C#操作Excel，套用模板并对数据进行分页
2012-01-07 16:32
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Demo文件下载
1
using System;
2
using System.IO;
3
using System.Data;
4
using System.Reflection;
5
using System.Diagnostics;
6
using cfg = System.Configuration;
7
//using Excel;
8
9
namespace ExcelHelperTest
10
{
11
/// <summary>
12
/// 功能说明：套用模板输出Excel，并对数据进行分页
13
/// 作 者：Lingyun_k
14
/// 创建日期：2005-7-12
15
/// </summary>
16
public class ExcelHelper
17
{
18
protected string templetFile = null;
19
protected string outputFile = null;
20
protected object missing = Missing.Value;
21
22
/// <summary>
23
/// 构造函数，需指定模板文件和输出文件完整路径
24
/// </summary>
25
/// <param name="templetFilePath">Excel模板文件路径</param>
26
/// <param name="outputFilePath">输出Excel文件路径</param>
27
public ExcelHelper(string templetFilePath,string outputFilePath)
28
{
29
if(templetFilePath == null)
30
throw new Exception("Excel模板文件路径不能为空！");
31
32
if(outputFilePath == null)
33
throw new Exception("输出Excel文件路径不能为空！");
34
35
if(!File.Exists(templetFilePath))
36
throw new Exception("指定路径的Excel模板文件不存在！");
37
38
this.templetFile = templetFilePath;
39
this.outputFile = outputFilePath;
40
41
}
42
43
/// <summary>
44
/// 将DataTable数据写入Excel文件（套用模板并分页）
45
/// </summary>
46
/// <param name="dt">DataTable</param>
47
/// <param name="rows">每个WorkSheet写入多少行数据</param>
48
/// <param name="top">行索引</param>
49
/// <param name="left">列索引</param>
50
/// <param name="sheetPrefixName">WorkSheet前缀名，比如：前缀名为“Sheet”，那么WorkSheet名称依次为“Sheet-1，Sheet-2
”</param>
51
public void DataTableToExcel(DataTable dt,int rows,int top,int left,string sheetPrefixName)
52
{
53
int rowCount = dt.Rows.Count; //源DataTable行数
54
int colCount = dt.Columns.Count; //源DataTable列数
55
int sheetCount = this.GetSheetCount(rowCount,rows); //WorkSheet个数
56
DateTime beforeTime;
57
DateTime afterTime;
58
59
if(sheetPrefixName == null || sheetPrefixName.Trim() == "")
60
sheetPrefixName = "Sheet";
61
62
//创建一个Application对象并使其可见
63
beforeTime = DateTime.Now;
64
Excel.Application app = new Excel.ApplicationClass();
65
app.Visible = true;
66
afterTime = DateTime.Now;
67
68
//打开模板文件，得到WorkBook对象
69
Excel.Workbook workBook = app.Workbooks.Open(templetFile,missing,missing,missing,missing,missing,
70
missing,missing,missing,missing,missing,missing,missing);
71
72
//得到WorkSheet对象
73
Excel.Worksheet workSheet = (Excel.Worksheet)workBook.Sheets.get_Item(1);
74
75
//复制sheetCount-1个WorkSheet对象
76
for(int i=1;i<sheetCount;i++)
77
{
78
((Excel.Worksheet)workBook.Worksheets.get_Item(i)).Copy(missing,workBook.Worksheets[i]);
79
}
80
81
#region 将源DataTable数据写入Excel
82
for(int i=1;i<=sheetCount;i++)
83
{
84
int startRow = (i - 1) * rows; //记录起始行索引
85
int endRow = i * rows; //记录结束行索引
86
87
//若是最后一个WorkSheet，那么记录结束行索引为源DataTable行数
88
if(i == sheetCount)
89
endRow = rowCount;
90
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//获取要写入数据的WorkSheet对象，并重命名
92
Excel.Worksheet sheet = (Excel.Worksheet)workBook.Worksheets.get_Item(i);
93
sheet.Name = sheetPrefixName + "-" + i.ToString();
94
95
//将dt中的数据写入WorkSheet
96
for(int j=0;j<endRow-startRow;j++)
97
{
98
for(int k=0;k<colCount;k++)
99
{
100
sheet.Cells[top + j,left + k] = dt.Rows[startRow + j][k].ToString();
101
}
102
}
103
104
//写文本框数据
105
Excel.TextBox txtAuthor = (Excel.TextBox)sheet.TextBoxes("txtAuthor");
106
Excel.TextBox txtDate = (Excel.TextBox)sheet.TextBoxes("txtDate");
107
Excel.TextBox txtVersion = (Excel.TextBox)sheet.TextBoxes("txtVersion");
108
109
txtAuthor.Text = "KLY.NET的Blog";
110
txtDate.Text = DateTime.Now.ToShortDateString();
111
txtVersion.Text = "1.0.0.0";
112
}
113
#endregion
114
115
//输出Excel文件并退出
116
try
117
{
118
workBook.SaveAs(outputFile,missing,missing,missing,missing,missing,Excel.XlSaveAsAccessMode.xlExclusive,missing,missing,missing,missing);
119
workBook.Close(null,null,null);
120
app.Workbooks.Close();
121
app.Application.Quit();
122
app.Quit();
123
124
System.Runtime.InteropServices.Marshal.ReleaseComObject(workSheet);
125
System.Runtime.InteropServices.Marshal.ReleaseComObject(workBook);
126
System.Runtime.InteropServices.Marshal.ReleaseComObject(app);
127
128
workSheet=null;
129
workBook=null;
130
app=null;
131
132
GC.Collect();
133
}
134
catch(Exception e)
135
{
136
throw e;
137
}
138
finally
139
{
140
Process[] myProcesses;
141
DateTime startTime;
142
myProcesses = Process.GetProcessesByName("Excel");
143
144
//得不到Excel进程ID，暂时只能判断进程启动时间
145
foreach(Process myProcess in myProcesses)
146
{
147
startTime = myProcess.StartTime;
148
149
if(startTime > beforeTime && startTime < afterTime)
150
{
151
myProcess.Kill();
152
}
153
}
154
}
155
156
}
157
158
159
/// <summary>
160
/// 获取WorkSheet数量
161
/// </summary>
162
/// <param name="rowCount">记录总行数</param>
163
/// <param name="rows">每WorkSheet行数</param>
164
private int GetSheetCount(int rowCount,int rows)
165
{
166
int n = rowCount % rows; //余数
167
168
if(n == 0)
169
return rowCount / rows;
170
else
171
return Convert.ToInt32(rowCount / rows) + 1;
172
}
173
174
175
/// <summary>
176
/// 将二维数组数据写入Excel文件（套用模板并分页）
177
/// </summary>
178
/// <param name="arr">二维数组</param>
179
/// <param name="rows">每个WorkSheet写入多少行数据</param>
180
/// <param name="top">行索引</param>
181
/// <param name="left">列索引</param>
182
/// <param name="sheetPrefixName">WorkSheet前缀名，比如：前缀名为“Sheet”，那么WorkSheet名称依次为“Sheet-1，Sheet-2
”</param>
183
public void ArrayToExcel(string[,] arr,int rows,int top,int left,string sheetPrefixName)
184
{
185
int rowCount = arr.GetLength(0); //二维数组行数（一维长度）
186
int colCount = arr.GetLength(1); //二维数据列数（二维长度）
187
int sheetCount = this.GetSheetCount(rowCount,rows); //WorkSheet个数
188
DateTime beforeTime;
189
DateTime afterTime;
190
191
if(sheetPrefixName == null || sheetPrefixName.Trim() == "")
192
sheetPrefixName = "Sheet";
193
194
//创建一个Application对象并使其可见
195
beforeTime = DateTime.Now;
196
Excel.Application app = new Excel.ApplicationClass();
197
app.Visible = true;
198
afterTime = DateTime.Now;
199
200
//打开模板文件，得到WorkBook对象
201
Excel.Workbook workBook = app.Workbooks.Open(templetFile,missing,missing,missing,missing,missing,
202
missing,missing,missing,missing,missing,missing,missing);
203
204
//得到WorkSheet对象
205
Excel.Worksheet workSheet = (Excel.Worksheet)workBook.Sheets.get_Item(1);
206
207
//复制sheetCount-1个WorkSheet对象
208
for(int i=1;i<sheetCount;i++)
209
{
210
((Excel.Worksheet)workBook.Worksheets.get_Item(i)).Copy(missing,workBook.Worksheets[i]);
211
}
212
213
#region 将二维数组数据写入Excel
214
for(int i=1;i<=sheetCount;i++)
215
{
216
int startRow = (i - 1) * rows; //记录起始行索引
217
int endRow = i * rows; //记录结束行索引
218
219
//若是最后一个WorkSheet，那么记录结束行索引为源DataTable行数
220
if(i == sheetCount)
221
endRow = rowCount;
222
223
//获取要写入数据的WorkSheet对象，并重命名
224
Excel.Worksheet sheet = (Excel.Worksheet)workBook.Worksheets.get_Item(i);
225
sheet.Name = sheetPrefixName + "-" + i.ToString();
226
227
//将二维数组中的数据写入WorkSheet
228
for(int j=0;j<endRow-startRow;j++)
229
{
230
for(int k=0;k<colCount;k++)
231
{
232
sheet.Cells[top + j,left + k] = arr[startRow + j,k];
233
}
234
}
235
236
Excel.TextBox txtAuthor = (Excel.TextBox)sheet.TextBoxes("txtAuthor");
237
Excel.TextBox txtDate = (Excel.TextBox)sheet.TextBoxes("txtDate");
238
Excel.TextBox txtVersion = (Excel.TextBox)sheet.TextBoxes("txtVersion");
239
240
txtAuthor.Text = "KLY.NET的Blog";
241
txtDate.Text = DateTime.Now.ToShortDateString();
242
txtVersion.Text = "1.0.0.0";
243
}
244
#endregion
245
246
//输出Excel文件并退出
247
try
248
{
249
workBook.SaveAs(outputFile,missing,missing,missing,missing,missing,Excel.XlSaveAsAccessMode.xlExclusive,missing,missing,missing,missing);
250
workBook.Close(null,null,null);
251
app.Workbooks.Close();
252
app.Application.Quit();
253
app.Quit();
254
255
System.Runtime.InteropServices.Marshal.ReleaseComObject(workSheet);
256
System.Runtime.InteropServices.Marshal.ReleaseComObject(workBook);
257
System.Runtime.InteropServices.Marshal.ReleaseComObject(app);
258
259
workSheet=null;
260
workBook=null;
261
app=null;
262
263
GC.Collect();
264
}
265
catch(Exception e)
266
{
267
throw e;
268
}
269
finally
270
{
271
Process[] myProcesses;
272
DateTime startTime;
273
myProcesses = Process.GetProcessesByName("Excel");
274
275
//得不到Excel进程ID，暂时只能判断进程启动时间
276
foreach(Process myProcess in myProcesses)
277
{
278
startTime = myProcess.StartTime;
279
280
if(startTime > beforeTime && startTime < afterTime)
281
{
282
myProcess.Kill();
283
}
284
}
285
}
286
287
}
288
}
289
}
290
DOTNET
1
using System;
2
using System.IO;
3
using System.Data;
4
using System.Reflection;
5
using System.Diagnostics;
6
using cfg = System.Configuration;
7
//using Excel;
8
9
namespace ExcelHelperTest
10
{
11
/// <summary>
12
/// 功能说明：套用模板输出Excel，并对数据进行分页
13
/// 作 者：Lingyun_k
14
/// 创建日期：2005-7-12
15
/// </summary>
16
public class ExcelHelper
17
{
18
protected string templetFile = null;
19
protected string outputFile = null;
20
protected object missing = Missing.Value;
21
22
/// <summary>
23
/// 构造函数，需指定模板文件和输出文件完整路径
24
/// </summary>
25
/// <param name="templetFilePath">Excel模板文件路径</param>
26
/// <param name="outputFilePath">输出Excel文件路径</param>
27
public ExcelHelper(string templetFilePath,string outputFilePath)
28
{
29
if(templetFilePath == null)
30
throw new Exception("Excel模板文件路径不能为空！");
31
32
if(outputFilePath == null)
33
throw new Exception("输出Excel文件路径不能为空！");
34
35
if(!File.Exists(templetFilePath))
36
throw new Exception("指定路径的Excel模板文件不存在！");
37
38
this.templetFile = templetFilePath;
39
this.outputFile = outputFilePath;
40
41
}
42
43
/// <summary>
44
/// 将DataTable数据写入Excel文件（套用模板并分页）
45
/// </summary>
46
/// <param name="dt">DataTable</param>
47
/// <param name="rows">每个WorkSheet写入多少行数据</param>
48
/// <param name="top">行索引</param>
49
/// <param name="left">列索引</param>
50
/// <param name="sheetPrefixName">WorkSheet前缀名，比如：前缀名为“Sheet”，那么WorkSheet名称依次为“Sheet-1，Sheet-2
”</param>
51
public void DataTableToExcel(DataTable dt,int rows,int top,int left,string sheetPrefixName)
52
{
53
int rowCount = dt.Rows.Count; //源DataTable行数
54
int colCount = dt.Columns.Count; //源DataTable列数
55
int sheetCount = this.GetSheetCount(rowCount,rows); //WorkSheet个数
56
DateTime beforeTime;
57
DateTime afterTime;
58
59
if(sheetPrefixName == null || sheetPrefixName.Trim() == "")
60
sheetPrefixName = "Sheet";
61
62
//创建一个Application对象并使其可见
63
beforeTime = DateTime.Now;
64
Excel.Application app = new Excel.ApplicationClass();
65
app.Visible = true;
66
afterTime = DateTime.Now;
67
68
//打开模板文件，得到WorkBook对象
69
Excel.Workbook workBook = app.Workbooks.Open(templetFile,missing,missing,missing,missing,missing,
70
missing,missing,missing,missing,missing,missing,missing);
71
72
//得到WorkSheet对象
73
Excel.Worksheet workSheet = (Excel.Worksheet)workBook.Sheets.get_Item(1);
74
75
//复制sheetCount-1个WorkSheet对象
76
for(int i=1;i<sheetCount;i++)
77
{
78
((Excel.Worksheet)workBook.Worksheets.get_Item(i)).Copy(missing,workBook.Worksheets[i]);
79
}
80
81
#region 将源DataTable数据写入Excel
82
for(int i=1;i<=sheetCount;i++)
83
{
84
int startRow = (i - 1) * rows; //记录起始行索引
85
int endRow = i * rows; //记录结束行索引
86
87
//若是最后一个WorkSheet，那么记录结束行索引为源DataTable行数
88
if(i == sheetCount)
89
endRow = rowCount;
90
91
//获取要写入数据的WorkSheet对象，并重命名
92
Excel.Worksheet sheet = (Excel.Worksheet)workBook.Worksheets.get_Item(i);
93
sheet.Name = sheetPrefixName + "-" + i.ToString();
94
95
//将dt中的数据写入WorkSheet
96
for(int j=0;j<endRow-startRow;j++)
97
{
98
for(int k=0;k<colCount;k++)
99
{
100
sheet.Cells[top + j,left + k] = dt.Rows[startRow + j][k].ToString();
101
}
102
}
103
104
//写文本框数据
105
Excel.TextBox txtAuthor = (Excel.TextBox)sheet.TextBoxes("txtAuthor");
106
Excel.TextBox txtDate = (Excel.TextBox)sheet.TextBoxes("txtDate");
107
Excel.TextBox txtVersion = (Excel.TextBox)sheet.TextBoxes("txtVersion");
108
109
txtAuthor.Text = "KLY.NET的Blog";
110
txtDate.Text = DateTime.Now.ToShortDateString();
111
txtVersion.Text = "1.0.0.0";
112
}
113
#endregion
114
115
//输出Excel文件并退出
116
try
117
{
118
workBook.SaveAs(outputFile,missing,missing,missing,missing,missing,Excel.XlSaveAsAccessMode.xlExclusive,missing,missing,missing,missing);
119
workBook.Close(null,null,null);
120
app.Workbooks.Close();
121
app.Application.Quit();
122
app.Quit();
123
124
System.Runtime.InteropServices.Marshal.ReleaseComObject(workSheet);
125
System.Runtime.InteropServices.Marshal.ReleaseComObject(workBook);
126
System.Runtime.InteropServices.Marshal.ReleaseComObject(app);
127
128
workSheet=null;
129
workBook=null;
130
app=null;
131
132
GC.Collect();
133
}
134
catch(Exception e)
135
{
136
throw e;
137
}
138
finally
139
{
140
Process[] myProcesses;
141
DateTime startTime;
142
myProcesses = Process.GetProcessesByName("Excel");
143
144
//得不到Excel进程ID，暂时只能判断进程启动时间
145
foreach(Process myProcess in myProcesses)
146
{
147
startTime = myProcess.StartTime;
148
149
if(startTime > beforeTime && startTime < afterTime)
150
{
151
myProcess.Kill();
152
}
153
}
154
}
155
156
}
157
158
159
/// <summary>
160
/// 获取WorkSheet数量
161
/// </summary>
162
/// <param name="rowCount">记录总行数</param>
163
/// <param name="rows">每WorkSheet行数</param>
164
private int GetSheetCount(int rowCount,int rows)
165
{
166
int n = rowCount % rows; //余数
167
168
if(n == 0)
169
return rowCount / rows;
170
else
171
return Convert.ToInt32(rowCount / rows) + 1;
172
}
173
174
175
/// <summary>
176
/// 将二维数组数据写入Excel文件（套用模板并分页）
177
/// </summary>
178
/// <param name="arr">二维数组</param>
179
/// <param name="rows">每个WorkSheet写入多少行数据</param>
180
/// <param name="top">行索引</param>
181
/// <param name="left">列索引</param>
182
/// <param name="sheetPrefixName">WorkSheet前缀名，比如：前缀名为“Sheet”，那么WorkSheet名称依次为“Sheet-1，Sheet-2
”</param>
183
public void ArrayToExcel(string[,] arr,int rows,int top,int left,string sheetPrefixName)
184
{
185
int rowCount = arr.GetLength(0); //二维数组行数（一维长度）
186
int colCount = arr.GetLength(1); //二维数据列数（二维长度）
187
int sheetCount = this.GetSheetCount(rowCount,rows); //WorkSheet个数
188
DateTime beforeTime;
189
DateTime afterTime;
190
191
if(sheetPrefixName == null || sheetPrefixName.Trim() == "")
192
sheetPrefixName = "Sheet";
193
194
//创建一个Application对象并使其可见
195
beforeTime = DateTime.Now;
196
Excel.Application app = new Excel.ApplicationClass();
197
app.Visible = true;
198
afterTime = DateTime.Now;
199
200
//打开模板文件，得到WorkBook对象
201
Excel.Workbook workBook = app.Workbooks.Open(templetFile,missing,missing,missing,missing,missing,
202
missing,missing,missing,missing,missing,missing,missing);
203
204
//得到WorkSheet对象
205
Excel.Worksheet workSheet = (Excel.Worksheet)workBook.Sheets.get_Item(1);
206
207
//复制sheetCount-1个WorkSheet对象
208
for(int i=1;i<sheetCount;i++)
209
{
210
((Excel.Worksheet)workBook.Worksheets.get_Item(i)).Copy(missing,workBook.Worksheets[i]);
211
}
212
213
#region 将二维数组数据写入Excel
214
for(int i=1;i<=sheetCount;i++)
215
{
216
int startRow = (i - 1) * rows; //记录起始行索引
217
int endRow = i * rows; //记录结束行索引
218
219
//若是最后一个WorkSheet，那么记录结束行索引为源DataTable行数
220
if(i == sheetCount)
221
endRow = rowCount;
222
223
//获取要写入数据的WorkSheet对象，并重命名
224
Excel.Worksheet sheet = (Excel.Worksheet)workBook.Worksheets.get_Item(i);
225
sheet.Name = sheetPrefixName + "-" + i.ToString();
226
227
//将二维数组中的数据写入WorkSheet
228
for(int j=0;j<endRow-startRow;j++)
229
{
230
for(int k=0;k<colCount;k++)
231
{
232
sheet.Cells[top + j,left + k] = arr[startRow + j,k];
233
}
234
}
235
236
Excel.TextBox txtAuthor = (Excel.TextBox)sheet.TextBoxes("txtAuthor");
237
Excel.TextBox txtDate = (Excel.TextBox)sheet.TextBoxes("txtDate");
238
Excel.TextBox txtVersion = (Excel.TextBox)sheet.TextBoxes("txtVersion");
239
240
txtAuthor.Text = "KLY.NET的Blog";
241
txtDate.Text = DateTime.Now.ToShortDateString();
242
txtVersion.Text = "1.0.0.0";
243
}
244
#endregion
245
246
//输出Excel文件并退出
247
try
248
{
249
workBook.SaveAs(outputFile,missing,missing,missing,missing,missing,Excel.XlSaveAsAccessMode.xlExclusive,missing,missing,missing,missing);
250
workBook.Close(null,null,null);
251
app.Workbooks.Close();
252
app.Application.Quit();
253
app.Quit();
254
255
System.Runtime.InteropServices.Marshal.ReleaseComObject(workSheet);
256
System.Runtime.InteropServices.Marshal.ReleaseComObject(workBook);
257
System.Runtime.InteropServices.Marshal.ReleaseComObject(app);
258
259
workSheet=null;
260
workBook=null;
261
app=null;
262
263
GC.Collect();
264
}
265
catch(Exception e)
266
{
267
throw e;
268
}
269
finally
270
{
271
Process[] myProcesses;
272
DateTime startTime;
273
myProcesses = Process.GetProcessesByName("Excel");
274
275
//得不到Excel进程ID，暂时只能判断进程启动时间
276
foreach(Process myProcess in myProcesses)
277
{
278
startTime = myProcess.StartTime;
279
280
if(startTime > beforeTime && startTime < afterTime)
281
{
282
myProcess.Kill();
283
}
284
}
285
}
286
287
}
288
}
289
}
290
DOTNET
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