https://github.com/jyu213/ssh.
this get method that operates the FTP module can read the server file and return the ReadStream type. I need to download it to the local specified path. How to do the request?
https://github.com/jyu213/ssh.
this get method that operates the FTP module can read the server file and return the ReadStream type. I need to download it to the local specified path. How to do the request?
const fs = require('fs');
const readable = getReadableStreamSomehow();
const writable = fs.createWriteStream('file.txt');
// All the data from readable goes into 'file.txt'
readable.pipe(writable);https://nodejs.org/api/stream.
sftp.getFile(fileName).then(data => {
// data ReadStream data.pipe(require('fs').createWriteStream(`files/download/${fileName}.csv`));
console.log(data)
}).catch(err => {
console.log(err);
});Note:
const downLoadFile = (blob, fileName)=> {
if (window.navigator.msSaveOrOpenBlob) { // IE10
navigator.msSaveBlob(blob, fileName);
} else {
let link = document.createElement('a');
link.style.display = 'none';
link.href = URL.createObjectURL(blob); //URL
link.download = fileName;
link.click(); //
URL.revokeObjectURL(link.href); // URL.createObjectURL() URL
}
}
const downloadQrCode = () => {
/*
comments by wellen
readableStream,~
:
1.:responseType: 'arryBuffer';
2.arryBuffer:.then(response => response.arrayBuffer())
3.blob
*/
fetch(`${config.baseUrl}/api/v1/weChat/getwxacodeunlimit`, {
method: 'POST',
responseType: 'arryBuffer',
headers: {
'Content-Type': 'application/json;charset=UTF-8',
},
body: JSON.stringify({
scene: id,
is_hyaline: true,
width: 500,
page: 'pages/index/index',
}),
}).then(response => response.arrayBuffer())
.then(body => {
const blob = new Blob([body], { type: 'image/png' }); // excel
const fileName = `${id}-${new Date().getTime()}.png`; //
downLoadFile(blob, fileName);
});
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