C#实现把图片下载到服务器代码
ASPX页面代码：
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="GetPictureByUrl.aspx.cs" Inherits="HoverTreeMobile.GetPictureByUrl" %> <!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> <meta name="viewport" content="width=device-width, initial-scale=1" /> <title>根据网址把图片下载到服务器</title> </head> <body> <form id="form1" runat="server"> <div> 图片网址：<br /><asp:TextBox runat="server" ID="textBoxImgUrl" Width="500" Text="/hvtimg/201508/cnvkv745.jpg" /> <br /> <asp:Button runat="server" ID="btnImg" Text="下载" OnClick="btnImg_Click" /> <br /><asp:Image runat="server" ID="hvtImg" /> <br /> <asp:Literal runat="server" ID="ltlTips" /> </div> </form> </body> </html>
cs页面代码：
using System;
namespace HoverTreeMobile
{
public partial class GetPictureByUrl : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void btnImg_Click(object sender, EventArgs e)
{
try
{
System.Net.WebClient m_hvtWebClient = new System.Net.WebClient();
string m_keleyiPicture = Server.MapPath("/hovertreeimages/keleyi.jpg");
//根据网址下载文件
m_hvtWebClient.DownloadFile(textBoxImgUrl.Text, m_keleyiPicture);
hvtImg.ImageUrl = "/hovertreeimages/keleyi.jpg";
ltlTips.Text = string.Empty;
}
catch(Exception ex)
{
ltlTips.Text = ex.ToString();
}
}
}
}
另外给大家分享一下下载图片的核心方法的思路
using System.Net;
WebClient myclient = new WebClient();
myclient.DownloadFile("http://www.baidu.com/img/sslm_logo.gif",@"c:\baidu.gif");
DownloadFile方法里的address就是你要拼成的远程服务器上的URL.
好了，小伙伴们是否有了新的认识了呢，希望大家能够喜欢。
原文：http://www.jb51.net/article/74883.htm