Angular 2 button to download a file from url






















WebAPI Writing code in Angular Js2 typescript code for downloading file is not enough, there is also need of writing server side code which provide response as file.

Below is server side code , this code is done with the help of WebAPI — its framework provided by Microsoft for building web service. CreateResponse HttpStatusCode.

The cover could be a url to an image in the server. When calling get Myrecord you let the server return the prepared url Cover , with security token and other headers set. It is an answer that works. Show 1 more comment.

Justin Justin 8 8 silver badges 11 11 bronze badges. How to show the filesize in the browser when the download starts? I am sending the filesize as content-length in the http header.

How about this? So simple yet it is the one that work flawlessly. It doesn't clutter the DOM, doesn't create any element. I combined this solution with some of the aboves and it works like a charm. Tobias Ernst Tobias Ernst 3, 1 1 gold badge 25 25 silver badges 24 24 bronze badges. Thanks, works with Angular 8. Don't know why this was so hard to find.

I think the reason the file gets corrupted is because you are loading res into the blob and you actually want res. As of today. Have you found a solution?

Still i couldn't see the file getting downloaded. I couldn't see any error as well. Please help — AishApp. The 2 options lets me download the file, but it loads the data in the background first. What if I have a large file that has to be downloaded?

It's an option, not a header. Please fix it. The headers are created and not used. Not helpful. Show 11 more comments. Alex Dzeiko Alex Dzeiko 11 11 silver badges 12 12 bronze badges. This doesn't even require any new windows opening and stuff like that. Massimiliano Kraus 3, 5 5 gold badges 22 22 silver badges 44 44 bronze badges. GingerBeer GingerBeer 8 8 silver badges 11 11 bronze badges. You're right, but then how can you manage server errors within the single-page application?

If you have an access token you need to provide this doesn't work — chris This is plain and simple. But if you wanna do some authentication, then there is a possibility of having something like a one time token. So, instead of having it like this, you can have the url as: example.

Of course its not a simple scenario and works in all the situations, but can be a solution in situation where, you have access to the database before returning the report as a stream.. Get the download url from the server. So the server can prepare the url with onetime security token.

FileBytes, AT. Hope this helps someone :. It will be better if you try to call the new method inside you subscribe this. Volodymyr Khmil Volodymyr Khmil 11 11 silver badges 11 11 bronze badges.

The following example is to download a journal as PDF. Get, url: url, responseType: ResponseContentType. Casper Nybroe Casper Nybroe 1 1 gold badge 16 16 silver badges 37 37 bronze badges. Ismail H Ismail H 3, 1 1 gold badge 28 28 silver badges 53 53 bronze badges. Change this line according to request headers you need.

Blob; this. Baatar Baatar 2 2 silver badges 9 9 bronze badges. Tushar Walzade Tushar Walzade 3, 4 4 gold badges 28 28 silver badges 49 49 bronze badges. The above line shows the file content on browser, so it does not give you save as option. The above line uses ready-made FileSaver module that will open the file with Save as option.

I have created service class to fetch file data from a server URL but I need to provide a link or button for downloading the file. In the view file I will give users two options for downloading the same file. I will use link as well as button for downloading the same file from the server. In the service class I have used Http module which may not be found automatically. So I need to register it in providers array of NgModule. Run the Angular application angular-file-download by executing command ng serve --open.

When you click on link or button for downloading file you will see below page with file save option:. When you use the code for displaying data on browser inside download function of controller code and click on button or link, then you should see below output:. For server side code you can read the post on Download file using Angular and Spring Boot. Hi, There is no such step other than running the command for installing file-saver package.

You may find this easier using HttpClient , as it's very easy to configure it to return a Blob. Show 1 more comment. Active Oldest Votes. Chunbin Li Chunbin Li 1, 1 1 gold badge 12 12 silver badges 27 27 bronze badges. I updated it; you can call dynamicDownload after service got data.

I change buttons to anchors, But I don't think it has anything to do with the HtmlElement you want to use. Add a comment. Here is StackBlitz demo Just uncomment the saveAs line if you want to see it download the file. John Gilmer John Gilmer 1 1 gold badge 8 8 silver badges 16 16 bronze badges. Incase json, it opens a new tab. Any idea how to download json? HardikPatel I don't know.



0コメント

  • 1000 / 1000