表格扩张修改

@@ -466,14 +466,6 @@ func (d *DataLayoutDataTable) Shrink() error {
 		}
 		iData++
 	}
-	//d.DataTable.Data = data
-	//for i := 0; i <= y; i++ {
-	//	d.DataTable.Fields = append(d.DataTable.Fields, &domain.Field{
-	//		Name:    fmt.Sprintf("列%d", i),
-	//		SQLName: fmt.Sprintf("col%d", i),
-	//		SQLType: domain.String.ToString(),
-	//	})
-	//}
 	// 默认计算集第一行作为标题
 	if len(data) >= 1 {
 		d.DataTable.Data = data[1:]
@@ -501,19 +493,28 @@ func (d *DataLayoutDataTable) Expand(cell *domain.LayoutCell, length int) error
 	if !d.CellOutRange(cell, length) {
 		return nil
 	}
-	expandLength := DefaultExpandNum
-	if expandLength < length {
-		expandLength = length
+	expand := DefaultExpandNum
+	if expand < length {
+		expand = length
 	}
-	if d.MaxX+expandLength > MaxExpandNum+DefaultExpandNum {
+	if d.MaxX+expand > MaxExpandNum {
 		return fmt.Errorf("布局元素超过限制 %d", MaxExpandNum)
 	}
-	copyData := make([][]string, d.MaxX+length)
+	copyData := make([][]string, d.MaxX+expand)
 	for i := range copyData {
-		copyData[i] = make([]string, d.MaxY+length)
+		copyData[i] = make([]string, d.MaxX+expand)
+	}
+	// 拷贝已写入的数据
+	if d.PointEnd != nil {
+		for i := 0; i <= d.PointEnd.X; i++ {
+			for j := 0; j <= d.PointEnd.Y; j++ {
+				copyData[i][j] = d.DataTable.Data[i][j]
+			}
 		}
-	copy(copyData, d.DataTable.Data)
+	}
+	d.DataTable.Data = [][]string{}
 	d.DataTable.Data = copyData
+	d.AddRange(length)
 	return nil
 }