编程实例一个简单的智能感知效果

　2010-09-14 13:08:33　来源：WEB开发网　　　

核心提示：<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><HTML><HEAD><TITLE> New Document </TITLE><META NAME=&qu

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML> <HEAD> <TITLE> New Document </TITLE> <META NAME="Generator" CONTENT="EditPlus"> <META NAME="Author" CONTENT=""> <META NAME="Keywords" CONTENT=""> <META NAME="Description" CONTENT=""> <script language="javascript"> var rowint = 0; //只需要把document.all("divFilteContent").innerHTML = 生成所需要的table function doclick() { if(event.keyCode == 40 ) { if(document.all("hidContent").value == ""){document.all("hidContent").value=document.all("txtContent").value;} if(rowint>0) { tabContent.rows[rowint-1].style.background="";} if(rowint<tabContent.rows.length) { tabContent.rows[rowint].style.background="#eeeeee"; document.all("txtContent").value = tabContent.rows[rowint].innerText; } if(rowint==tabContent.rows.length) { document.all("txtContent").value=document.all("hidContent").value; tabContent.rows[rowint-1].style.background=""; rowint = -1; } rowint ++; } else if(event.keyCode == 38) { if(rowint>1) { rowint --; tabContent.rows[rowint-1].style.background="#eeeeee"; document.all("txtContent").value = tabContent.rows[rowint-1].innerText; if(rowint>0) { tabContent.rows[rowint].style.background="";} } } } </script> 　　 </HEAD> 　　 <BODY onkeydown="doclick();"> <div> <input type="text" id= "txtContent" width="260px" ><input type="hidden" id="hidContent"> </div> 　　 <div id = "divFilteContent"> <table id="tabContent" width="151" style="border-left: 1px solid grid; border-right: 1px solid grid;border-bottom: 1px solid grid;" cellpadding="0" cellspacing="0"> <tr> <td>1</td> </tr> <tr> <td>2</td> </tr> <tr> <td>3</td> </tr> <tr> <td>4</td> </tr> </table> </div> </BODY> </HTML>