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Asp.net图片滚动(Jquery实现)

2011-10-10 16:07 756 查看
前台代码:
<%@ Page Language="C#" AutoEventWireup="true" Debug="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>图片滚动</title>
<script src="jquery-1.4.2.js" type="text/javascript"></script>
<script type="text/javascript" src="imageScroller.js"></script>
<style type="text/css">
#viewer {height:100px; width:300px; clear:both;overflow:hidden; border:3px solid #e5e5e5;}
      #viewerFrame {width:505px; clear:both; padding:0;}
      #viewer img {width:90px; height:90px; margin:5px; display:inline; border:0;}
      #viewer a {display:block; float:left; width:100px; height:100px;}
</style>
<script type="text/javascript">
$(function() {  
$("#viewer").imageScroller({  
//next: "right", //向右
      //prev: "left", //向左
      frame: "viewerFrame", //父容器
      width: 100, //宽度
      child: "a", //图片容器
      auto: true  
});  
});
</script>
</head>
<body>
<form id="form1" runat="server">
<div id="viewer">
<div id="viewerFrame">
<asp:Repeater ID="Repeater1" runat="server">
<ItemTemplate>
<a href=""><img alt="" src='<%# Eval("src") %>' /></a>
</ItemTemplate>
</asp:Repeater>
</div>
</div>
<span id="right">next</span><br/><span id="left">prev</span>
</form>
</body>
</html>
后台代码:
using System;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;

public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
bingImage();
}

/// <summary>
/// 图片绑定
/// </summary>
public void bingImage()
{
ylDataContext dc = new ylDataContext();
var q = (from p in dc.PictureManage where p.isdelete == false orderby p.id descending select p).Take(20).ToList();
Repeater1.DataSource = q;
Repeater1.DataBind();
}
}
imageScroller.js
  jQuery.fn.imageScroller = function(params) {

var p = params || {
next: "buttonNext",
prev: "buttonPrev",
frame: "viewerFrame",
width: 100,
child: "a",
auto:true
};
var _btnNext = $("#" + p.next);
var _btnPrev = $("#" + p.prev);     
var _imgFrame = $("#" + p.frame);     
var _width = p.width;      
var _child = p.child;     
var _auto = p.auto;      
var _itv;  

var turnLeft = function() {
 _btnPrev.unbind("click", turnLeft);         
if (_auto) autoStop();
  _imgFrame.animate({
marginLeft: -_width
},
'fast', '',
function() {
 _imgFrame.find(_child + ":first").appendTo(_imgFrame);
 _imgFrame.css("marginLeft", 0);
 _btnPrev.bind("click", turnLeft);             
if (_auto) autoPlay();
});
};

var turnRight = function() {
 _btnNext.unbind("click", turnRight);          
if (_auto) autoStop();
_imgFrame.find(_child + ":last").clone().show().prependTo(_imgFrame);
_imgFrame.css("marginLeft", -_width);
_imgFrame.animate({
marginLeft: 0
},
'fast', '',
function() {
_imgFrame.find(_child + ":last").remove();
_btnNext.bind("click", turnRight);
if (_auto) autoPlay();
});
};

_btnNext.css("cursor", "hand").click(turnRight);
_btnPrev.css("cursor", "hand").click(turnLeft);
var autoPlay = function() {
_itv = window.setInterval(turnLeft, 3000);
};

var autoStop = function() {
window.clearInterval(_itv);
};

if (_auto) autoPlay();
};



                                            
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