文件上传------c#

原理：把要上传的文件读入一个字节数组！在服务器端的指定路径，生成一个文件，并把该字节数组写入！
一。file.aspx文件代码：

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="FileUpLoad.aspx.cs" Inherits="FileUpLoad"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
<title>水情信息发布</title>
<link rel="stylesheet" type="text/css" href="css/style.css"/>

</head>

var yToolbars = new Array();
    var YInitialized = false;
    var pureText=true
    var bodyTag="<head><style type=\"text/css\">body {font-size: 9pt}</style><meta http-equiv=Content-Type content=\"text/html; charset=gb2312\"></head><BODY bgcolor=\"#FFFFFF\" MONOSPACE>"

    public_description=new Editor
    //使IFRAME可以写入值

function document.onreadystatechange(){
       HtmlEdit.document.open();
      HtmlEdit.document.write(bodyTag);
      HtmlEdit.document.close();
      HtmlEdit.document.designMode="On";
    }

function InitBtn(btn)
    {
      btn.onmouseover = BtnMouseOver;
      btn.onmouseout = BtnMouseOut;
      btn.onmousedown = BtnMouseDown;
      btn.onmouseup = BtnMouseUp;
      btn.YINITIALIZED = true;
      return true;
    }

//页脚显示
    function BtnMouseOver()
    {
      if (event.srcElement.tagName != "IMG") return false;
      var image = event.srcElement;
      var element = image.parentElement;

if (image.className == "Ico") element.className = "BtnMouseOverUp";
else if (image.className == "IcoDown") element.className = "BtnMouseOverDown";

event.cancelBubble = true;
}

function BtnMouseOut()
    {
      if (event.srcElement.tagName != "IMG") {
        event.cancelBubble = true;
        return false;
      }

var image = event.srcElement;
var element = image.parentElement;
yRaisedElement = null;

element.className = "Btn";
image.className = "Ico";

event.cancelBubble = true;
}

function BtnMouseDown()
    {
      if (event.srcElement.tagName != "IMG") {
        event.cancelBubble = true;
        event.returnValue=false;
        return false;
      }

var image = event.srcElement;
var element = image.parentElement;

element.className = "BtnMouseOverDown";
image.className = "IcoDown";

event.cancelBubble = true;
      event.returnValue=false;
      return false;
    }

function BtnMouseUp()
    {
      if (event.srcElement.tagName != "IMG") {
        event.cancelBubble = true;
        return false;
      }

var image = event.srcElement;
var element = image.parentElement;

if (element.YUSERONCLICK) eval(element.YUSERONCLICK + "anonymous()");

element.className = "BtnMouseOverUp";
image.className = "Ico";

event.cancelBubble = true;
      return false;
    }
//字体颜色

    function format(what,opt)
    {
      if (opt=="removeFormat")
      {
        what=opt;
        opt=null;
      }

if (opt==null) HtmlEdit.document.execCommand(what);
else HtmlEdit.document.execCommand(what,"",opt);

pureText = false;
HtmlEdit.focus();
}

<body>

    <form id="form1" enctype="multipart/form-data" runat="server">
    <div align="center">
      <table class="STB" border ="1" width ="470px">
           <tr >
             <td colspan="2" height ="100px" class="SC_B SF_T" align="center">水情信息发布
             </td>
           </tr>

           <tr>
             <td class="SF_BL" width ="147px" height ="35px" align ="right">
                       文件名</td>
             <td align ="left">
               <input type ="file" id="FileUpLoad" runat="server" style="width: 295px" />
             </td>
           </tr>

           <tr>
             <td class="SF_BL" width ="147px" height ="35px" align ="right">
                   标题</td>
             <td class="SF_BR" width ="300px" align ="left" style="height: 35px">
                   <asp:TextBox   ID="txtTitle" runat="server" Width="288px"></asp:TextBox>
             </td>
           </tr>

           <tr>
            <td class="SF_BL" width ="147px" height ="35px" align ="right">
                   说明文</td>

             <td class="SF_BR" width ="300px" height ="165px" align ="left">
                  <img src="data:image/fgcolor.gif" align="absmiddle" width="16" height="16" οnclick="foreColor()" title="字体颜色" > 
                  <img src="data:image/bold.gif" align="absmiddle" alt="粗体" οnclick="format('bold', '')" style="cursor: hand;">
                  <img src="data:image/italic.gif" align="absmiddle" alt="斜体" οnclick="format('italic', '')" style="cursor: hand;">
                  <img src="data:image/underline.gif" align="absmiddle" alt="下划线" οnclick="format('underline', '')" style="cursor: hand;">
                   <select language="javascript" id="select1" onChange="format('fontname',this[this.selectedIndex].value);" name="select" onMouseOver="window.status='选择选定文字的字体。';return true;" onMouseOut="window.status='';return true;" style="width: 62px">
                  
                    <option value="宋体">宋体</option>
                    <option value="楷体_GB2312">楷体</option>
                    <option value="新宋体">新宋体</option>
                    <option value="黑体">黑体</option>
                    <option value="隶书">隶书</option>
                    <option value="幼圆">幼圆</option>
                    <OPTION value="Andale Mono">Andale Mono</OPTION>
                    <OPTION value=Arial>Arial</OPTION>
                    <OPTION value="Arial Black">Arial Black</OPTION>
                    <OPTION value="Book Antiqua">Book Antiqua</OPTION>
                    <OPTION value="Century Gothic">Century Gothic</OPTION>
                    <OPTION value="Comic Sans MS">Comic Sans MS</OPTION>
                    <OPTION value="Courier New">Courier New</OPTION>
                    <OPTION value=Georgia>Georgia</OPTION>
                    <OPTION value=Impact>Impact</OPTION>
                    <OPTION value=Tahoma>Tahoma</OPTION>
                    <OPTION value="Times New Roman" >Times New Roman</OPTION>
                    <OPTION value="Trebuchet MS">Trebuchet MS</OPTION>
                    <OPTION value="Script MT Bold">Script MT Bold</OPTION>
                    <OPTION value=Stencil>Stencil</OPTION>
                    <OPTION value=Verdana>Verdana</OPTION>
                    <OPTION value="Lucida Console">Lucida Console</OPTION>
                  </select>
                  <select language="javascript" id="select2" title="字号大小" onChange="format('fontsize',this[this.selectedIndex].value);" name="select" onMouseOver="window.status='选择选定文字的字号大小。';return true;" onMouseOut="window.status='';return true;">
                    <option value="7">一号
                    <option value="6">二号
                    <option value="5">三号
                    <option value="4">四号
                    <option value="3">五号
                    <option value="2">六号
                    <option value="1">七号</option>
                  </select>
                   <iframe class="HtmlEdit" id="HtmlEdit" MARGINHEIGHT="1" MARGINWIDTH="1" width="280" height="135" scrolling="auto" style="width: 292px" >
                  </iframe>

</td>
           </tr>

            <tr>
             <td class="SF_BL" width ="147px" height ="35px" align ="right">
                   上传人</td>
             <td class="SF_BR" width ="300px" align ="left" style="height: 35px">
                   <asp:TextBox   ID="txtUser" runat="server" Width="284px"></asp:TextBox>
             </td>
           </tr>
            <tr>
                <td colspan="2" class="SC_B" height ="50px" align="center">
                <input type ="button" value ="提交" onclick ="test()" />
               </td>
            </tr>
     </table>
      <OBJECT   id="dlgHelper"   CLASSID="clsid:3050f819-98b5-11cf-bb82-00aa00bdce0b"   width="0px"   height="0px"></OBJECT>
</div>
</form>
</body>
</html>
二。后台文件，FileUpLoad.aspx.cs

using System;
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;
using System.Xml;
using AjaxPro;
using System.IO;
using System.Text;
using System.Data.SqlClient;
using BaseCommon.DbCommon;
using BaseCommon.Exp;
using BaseCommon.ValueObject;

public partial class FileUpLoad : BaseCommon.BasePage.BasePage
{
    protected void Page_Load(object sender, EventArgs e)
    {
        AjaxPro.Utility.RegisterTypeForAjax(typeof(XinXiFaBuPage));
    }

/// <summary>
    /// 文件上传
    /// </summary>
    /// <param name="strFile">客户端文件路径</param>
    /// <returns></returns>
    [AjaxPro.AjaxMethod()]
    public string GetFileInfo(string strFile)
    {

FileStream fs = new FileStream(strFile, FileMode.Open, FileAccess.Read);
        BinaryReader binReader = new BinaryReader(fs);
        byte[] buffer = binReader.ReadBytes((int)fs.Length);
        binReader.Close();

//文件扩展名

string strExtension = System.IO.Path.GetExtension(strFile);

//文件名

string strWithoutExtension = System.IO.Path.GetFileNameWithoutExtension(strFile);
string strFileTemp = strWithoutExtension + strExtension;

WebService web = new WebService();

web.bytes = buffer;
        try
        {
            web.CreatFile(Server.MapPath("../") + "Config.config", strFileTemp);

return strFileTemp;
        }
        catch (Exception ex)
        {
            return Server.MapPath("../") + "Config.config";
        }

return strFileTemp;
}

#region 向数据库里添加数据

/// <summary>
/// 向数据库里添加数据

/// </summary>
    /// <param name="strUser">上传人</param>
    /// <param name="strFile">文件名</param>
    /// <param name="strInfo">文件说明</param>
    /// <param name="strTitle">文件标题</param>
    [AjaxPro.AjaxMethod()]
    public string Insert(string strUser, string strFile, string strInfo, string strTitle)
    {
        try
        {
            //方法开始log出力
            fxLog.StartMethodLog("XinXiFaBuPage.aspx.cs", "Insert");

string dtNow = DateTime.Now.ToString();

//打开连接
DataBase db = new DataBase();

db.OpenConn();

SqlConnection scon = db.GetConn();

//设置命令SQL语句
            string strSQL = "INSERT   INTO   SL_FILEINFO (USRNAME,TM,FILENAME,TITLE,CONTENT)   Values('" + strUser + "','" + dtNow + "', '" + strFile + "', '" + strTitle + "','" + strInfo + "')";
            SqlCommand Cmd = new SqlCommand(strSQL, scon);

//执行
Cmd.ExecuteNonQuery();

//关闭数据库

scon.Close();

//方法结束log出力
fxLog.EndMethodLog("XinXiFaBuPage.aspx.cs", "Insert");

return "1";
        }
        catch (Exception ex)
        {
            //错误 LOG 处理
            logVo.LogLevel = SysLog.LogLevel.ERROR;
            logVo.ex = ex;
            logVo.LogMsg = "";
            fxLog.LogWrite(logVo);
            throw new UIException(ex);
            return "0";
        }
    }

#endregion

}

转载于:https://www.cnblogs.com/yansheng9988/archive/2008/01/28/1056309.html

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