/// <summary>
/// 将数据表保存到Excel表格中
/// </summary>
/// <param name="addr">Excel表格存放地址（程序运行目录后面的部分）</param>
/// <param name="dt">要输出的DataTable</param>
public static void SaveToExcel(string addr, System.Data.DataTable dt)
{
//0.注意：
// * Excel中形如Cells[x][y]的写法，前面的数字是列，后面的数字是行!
// * Excel中的行、列都是从1开始的，而不是0
//1.制作一个新的Excel文档实例
Excel::Application xlsApp = new Excel::Application();
xlsApp.Workbooks.Add(true);
/* 示例输入：需要注意Excel里数组以1为起始（而不是0）
* for (int i = 1; i < 10; i++)
* {
* for (int j = 1; j < 10; j++)
* {
* xlsApp.Cells[i][j] = "-";
* }
* }
*/
//2.设置Excel分页卡标题
xlsApp.ActiveSheet.Name = dt.TableName;
//3.合并第一行的单元格
string temp = "";
if (dt.Columns.Count < 26)
{
temp = ((char)('A' + dt.Columns.Count)).ToString();
}
else if (dt.Columns.Count <= 26 + 26 * 26)
{
temp = ((char)('A' + (dt.Columns.Count - 26) / 26)).ToString()
+ ((char)('A' + (dt.Columns.Count - 26) % 26)).ToString();
}
else
{
throw new Exception("列数过多");
}
Excel::Range range = xlsApp.get_Range("A1", temp + "1");
range.ClearContents(); //清空要合并的区域
range.MergeCells = true; //合并单元格
//4.填写第一行：表名，对应DataTable的TableName
xlsApp.Cells[1][1] = dt.TableName;
xlsApp.Cells[1][1].Font.Name = "黑体";
xlsApp.Cells[1][1].Font.Size = 25;
xlsApp.Cells[1][1].Font.Bold = true;
xlsApp.Cells[1][1].HorizontalAlignment = Excel.XlVAlign.xlVAlignCenter; //居中
xlsApp.Rows[1].RowHeight = 60; //第一行行高为60（单位：磅）
//5.合并第二行单元格，用于书写表格生成日期
range = xlsApp.get_Range("A2", temp + "2");
range.ClearContents(); //清空要合并的区域
range.MergeCells = true; //合并单元格
//6.填写第二行：生成时间
xlsApp.Cells[1][2] = "报表生成于：" + DateTime.Now.ToString();
xlsApp.Cells[1][2].Font.Name = "宋体";
xlsApp.Cells[1][2].Font.Size = 15;
//xlsApp.Cells[1][2].HorizontalAlignment = 4;//右对齐
xlsApp.Cells[1][2].HorizontalAlignment = Excel.XlVAlign.xlVAlignCenter; //居中
xlsApp.Rows[2].RowHeight = 30; //第一行行高为60（单位：磅）
//7.填写各列的标题行
xlsApp.Cells[1][3] = "序号";
for (int i = 0; i < dt.Columns.Count; i++)
{
xlsApp.Cells[i + 2][3] = dt.Columns[i].ColumnName;
}
xlsApp.Rows[3].Font.Name = "宋体";
xlsApp.Rows[3].Font.Size = 15;
xlsApp.Rows[3].Font.Bold = true;
xlsApp.Rows[3].HorizontalAlignment = Excel.XlVAlign.xlVAlignCenter; //居中
//设置颜色
range = xlsApp.get_Range("A3", temp + "3");
range.Interior.ColorIndex = 33;
//8.填写DataTable中的数据
for (int i = 0; i < dt.Rows.Count; i++)
{
xlsApp.Cells[1][i + 4] = i.ToString();
for (int j = 0; j < dt.Columns.Count; j++)
{
xlsApp.Cells[j + 2][i + 4] = dt.Rows[i][j];
}
}
range = xlsApp.get_Range("A4", temp + (dt.Rows.Count + 3).ToString());
range.Interior.ColorIndex = 37;
range.HorizontalAlignment = Excel.XlVAlign.xlVAlignCenter;
//9.描绘边框
range = xlsApp.get_Range("A1", temp + (dt.Rows.Count + 3).ToString());
range.Borders.LineStyle = 1;
range.Borders.Weight = 3;
//10.打开制作完毕的表格
//xlsApp.Visible = true;
//11.保存表格到根目录下指定名称的文件中
xlsApp.ActiveWorkbook.SaveAs(addr);
xlsApp.Quit();
xlsApp = null;
GC.Collect();
}
/// <summary>
/// 将数据表保存到Excel表格中
/// </summary>
/// <param name="addr">Excel表格存放地址（程序运行目录后面的部分）</param>
/// <param name="dt">要输出的DataTable</param>
public void SaveToExcel(string addr, System.Data.DataTable dt)
{
//0.注意：
// * Excel中形如Cells[x][y]的写法，前面的数字是列，后面的数字是行!
// * Excel中的行、列都是从1开始的，而不是0
//1.制作一个新的Excel文档实例
Excel::Application xlsApp = new Excel::Application();
xlsApp.Workbooks.Add(true);
/* 示例输入：需要注意Excel里数组以1为起始（而不是0）
* for (int i = 1; i < 10; i++)
* {
* for (int j = 1; j < 10; j++)
* {
* xlsApp.Cells[i][j] = "-";
* }
* }
*/
//2.设置Excel分页卡标题
xlsApp.ActiveSheet.Name = "表格";
//xlsApp.ActiveSheet.Name = dt.TableName;
//3.合并第一行的单元格
string temp = "";
if (dt.Columns.Count < 26)
{
temp = ((char)('A' + dt.Columns.Count)).ToString();
}
else if (dt.Columns.Count <= 26 + 26 * 26)
{
temp = ((char)('A' + (dt.Columns.Count - 26) / 26)).ToString()
+ ((char)('A' + (dt.Columns.Count - 26) % 26)).ToString();
}
else
{
throw new Exception("列数过多");
}
Excel::Range range = xlsApp.get_Range("A1", temp + "1");
range.ClearContents(); //清空要合并的区域
range.MergeCells = true; //合并单元格
//4.填写第一行：表名，对应DataTable的TableName
//xlsApp.Cells[1][1] = dt.TableName;
xlsApp.Cells[1][1] = "零件检查报表";
xlsApp.Cells[1][1].Font.Name = "黑体";
xlsApp.Cells[1][1].Font.Size = 25;
xlsApp.Cells[1][1].Font.Bold = true;
xlsApp.Cells[1][1].HorizontalAlignment = Excel.XlVAlign.xlVAlignCenter; //居中
xlsApp.Rows[1].RowHeight = 60; //第一行行高为60（单位：磅）
//5.合并第二行单元格，用于书写表格生成日期
range = xlsApp.get_Range("A2", temp + "2");
range.ClearContents(); //清空要合并的区域
range.MergeCells = true; //合并单元格
//6.填写第二行：生成时间
xlsApp.Cells[1][2] = "报表生成于：" + DateTime.Now.ToString();
xlsApp.Cells[1][2].Font.Name = "宋体";
xlsApp.Cells[1][2].Font.Size = 15;
//xlsApp.Cells[1][2].HorizontalAlignment = 4;//右对齐
xlsApp.Cells[1][2].HorizontalAlignment = Excel.XlVAlign.xlVAlignCenter; //居中
xlsApp.Rows[2].RowHeight = 30; //第一行行高为60（单位：磅）
//7.填写各列的标题行
xlsApp.Cells[1][3] = "序号";
for (int i = 0; i < dt.Columns.Count; i++)
{
xlsApp.Cells[i + 2][3] = dt.Columns[i].ColumnName + 1;
}
xlsApp.Rows[3].Font.Name = "宋体";
xlsApp.Rows[3].Font.Size = 15;
xlsApp.Rows[3].Font.Bold = true;
xlsApp.Rows[3].HorizontalAlignment = Excel.XlVAlign.xlVAlignCenter; //居中
//设置颜色
range = xlsApp.get_Range("A3", temp + "3");
// range.Interior.ColorIndex = 33;
// xlsApp.Columns[1].ColumnWidth = 20;
// xlsApp.Columns[1].HorizontalAlignment = Excel.XlVAlign.xlVAlignJustify;
xlsApp.Columns[2].ColumnWidth = 20;
xlsApp.Columns[2].NumberFormat = "@";
// xlsApp.Columns[2].HorizontalAlignment = Excel.
xlsApp.Columns[3].ColumnWidth = 20;
//xlsApp.Columns[4].ColumnWidth = 20;
xlsApp.Columns[3].NumberFormat = "@";
//xlsApp.Columns[2].NumberFormat = "@";
int cur_lie = dataGridView1.ColumnCount;
xlsApp.Columns[cur_lie + 1].NumberFormat = "@";
xlsApp.Columns[cur_lie + 1].ColumnWidth = 20;
//8.填写DataTable中的数据
for (int i = 0; i < dt.Rows.Count; i++)
{
xlsApp.Cells[1][i + 4] = (1 + i).ToString();
for (int j = 0; j < dt.Columns.Count; j++)
{
xlsApp.Cells[j + 2][i + 4] = dt.Rows[i][j];
if (j < dataGridView1.ColumnCount)
{
if (dataGridView1.Rows[i].Cells[j].Style.BackColor == Color.LightSalmon)
{
xlsApp.Cells[j + 2][i + 4].Font.ColorIndex = 3;
}
if (dataGridView1.Rows[i].Cells[j].Style.BackColor == Color.Cyan)
{
xlsApp.Cells[j + 2][i + 4].Font.ColorIndex = 23;
}
if (dataGridView1.Rows[i].Cells[j].Style.BackColor == Color.Lime)
{
xlsApp.Cells[j + 2][i + 4].Font.ColorIndex = 50;
}
if (dataGridView1.Rows[i].Cells[j].Value.ToString() == "NG")
{
xlsApp.Cells[j + 2][i + 4].Interior.ColorIndex = 3;
}
}
// Console.WriteLine("color : %s", dgv.Rows[i].Cells[j].Style.ForeColor);
}
}
range = xlsApp.get_Range("A4", temp + (dt.Rows.Count + 3).ToString());
// range.Interior.ColorIndex = 37;
range.HorizontalAlignment = Excel.XlVAlign.xlVAlignCenter;
//9.描绘边框
range = xlsApp.get_Range("A1", temp + (dt.Rows.Count + 3).ToString());
range.Borders.LineStyle = 1;
//range.Borders.Weight = 3;
//10.打开制作完毕的表格
//xlsApp.Visible = true;
//11.保存表格到根目录下指定名称的文件中
//xlsApp.ActiveWorkbook.SaveAs(Application.StartupPath + "/" + addr);
xlsApp.ActiveWorkbook.SaveAs(addr);
xlsApp.Quit();
xlsApp = null;
GC.Collect();
}