this.sendFile(file) }, sendFile(file) { let formdata = new FormData() formdata.append("file", file) this.$http({ url: "/upload/file", method: "post", data: formdata, headers: { "Content-Type": "multipart/form-data" } }).then(({ data }) => { console.log(data, 'upload/fil...
tried reading the excel and then concatenating the buffers and writing the file again, but turns out it is corrupting the file and is rendering it unusable. How do i append data to the end of the excel sheet? i am new to nodejs and buffers ...
写文件的两种方式: varfs=require('fs');//使用string写入文件fs.appendFile('message.txt','string---data to append!','utf8',(err)=>{if(err)throwerr;console.log('the data was appended to file')});//使用bufffer写入文件fs.appendFile('message.txt','buffer---data to append!',(err)=>{...
var fs=require('fs');fs.writeFile('./fileForWrite.txt','hello world','utf8',function(err){if(err)throw err;console.log('文件写入成功'); }); 同步写入 var fs=require('fs');try{fs.writeFileSync('./fileForWrite1.txt','hello world','utf8');console.log('文件写入成功'); }catch...
fs.appendFile('test.txt', 'data to append',function(err) {if(err)throwerr;//数据被添加到文件的尾部console.log('The "data to append" was appended to file!'); }); 编码格式默认为"utf8" 2.3 修改名字rename 修改文件名称是我们经常会遇见的事情,rename函数提供修改名称服务: ...
const file = fs.createReadStream('path/to/file'); // 替换为要上传的文件路径 构建包含文件的请求对象,并设置必要的请求头。 代码语言:txt 复制 const formData = new FormData(); formData.append('file', file); const options = { method: 'POST', body: formData, headers: { 'Content-Type': ...
// 构建HTTP FormData数据并请求,最后请求合并分片asyncbuildFormDataToSend(chunkCount,file,hash,res){constthat=this;constchunkReqArr=[];for(leti=0;i<chunkCount;i++){if(res.type==0||(res.type==1&&res.index&&res.index.length>0&&!res.index.includes(i.toString())){// 构建需要上传的分片...
/* 前端使用 axios react */varfiles=newFormData()//实例formdatafiles.append('file',this.refs.file.files[0])//添加要上传的文件 无关类型Axios.post('/upload/file',files,config)//接口post 发送请求 附送 上传文件 file.then((res)=>{console.log(res.data)// 上传成功返回this.setState({img:`...
我正在尝试从nodeJS执行http请求,这是以下请求: form.append('text 1', 'sometext');form.append('file', fs.createReadStream("foo.txt")); method: 'POSTconsole.error(err); 浏览0提问于2019-05-17得票数 11 回答已采纳 4回答 nodejs函数中的可选参数 、 在nodejs中创建接受可选参数的函数的最佳...
constuploadFileChunks=(file,options)=>{constformData=newFormData();constreq=newXMLHttpRequest();constchunk=file.slice(options.startingByte);formData.append("chunk",chunk,file.name);formData.append("fileId",options.fileId);req.open("POST",options.url,true);req.setRequestHeader("Content-Range",`...