1.导出
1 private void btn_print_Click(object sender, EventArgs e)
2 {
3 DataTable dtNew = new DataTable();
4
5 dtNew.Columns.Add(new DataColumn("commodity_name", typeof(object)));
6 dtNew.Columns.Add(new DataColumn("specifications", typeof(object)));
7 dtNew.Columns.Add(new DataColumn("unit", typeof(object)));
8 dtNew.Columns.Add(new DataColumn("number", typeof(object)));
9 dtNew.Columns.Add(new DataColumn("price", typeof(object)));
10 dtNew.Columns.Add(new DataColumn("money", typeof(object)));
11 dtNew.Columns.Add(new DataColumn("settlement", typeof(object)));
12
13 for (int i = 0; i < dgv.Rows.Count; i++)
14 {
15 DataRow dr = dtNew.NewRow();
16 dr["commodity_name"] = Convert.ToString(dgv.Rows[i].Cells[3].Value ?? "");
17 dr["specifications"] = Convert.ToString(dgv.Rows[i].Cells[4].Value ?? "");
18 dr["unit"] = Convert.ToString(dgv.Rows[i].Cells[5].Value ?? "");
19 dr["number"] = Convert.ToString(dgv.Rows[i].Cells[8].Value ?? "");
20 dr["price"] = Convert.ToString(dgv.Rows[i].Cells[6].Value ?? "");
21 dr["money"] = Convert.ToString(dgv.Rows[i].Cells[7].Value ?? "");
22 dr["settlement"] = Convert.ToString(dgv.Rows[i].Cells[9].Value ?? "");
23
24 dtNew.Rows.Add(dr);
25 }
26 dgv2.DataSource = dtNew;
27
28 string xlsxName = "其他产品采购单_" + DateTime.Now.ToString("yyyyMMddHHmm") + ".xls"; //保存的Excel文件名
29 TableToExcelForXLSX(dtNew, xlsxName); //传入带出数据及文件名
30 }
1 private void TableToExcelForXLSX(System.Data.DataTable dt, string output)
2 {
3 FileStream file = new FileStream(output, FileMode.OpenOrCreate, FileAccess.ReadWrite);
4 try
5 {
6 HSSFWorkbook workbook = new HSSFWorkbook(); //XSSFWorkbook :用于表示高及低层次excel文件格式的类，实现workbook接口。
7
8 ISheet sheet = workbook.CreateSheet("sheet"); //ISheet:是一个工作表的高级表示，Row:行；Cell:单元格
9 IRow row = null;//第一行
10 row = sheet.CreateRow(0);//在工作表中添加一行
11 ICell cell = row.CreateCell(0);//在行中添加一列
12 cell.SetCellValue("商品采购入库单");//设置列的内容
13 setCellStyle(workbook, cell);
14 mergeCell(sheet, 0, 0, 0, 6); //合并单元格
15
16 ICellStyle style = workbook.CreateCellStyle();
17 //第二行
18 row = sheet.CreateRow(1);
19 row.CreateCell(0);
20 sheet.GetRow(1).GetCell(0).SetCellValue("供货单位：");
21
22 row.CreateCell(1);
23 sheet.GetRow(1).GetCell(1).SetCellValue(txt_unitname.Text);
24
25 row.CreateCell(5);
26 sheet.GetRow(1).GetCell(5).SetCellValue((Convert.ToDateTime(dp_datetime.Text)).ToString("yyyy年MM月dd日"));
27 //第三行
28
29 row = sheet.CreateRow(2); //循环添加表头
30 for (int i = 0; i < dgv2.ColumnCount; i++)
31 {
32 row.CreateCell(i);
33 sheet.GetRow(2).GetCell(i).SetCellValue(dgv2.Columns[i].HeaderText);
34 //边框
35 style.BorderBottom = NPOI.SS.UserModel.BorderStyle.THIN;
36 style.BorderLeft = NPOI.SS.UserModel.BorderStyle.THIN;
37 style.BorderRight = NPOI.SS.UserModel.BorderStyle.THIN;
38 style.BorderTop = NPOI.SS.UserModel.BorderStyle.THIN;
39 style.BottomBorderColor = HSSFColor.BLACK.index;
40 style.LeftBorderColor = HSSFColor.BLACK.index;
41 style.RightBorderColor = HSSFColor.BLACK.index;
42 style.TopBorderColor = HSSFColor.BLACK.index;
43 row.GetCell(i).CellStyle = style; //规定单元格加边框
44 }
45
46
47 for (int i = 1; i <= dgv2.Rows.Count; i++)
48 {
49 row = sheet.CreateRow(i + 2);
50 for (int j = 0; j < dgv2.ColumnCount; j++)
51 {
52 row.CreateCell(j);
53 string str = dgv2.Rows[i - 1].Cells[j].Value.ToString();
54 sheet.GetRow(i + 2).GetCell(j).SetCellValue(str);
55 style.BorderBottom = NPOI.SS.UserModel.BorderStyle.THIN;
56 style.BorderLeft = NPOI.SS.UserModel.BorderStyle.THIN;
57 style.BorderRight = NPOI.SS.UserModel.BorderStyle.THIN;
58 style.BorderTop = NPOI.SS.UserModel.BorderStyle.THIN;
59 style.BottomBorderColor = HSSFColor.BLACK.index;
60 style.LeftBorderColor = HSSFColor.BLACK.index;
61 style.RightBorderColor = HSSFColor.BLACK.index;
62 style.TopBorderColor = HSSFColor.BLACK.index;
63 row.GetCell(j).CellStyle = style;
64 }
65 }
66 row = sheet.CreateRow(dgv.Rows.Count + 7);
67
68 row.CreateCell(0);
69 sheet.GetRow(dgv.Rows.Count + 7).GetCell(0).SetCellValue("财务审核：");
70
71 row.CreateCell(1);
72 sheet.GetRow(dgv.Rows.Count + 7).GetCell(1).SetCellValue(cb_auditing.Text);
73
74 row.CreateCell(3);
75 sheet.GetRow(dgv.Rows.Count + 7).GetCell(3).SetCellValue("实物负责人：");
76
77 row.CreateCell(4);
78 sheet.GetRow(dgv.Rows.Count + 7).GetCell(4).SetCellValue(dgv.Rows[0].Cells[12].Value.ToString());
79
80 row.CreateCell(5);
81 sheet.GetRow(dgv.Rows.Count + 7).GetCell(5).SetCellValue("制单人：");
82
83 row.CreateCell(6);
84 sheet.GetRow(dgv.Rows.Count + 7).GetCell(6).SetCellValue(dgv.Rows[0].Cells[13].Value.ToString());
85
86 // 存储路径弹框选择
87 SaveFileDialog saveDialog = new SaveFileDialog();
88 saveDialog.DefaultExt = "xls";
89 saveDialog.Filter = "Excel文件|*.xls";
90 saveDialog.FileName = output;
91 saveDialog.ShowDialog();
92 output = saveDialog.FileName;
93 if (output.IndexOf(":") < 0) return; //被点了取消
94 if (output != "")
95 {
96 try
97 {
98 file = File.OpenWrite(saveDialog.FileName);
99 workbook.Write(file);
100 //file.Close();
101 //MessageBox.Show("导出成功！");
102 }
103 catch (Exception ex)
104 {
105 MessageBox.Show("导出文件时出错,文件可能正被打开！\n" + ex.Message);
106 }
107
108 }
109 }
110
111 finally
112 {
113 if (file != null)
114 file.Close();
115 GC.SuppressFinalize(this);
116 }
117
118 }
2.合并单元格、设置字体
1 private void mergeCell(ISheet sheet, int firstRow, int lastRow, int firstCell, int lastCell)
2 {
3 sheet.AddMergedRegion(new CellRangeAddress(firstRow, lastRow, firstCell, lastCell));//2.0使用 2.0以下为Region
4 }
5
6 private void setCellStyle(HSSFWorkbook workbook, ICell cell)
7 {
8 HSSFCellStyle fCellStyle = (HSSFCellStyle)workbook.CreateCellStyle();
9 HSSFFont ffont = (HSSFFont)workbook.CreateFont();
10 ffont.FontHeight = 20 * 20;
11 ffont.FontName = "宋体";
12 fCellStyle.SetFont(ffont);
13
14 fCellStyle.VerticalAlignment = NPOI.SS.UserModel.VerticalAlignment.CENTER;//垂直对齐
15 fCellStyle.Alignment = NPOI.SS.UserModel.HorizontalAlignment.CENTER;//水平对齐
16 cell.CellStyle = fCellStyle;
17 }
附加（ 使用Microsoft.Office.Interop.Excel 导出Excel表格）
1 private void ExportExcels(string fileName, DataGridView myDGV)
2 {
3 string saveFileName = "";
4 SaveFileDialog saveDialog = new SaveFileDialog();
5 saveDialog.DefaultExt = "xls";
6 saveDialog.Filter = "Excel文件|*.xls";
7 saveDialog.FileName = fileName;
8 saveDialog.ShowDialog();
9 saveFileName = saveDialog.FileName;
10 if (saveFileName.IndexOf(":") < 0) return;被点了取消
11 Microsoft.Office.Interop.Excel.Application xlApp = new Microsoft.Office.Interop.Excel.Application();
12 if (xlApp == null)
13 {
14 MessageBox.Show("无法创建Excel对象，可能您的机子未安装Excel");
15 return;
16 }
17
18 Microsoft.Office.Interop.Excel.Workbooks workbooks = xlApp.Workbooks;
19 Microsoft.Office.Interop.Excel.Workbook workbook = workbooks.Add(Microsoft.Office.Interop.Excel.XlWBATemplate.xlWBATWorksheet);
20 Microsoft.Office.Interop.Excel.Worksheet worksheet = (Microsoft.Office.Interop.Excel.Worksheet)workbook.Worksheets[1];//取得sheet1
21
22 DataTable dtNew = new DataTable();
23
24 dtNew.Columns.Add(new DataColumn("id", typeof(object)));
25 dtNew.Columns.Add(new DataColumn("datetime", typeof(object)));
26 dtNew.Columns.Add(new DataColumn("purchase_unit", typeof(object)));
27 dtNew.Columns.Add(new DataColumn("specifications", typeof(object)));
28 dtNew.Columns.Add(new DataColumn("unit", typeof(object)));
29 dtNew.Columns.Add(new DataColumn("number", typeof(object)));
30 dtNew.Columns.Add(new DataColumn("price", typeof(object)));
31 dtNew.Columns.Add(new DataColumn("money", typeof(object)));
32 dtNew.Columns.Add(new DataColumn("payment", typeof(object)));
33 dtNew.Columns.Add(new DataColumn("remain", typeof(object)));
34
35 for (int i = 0; i < dgv.Rows.Count; i++)
36 {
37 DataRow dr = dtNew.NewRow();
38
39 dr["id"] = Convert.ToString(dgv.Rows[i].Cells[0].Value ?? "");
40 dr["datetime"] = Convert.ToString(dgv.Rows[i].Cells[1].Value ?? "");
41 dr["purchase_unit"] = Convert.ToString(dgv.Rows[i].Cells[2].Value ?? "");
42 dr["specifications"] = Convert.ToString(dgv.Rows[i].Cells[4].Value ?? "");
43 dr["unit"] = Convert.ToString(dgv.Rows[i].Cells[5].Value ?? "");
44 dr["number"] = Convert.ToString(dgv.Rows[i].Cells[6].Value ?? "");
45 dr["price"] = Convert.ToString(dgv.Rows[i].Cells[10].Value ?? "");
46 dr["money"] = Convert.ToString(dgv.Rows[i].Cells[8].Value ?? "");
47 dr["payment"] = Convert.ToString(dgv.Rows[i].Cells[9].Value ?? "");
48 dr["remain"] = Convert.ToString(dgv.Rows[i].Cells[12].Value ?? "");
49
50 dtNew.Rows.Add(dr);
51 }
52 dgv2.DataSource = dtNew;
53 Excel.Range titleRange = worksheet.Range[worksheet.Cells[1, 1], worksheet.Cells[1, 10]];//选取单元格
54 titleRange.Merge(true);//合并单元格
55 titleRange.Value2 = "其它商品销售明细汇总表";设置单元格内文本
56 titleRange.Font.Name = "宋体";//设置字体
57 titleRange.Font.Size = 28;//字体大小
58 titleRange.Font.Bold = false;//加粗显示
59 titleRange.HorizontalAlignment = Excel.XlHAlign.xlHAlignCenter;//水平居中
60 titleRange.VerticalAlignment = Excel.XlVAlign.xlVAlignCenter;//垂直居中
61 titleRange.Borders.LineStyle = Excel.XlLineStyle.xlContinuous;//设置边框
62 titleRange.Borders.Weight = Excel.XlBorderWeight.xlThin;//边框常规粗细
63
64
65 Excel.Range title_unitname = worksheet.Range[worksheet.Cells[2, 1], worksheet.Cells[2, 1]];//选取单元格
66 title_unitname.Merge(false);//合并单元格
67 title_unitname.Value2 = "商品名称：";设置单元格内文本
68 title_unitname.Font.Name = "宋体";//设置字体
69 title_unitname.Font.Size = 14;//字体大小
70
71 Excel.Range title_unitname2 = worksheet.Range[worksheet.Cells[2, 2], worksheet.Cells[2, 2]];//选取单元格
72 title_unitname2.Merge(false);//合并单元格
73 title_unitname2.Value2 = txt_commname.Text;设置单元格内文本
74 title_unitname2.Font.Name = "宋体";//设置字体
75 title_unitname2.Font.Size = 14;//字体大小
76
77 Excel.Range title_datetime = worksheet.Range[worksheet.Cells[2, 8], worksheet.Cells[2, 8]];//选取单元格
78 title_datetime.Merge(true);//合并单元格
79 title_datetime.Value2 = (Convert.ToDateTime(dp_datetime1.Text)).ToString("yyyy年MM月dd日");设置单元格内文本
80 title_datetime.Font.Name = "宋体";//设置字体
81 title_datetime.Font.Size = 14;//字体大小
82
83 Excel.Range title_z = worksheet.Range[worksheet.Cells[2, 9], worksheet.Cells[2,9]];//选取单元格
84 title_z.Merge(true);//合并单元格
85 title_z.Value2 = "至";设置单元格内文本
86 title_z.Font.Name = "宋体";//设置字体
87 title_z.Font.Size = 14;//字体大小
88 title_z.HorizontalAlignment = Excel.XlHAlign.xlHAlignCenter;//水平居中
89
90 Excel.Range title_datetime2 = worksheet.Range[worksheet.Cells[2, 10], worksheet.Cells[2,10]];//选取单元格
91 title_datetime2.Merge(true);//合并单元格
92 title_datetime2.Value2 = (Convert.ToDateTime(dp_datetime2.Text)).ToString("yyyy年MM月dd日");设置单元格内文本
93 title_datetime2.Font.Name = "宋体";//设置字体
94 title_datetime2.Font.Size = 14;//字体大小
95
96 for (int i = 0; i < dgv2.ColumnCount; i++)
97 {
98 worksheet.Cells[5, i + 2] = dgv.Columns[i].HeaderText;
99 Excel.Range title_dgv = worksheet.Range[worksheet.Cells[5, i + 1], worksheet.Cells[5, i + 1]];
100 title_dgv.Merge(false);//合并单元格
101 title_dgv.Value2 = dgv2.Columns[i].HeaderText;设置单元格内文本
102 title_dgv.Font.Name = "宋体";//设置字体
103 title_dgv.Font.Size = 14;//字体大小
104 title_dgv.Borders.LineStyle = Excel.XlLineStyle.xlContinuous;//设置边框
105 title_dgv.Borders.Weight = Excel.XlBorderWeight.xlThin;//边框常规粗细
106 }
107 写入数值
108 for (int r = 0; r < dgv2.Rows.Count; r++)
109 {
110 for (int i = 0; i < dgv2.ColumnCount; i++)
111 {
112 Excel.Range title_dgvT = worksheet.Range[worksheet.Cells[r + 6, i + 1], worksheet.Cells[r + 6, i + 1]];
113 worksheet.Cells[r + 6, i + 2] = dgv.Rows[r].Cells[i].Value;
114 title_dgvT.Merge(false);//合并单元格
115 title_dgvT.Value2 = dgv2.Rows[r].Cells[i].Value;设置单元格内文本
116 title_dgvT.Font.Name = "宋体";//设置字体
117 title_dgvT.Font.Size = 14;//字体大小
118 title_dgvT.Borders.LineStyle = Excel.XlLineStyle.xlContinuous;//设置边框
119 title_dgvT.Borders.Weight = Excel.XlBorderWeight.xlThin;//边框常规粗细
120 }
121 System.Windows.Forms.Application.DoEvents();
122 }
123
124
125 Excel.Range title_auditing = worksheet.Range[worksheet.Cells[dgv.Rows.Count + 10, 1], worksheet.Cells[dgv.Rows.Count + 10, 1]];//选取单元格
126 title_auditing.Merge(false);//合并单元格
127 title_auditing.Value2 = "会计：";设置单元格内文本
128 title_auditing.Font.Name = "宋体";//设置字体
129 title_auditing.Font.Size = 14;//字体大小
130
131 Excel.Range title_auditing2 = worksheet.Range[worksheet.Cells[dgv.Rows.Count + 10, 2], worksheet.Cells[dgv.Rows.Count + 10, 2]];//选取单元格
132 title_auditing2.Merge(false);//合并单元格
133 title_auditing2.Value2 = dgv.Rows[0].Cells[10].Value;设置单元格内文本
134 title_auditing2.Font.Name = "宋体";//设置字体
135 title_auditing2.Font.Size = 14;//字体大小
136
137 worksheet.Cells[dgv.Rows.Count + 10, 1] = "财务审核：" + cb_auditing.Text;
138
139
140
141 Excel.Range title_docm = worksheet.Range[worksheet.Cells[dgv.Rows.Count + 10, 9], worksheet.Cells[dgv.Rows.Count + 10, 9]];//选取单元格
142 title_docm.Merge(false);//合并单元格
143 title_docm.Value2 = "制单人：";设置单元格内文本
144 title_docm.Font.Name = "宋体";//设置字体
145 title_docm.Font.Size = 14;//字体大小
146
147
148 Excel.Range title_docm2 = worksheet.Range[worksheet.Cells[dgv.Rows.Count + 10, 10], worksheet.Cells[dgv.Rows.Count + 10, 10]];//选取单元格
149 title_docm2.Merge(false);//合并单元格
150 title_docm2.Value2 = dgv.Rows[0].Cells[11].Value;设置单元格内文本
151 title_docm2.Font.Name = "宋体";//设置字体
152 title_docm2.Font.Size = 14;//字体大小
153 worksheet.Cells[dgv.Rows.Count + 10, 10] = "制单人：" + dgv.Rows[0].Cells[15].Value;
154
155 worksheet.Columns.EntireColumn.AutoFit();//列宽自适应
156 if (saveFileName != "")
157 {
158 try
159 {
160 workbook.Saved = true;
161 workbook.SaveCopyAs(saveFileName);
162 }
163 catch (Exception ex)
164 {
165 MessageBox.Show("导出文件时出错,文件可能正被打开！\n" + ex.Message);
166 }
167 }
168 xlApp.Quit();
169 GC.Collect();//强行销毁
170 MessageBox.Show("文件： " + fileName + ".xls 保存成功", "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
171 }
时间： 2024-10-03 14:14:47