Скачать или смотреть How to Pass Parameters to a New Page While Redirecting in React.js

Discover how to easily pass parameters to a new page in React.js when redirecting. Learn step-by-step solutions with code examples.
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This video is based on the question https://stackoverflow.com/q/67638847/ asked by the user 'Hoangdz' ( https://stackoverflow.com/u/14019479/ ) and on the answer https://stackoverflow.com/a/67639103/ provided by the user 'BTSM' ( https://stackoverflow.com/u/15579573/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Passing Parameters to a New Page While Redirecting in React.js

If you're developing a React application, you might find yourself in a situation where you need to redirect the user from one page to another, but you also need to pass some parameters along with that redirect. This can be slightly confusing if you're new to React Router or state management in React. In this guide, we will break down how to achieve this using a straightforward example.

The Problem

You have a component called SingleBox, from which you want to redirect the user to a new page called SinglePostView, along with some parameters related to the SingleBox component. When you perform the redirect, you find that they are not being passed as expected.

Current Code Snippet

Here's a simplified look at your current SingleBox component:

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The issue arises because the props you've passed in the SinglePostView component aren't structured as you desire. Instead of receiving the parameters directly, you're getting an object containing history, location, and match properties.

Original SinglePostView Code

Here's the original code for the SinglePostView component:

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The Solution

Step 1: Accessing the State in SinglePostView

To access the parameters you've passed to the SinglePostView, you need to use the location property of the props object, specifically props.location.state. Here's how you can modify the SinglePostView to access these parameters correctly:

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Step 2: Ensure State Transfer

Make sure that when you call history.push(), you are correctly structuring your state to include the properties you want. In your original SingleBox function, you are already working correctly by passing props as the state.

Example Code

Here’s the complete code integrating all the changes we've discussed:

SingleBox

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SinglePostView

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Conclusion

You've now successfully learned how to pass parameters to a new page when redirecting in React.js. By using the location object in your components, you can access the state you passed during the redirection. This method allows you to send various kinds of data to the new page, enhancing your application's interactivity and user experience.

Feel free to experiment with this concept and make it your own. Happy coding!