初始化PHP-Xlswrite扩展

library/libxlsxwriter/examples/dates_and_times01.c

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+/*
+ * Example of writing a dates and time in Excel using a number with date
+ * formatting. This demonstrates that dates and times in Excel are just
+ * formatted real numbers.
+ *
+ * An easier approach using a lxw_datetime struct is shown in example
+ * dates_and_times02.c.
+ *
+ * Copyright 2014-2021, John McNamara, jmcnamara@cpan.org
+ *
+ */
+
+#include "xlsxwriter.h"
+
+int main() {
+
+    /* A number to display as a date. */
+    double number = 41333.5;
+
+    /* Create a new workbook and add a worksheet. */
+    lxw_workbook  *workbook  = workbook_new("date_and_times01.xlsx");
+    lxw_worksheet *worksheet = workbook_add_worksheet(workbook, NULL);
+
+    /* Add a format with date formatting. */
+    lxw_format    *format    = workbook_add_format(workbook);
+    format_set_num_format(format, "mmm d yyyy hh:mm AM/PM");
+
+    /* Widen the first column to make the text clearer. */
+    worksheet_set_column(worksheet, 0, 0, 20, NULL);
+
+    /* Write the number without formatting. */
+    worksheet_write_number(worksheet, 0, 0, number, NULL   );  // 41333.5
+
+    /* Write the number with formatting. Note: the worksheet_write_datetime()
+     * or worksheet_write_unixtime() functions are preferable for writing
+     * dates and times. This is for demonstration purposes only.
+     */
+    worksheet_write_number(worksheet, 1, 0, number, format);   // Feb 28 2013 12:00 PM
+
+    return workbook_close(workbook);
+}