#include "xlsxdocument.h" int main() { //Generate a simple xlsx file at first. QXlsx::Document xlsx; xlsx.write("A1", "Hello Qt!"); xlsx.write("A2", 500); xlsx.saveAs("first.xlsx"); //Read, edit, save QXlsx::Document xlsx2("first.xlsx"); xlsx2.addWorksheet("Second"); xlsx2.write("A1", "Hello Qt again!"); xlsx2.saveAs("second.xlsx"); return 0; }