import*aspdfMakefrom'pdfmake/build/pdfmake';import*aspdfFontsfrom'pdfmake/build/vfs_fonts';pdfMake.vfs=pdfFonts.pdfMake.vfs; 创建一个方法,用于将Base64字符串转换为PDF并下载: 代码语言:typescript 复制 convertBase64ToPdf(base64String:string,fileName:string){constbyteCharacters=atob(base64String);const...
Compact: A token is simply a base64-encoded string, containing a few header fields, and a payload if required. The total JWT is usually less than 200 bytes, even if signed. Secure: While not required, a great security feature of JWT is that tokens can be signed using either RSA public...
URL string Base64 string ArrayBuffer object TypedArray object See the Angular PDFViewer data binding demo Toolbar Tools The PDF Viewer offers built-in toolbar tools, enabling users to interact with the component and execute various actions on the PDF content. The available tools...
//设置: localStorage.setItem("dat", "456"); localStorage.dat = '456'; //获取: localStorage...
This file is used to define data-binding variables and functions for a component. Component HTML: /src/app/app.component.html <div> <h1> {{ title }}! </h1> <img width="300" alt="Angular Logo" src="data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdm...
Using base64string, download multiple files.Approach 3. Multiple times API calls to get multiple files.In modern web applications, it’s common to gather data from multiple API endpoints and combine it into a single downloadable file. This guide explains how to accomplish this using ASP.NET ...
That API call returns the image as a binary string, so we’ll need another library in order to get a base64 encoded version of that. npm install btoa Similar to how we made the REST API calls to get the list of dashboards in Part 2, we’ll need a new Route in our backend ...
gauge can be exported to image as a base64 string using theexportmethod. There are four parameters required: image type, file name, orientation of the exported PDF document which must be set asnullfor image export and finallyallowDownloadwhich should be set asfalseto return base64 string. ...
一、安装NPMhttps://nodejs.org/en/download/。 二、安装angular模板 dotnet new --install Microsoft.AspNetCore.SpaTemplates::* 安装结果应如下图所示 若未发现angular模板,请前往地址手工下载安装 https://visualstudiogallery.msdn.microsoft.com/31a3eab5-e62b-4030-9226-b5e4c9e1ffb5/file/220144/8/ASP...
然后在循环中,我调用了上面的函数,该函数返回base64图像,并使用doc.addImage()将图像添加到PDF中。 for(var i=0;i<this.images.length;i++){ let imageData= this.getBase64Image(document.getElementById('img'+i)); doc.addImage(imageData, "JPG", 10, (i+1)*10, 180, 150); doc.addPage()...