根据网址把图片下载到服务器C#代码
ASPX页面代码:
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="GetPictureByUrl.aspx.cs" Inherits="HoverTreeMobile.GetPictureByUrl" %><!DOCTYPE html><html ="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 - 何问起</title></head><body> <form id="form1" runat="server"> <div> 图片网址:<br /><asp:TextBox runat="server" ID="textBoxImgUrl" Width="500" Text="http://hovertree.com/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(); } } }}
HoverTree 开源项目
新增根据网址把图片下载到服务器功能
请看 HoverTreeMobile 项目
http://hovertree.com
何问起
源代码下载 http://files.cnblogs.com/files/jihua/hovertreeCode.rar
http://www.cnblogs.com/jihua/p/webfront.html
原标题:根据网址把图片下载到服务器C#代码
关键词:C#