asp.net图片浏览器效果

发布时间：2020-12-16 09:18:49 所属栏目：asp.Net 来源：网络整理

导读：技术来源于同学会实践前台设计 %@ Page Language="C#" AutoEventWireup="true" CodeFile="txh.aspx.cs" Inherits="txh" % ? !DOCTYPE html ? html xmlns="http://www.w3.org/1999/xhtml" head runat="server" meta http-equiv="Content-Type" content="text

技术来源于同学会实践

前台设计

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="txh.aspx.cs" Inherits="txh" %>

<!DOCTYPE html>

????<title>30周年同学会照片原生态无删减</title>

????<script type="text/javascript" src="scripts/bootstrap_v30/jquery/jquery-1.8.3.min.js"></script>

????<script type="text/javascript" src="scripts/layer/layer.js"></script>

????<link href="sheet/StyleSheet1.css" rel="stylesheet" />

????<style type="text/css">

????????.auto-style1 {

????????????width: 100%;

????????}

????</style>

</head>

<body>

????<form id="form1" runat="server">

????<div>

????

????????<table align="center" class="auto-style1">

????????????<tr>

????????????????<td style="text-align: center">

????????????????????<asp:ScriptManager ID="ScriptManager1" runat="server">

????????????????????</asp:ScriptManager>

????????????????</td>

????????????</tr>

????????????<tr>

????????????????<td style="text-align: center">

????????????????????<asp:UpdatePanel ID="UpdatePanel1" runat="server">

????????????????????????<ContentTemplate>

????????????????????????????<asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="<" />

?????????????????????????????<asp:Button ID="Button2" runat="server" OnClick="Button2_Click" Text=">" />

????????????????????????????<br />

????????????????????????????<asp:Image ID="Image1" runat="server" Height="100%" ImageAlign="Middle" Width="100%" />

????????????????????????</ContentTemplate>

????????????????????</asp:UpdatePanel>

????????????????</td>

????????????</tr>

????????????<tr>

????????????????<td style="text-align: center">

????????????????????<asp:Timer ID="Timer1" runat="server" Interval="2000" OnTick="Timer1_Tick" Enabled="False">

????????????????????</asp:Timer>

????????????????</td>

????????????</tr>

????????</table>

????

????</div>

????</form>

</body>

</html>

C#代码：

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.IO;

using System.Collections;

using System.Data;

public partial class txh : System.Web.UI.Page

{

????protected void Page_Load(object sender,EventArgs e)

????{

??????if(!IsPostBack)

??????{

????????string dirPath = HttpContext.Current.Server.MapPath("/imgtxh/");

????????if (Directory.Exists(dirPath))

????????{

????????????//获得目录信息

????????????DirectoryInfo dir = new DirectoryInfo(dirPath);

????????????//获得目录文件列表

????????????FileInfo[] files = dir.GetFiles("*.*");

????????????this.Image1.ImageUrl = "~/imgtxh/" + files[0].Name;

????????}

??????????

???????}

????}

????protected void tpbind()

????{

????????string dirPath = HttpContext.Current.Server.MapPath("/imgtxh/");

????????if (Directory.Exists(dirPath))

????????{

????????????//获得目录信息

????????????DirectoryInfo dir = new DirectoryInfo(dirPath);

????????????//获得目录文件列表

????????????FileInfo[] files = dir.GetFiles("*.*");

????????????

????????}

????}

????protected void Timer1_Tick(object sender,EventArgs e)

????{

????????/*

????????string path = Server.MapPath("/imgtxh/");

????????DirectoryInfo di = new DirectoryInfo(path);

????????//找到该目录下的文件

????????//ImageUrl="~/imgtxh/1G5A7243.JPG"

????????FileInfo[] fis = di.GetFiles();

????????//ViewState["tpgs"]=fis.co

????????foreach (FileInfo fi in fis)

????????{

????????????this.Image1.ImageUrl = "~/imgtxh/"+fi.Name;

????????????this.Label1.Text = fi.Name;

???????????// this.Image1.ImageUrl = path + fi.Name;

????????????this.Timer1.Enabled = false;

????????????break;

????????}

?????????*/

????}

????protected void Button1_Click(object sender,EventArgs e)

????{

????????string dirPath = HttpContext.Current.Server.MapPath("/imgtxh/");

????????

????????if (Directory.Exists(dirPath))

????????{

????????????//获得目录信息

????????????DirectoryInfo dir = new DirectoryInfo(dirPath);

????????????//获得目录文件列表

????????????FileInfo[] files = dir.GetFiles("*.*");

????????????int n = files.Length;//图片总数

????????????//this.Image1.ImageUrl = "~/imgtxh/" + files[0].Name;

????????????if(ViewState["tpsl"]!=null)

????????????{

????????????????int wz = int.Parse(ViewState["tpsl"].ToString());//获取图片数量编号

???????????????try

???????????????{

???????????????????if (wz <= 0)

???????????????????{

???????????????????????this.Image1.ImageUrl = "~/imgtxh/" + files[0].Name;

???????????????????}

???????????????????else

???????????????????{

???????????????????????ViewState["tpsl"] = wz - 1;

???????????????????????this.Image1.ImageUrl = "~/imgtxh/" + files[wz-1].Name;

???????????????????}

???????????????}

????????????????catch

???????????????{

????????????????????// this.Image1.ImageUrl

???????????????}

????????????}

????????????else //设置为第一章图片

????????????{

????????????????ViewState["tpsl"] = 1;

????????????}

????????}

????}

????protected void Button2_Click(object sender,EventArgs e)

????{

????????string dirPath = HttpContext.Current.Server.MapPath("/imgtxh/");

????????if (Directory.Exists(dirPath))

????????{

????????????//获得目录信息

????????????DirectoryInfo dir = new DirectoryInfo(dirPath);

????????????//获得目录文件列表

????????????FileInfo[] files = dir.GetFiles("*.*");

????????????int n = files.Length;//图片总数

????????????//this.Image1.ImageUrl = "~/imgtxh/" + files[0].Name;

????????????if (ViewState["tpsl"] != null)

????????????{

????????????????int wz = int.Parse(ViewState["tpsl"].ToString());//获取图片数量编号

????????????????try

????????????????{

????????????????????if (wz>=n-1)

????????????????????{

????????????????????????this.Image1.ImageUrl = "~/imgtxh/" + files[n-1].Name;

????????????????????}

????????????????????else

????????????????????{

????????????????????????ViewState["tpsl"] = wz+1;

????????????????????????this.Image1.ImageUrl = "~/imgtxh/" + files[wz+1].Name;

????????????????????}

????????????????}

????????????????catch

????????????????{

????????????????????// this.Image1.ImageUrl

????????????????}

????????????}

????????????else //设置为第一章图片

????????????{

????????????????ViewState["tpsl"] = 1;

????????????}

????????}

????}

}

（编辑：李大同）

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