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  • ASP.NET中使用JavaScript实现图片自动水平滚动效果

    参照网上的资料,在ASP.NET中使用JavaScript实现图片自动水平滚动效果。

    1、页面前台代码:

    <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="ImageScroll.aspx.cs" Inherits="SlideDemo.ImageScroll" %>

    <!DOCTYPE html>
    <html xmlns="http://www.w3.org/1999/xhtml">
    <head runat="server">
    <title></title>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <style type="text/css">
    *
    {
    margin:0px auto;
    padding:0px;
    }
    #scrolltable
    {
    900px;
    }
    .scrollimg
    {
    border:0px;
    300px;
    height:200px;
    /*margin:0px 0px;*/
    }
    </style>
    </head>
    <body>
    <form id="form1" runat="server">
    <div style="850px;">ASP.NET中使用JavaScript实现图片自动水平滚动</div>
    <div id="demo" style="overflow: hidden; 850px; height: 300px;">
    <!--修改显示区域的宽度,不能超过滚动部分表格的宽度-->
    <asp:Repeater ID="ScrollRepeater" runat="server">
    <HeaderTemplate>
    <table border="0">
    <tbody>
    <tr>
    <td id="demo1">
    <!--滚动部分表格开始-->
    <table border="0" id="scrolltable">
    <tr>
    </HeaderTemplate>
    <ItemTemplate>
    <td>
    <a title='<%#Eval("Title")%>' target="_blank" href='<%#Eval("Href")%>'>
    <img class="scrollimg" src='<%#Eval("Src")%>' alt='<%#Eval("Title") %>' />
    </a>
    </td>
    </ItemTemplate>
    <FooterTemplate>
    </tr>
    </table>
    <!--滚动部分表格结束-->
    </TD>
    <td id="demo2">
    </td>
    </tr>
    </tbody>
    </TABLE>
    </FooterTemplate>
    </asp:Repeater>
    </div>
    <script type="text/javascript">
    var speed3 = 15//速度数值越大速度越慢
    var demo = document.getElementById("demo");
    var demo1 = document.getElementById("demo1");
    var demo2 = document.getElementById("demo2");
    demo2.innerHTML = demo1.innerHTML
    function Marquee() {

    if (demo2.offsetWidth - demo.scrollLeft <= 0)

    demo.scrollLeft -= demo1.offsetWidth

    else {

    demo.scrollLeft++

    }

    }

    var MyMar = setInterval(Marquee, speed3)

    demo.onmouseover = function () { clearInterval(MyMar) }

    demo.onmouseout = function () { MyMar = setInterval(Marquee, speed3) }

    </script>

    </form>
    </body>
    </html>

    2、后台代码,主要是实现数据绑定:

    protected void Page_Load(object sender, EventArgs e)
    {
    if (!IsPostBack)
    {
    BindSroll();
    }
    }
    private void BindSroll()
    {
    List<MyItem> list = new List<MyItem>();
    MyItem item1 = new MyItem();
    item1.Title = "item1";
    item1.Src = "images/1.jpg";
    item1.Href = "http://www.szit.edu.cn";
    MyItem item2 = new MyItem();
    item2.Title = "item2";
    item2.Src = "images/2.jpg";
    item2.Href = "http://www.sohu.com";
    MyItem item3 = new MyItem();
    item3.Title = "item3";
    item3.Src = "images/3.jpg";
    item3.Href = "http://www.sina.com";
    list.Add(item1);
    list.Add(item2);
    list.Add(item3);
    ScrollRepeater.DataSource = list;
    ScrollRepeater.DataBind();

    }

    下载Demo

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  • 原文地址:https://www.cnblogs.com/zhouhb/p/3869011.html
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