Download file from url front end

If this utility is being used in many places, then you can extract it into a service class that focuses on content-type mapping. Web users have become used to clicking a hyperlink to download a file. There are many ways to implement the hyperlink. For example, we can create a blob data URL, use a third-party JavaScript library, or serve files directly from a web server. In this article, we are going to use the simplest way to create an anchor element without any JavaScript.

The code is just one line, as shown in the following snippet. The href attribute has a value that points to the API endpoint. Another attribute in the anchor element is the download attribute, which prompts the user to save the linked URL instead of navigating to it. You can read more about the download attribute here. The rendered hyperlink works in all major browsers like Chrome, Edge, and Firefox.

It works like the screen recording below. Everything works as expected. We have gone over the details about downloading files via Web API. I hope you have learned something new. Thanks for reading. Senior Application Developer. I write blogs about. Bursts of code to power through your day.

This will do the job and you may noticed I commented "window. If UI need to pass some tokens or any kind of security header while invoking service calls, then above method won't work. We won't be able to invoke the api directly without passing the header.

Let us check how we can do in this case. Many of you already heard about FileSaver JS, using this plugin we can easily download files from backend. And one important thing is the type which should be the same which you mentioned in the service files.

File upload and sending data to backend using angular js. Angular js client side pagination like google. Angular Loader using font awesome icons. I am going to use here Spring Boot framework as a server side technology. I will provide link as well as button, on which user will click and download the file from server.

I will also show how to give end users Save as option while downloading file and how to display file content on the browser. Go through the following steps for creating Angular project to download file from server using Angular. Go through the link Creating Angular Project to create a new project. Make sure you give the project name as angular-file-download. For Angular 11 , you will find another option to set whether you want to use stricter type or not.

Here I am using stricter type and later I will show you how to use stricter type for response and error. Remember the file extension ts service. Service is one of fundamental blocks of every Angular application. Service is just a TypeScript class with or even without Injectable decorator. Once you create the service class you need to register it under app. Injectable is a decorator that has a property providedIn. When the service is provided at root level, Angular creates a single, shared instance of service and injects into any class that needs it.

Registering the provider in the Injectable metadata also allows Angular to optimize an application by removing the service if it is not used. If you are not using stricter type then your code should be working fine as it is working for Angular