aspx页面代码<script language="javascript" type="text/javascript">//图片预览效果function ShowPic(url){ document.getElementById("picture").style.display="";document.getElementById("picture").style.left=event.clientX+5;document.getElementById("picture").style.top=event.clientY+5;document.getElementById("picture").innerHTML= "<img src='"+url+"' width='200' height='200'/>";}function ShowVideo(url){ document.getElementById("video").style.display="";document.getElementById("video").style.left=event.clientX+5;document.getElementById("video").style.top=event.clientY+5;document.getElementById("video").innerHTML= "<object id='MediaPlayer' width=300 height=250 classid='CLSID:6BF52A52-394A-11D3-B153-00C04F79FAA6'> <param name='URL' value='"+url+"'><param name='rate' value='1'> <param name='balance' value='0'> <param name='currentPosition' value='0'> <param name='defaultFrame' value> <param name='playCount' value='100'> <param name='autoStart' value='1'> <param name='currentMarker' value='0'> <param name='invokeURLs' value='1'> <param name='baseURL' value> <param name='volume' value='100'> <param name='mute' value='0'> <param name='uiMode' value='full'> <param name='stretchToFit' value='0'> <param name='windowlessVideo' value='0'> <param name='enabled' value='1'> <param name='enableContextMenu' value='1'> <param name='fullScreen' value='0'> <param name='SAMIStyle' value> <param name='SAMILang' value> <param name='SAMIFilename' value> <param name='captioningID' value> <param name='enableErrorDialogs' value='0'> <param name='_cx' value='7779'> <param name='_cy' value='1693'> </object>";}function ShowDivMusic(url){ document.getElementById("divMusic").style.display="";document.getElementById("divMusic").style.left=event.clientX+5;document.getElementById("divMusic").style.top=event.clientY+5;document.getElementById("divMusic").innerHTML="<embed id='music' type='video/x-ms-wmv' align='middle' autostart='true' height='45' width='300' loop='true' src='"+url+"'></embed>";}function PriveiwTxt(content){ document.getElementById("PreTxt").style.display="";document.getElementById("PreTxt").style.left=event.clientX+5;document.getElementById("PreTxt").style.top=event.clientY+5;document.getElementById("PreTxt").style.backgroundColor="white";document.getElementById("PreTxt").innerHTML=content;} function DisappearDivMusic(){document.getElementById("divMusic").style.display="none";document.getElementById("music").controls.pause();document.clear();}function DisappearDivVideo(){document.getElementById("video").style.display="none";document.getElementById("MediaPlayer").controls.stop();document.clear();}function DisappearDivPic(){document.getElementById("picture").style.display="none";}function DisppearTxt(){document.getElementById("PreTxt").style.display="none";}function Disppear(){var existPreTxt = document.getElementById("PreTxt");var existPicture = document.getElementById("picture");var existvideo = document.getElementById("video");var existMediaPlayer = document.getElementById("MediaPlayer");var existmusic = document.getElementById("divMusic");var existtestmusic = document.getElementById("music");if(existPreTxt!=null)DisppearTxt();if(existPicture!=null)DisappearDivPic();if(existMediaPlayer!=null && existvideo!=null)DisappearDivVideo();if(existtestmusic!=null && existtestmusic!=null)DisappearDivMusic();}</script></head><body οnclick="Disppear()"><div id="picture" style="display:none; width:200px; height:200px; border-bottom:1px solid #FF0000; border-left:1px solid #FF0000;border-top:1px solid #FF0000;border-right:1px solid #FF0000;position:absolute;"></div><div id="video" style="display:none; width:300px; height:45px; border-bottom:1px solid #FF0000; border-left:1px solid #FF0000;border-top:1px solid #FF0000;border-right:1px solid #FF0000;position:absolute;"></div> <div id="divMusic" style="display:none; width:300px; height:45px; border-bottom:1px solid #FF0000; border-left:1px solid #FF0000;border-top:1px solid #FF0000;border-right:1px solid #FF0000;position:absolute;"></div><div id="PreTxt" style="display:none; width:600px; height:200px; border-bottom:1px solid #FF0000; border-left:1px solid #FF0000;border-top:1px solid #FF0000;border-right:1px solid #FF0000;position:absolute;"></div>cs页面代码bool legalPic = false;bool legalVideo = false;bool legalAudio = false;string[] picArray = { "jpg","gif","bmp","pcx","jpeg","png"};string[] videoArray = { "rmvb", "flv", "rm", "wmv", "mp4", "avi" };string[] audioArray = { "mp3", "wma" };foreach (string pic in picArray){if (itemKind.Equals(pic))legalPic = true;}foreach (string video in videoArray){if (itemKind.Equals(video))legalVideo = true;}foreach (string audio in audioArray){if (itemKind.Equals(audio))legalAudio = true;}//图片预览特效if (legalPic)TitleLB.Attributes.Add("onmouseover", "ShowPic('"+ URL +"')");else if (legalVideo)TitleLB.Attributes.Add("onmouseover", "ShowVideo('" + URL + "')");else if (legalAudio)TitleLB.Attributes.Add("onmouseover", "ShowDivMusic('" + URL + "')");else if (itemKind.Equals("txt")){//创建预览对象Preview preivew = new Preview();//通过url地址来返回txt文本前五十行内容string previewTxt = preivew.txtToText(URL); TitleLB.Attributes.Add("onmouseover", "PriveiwTxt('" +previewTxt + "')");// TitleLB.Attributes.Add("onmouseout", "return DisppearTxt()");}
