Create xlsxtojson.cpp

xlsxtojson.cpp

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+#include <iostream>
+#include <fstream>
+#include <libxl.h> // Include the libxl header
+
+int main() {
+    // Create a libxl Book object
+    libxl::Book* book = xlCreateXMLBook();
+
+    if (book) {
+        const char* filename = "example.xlsx"; // Replace with your .xlsx file path
+
+        // Load the .xlsx file
+        if (book->load(filename)) {
+            // Create a JSON object to store the data
+            nlohmann::json jsonData;
+
+            // Iterate through each sheet in the .xlsx file
+            for (int sheetIndex = 0; sheetIndex < book->sheetCount(); sheetIndex++) {
+                libxl::Sheet* sheet = book->getSheet(sheetIndex);
+                if (sheet) {
+                    nlohmann::json sheetData; // JSON array to store sheet data
+
+                    // Iterate through each row in the sheet
+                    for (int rowIndex = 0; rowIndex < sheet->lastRow(); rowIndex++) {
+                        nlohmann::json rowData; // JSON object to store row data
+
+                        // Iterate through each column in the row
+                        for (int columnIndex = 0; columnIndex < sheet->lastCol(); columnIndex++) {
+                            libxl::CellType cellType = sheet->cellType(rowIndex, columnIndex);
+                            if (cellType == libxl::CELLTYPE_STRING) {
+                                const char* cellValue = sheet->readStr(rowIndex, columnIndex);
+                                rowData[std::to_string(columnIndex)] = cellValue;
+                            }
+                            // You can add more conditions for other cell types (numbers, dates, etc.)
+                        }
+
+                        sheetData.push_back(rowData); // Add the row data to the JSON array
+                    }
+
+                    jsonData[sheet->name()] = sheetData; // Add the sheet data to the JSON object
+                }
+            }
+
+            // Save the JSON data to a file
+            std::ofstream jsonFile("output.json");
+            jsonFile << jsonData.dump(4); // Using pretty-print with 4 spaces for indentation
+            jsonFile.close();
+
+            std::cout << "Conversion to JSON completed. JSON data saved to 'output.json'." << std::endl;
+        } else {
+            std::cerr << "Failed to load the .xlsx file." << std::endl;
+        }
+
+        book->release(); // Release the libxl Book object
+    } else {
+        std::cerr << "Failed to create the libxl Book object." << std::endl;
+    }
+
+    return 0;
+}