update

row.go

@@ -10,7 +10,37 @@ type rowInfo struct {
 	Flags    uint32
 }
 
+//Row the data of one row
 type Row struct {
+	wb   *WorkBook
 	info *rowInfo
-	Cols map[uint16]contentHandler
+	cols map[uint16]contentHandler
+}
+
+//Col Get the Nth Col from the Row, if has not, return nil.
+//Suggest use Has function to test it.
+func (r *Row) Col(i int) string {
+	serial := uint16(i)
+	if ch, ok := r.cols[serial]; ok {
+		strs := ch.String(r.wb)
+		return strs[0]
+	} else {
+		for _, v := range r.cols {
+			if v.FirstCol() <= serial && v.LastCol() >= serial {
+				strs := v.String(r.wb)
+				return strs[serial-v.FirstCol()]
+			}
+		}
+	}
+	return ""
+}
+
+//LastCol Get the number of Last Col of the Row.
+func (r *Row) LastCol() int {
+	return int(r.info.Lcell)
+}
+
+//FirstCol Get the number of First Col of the Row.
+func (r *Row) FirstCol() int {
+	return int(r.info.Fcell)
 }