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C#利用XML创建Excel文档的实现方法

2019年07月18日  | 移动技术网IT编程  | 我要评论

一般来说c#在不安装excel软件的情况下，可以通过xml来创建excel文档。因此，运行本文所述代码您无需安装excel程序。本文原例子是使用vb.net写的，以下的用c#改写的代码，分享给大家，供大家参考。

具体代码如下：

dataset mdsdata = new dataset();
mdsdata.tables.add("mytable");
mdsdata.tables["mytable"].columns.add("id");
mdsdata.tables["mytable"].columns.add("name");
mdsdata.tables["mytable"].columns.add("password");
for (int i = 0; i < 10; i++)
{
  datarow dr = mdsdata.tables["mytable"].newrow();
  dr["id"] = i;
  dr["name"] = i;
  dr["password"] = i;
  mdsdata.tables["mytable"].rows.add(dr);
}
savefiledialog dialog1 = new savefiledialog();
dialog1.addextension = true;
dialog1.checkpathexists = true;
dialog1.filter = "excel workbooks (*.xls) | *.xls";
dialog1.overwriteprompt = true;
dialog1.title = "save excel formatted report";
if (dialog1.showdialog() == dialogresult.ok)
{
  int num2 = 0;
  int num3 = mdsdata.tables[0].rows.count + 1;
  int num1 = mdsdata.tables[0].columns.count;
  num2 = 0;
  string text1 = dialog1.filename;
  if (file.exists(text1))
  {
    file.delete(text1);
  }
  streamwriter writer1 = new streamwriter(text1, false);
  streamwriter writer2 = writer1;
  writer2.writeline("<?xml version=\"1.0\"?>");
  writer2.writeline("<?mso-application progid=\"excel.sheet\"?>");
  writer2.writeline("<workbook xmlns=\"urn:schemas-microsoft-com:office:spreadsheet\"");
  writer2.writeline(" xmlns:o=\"urn:schemas-microsoft-com:office:office\"");
  writer2.writeline(" xmlns:x=\"urn:schemas-microsoft-com:office:excel\"");
  writer2.writeline(" xmlns:ss=\"urn:schemas-microsoft-com:office:spreadsheet\"");
  writer2.writeline(" xmlns:html=\"http://www.w3.org/tr/rec-html40\">");
  writer2.writeline(" <documentproperties xmlns=\"urn:schemas-microsoft-com:office:office\">");
  writer2.writeline(" <author>automated report generator example</author>");
  writer2.writeline(string.format(" <created>{0}t{1}z</created>", datetime.now.tostring("yyyy-mm-dd"), datetime.now.tostring("hh:mm:ss")));
  writer2.writeline(" <company>your company here</company>");
  writer2.writeline(" <version>11.6408</version>");
  writer2.writeline(" </documentproperties>");
  writer2.writeline(" <excelworkbook xmlns=\"urn:schemas-microsoft-com:office:excel\">");
  writer2.writeline(" <windowheight>8955</windowheight>");
  writer2.writeline(" <windowwidth>11355</windowwidth>");
  writer2.writeline(" <windowtopx>480</windowtopx>");
  writer2.writeline(" <windowtopy>15</windowtopy>");
  writer2.writeline(" <protectstructure>false</protectstructure>");
  writer2.writeline(" <protectwindows>false</protectwindows>");
  writer2.writeline(" </excelworkbook>");
  writer2.writeline(" <styles>");
  writer2.writeline(" <style ss:id=\"default\" ss:name=\"normal\">");
  writer2.writeline("  <alignment ss:vertical=\"bottom\"/>");
  writer2.writeline("  <borders/>");
  writer2.writeline("  <font/>");
  writer2.writeline("  <interior/>");
  writer2.writeline("  <protection/>");
  writer2.writeline(" </style>");
  writer2.writeline(" <style ss:id=\"s21\">");
  writer2.writeline("  <alignment ss:vertical=\"bottom\" ss:wraptext=\"1\"/>");
  writer2.writeline(" </style>");
  writer2.writeline(" </styles>");
  writer2.writeline(" <worksheet ss:name=\"myreport\">");
  writer2.writeline(string.format(" <table ss:expandedcolumncount=\"{0}\" ss:expandedrowcount=\"{1}\" x:fullcolumns=\"1\"", num1.tostring(), num3.tostring()));
  writer2.writeline("  x:fullrows=\"1\">");
  foreach (datarow row1 in mdsdata.tables[0].rows)
  {
    writer2.writeline("<row>");
    for (num2 = 0; num2 != num1; num2++)
    {
      writer2.write("<cell ss:styleid=\"s21\"><data ss:type=\"string\">");
      writer2.write(row1[num2].tostring());
      writer2.writeline("</data></cell>");
    }
    writer2.writeline("</row>");
  }
  writer2.writeline(" </table>");
  writer2.writeline(" <worksheetoptions xmlns=\"urn:schemas-microsoft-com:office:excel\">");
  writer2.writeline("  <selected/>");
  writer2.writeline("  <panes>");
  writer2.writeline("  <pane>");
  writer2.writeline("   <number>3</number>");
  writer2.writeline("   <activerow>1</activerow>");
  writer2.writeline("  </pane>");
  writer2.writeline("  </panes>");
  writer2.writeline("  <protectobjects>false</protectobjects>");
  writer2.writeline("  <protectscenarios>false</protectscenarios>");
  writer2.writeline(" </worksheetoptions>");
  writer2.writeline(" </worksheet>");
  writer2.writeline(" <worksheet ss:name=\"sheet2\">");
  writer2.writeline(" <worksheetoptions xmlns=\"urn:schemas-microsoft-com:office:excel\">");
  writer2.writeline("  <protectobjects>false</protectobjects>");
  writer2.writeline("  <protectscenarios>false</protectscenarios>");
  writer2.writeline(" </worksheetoptions>");
  writer2.writeline(" </worksheet>");
  writer2.writeline(" <worksheet ss:name=\"sheet3\">");
  writer2.writeline(" <worksheetoptions xmlns=\"urn:schemas-microsoft-com:office:excel\">");
  writer2.writeline("  <protectobjects>false</protectobjects>");
  writer2.writeline("  <protectscenarios>false</protectscenarios>");
  writer2.writeline(" </worksheetoptions>");
  writer2.writeline(" </worksheet>");
  writer2.writeline("</workbook>");
  writer2 = null;
  writer1.close();
  messagebox.show("report created", "success", messageboxbuttons.ok, messageboxicon.asterisk);
}

这只是主要的代码，使用前需要此入using相应的命名空间，如果不知道需要哪个命名空间，可在编译时根据提示逐个添加。

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