rust_xlsxwriter 0.99.1

A Rust library for writing Excel 2007 xlsx files
Documentation 
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// SPDX-License-Identifier: MIT OR Apache-2.0
//
// Copyright 2022-2026, John McNamara, jmcnamara@cpan.org

//! A chart example demonstrating setting a date axis for a chart.

use rust_xlsxwriter::{Chart, ChartType, ExcelDateTime, Format, Workbook, XlsxError};

fn main() -> Result<(), XlsxError> {
    let mut workbook = Workbook::new();
    let worksheet = workbook.add_worksheet();
    let date_format = Format::new().set_num_format("yyyy-mm-dd");

    // Adjust the date column width for clarity.
    worksheet.set_column_width(0, 11)?;

    // Add some data for the chart.
    let dates = [
        ExcelDateTime::parse_from_str("2024-01-01")?,
        ExcelDateTime::parse_from_str("2024-01-02")?,
        ExcelDateTime::parse_from_str("2024-01-03")?,
        ExcelDateTime::parse_from_str("2024-01-04")?,
        ExcelDateTime::parse_from_str("2024-01-05")?,
    ];
    let values = [27.2, 25.03, 19.05, 20.34, 18.5];

    worksheet.write_column_with_format(0, 0, dates, &date_format)?;
    worksheet.write_column(0, 1, values)?;

    // Create a new chart.
    let mut chart = Chart::new(ChartType::Column);

    chart
        .add_series()
        .set_categories(("Sheet1", 0, 0, 4, 0))
        .set_values(("Sheet1", 0, 1, 4, 1));

    // Set the axis as a date axis.
    chart.x_axis().set_date_axis(true);

    // Add the chart to the worksheet.
    worksheet.insert_chart(0, 3, &chart)?;

    // Save the file.
    workbook.save("chart.xlsx")?;

    Ok(())
}