Angular2 download file from api






















It provides us with a possibility to pass any data from the parent to the child component — in this case, from AppComponent to DownloadComponent. The URL of the file will be passed to the back-end as a query parameter.

Then, respectfully, the download. And finally, pass the desired URL from the app. When we pass the URL parameter, we combine it with the directory in which our pictures are saved and read the file from that specific location. Later on, we copy the content of the file to a stream and return it to the client as a File. And yes, we have to handle the data returned from the API.

We are going to do it in a way that downloads the photo automatically. The reason why we are manipulating the DOM in this manner is that we want to save the user from doing any more work by downloading the file automatically. To achieve that, first, we create an anchor element. File download is a very common requirement nowadays since we are manipulating hundreds of data every day.

As an extension to the first article about the file upload , this way we can conclude this topic and be sure we can successfully cover any obstacle that comes our way regarding file manipulation in the browser.

The process includes a few simple steps which we learned in this article:. Find out how! Download Files with ASP. To download a starter project for this article, feel free to visit the repository from the previous article and download the finished project.

NET Core and Angular repository. Previous Code Maze Weekly Notify of. Oldest Newest Most Voted. Inline Feedbacks. Load More Comments. Here is the simplest way to download a file from an API that I was able to come up with. Shashank Shekhar Shashank Shekhar 3, 2 2 gold badges 39 39 silver badges 50 50 bronze badges. Types of property 'responseType' are incompatible.

Type 'ResponseContentType' is not assignable to type '"json"'. BenDonnelly It should be this. Thom Kiesewetter Thom Kiesewetter 4, 3 3 gold badges 22 22 silver badges 33 33 bronze badges. Note: http call from client needs to support blob response.

Dilip Nannaware Dilip Nannaware 1, 1 1 gold badge 14 14 silver badges 23 23 bronze badges. CreateResponse HttpStatusCode. OK ; result. ElliotSchmelliot ElliotSchmelliot 5, 3 3 gold badges 36 36 silver badges 61 61 bronze badges.

Eylon Sultan Eylon Sultan 8 8 silver badges 14 14 bronze badges. Please add some description so that the original poster can learn from you. While this code may solve the question, including an explanation of how and why this solves the problem would really help to improve the quality of your post, and probably result in more up-votes.

Remember that you are answering the question for readers in the future, not just the person asking now. Please edit your answer to add explanations and give an indication of what limitations and assumptions apply. Benehiko Benehiko 3 3 silver badges 6 6 bronze badges. The Overflow Blog. Podcast An oral history of Stack Overflow — told by its founding team.

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