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Project Documentation: JSON to Excel Conversion Tool

This repository contains a Go application that converts JSON data to an Excel file. It provides a convenient way to transform structured JSON data into a format that is easily readable and manageable in spreadsheet software.

Features

  1. JSON Creation:

    • Generates a JSON file from a predefined data structure.
    • Writes the JSON data to data.json in the current directory.

  2. Excel Conversion:

    • Reads the JSON data from data.json.
    • Converts the JSON data to an Excel file named data.xlsx, creating a well-structured spreadsheet.

  3. Data Compatibility:

    • Handles both array of objects and single object JSON formats.
    • Automatically populates the Excel sheet with appropriate headers and rows based on the JSON structure.

How to Use

Prerequisites

  • Go installed on your machine (version 1.16 or higher recommended).
  • Access to command-line interface/terminal.

Setup and Operation

  1. Clone the Repository:

    git clone https://github.com/yourusername/json-to-excel.git
cd json-to-excel

  2. Running the Application:

    • Execute the application with the following command: 
      go run main.go
    • This command performs the following actions:
      • Creates a data.json file with example JSON data.
      • Converts the JSON data into an Excel file (data.xlsx).

Understanding the Code

  • The CreateJson function:

    • Takes interface{} data and marshals it into JSON.
    • Writes this JSON data to a file named data.json.

  • The JsonToExcel function:

    • Opens the data.json file and reads its content.
    • Unmarshals the JSON data to dynamically determine its structure.
    • Based on the JSON structure (array of objects or a single object), it populates an Excel file.
    • Saves the populated data into data.xlsx.

Technologies Used

  • Go Programming Language: Core language used for application development.
  • GitHub: Used for version control and hosting the project repository.
  • Tealeg/xlsx: A Go package for reading and writing XLSX files.

Dependencies

  • xlsx Package:
    • To install the xlsx package, run: 
      go get github.com/tealeg/xlsx

Example JSON Data Format

  • Array of Objects: 
    [
  {"name": "Sundarm", "age": 23, "city": "City A"},
  {"name": "Aman", "age": 26, "city": "City B"},
  {"name": "Dheeraj", "age": 25, "city": "City C"},
  {"name": "Avnish", "age": 21, "city": "City D"}
]