Fixed cell region span number calculation

Author: jeggy

build.gradle.kts

@@ -7,7 +7,7 @@ plugins {
 }
 
 group = "com.apurebase"
-version = "1.1.1"
+version = "1.1.2"
 
 repositories {
     jcenter()

src/main/kotlin/com/apurebase/excel/ExcelRowDSL.kt

@@ -102,7 +102,7 @@ public class ExcelRowDSL(public val currentRow: Int) {
                 is ExcelRegionDSL -> {
                     val innerRegions = cell.buildAndApply(workbook, sheet, row.rowNum, currentColIndex)
                     ranges.addAll(innerRegions)
-                    currentColIndex += cell.colSpan + 1
+                    currentColIndex += cell.colSpan
                 }
                 else -> throw TODO("Implementation not supported")
             }

src/test/kotlin/com/apurebase/excel/Test1.kt

@@ -20,4 +20,24 @@ fun main() {
             }
         }
     }
+    excel {
+        sheet {
+            row {
+                cell("column 1")
+                cellRegion(3) {
+                    row {
+                        cell("column 2-4")
+                    }
+                }
+                cell("Column 5")
+            }
+            row {
+                cell("Value 1")
+                cell("Value 2-4")
+                cell("Value 2-4")
+                cell("Value 2-4")
+                cell("Value 5")
+            }
+        }
+    }
 }