C#实现把图片下载到服务器代码
ASPX页面代码：
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<%@ 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：
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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
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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。
