xml保存图片和读取图片（三）
5.ImageDisplay.aspx
<%@ Page language="c#" Codebehind="ImageDisplay.aspx.cs" AutoEventWireup="false" Inherits="WebForm_Question2.ImageDisplay" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>ImageDisplay</title>
<meta name="GENERATOR" Content="Microsoft Visual Studio .NET 7.1">
<meta name="CODE_LANGUAGE" Content="C#">
<meta name="vs_defaultClientScript" content="JavaScript">
<meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5">
</HEAD>
<body MS_POSITIONING="GridLayout">
<form id="Form1" method="post" runat="server">
<FONT face="宋体"></FONT>
</form>
</body>
</HTML>
6.ImageDisplay.aspx.cs
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Xml;
using System.Xml.XPath;
using System.IO;
namespace WebForm_Question2
{
/// <summary>
/// ImageDisplay 的摘要说明。
/// </summary>
public class ImageDisplay : System.Web.UI.Page
{
private void Page_Load(object sender, System.EventArgs e)
{
// 在此处放置用户代码以初始化页面
string imageID=Request.QueryString["imageID"].ToString();
string fileName = Server.MapPath(".\\ImageList.xml");
XmlDocument doc = new XmlDocument();
doc.Load(fileName);
XmlNodeList nodelist = doc.SelectSingleNode("//image[imageID='"+imageID+"']").ChildNodes;
if(nodelist!=null)
{
string imageData =nodelist.Item(4).InnerText;
int imageSize = int.Parse(nodelist.Item(3).InnerText);
Response.OutputStream.Write(Convert.FromBase64String(imageData),0,imageSize);
Response.End();
}
}
Web 窗体设计器生成的代码
}
}
<%@ Page language="c#" Codebehind="ImageDisplay.aspx.cs" AutoEventWireup="false" Inherits="WebForm_Question2.ImageDisplay" %><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" ><HTML> <HEAD> <title>ImageDisplay</title> <meta name="GENERATOR" Content="Microsoft Visual Studio .NET 7.1"> <meta name="CODE_LANGUAGE" Content="C#"> <meta name="vs_defaultClientScript" content="JavaScript"> <meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5"> </HEAD> <body MS_POSITIONING="GridLayout"> <form id="Form1" method="post" runat="server"> <FONT face="宋体"></FONT> </form> </body></HTML>6.ImageDisplay.aspx.cs
using System;using System.Collections;using System.ComponentModel;using System.Data;using System.Drawing;using System.Web;using System.Web.SessionState;using System.Web.UI;using System.Web.UI.WebControls;using System.Web.UI.HtmlControls;using System.Xml;using System.Xml.XPath;using System.IO;namespace WebForm_Question2{
/// <summary> /// ImageDisplay 的摘要说明。 /// </summary> public class ImageDisplay : System.Web.UI.Page { private void Page_Load(object sender, System.EventArgs e) { // 在此处放置用户代码以初始化页面 string imageID=Request.QueryString["imageID"].ToString(); string fileName = Server.MapPath(".\\ImageList.xml"); XmlDocument doc = new XmlDocument(); doc.Load(fileName); XmlNodeList nodelist = doc.SelectSingleNode("//image[imageID='"+imageID+"']").ChildNodes; if(nodelist!=null) { string imageData =nodelist.Item(4).InnerText; int imageSize = int.Parse(nodelist.Item(3).InnerText); Response.OutputStream.Write(Convert.FromBase64String(imageData),0,imageSize); Response.End(); } } Web 窗体设计器生成的代码 }}
作者：青羽
