xml保存图片和读取图片
2012-06-07 00:48
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以下是我做过的一个利用xml保存图片和读取图片的小项目,项目名称:WebForm_Question2:
主页面:index.aspx
图片列表:ImageList.aspx
显示图片:ImagDisplay.aspx
xml文件:ImageList.xml
1.:index.aspx页面
2.index.aspx.cs页面
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原文出处:当当网李燕平
/article/4780292.html
主页面:index.aspx
图片列表:ImageList.aspx
显示图片:ImagDisplay.aspx
xml文件:ImageList.xml
<?xml version="1.0" encoding="utf-8"?> <imagelist> <image> <imageID>1</imageID> <imagepath>C:\Documents and Settings\Administrator\My Documents\image\新建文件夹\it1.jpg</imagepath> <imageinfo>图片1</imageinfo> <imagesize>3563</imagesize> 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</image> <image> <imageID>2</imageID> <imagepath>C:\Documents and Settings\Administrator\My Documents\image\新建文件夹\re.jpg</imagepath> <imageinfo>图片2</imageinfo> <imagesize>4937</imagesize> <imagedata>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</image> </imagelist>
1.:index.aspx页面
<%@ Page language="c#" Codebehind="index.aspx.cs" AutoEventWireup="false" Inherits="WebForm_Question2.index" %> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" > <HTML> <HEAD> <title>index</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"> <TABLE id="Table1" style="Z-INDEX: 100; LEFT: 112px; WIDTH: 744px; POSITION: absolute; TOP: 48px; HEIGHT: 324px" cellSpacing="1" cellPadding="1" width="744" border="1"> <TR> <TD style="HEIGHT: 32px" colspan="2" align="center"><FONT face="宋体"> <asp:Label id="Label1" runat="server" Width="80px" ForeColor="#000040" Font-Bold="True" Font-Size="Larger">主页面</asp:Label></FONT></TD> </TR> <TR> <TD style="WIDTH: 70px; HEIGHT: 32px">读取图片</TD> <TD style="HEIGHT: 32px"><INPUT id="upImage" style="WIDTH: 328px; HEIGHT: 22px" type="file" size="35" name="File1" runat="server"> <asp:Button id="btnUp_img" runat="server" Text="显示图片信息"></asp:Button></TD> </TR> <TR> <TD style="WIDTH: 70px; HEIGHT: 20px">图片显示</TD> <TD style="HEIGHT: 20px"> <asp:Image id="ImageSmall" runat="server"></asp:Image></TD> </TR> <TR> <TD style="WIDTH: 70px; HEIGHT: 16px">图片路径</TD> <TD style="HEIGHT: 16px"> <asp:Label id="Lab_imgpath" runat="server"></asp:Label></TD> </TR> <TR> <TD style="WIDTH: 70px; HEIGHT: 5px">图片大小</TD> <TD style="HEIGHT: 5px"> <asp:Label id="Lab_size" runat="server"></asp:Label></TD> </TR> <TR> <TD style="WIDTH: 70px">图片说明</TD> <TD> <asp:TextBox id="Txt_imginfo" runat="server" TextMode="MultiLine" Width="645px" Height="144px"></asp:TextBox></TD> </TR> <TR> <TD style="WIDTH: 70px"></TD> <TD> <asp:Button id="Btn_Add" runat="server" Text="添加图片信息到XML文件"></asp:Button> <asp:Label id="Lab_message" runat="server" ForeColor="Red" Font-Bold="True"></asp:Label></TD> </TR> <TR> <TD style="WIDTH: 70px"></TD> <TD> <asp:HyperLink id="HyperLink2" runat="server" NavigateUrl="ImageList.aspx">图片列表</asp:HyperLink><FONT face="宋体"> </FONT> <asp:HyperLink id="HyperLink1" runat="server" NavigateUrl="ImageList.xml">查看XMl文件</asp:HyperLink></TD> </TR> </TABLE> </form> </body> </HTML>
2.index.aspx.cs页面
View Code
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; namespace WebForm_Question2 { /// <summary> /// ImageList 的摘要说明。 /// </summary> public class ImageList : System.Web.UI.Page { protected System.Web.UI.WebControls.Label Label1; protected System.Web.UI.WebControls.HyperLink HyperLink2; protected System.Web.UI.WebControls.HyperLink HyperLink1; protected System.Web.UI.WebControls.DataGrid DG_ImageList; private void Page_Load(object sender, System.EventArgs e) { // 在此处放置用户代码以初始化页面 if(!IsPostBack) { ViewState["SortField"] = "imagesize"; //默认排序字段 BindDG(); } } #region Web 窗体设计器生成的代码 override protected void OnInit(EventArgs e) { // // CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。 // InitializeComponent(); base.OnInit(e); } /// <summary> /// 设计器支持所需的方法 - 不要使用代码编辑器修改 /// 此方法的内容。 /// </summary> private void InitializeComponent() { this.DG_ImageList.PageIndexChanged += new System.Web.UI.WebControls.DataGridPageChangedEventHandler(this.DG_ImageList_PageIndexChanged); this.DG_ImageList.ItemDataBound += new System.Web.UI.WebControls.DataGridItemEventHandler(this.DG_ImageList_ItemDataBound); this.DG_ImageList.SortCommand += new System.Web.UI.WebControls.DataGridSortCommandEventHandler(this.DataGrid_Sort); this.Load += new System.EventHandler(this.Page_Load); } #endregion #region 将ImageList.xml文件绑定DataGrid中 private void BindDG() { DataSet ds = new DataSet(); ds.ReadXml(Server.MapPath("ImageList.xml")); DataView dv = (DataView)ds.Tables[0].DefaultView; //设置排序的表达式 dv.Sort = SortField; if (!SortAscending) { //定义默认的排序表达式 dv.Sort += " DESC"; } this.DG_ImageList.DataSource = ds.Tables[0]; this.DG_ImageList.DataBind(); } #endregion #region 排序事件处理程序 public void DataGrid_Sort(Object sender,DataGridSortCommandEventArgs e) { //对DataGrid排序 this.DG_ImageList.CurrentPageIndex = 0; SortField = e.SortExpression; BindDG(); //重新绑定数据 } string SortField { get { object obj = ViewState["SortField"]; if (obj == null) { return String.Empty; } return (string)obj; } set { if (value == SortField) { SortAscending = !SortAscending; } ViewState["SortField"] = value; } } //排序方式 bool SortAscending { get { object obj = ViewState["SortAscending"]; if (obj == null) { return true; } return (bool)obj; } set { ViewState["SortAscending"] = value; } } #endregion #region DataGrid分页事件 private void DG_ImageList_PageIndexChanged(object source, System.Web.UI.WebControls.DataGridPageChangedEventArgs e) { this.DG_ImageList.CurrentPageIndex = e.NewPageIndex; BindDG(); } #endregion #region 鼠标经过事件 private void DG_ImageList_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e) { if ((e.Item.ItemType == ListItemType.Item) | (e.Item.ItemType == ListItemType.AlternatingItem) ) { e.Item.Attributes.Add("onmouseover", "this.style.backgroundColor='#E4EDF9'"); e.Item.Attributes.Add("onmouseout", "this.style.backgroundColor='#ffffff'"); } } #endregion } }
原文出处:当当网李燕平
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