我有一个 HR Web 应用程序,其中包括工作场所内的组织结构。客户正在发送一个带有工作场所名称及其描述的 .docx 文件。我需要制作一个 C# 应用程序来从 .docx 文件中获取数据并用它更新一些数据库表。
我已经尝试将 .docx 转换为 XML,但我不知道如何从该 XML 中获取数据并将其插入数据库。
有没有更简单的方法可以直接从 .docx 文件更新此数据库,或者我应该使用什么机制在 XML 文件中查找数据。
尝试这个..
下面是到数据库的连接字符串。你可以修改它以适合你的
<connectionStrings>
<add name="conString" connectionString="Data Source=.\SQLEXPRESS;database=dbFiles; Integrated Security=true"/>
</connectionStrings >
首先,我添加了一个 FileUpload 控件、一个按钮和一个标签来显示消息
<asp:FileUpload ID="FileUpload1" runat="server" />
<asp:Button ID="btnUpload" runat="server" Text="Upload"
OnClick="btnUpload_Click" />
<br />
<asp:Label ID="lblMessage" runat="server" Text=""
Font-Names = "Arial"></asp:Label>
这是在 Upload Button Click 事件中调用的代码片段
C#
protected void btnUpload_Click(object sender, EventArgs e)
{
// Read the file and convert it to Byte Array
string filePath = FileUpload1.PostedFile.FileName;
string filename = Path.GetFileName(filePath);
string ext = Path.GetExtension(filename);
string contenttype = String.Empty;
//Set the contenttype based on File Extension
switch(ext)
{
case ".doc":
contenttype = "application/vnd.ms-word";
break;
case ".docx":
contenttype = "application/vnd.ms-word";
break;
case ".xls":
contenttype = "application/vnd.ms-excel";
break;
case ".xlsx":
contenttype = "application/vnd.ms-excel";
break;
case ".jpg":
contenttype = "image/jpg";
break;
case ".png":
contenttype = "image/png";
break;
case ".gif":
contenttype = "image/gif";
break;
case ".pdf":
contenttype = "application/pdf";
break;
}
if (contenttype != String.Empty)
{
Stream fs = FileUpload1.PostedFile.InputStream;
BinaryReader br = new BinaryReader(fs);
Byte[] bytes = br.ReadBytes((Int32)fs.Length);
//insert the file into database
string strQuery = "insert into tblFiles(Name, ContentType, Data)" +
" values (@Name, @ContentType, @Data)";
SqlCommand cmd = new SqlCommand(strQuery);
cmd.Parameters.Add("@Name", SqlDbType.VarChar).Value = filename;
cmd.Parameters.Add("@ContentType", SqlDbType.VarChar).Value
= contenttype;
cmd.Parameters.Add("@Data", SqlDbType.Binary).Value = bytes;
InsertUpdateData(cmd);
lblMessage.ForeColor = System.Drawing.Color.Green;
lblMessage.Text = "File Uploaded Successfully";
}
else
{
lblMessage.ForeColor = System.Drawing.Color.Red;
lblMessage.Text = "File format not recognised." +
" Upload Image/Word/PDF/Excel formats";
}
}
VB.Net
Protected Sub btnUpload_Click(ByVal sender As Object, ByVal e As EventArgs)
' Read the file and convert it to Byte Array
Dim filePath As String = FileUpload1.PostedFile.FileName
Dim filename As String = Path.GetFileName(filePath)
Dim ext As String = Path.GetExtension(filename)
Dim contenttype As String = String.Empty
'Set the contenttype based on File Extension
Select Case ext
Case ".doc"
contenttype = "application/vnd.ms-word"
Exit Select
Case ".docx"
contenttype = "application/vnd.ms-word"
Exit Select
Case ".xls"
contenttype = "application/vnd.ms-excel"
Exit Select
Case ".xlsx"
contenttype = "application/vnd.ms-excel"
Exit Select
Case ".jpg"
contenttype = "image/jpg"
Exit Select
Case ".png"
contenttype = "image/png"
Exit Select
Case ".gif"
contenttype = "image/gif"
Exit Select
Case ".pdf"
contenttype = "application/pdf"
Exit Select
End Select
If contenttype <> String.Empty Then
Dim fs As Stream = FileUpload1.PostedFile.InputStream
Dim br As New BinaryReader(fs)
Dim bytes As Byte() = br.ReadBytes(fs.Length)
'insert the file into database
Dim strQuery As String = "insert into tblFiles" _
& "(Name, ContentType, Data)" _
& " values (@Name, @ContentType, @Data)"
Dim cmd As New SqlCommand(strQuery)
cmd.Parameters.Add("@Name", SqlDbType.VarChar).Value = filename
cmd.Parameters.Add("@ContentType", SqlDbType.VarChar).Value _
= contenttype
cmd.Parameters.Add("@Data", SqlDbType.Binary).Value = bytes
InsertUpdateData(cmd)
lblMessage.ForeColor = System.Drawing.Color.Green
lblMessage.Text = "File Uploaded Successfully"
Else
lblMessage.ForeColor = System.Drawing.Color.Red
lblMessage.Text = "File format not recognised." _
& " Upload Image/Word/PDF/Excel formats"
End If
End Sub
上面的代码只是将上传的文件读取为流,然后使用二进制读取器将流转换为字节数组,最后将字节数组保存到数据库中 InsertUpdateData 方法执行查询以将数据保存在数据库中
InsertUpdateData 函数如下所示
C#
private Boolean InsertUpdateData(SqlCommand cmd)
{
String strConnString = System.Configuration.ConfigurationManager
.ConnectionStrings["conString"].ConnectionString;
SqlConnection con = new SqlConnection(strConnString);
cmd.CommandType = CommandType.Text;
cmd.Connection = con;
try
{
con.Open();
cmd.ExecuteNonQuery();
return true;
}
catch (Exception ex)
{
Response.Write(ex.Message);
return false;
}
finally
{
con.Close();
con.Dispose();
}
}