asp..net2.0文档上传的一个方法（一个上传控件，上传多个文档）

你的名字 2022-09-18 08:50 71阅读 0赞

前台 ：  
　  <table style="width:100%">  
         <tr>  
             <td style="width:15%">  
                 类型名称：</td>  
             <td>  
                <asp:DropDownList ID="TypeDDL" runat="server" Width="100px">  
                 </asp:DropDownList>  
                 &nbsp; &nbsp; &nbsp;<asp:Label ID="Lb1" runat="server" Text="创建人 ："></asp:Label>  
                 <asp:Label ID="WriteLb" runat="server" Text=""></asp:Label>  
                 &nbsp; &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; &nbsp;  
                 <asp:Label ID="Lb2" runat="server" Text="创建时间："></asp:Label>  
                 <asp:Label ID="CreateTimeLb" runat="server" Text=""></asp:Label>  
                 </td>  
          </tr>  
         
          <tr>  
              <td>  
                  文档标题：</td>  
              <td>  
                  <asp:TextBox ID="titleTB" runat="server" Width="300px"></asp:TextBox></td>  
          </tr>  
          <tr>  
              <td>  
                  文档内容：</td>  
              <td>  
                  <asp:TextBox ID="ContentTB" runat="server" TextMode="multiLine" Rows="20" Columns="80"></asp:TextBox></td>  
          </tr>  
           
         <tr>  
             <td>  
                 附件上传：</td>  
             <td>  
                 <input id="FindFile" runat="server" style="width: 370px" type="file" />&nbsp;  
                  
                 <asp:Button ID="addBt" runat="server" Text="上　传" OnClick="addBt\_Click" /></td>    
             </tr>  
           <tr>  
             <td>  
             </td>  
             <td>  
                <asp:DataList ID="viewAttachDL" runat="server" RepeatDirection="Horizontal" BackColor="\#CCCCCC" BorderColor="\#999999" BorderStyle="Solid" BorderWidth="3px" CellPadding="4" CellSpacing="2" ForeColor="Black" GridLines="Both" OnItemCommand="viewAttachDL\_ItemCommand">  
                     <ItemTemplate>  
                         <table>  
                             <tr>  
                               <td align="left"><asp:Label ID="AttachViewLb" runat="server" Text='<%\#Eval("fileName") %>'></asp:Label>  
                               </td>  
                                
                             </tr>  
                             <tr>  
                                <td align="center">  
                                     <asp:ImageButton ID="attachImgBt" CommandName="attachImgBt" runat="server" ImageUrl="~/images/icon-delete.gif" CommandArgument='<%\#Eval("fileid") %>'/>  
                                 </td>  
                             </tr>  
                         </table>  
                     </ItemTemplate>  
                    <FooterStyle BackColor="\#CCCCCC" />  
                    <SelectedItemStyle BackColor="\#000099" Font-Bold="True" ForeColor="White" />  
                    <ItemStyle BackColor="White" />  
                    <HeaderStyle BackColor="Black" Font-Bold="True" ForeColor="White" />  
                 </asp:DataList>  
                  <asp:Label ID="labDetial" runat="server" Text=""></asp:Label>  
                 <asp:Label ID="Document\_AttachStatusLb" runat="server" Text=""></asp:Label>  
                 <asp:Label ID="FileLb" runat="server" Text=""></asp:Label></td>  
          </tr>  
          <tr>  
             <td>  
             </td>  
             <td>  
                 
                 <asp:Button ID="saveBt" runat="server" Text="保　存" OnClick="saveBt\_Click" />  
                  &nbsp; <asp:Button ID="returnBt" runat="server" Text="返　回" OnClick="returnBt\_Click" />  
                <asp:Label ID="labState" runat="server" Text=""></asp:Label></td>  
          </tr>  
           <tr>  
             <td>  
             </td>  
             <td>  
                </td>  
          </tr>  
        </table>  
后台  ：  
using System;  
using System.IO;  
using System.Data;  
using System.Configuration;  
using System.Collections;  
using System.Web;  
using System.Web.Security;  
using System.Web.UI;  
using System.Web.UI.WebControls;  
using System.Web.UI.WebControls.WebParts;  
using System.Web.UI.HtmlControls;  
    public partial class Document\_Add : System.Web.UI.Page  
    \{  
        SQLDataAccess SQLda = new SQLDataAccess();  
        DataTable dt = new DataTable();  
        Function fc = new Function();  
        string TypeID = "-1";  
        ArrayList files = new ArrayList();  
        static ArrayList hif = new ArrayList();  
        int filesUploaded = 0;  
        protected void Page\_Load(object sender, EventArgs e)  
        \{  
            if (!IsPostBack)  
            \{  
                files.Clear();  
                if (Request.Params\["TypeID"\] != null)  
                \{  
                    TypeID = Request.Params\["TypeID"\].ToString();  
                    ViewState\["TypeID"\] = TypeID;  
                    GetRequest();  
                    BindTypeDDL(TypeID);  
                \}  
                else  
                \{  
                    this.Lb1.Visible = false;  
                    this.Lb2.Visible = false;  
                    this.WriteLb.Visible = false;  
                    this.CreateTimeLb.Visible = false;  
                    BindTypeDDL();  
                \}  
            \}  
        \}  
        protected void BindTypeDDL()  
        \{  
            string strCmd = "SELECT \* FROM CompanyDocumentType";  
            dt = SQLda.GetTable(strCmd);  
            this.TypeDDL.DataSource = dt;  
            this.TypeDDL.DataValueField = "TypeID";  
            this.TypeDDL.DataTextField = "TypeName";  
            this.TypeDDL.DataBind();  
        \}  
        protected void BindTypeDDL(string typeid)  
        \{  
            string strCmd = "SELECT \* FROM CompanyDocumentType WHERE TypeID=" + typeid;  
            dt = SQLda.GetTable(strCmd);  
            this.TypeDDL.DataSource = dt;  
            this.TypeDDL.DataValueField = "TypeID";  
            this.TypeDDL.DataTextField = "TypeName";  
            this.TypeDDL.DataBind();  
        \}  
        protected void GetRequest()  
        \{  
            if (ViewState\["TypeID"\] != null)  
            \{  
                TypeID = ViewState\["TypeID"\].ToString();  
            \}  
            if (TypeID != "-1")  
            \{  
                string strTxt = "SELECT \* FROM CompanyDocumentType INNER JOIN xt\_User ON CompanyDocumentType.WriteID=xt\_User.UserID WHERE TypeID=" + TypeID;  
                dt = SQLda.GetTable(strTxt);  
                if (dt.Rows.Count != 0)  
                \{  
                    this.WriteLb.Text = dt.Rows\[0\]\["UserName"\].ToString();  
                    this.CreateTimeLb.Text = fc.GetFormatTime(dt.Rows\[0\]\["CreateTime"\].ToString());  
                \}  
                //string strCmd = "SELECT \* FROM CompanyDocument INNER JOIN CompanyDocumentType ON CompanyDocument.TypeID=CompanyDocumentType.TypeID INNER JOIN xt\_User ON xt\_User.UserID=CompanyDocument.WriteID WHERE CompanyDocument.TypeID=" + TypeID;  
                //dt = SQLda.GetTable(strCmd);  
            \}  
        \}  
        protected void Binddatalist(DataTable DatalistDT)  
        \{  
            if (DatalistDT.Rows.Count != 0)  
            \{  
      
                this.viewAttachDL.DataSource = DatalistDT;  
                this.viewAttachDL.DataBind();  
                this.viewAttachDL.Visible = true;  
            \}  
            else  
            \{  
                this.viewAttachDL.Visible = false;  
            \}  
        \}  
        protected void addBt\_Click(object sender, EventArgs e)  
        \{  
            string Path = "../Company/空类型/", TypeName = "空类型";  
            this.FileLb.Text = "";  
            Document\_AttachStatusLb.Text = "";  
            this.labDetial.Text = "";  
            
            if (ViewState\["Path\_Type\_File"\] == null)  
            \{  
                string strCmd = "SELECT \* FROM CompanyDocumentType WHERE TypeID=" + this.TypeDDL.SelectedValue;  
                dt = SQLda.GetTable(strCmd);  
                if (dt.Rows.Count != 0)  
                \{  
                    TypeName = dt.Rows\[0\]\["TypeName"\].ToString();  
                \}  
                DirectoryInfo dirInfo = new DirectoryInfo(Server.MapPath("../Company/" + TypeName + "/"));  
                Path = Server.MapPath("../Company/" + TypeName + "/");  
                ViewState\["Path"\] = Path;  
                if (!dirInfo.Exists)  
                \{  
                    Directory.CreateDirectory(Server.MapPath("../Company/" + TypeName + "/"));  
                \}  
            \}  
            //检查上传路径是否已经包含此文件  
            bool SaveAs = true;  
            bool fileOK = false;  
            string fn = System.IO.Path.GetFileName(this.FindFile.PostedFile.FileName);  
            string\[\] str = Directory.GetFiles(ViewState\["Path"\].ToString());  
            string fileException = System.IO.Path.GetExtension(fn).ToLower();  
            string\[\] allowedException =\{ ".doc", ".txt" \};  
            if (str.Length != 0)  
            \{//目录下有文件时做出比较  
                for (int j = 0; j < str.Length; j++)  
                \{  
                    if (System.IO.Path.GetFileName(str\[j\]) == System.IO.Path.GetFileName(FindFile.PostedFile.FileName))  
                    \{  
                        SaveAs = false;  
                    \}  
                \}  
                if (SaveAs)  
                \{  
                    for (int i = 0; i < hif.Count; i++)  
                    \{//检查数组当中是否已经存在此文件  
                        HtmlInputFile HIF = hif\[i\] as HtmlInputFile;  
                        if (System.IO.Path.GetFileName(HIF.Value) == System.IO.Path.GetFileName(FindFile.PostedFile.FileName))  
                        \{  
                            SaveAs = false;  
                        \}  
                    \}  
                    if (SaveAs)  
                    \{  
  
                        for (int j = 0; j < allowedException.Length; j++)  
                        \{  
                            if (fileException == allowedException\[j\])  
                                fileOK = true;  
                        \}  
                        if (fileOK)  
                        \{  
                            hif.Add(FindFile);  
                            this.FileLb.Text = System.IO.Path.GetFileName(FindFile.PostedFile.FileName) + " 上传成功！";  
                        \}  
                        else  
                        \{  
                            this.FileLb.Text = "请上传.doc文件，或.txt文件！";  
                        \}  
                    \}  
                    else  
                    \{  
                        this.FileLb.Text = System.IO.Path.GetFileName(FindFile.PostedFile.FileName) + "   文件已经上传,请不要重复上传！";  
                    \}  
                \}  
                else  
                \{  
                    this.FileLb.Text = System.IO.Path.GetFileName(FindFile.PostedFile.FileName) + "   文件已经存在,请检查company下的文件！";  
                \}  
  
            \}  
            else  
            \{//目录下无文件直接保存！  
                for (int i = 0; i < hif.Count; i++)  
                \{//检查数组当中是否已经存在此文件  
                    HtmlInputFile HIF = hif\[i\] as HtmlInputFile;  
                    if (hif.Count >= 1)  
                    \{  
                        if (System.IO.Path.GetFileName(HIF.Value) == System.IO.Path.GetFileName(FindFile.PostedFile.FileName))  
                        \{  
                            SaveAs = false;  
                        \}  
                    \}  
                    else  
                    \{  
                        SaveAs = true;  
                    \}  
                \}  
                if (SaveAs)  
                \{  
                    for (int j = 0; j < allowedException.Length; j++)  
                    \{  
                        if (fileException == allowedException\[j\])  
                            fileOK = true;  
                    \}  
                    if (fileOK)  
                    \{  
                        hif.Add(FindFile);  
                        this.FileLb.Text = System.IO.Path.GetFileName(FindFile.PostedFile.FileName) + " 上传成功！";  
                    \}  
                    else  
                    \{  
                        this.FileLb.Text = "请上传.doc文件，或.txt文件！";  
                    \}  
                \}  
                else  
                \{  
                    this.FileLb.Text = System.IO.Path.GetFileName(FindFile.PostedFile.FileName) + "   文件已经上传,请不要重复上传！";  
                \}  
            \}  
            Binddatalist(GetTable());  
       \}  
        protected void returnBt\_Click(object sender, EventArgs e)  
        \{  
            Response.Redirect("~/DocumentManage/Document\_View.aspx?tag=" + this.TypeDDL.SelectedValue);  
        \}  
        protected DataTable GetTable()  
        \{  
            DataTable dt=new DataTable();  
            DataTable table = new DataTable();  
            table.Columns.Add("fileName");  
            table.Columns.Add("fileid");  
            hif.TrimToSize();  
            int i = 0;  
            foreach(System.Web.UI.HtmlControls.HtmlInputFile HIF in hif)  
            \{  
                DataRow row =table.NewRow();  
                string fn = System.IO.Path.GetFileName(HIF.PostedFile.FileName);  
                row\["fileName"\] = fn;  
                row\["fileid"\] = i++;  
                table.Rows.Add(row);  
            \}  
            dt = table;  
            return dt;  
        \}  
        protected void saveBt\_Click(object sender, EventArgs e)  
        \{  
           string DocumentID = "-1";  
           if (this.titleTB.Text != "")  
           \{  
            if (ViewState\["Path"\] != null)  
            \{//执行代有附件的保存  
                string baseLocation = ViewState\["Path"\].ToString();  
  
                string status = "";  
                 
                int Document\_AttachStatus = -1;  
                int Status = -1;  
  
                this.FileLb.Text = "";  
                Document\_AttachStatusLb.Text = "";  
                this.labDetial.Text = "";  
                int i = 0;  
              
                    foreach (System.Web.UI.HtmlControls.HtmlInputFile HIF in hif)  
                    \{  
                        try  
                        \{  
                            i++;  
                            string fn = System.IO.Path.GetFileName(HIF.PostedFile.FileName);  
                            if (DocumentID == "-1")  
                            \{//生成CompanyDocument内的唯一DocumentID  
                                DocumentID = DateTime.Now.Date.ToString("yyyyMMdd") + DateTime.Now.Hour.ToString() + DateTime.Now.Minute.ToString() + DateTime.Now.Millisecond.ToString();  
                            \}  
                            if (i == 1)  
                            \{//多文件上传只插入一个DocumentID  
                                if (Session\["UserID"\] != null)  
                                \{  
                                    string strCmd1 = "INSERT INTO CompanyDocument(DocumentID,WriteID,TypeID,Tilte,Content) VALUES('"  
                                              + DocumentID + "','" + Session\["UserID"\].ToString() + "','" + this.TypeDDL.SelectedValue + "','" + this.titleTB.Text  
                                              + "','" + this.ContentTB.Text + "')";  
                                    Status = SQLda.ExecuteSQL(strCmd1);  
                                \}  
                                else  
                                \{  
                                    Response.Write("<script>alert('提示:重新登陆!')</script>");  
                                \}  
                            \}  
                            string Txt = "SELECT \* FROM Document\_Attach";  
                            dt = SQLda.GetTable(Txt);  
                            if (dt.Rows.Count != 0)  
                            \{//Document\_Attach表内有数据进行判断  
                                bool InsertAttach = true;  
  
                                for (int j = 0; j < dt.Rows.Count; j++)  
                                \{  
                                    if (dt.Rows\[j\]\["Url"\].ToString() == HIF.PostedFile.FileName.Replace(@"//", @"/"))  
                                    \{  
                                        InsertAttach = false;  
                                    \}  
                                \}  
                                if (InsertAttach)  
                                \{  
                                    string strTxt = "INSERT INTO Document\_Attach(DocumentID,Url) VALUES('"  
                                                                                  + DocumentID + "','" + baseLocation + fn + "')";  
                                    Document\_AttachStatus = SQLda.ExecuteSQL(strTxt);  
                                \}  
                                else  
                                \{  
                                    Document\_AttachStatusLb.Text = "数据库当中已经存在此文件，请重新命名！";  
                                \}  
                            \}  
                            else  
                            \{//Document\_Attach表内无数据，直接插入  
                                string strTxt = "INSERT INTO Document\_Attach(DocumentID,Url) VALUES('"  
                                               + DocumentID + "','" + baseLocation + fn + "')";  
                                Document\_AttachStatus = SQLda.ExecuteSQL(strTxt);  
                            \}  
                            if (Document\_AttachStatus > 0)  
                            \{  
                                HIF.PostedFile.SaveAs(baseLocation + fn);  
                                filesUploaded++;  
                                status += fn + "<br>";  
                                labDetial.Text = status + " 文件上传成功:<br>";  
                            \}  
  
                        \}  
                        catch (Exception err)  
                        \{  
                            labDetial.Text = "错误 文件保存 " + baseLocation  
                                                               + "<br>" + err.ToString();  
                        \}  
                    \}  
                
              
            \}  
            else  
            \{//执行无附件的保存  
                if (DocumentID == "-1")  
                \{//生成CompanyDocument内的唯一DocumentID  
                    DocumentID = DateTime.Now.Date.ToString("yyyyMMdd") + DateTime.Now.Hour.ToString() + DateTime.Now.Minute.ToString() + DateTime.Now.Millisecond.ToString();  
                \}  
          
                if (Session\["UserID"\] != null)  
                \{  
                    string strCmd1 = "INSERT INTO CompanyDocument(DocumentID,WriteID,TypeID,Tilte,Content) VALUES('"  
                              + DocumentID + "','" + Session\["UserID"\].ToString() + "','" + this.TypeDDL.SelectedValue + "','" + this.titleTB.Text  
                              + "','" + this.ContentTB.Text + "')";  
                    int Status = SQLda.ExecuteSQL(strCmd1);  
                \}  
                else  
                \{  
                    Response.Write("<script>alert('提示:重新登陆!')</script>");  
                \}  
               
            \}  
              hif.Clear();  
              this.titleTB.Text = "";  
              this.ContentTB.Text = "";  
              this.labDetial.Text = "保存成功！";  
              Binddatalist(GetTable());  
            \}  
            else  
            \{//this.titleTB.Text == ""  
                labDetial.Text = "提示：请填写文档标题";  
                Binddatalist(GetTable());  
                return;  
            \}  
        \}  
        protected void viewAttachDL\_ItemCommand(object source, DataListCommandEventArgs e)  
        \{  
            if (e.CommandName == "attachImgBt")  
            \{  
                int fileid =Int32.Parse(e.CommandArgument.ToString());  
                hif.RemoveAt(fileid);  
                Binddatalist(GetTable());  
                this.FileLb.Text = "";  
                Document\_AttachStatusLb.Text = "";  
                this.labDetial.Text = "";  
             \}  
        \}  
\}//end\_class