Скачать или смотреть Converting Powershell JSON Objects to HTML Tables

Learn how to convert Powershell JSON objects into HTML tables and embed the result in another JSON object for API usage.
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This video is based on the question https://stackoverflow.com/q/67343753/ asked by the user 'Sagar S.' ( https://stackoverflow.com/u/1852841/ ) and on the answer https://stackoverflow.com/a/67344396/ provided by the user 'Daniel' ( https://stackoverflow.com/u/11954025/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Converting Powershell JSON Objects to HTML Tables

When working with JSON data in Powershell, you might encounter situations where you need to convert this data into an HTML table. This is especially useful when you want to present data in a web-friendly format or need to send structured responses via an API. In this post, we will explore how to transform a JSON object into an HTML table and embed it into another JSON object, ensuring it can be properly sent to an API.

The Problem

Consider the following situation: You have a JSON object with various fields, including special characters in names and notes. Your goal is to convert this JSON data into an HTML table format and use that table as the value of a key in another JSON object meant for API transmission. It’s crucial that this new JSON object remains valid for appropriate parsing by the API.

Here’s a sample JSON object we’ll be working with:

[[See Video to Reveal this Text or Code Snippet]]

However, converting this directly to HTML might yield unexpected results, such as returning an empty table. Let's walk through how to remedy this issue.

The Solution

To properly convert our JSON data into an HTML table format, we need to make a couple of adjustments to our Powershell script. Here's a simplified step-by-step process to achieve this:

1. Change ConvertTo-Json to ConvertFrom-Json

First, we need to ensure that we're working with a JSON object that Powershell can handle correctly. This involves using ConvertFrom-Json in place of ConvertTo-Json to create an object we can manipulate.

2. Add the -Fragment Switch to ConvertTo-Html

When converting to HTML format, by default, Powershell returns a full HTML document which includes unnecessary headers and body tags. To obtain only the HTML table portion, you’ll want to include the -Fragment switch in the ConvertTo-Html command.

Complete Code Example

Below is the complete Powershell code to convert the JSON data into an HTML table and then embed that table into another JSON object:

[[See Video to Reveal this Text or Code Snippet]]

What Makes This Work

ConvertFrom-Json: This command transforms the JSON string into a Powershell object that can be manipulated easily.

ConvertTo-Html -Fragment: Using the -Fragment flag ensures that only the HTML table is generated without additional HTML markup.

Conclusion

By adjusting how you convert JSON to HTML in Powershell, you can streamline your data format for use in APIs and web presentations. Ensuring valid and appropriately structured data has never been easier!

Don’t hesitate to reach out if you have further queries or need additional examples on working with JSON and HTML in Powershell.