写入Blob 文件 下面是一个将 Blob 写入文件系统的示例代码: constfs=require('fs');functionsaveBlobToFileSystem(blob,fileName){conststream=fs.createWriteStream(fileName);stream.write(Buffer.from(awaitblob.arrayBuffer()));stream.end();}saveBlobToFileSystem(blob,'my-file.txt'); ...
body-parser 中间件 第三方的 获取 post 提交的数据 1.npm install body-parser --save 2.const bodyParser = require('body-parser') 3.设置中间件(注意这里要放到路由/api中间件前面) //处理 form 表单的中间件 // parse application/x-www-form-urlencoded app.use(bodyParser.urlencoded({ extended: f...
绘制一个实心矩形cv.fillRect(x,y,width,height)绘制之前声明绘制的实心矩形颜色使用fillStyle 【
const uploadFile = (file, options) => {}; const abortFileUpload = (file) => {}; const retryFileUpload = (file) => {}; const clearFileUpload = (file) => {}; const resumeFileUpload = (file) => {}; const uploadFileChunks = (file, options) => {}; const uploadFile = (file, ...
It's zsh 5.8.1. Running under bash or strace gives save result though. wangqr@ocalhost:~$ zsh --version zsh 5.8.1 (x86_64-pc-linux-gnu) wangqr@ocalhost:~$ bash -c /usr/bin/node bash: line 1: /usr/bin/node: cannot execute binary file: Exec format error ...
在线下载这块我们需要用到一个开源库:file-saver, 专门解决前端下载文件困难的窘境. 具体使用举例: varFileSaver=require('file-saver');varblob=newBlob(["Hello, world!"],{type:"text/plain;charset=utf-8"});FileSaver.saveAs(blob,"hello world.txt"); ...
and triestoguess sensible defaults.See`npm help json`fordefinitive documentation on these fields and exactly what theydo.Use`npm install<pkg>` afterwardstoinstall apackageand save it as a dependency in thepackage.json file.Press^Cat any timetoquit.packagename:(dome)// 默认名字version:(1.0.0)...
4 * @param tagFileName :下载后文件名标记 5 * @param fileType :文件类 word(docx) excel(xlsx) ppt等 6 */ 7 export function downloadFile(blob,tagFileName,fileType) { 8 var downloadElement = document.createElement('a'); 9 var href = window.URL.createObjectURL(blob); //创建下载的链接 ...
save it as a dependency in the package.json file. Press ^C at any time to quit. name: (web) webtest //项目名称 version: (1.0.0) //项目版本 description: 前端测试项目 //说明 entry point: (index.js) //项目的程序入口 test command: //测试命令 ...
# Note: this installs the necessary libs to make the bundled version of Chromium that Puppeteer # installs, work. 此处有墙...# https://github.com/GoogleChrome/puppeteer/blob/master/docs/troubleshooting.md RUN wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-...