From 02710b254460e0299d59bc5a7b5f55dc4c747f02 Mon Sep 17 00:00:00 2001
From: Jay Two <j2doll@gmail.com>
Date: Fri, 28 Dec 2018 21:10:21 +0900
Subject: [PATCH] append debugging information for HelloWorld example

---
 HelloWorld/main.cpp | 23 ++++++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

diff --git a/HelloWorld/main.cpp b/HelloWorld/main.cpp
index 0070b0a..ee7b41c 100644
--- a/HelloWorld/main.cpp
+++ b/HelloWorld/main.cpp
@@ -15,6 +15,7 @@
 #include <QCoreApplication>
 #include <QtCore>
 #include <QVariant>
+#include <QDir>
 #include <QDebug>
 
 #include <iostream>
@@ -36,20 +37,40 @@ int main(int argc, char *argv[])
 	// [1]  Writing excel file(*.xlsx)
     QXlsx::Document xlsxW;
     xlsxW.write("A1", "Hello Qt!"); // write "Hello Qt!" to cell(A,1). it's shared string.
-    xlsxW.saveAs("Test.xlsx"); // save the document as 'Test.xlsx'
+    if (xlsxW.saveAs("Test.xlsx")) // save the document as 'Test.xlsx'
+    {
+        qDebug() << "[debug] success to write xlsx file";
+    }
+    else
+    {
+        qDebug() << "[debug][error] failed to write xlsx file";
+    }
+
+    qDebug() << "[debug] current directory is " << QDir::currentPath();
 
 	// [2] Reading excel file(*.xlsx)
     Document xlsxR("Test.xlsx"); // load excel file
     if (xlsxR.isLoadPackage())
 	{ 
+        qDebug() << "[debug] success to load xlsx file.";
+
 		int row = 1; int col = 1;
         Cell* cell = xlsxR.cellAt(row, col); // get cell pointer.
         if ( cell != NULL )
         {
             QVariant var = cell->readValue(); // read cell value (number(double), QDateTime, QString ...)
+
             qDebug() << var; // display value
         }
+        else
+        {
+            qDebug() << "[debug][error] cell(1,1) is not set.";
+        }
 	}
+    else
+    {
+        qDebug() << "[debug][error] failed to load xlsx file.";
+    }
  
 	return 0;
 }