Скачать или смотреть Generate PDF on Button Click in React JS: A Step-by-Step Guide to Avoid System Hangups

Discover how to generate PDF files for specific records in React JS while avoiding system overloads with this comprehensive guide.
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Generate PDF on Button Click in React JS

In today's digital world, generating PDF documents on the fly can enhance user experience significantly. However, when dealing with large datasets, issues can often arise. Many developers face challenges creating PDFs for specific records, as opposed to generating PDFs for entire datasets at once. This can lead to system hang-ups and a frustrating experience for users. In this guide, we'll walk through how to generate a PDF for a specific record in React JS using the @ react-pdf/renderer library, solving the problem of inefficient downloads and improving system performance.

The Challenge

When your application retrieves a large dataset from a database and displays it in a table, users expect to download PDFs for individual records they select. However, the default behavior of generating PDFs for all available records can lead to performance issues. The @ react-pdf/renderer library, while powerful, can become cumbersome when asked to create PDFs for every record at once. So, how can we tackle this?

Setting Up Your React Application

To get started, ensure you have the necessary packages installed. You will primarily use the @ react-pdf/renderer library. Here's a simple structure of your application before diving into the solution:

Importing Required Libraries

First, you need to import the components that you will use:

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Sample Data

Assuming you have the following sample data:

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Creating the PDF Component

Step 1: Define Your Document

Define a simple document structure using the Document and Page components from @ react-pdf/renderer. The example below creates a document for an individual record:

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Step 2: Manage State in Your App

To handle user selections, manage your state within the main App component to track which row has been selected:

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Step 3: Creating the Download Link

Next, update your return statement to conditionally render the download link if a row has been clicked:

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The Complete Code:

Now, putting all the pieces together, here's the complete implementation:

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Conclusion

Generating PDFs for specific records in your React application can simplify processes for users and prevent performance issues commonly associated with handling large datasets. By following the steps outlined in this guide, you can improve your application's efficiency and enhance user experience. Now, every time a user clicks on a record in your table, they'll have the ability to download the corresponding PDF without any hassle. Happy coding!