Node.js Apollo服务器和graphQL上传excel文件并逐行读取
我使用graphQL和Apollo服务器以及express实现了文件上传,并且工作正常。已上载目录上的文件存储 我采用以下参考资料 我想逐行读取上传的Excel文件我尝试了不同的NPM,但不起作用Node.js Apollo服务器和graphQL上传excel文件并逐行读取,node.js,graphql,react-apollo,apollo-server,Node.js,Graphql,React Apollo,Apollo Server,我使用graphQL和Apollo服务器以及express实现了文件上传,并且工作正常。已上载目录上的文件存储 我采用以下参考资料 我想逐行读取上传的Excel文件我尝试了不同的NPM,但不起作用 const fs = require('fs'); const {v4: uuid} = require('uuid'); const s3 = require('./s3'); let uploadProcess = async (file)=>{ let {createReadS
const fs = require('fs');
const {v4: uuid} = require('uuid');
const s3 = require('./s3');
let uploadProcess = async (file)=>{
let {createReadStream, filename, mimetype, encoding} = await file;
let stream = createReadStream();
let path = "uploads/" + uuid() + filename;
return new Promise((resolve,reject)=>
stream
.on("error", (error)=>{
if (error) fs.unlinkSync(path);
reject({
success: false,
message: "Some Error"
});
})
.pipe(fs.createWriteStream(path))
.on("finish", ()=> {
resolve({
filename, mimetype, encoding, location: path,
success: true, message: "Successfully Uploaded!"
})
})
)
}
stream
.on("error", (error) => {
if (error) fs.unlinkSync(path);
reject({
success: false,
message: "Some Error",
});
})
.pipe(fs.createReadStream(path))
.on("data", (row) => {
// use row data
console.log("Row data", row);
})
.on("finish", () => {
resolve({
filename,
mimetype,
encoding,
location: path,
success: true,
message: "Successfully Uploaded!",
});
})
);
我很想看这条流,但它不起作用
const fs = require('fs');
const {v4: uuid} = require('uuid');
const s3 = require('./s3');
let uploadProcess = async (file)=>{
let {createReadStream, filename, mimetype, encoding} = await file;
let stream = createReadStream();
let path = "uploads/" + uuid() + filename;
return new Promise((resolve,reject)=>
stream
.on("error", (error)=>{
if (error) fs.unlinkSync(path);
reject({
success: false,
message: "Some Error"
});
})
.pipe(fs.createWriteStream(path))
.on("finish", ()=> {
resolve({
filename, mimetype, encoding, location: path,
success: true, message: "Successfully Uploaded!"
})
})
)
}
stream
.on("error", (error) => {
if (error) fs.unlinkSync(path);
reject({
success: false,
message: "Some Error",
});
})
.pipe(fs.createReadStream(path))
.on("data", (row) => {
// use row data
console.log("Row data", row);
})
.on("finish", () => {
resolve({
filename,
mimetype,
encoding,
location: path,
success: true,
message: "Successfully Uploaded!",
});
})
);
任何人,请提出一个可能的解决方案来解决这个问题