初始化PHP-Xlswrite扩展

library/libxlsxwriter/examples/background.c

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+/*
+ * An example of setting a worksheet background image with libxlsxwriter.
+ *
+ * Copyright 2014-2021, John McNamara, jmcnamara@cpan.org
+ *
+ */
+
+#include "xlsxwriter.h"
+
+int main() {
+
+    lxw_workbook  *workbook  = workbook_new("background.xlsx");
+    lxw_worksheet *worksheet = workbook_add_worksheet(workbook, NULL);
+
+    worksheet_set_background(worksheet, "logo.png");
+
+    workbook_close(workbook);
+
+    return 0;
+}