeg"webkitRelativePath: ""__proto__: File
如何从上面显示的Gluejar返回开始创建这样的对象?
预先感谢
解决方法
1-将React-gluejar组件更改为此:
<Gluejar onPaste={files => { process(files) }} errorHandler={err => console.error(err)}>
{
images => images.length > 0 &&
<div>
<img src={images[images.length - 1]} key={images[0]} alt={`Pasted: ${images[0]}`} />
<Typography style={{ fontSize: "16px" }} > {images[0]} </Typography>
</div>
}</Gluejar>
并创建如下的 process 方法:
const process = async (selectedImage) => {
try {
async function createFile(Myfile) {
let response = await fetch(Myfile);
let data = await response.blob();
let metadata = {
type: 'image/png'
};
let file = new File([data],"test.png",metadata);
console.log(file)
}
createFile(selectedImage);
控制台日志将为:
File {name: "test.png",lastModified: 1597521664920,lastModifiedDate: Sat Aug 15 2020 17:01:04 GMT-0300 (Horário Padrão de Brasília),webkitRelativePath: "",size: 6839, …}