C#下载远程服务器文件到本地服务器
<%@ Page Language="C#" ContentType="text/html" ResponseEncoding="gb2312" %><script language="c#" runat="server">private void Page_Load(object sender,EventArgs e)
{
}protected void ImgUrl_Click(object sender,EventArgs e){ string strURL = ImgUrl.Text.ToString().Trim(); string strName = ImgName.Text.ToString().Trim(); if (strURL == "") 
{
Msg.Text = "<font color=red>请输入图片地址!</font>"; return;
} if (strName == "") strName = "download.gif"; System.Net.WebClient myWebClient = new System.Net.WebClient(); Msg.Text = "<font color=green>图片下载成功!</font><br><br><img src=\"" + strName + "\">"; try { myWebClient.DownloadFile(strURL,Server.MapPath(strName)); } catch { Msg.Text = "<font color=red>出现错误,可能输入地址有误!</font>"; return; }}</script><html><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312"><title>下载图片</title><style type="text/css">td { font-size:12px;}</style></head><body><form runat="server"><table width="500" height="143" border="0" align="center" cellpadding="0" cellspacing="0"> <tr> <td>请输入图片路径: <asp:TextBox ID="ImgUrl" runat="server" Width="300" Text="http://"; onMouseOver="this.select()"></asp:TextBox> <br><br> 请输入保存名称: <asp:TextBox ID="ImgName" runat="server" Width="200"></asp:TextBox> <asp:Button ID="Get" runat="server" Text="下载" onClick="ImgUrl_Click"></asp:Button> <br><br> <asp:Label ID="Msg" runat="server"></asp:Label> </td> </tr></table></form></body></html>
