libxlsxwriter
tutorial3.c
<< tutorial2.c dates_and_times01.c >>

A tutorial program which is shown, with explanations, in Tutorial 3: Writing different types of data to the XLSX File.

/*
* A simple program to write some data to an Excel file using the
* libxlsxwriter library.
*
* This program is shown, with explanations, in Tutorial 3 of the
* libxlsxwriter documentation.
*
* Copyright 2014-2018, John McNamara, jmcnamara@cpan.org
*
*/
#include "xlsxwriter.h"
/* Some data we want to write to the worksheet. */
struct expense {
char item[32];
int cost;
lxw_datetime datetime;
};
struct expense expenses[] = {
{"Rent", 1000, { .year = 2013, .month = 1, .day = 13 } },
{"Gas", 100, { .year = 2013, .month = 1, .day = 14 } },
{"Food", 300, { .year = 2013, .month = 1, .day = 16 } },
{"Gym", 50, { .year = 2013, .month = 1, .day = 20 } },
};
int main() {
/* Create a workbook and add a worksheet. */
lxw_workbook *workbook = workbook_new("tutorial03.xlsx");
lxw_worksheet *worksheet = workbook_add_worksheet(workbook, NULL);
int row = 0;
int col = 0;
int i;
/* Add a bold format to use to highlight cells. */
lxw_format *bold = workbook_add_format(workbook);
/* Add a number format for cells with money. */
lxw_format *money = workbook_add_format(workbook);
format_set_num_format(money, "$#,##0");
/* Add an Excel date format. */
lxw_format *date_format = workbook_add_format(workbook);
format_set_num_format(date_format, "mmmm d yyyy");
/* Adjust the column width. */
worksheet_set_column(worksheet, 0, 0, 15, NULL);
/* Write some data header. */
worksheet_write_string(worksheet, row, col, "Item", bold);
worksheet_write_string(worksheet, row, col + 1, "Cost", bold);
/* Iterate over the data and write it out element by element. */
for (i = 0; i < 4; i++) {
/* Write from the first cell below the headers. */
row = i + 1;
worksheet_write_string (worksheet, row, col, expenses[i].item, NULL);
worksheet_write_datetime(worksheet, row, col + 1, &expenses[i].datetime, date_format);
worksheet_write_number (worksheet, row, col + 2, expenses[i].cost, money);
}
/* Write a total using a formula. */
worksheet_write_string (worksheet, row + 1, col, "Total", bold);
worksheet_write_formula(worksheet, row + 1, col + 2, "=SUM(C2:C5)", money);
/* Save the workbook and free any allocated memory. */
return workbook_close(workbook);
}
workbook_close
lxw_error workbook_close(lxw_workbook *workbook)
Close the Workbook object and write the XLSX file.
worksheet_write_formula
lxw_error worksheet_write_formula(lxw_worksheet *worksheet, lxw_row_t row, lxw_col_t col, const char *formula, lxw_format *format)
Write a formula to a worksheet cell.
workbook_new
lxw_workbook * workbook_new(const char *filename)
Create a new workbook object.
format_set_bold
void format_set_bold(lxw_format *format)
Turn on bold for the format font.
format_set_num_format
void format_set_num_format(lxw_format *format, const char *num_format)
Set the number format for a cell.
lxw_worksheet
Struct to represent an Excel worksheet.
Definition: worksheet.h:1603
lxw_datetime::year
int year
Definition: common.h:155
lxw_format
Struct to represent the formatting properties of an Excel format.
Definition: format.h:358
worksheet_write_datetime
lxw_error worksheet_write_datetime(lxw_worksheet *worksheet, lxw_row_t row, lxw_col_t col, lxw_datetime *datetime, lxw_format *format)
Write a date or time to a worksheet cell.
lxw_datetime
Struct to represent a date and time in Excel.
Definition: common.h:152
lxw_workbook
Struct to represent an Excel workbook.
Definition: workbook.h:273
worksheet_write_string
lxw_error worksheet_write_string(lxw_worksheet *worksheet, lxw_row_t row, lxw_col_t col, const char *string, lxw_format *format)
Write a string to a worksheet cell.
worksheet_write_number
lxw_error worksheet_write_number(lxw_worksheet *worksheet, lxw_row_t row, lxw_col_t col, double number, lxw_format *format)
Write a number to a worksheet cell.
worksheet_set_column
lxw_error worksheet_set_column(lxw_worksheet *worksheet, lxw_col_t first_col, lxw_col_t last_col, double width, lxw_format *format)
Set the properties for one or more columns of cells.
workbook_add_worksheet
lxw_worksheet * workbook_add_worksheet(lxw_workbook *workbook, const char *sheetname)
Add a new worksheet to a workbook.
workbook_add_format
lxw_format * workbook_add_format(lxw_workbook *workbook)
Create a new Format object to formats cells in worksheets.