我只是想了解节点流并尝试创建管道。所以读取一个文件并写入另一个可写流并再次传递给res因为那也是可写流。
但它会抛出错误
错误 [ERR_STREAM_CANNOT_PIPE]:无法管道,不可读
请让我知道失败的原因,并查看下面的英特尔代码。
const http = require('http')
const fs = require('fs')
var server = http.createServer((req, res)=>{
//created the read strem
let file = fs.createReadStream('./temp_files/file1.txt')
// pipig this RES, since is RES is the aother writeable stream
let des = fs.createWriteStream('./temp_files/final.tct')
file.pipe(des).pipe(res) // ERROR <<<------------------------------
})
server.listen(9090, (req, res)=>{
console.log("runnig at port 9090")
})