一段模拟按键查找文件的JS,希望你用得上
在做项目的时候，由于查找出来的记录很多，用户要求按下一个健后，如果以这个字母或者数字、其他字符开头的进程名称存在的话，就直接选定那个名称，于是我就用JS模拟了一个简单的查找文件的过程。
把文本框放到表格中（通过CSS把文本框隐藏，并且只读），为了简单我没有放上CSS，如果需要，请自己写一个，代码如下：（非常得少，而且简单 ：））
<html>
<head>
<title>Display Processes Stat</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<link href="style" rel="stylesheet" type="text/css"></head><body leftmargin="0" topmargin="0">
<script language="javascript">
Count=0
OldKey="";
IfExists=false;
function document.onkeypress(){
if(document.all.ProcessTimes.value>0){
if((Count==document.all.ProcessName.length) || (OldKey!=String.fromCharCode(event.keyCode))){
Count=0;
}
NewKey=String.fromCharCode(event.keyCode);
OldKey=String.fromCharCode(event.keyCode);
Search=false;
for(j=Count;j<document.all.ProcessName.length;j++){
Str=document.all.ProcessName[j].value;
Tmp=Str.substr(0,1);
if(Tmp==NewKey ){
document.all.ProcessName[j].focus();
document.all.ProcessName[j].select();
Count=j+1;
Search=true;
IfExists=true;
break;
}
Count++;
}
if( Search==false && IfExists==true){
IfExists=false;
Count=0;
document.onkeypress();
}
}
}
</script>
<table width="100%" border="1" cellpadding="2" cellspacing="0" bordercolor="#000000" bgcolor="#FFFFFF" class="txt105"style="border-collapse: collapse" >
<tr>
<td align="right" nowrap width="11%">
<input name="textfield416" type="text" id=ProcessName class="input4" value="ssdfk;d" size="19" readonly>
</td>
<td align="right" nowrap width="5%">
<input name="textfield42" type="text" id=ProcessName class="input4" value="k;lk;kl;" size="8" readonly>
</td>
<td align="right" nowrap width="5%">
<input name="textfield43" type="text" id=ProcessName class="input4left" value="kkkk" size="8" readonly>
</td>
<td align="right" nowrap width="5%">
<input name="textfield44" type="text" id=ProcessName class="input4left" value="sd" size="8" readonly>
</td>
<td align="right" nowrap width="6%">
<input name="textfield45" type="text" id=ProcessName class="input4" value="jkl;" size="10" readonly>
</td>
<td align="right" nowrap width="6%">
<input name="textfield46" type="text" id=ProcessName class="input4" value="poiuyy" size="10" readonly>
</td>
<td align="right" nowrap width="5%">
<input name="textfield47" type="text" id=ProcessName class="input4" value="kuoiuouhgkh" size="8" readonly>
</td>
<td align="right" nowrap width="7%">
<input name="textfield48" type="text" id=ProcessName class="input4" value="qwetyuyi" size="12" readonly>
</td>
<td align="right" nowrap width="5%">
<input name="textfield49" type="text" id=ProcessName class="input4left" value="iuytre" size="8" readonly>
</td>
</tr>
<tr>
<td align="right" nowrap width="11%">
<input name="textfield4" type="text" id=ProcessName class="input4" value="serty" size="19" readonly>
</td>
<td align="right" nowrap width="5%">
<input name="textfield42" type="text" id=ProcessName class="input4" value="mnhgbv" size="8" readonly>
</td>
<td align="right" nowrap width="5%">
<input name="textfield43" id=ProcessName type="text" id=ProcessName class="input4left" value="sdfghk" size="8" readonly>
</td>
<td align="right" nowrap width="5%">
<input name="textfield44" type="text" id=ProcessName class="input4left" value="pmbnvfj" size="8" readonly>
</td>
<td align="right" nowrap width="6%">
<input name="textfield45" type="text" id=ProcessName class="input4" value="yutree" size="10" readonly>
</td>
<td align="right" nowrap width="6%">
<input name="textfield46" type="text" id=ProcessName class="input4" value="mjkl;h" size="10" readonly>
</td>
<td align="right" nowrap width="5%">
<input name="textfield47" type="text" id=ProcessName class="input4" value="fdsa" size="8" readonly>
</td>
<td align="right" nowrap width="7%">
<input name="textfield48" type="text" id=ProcessName class="input4" value="lkjhgf" size="12" readonly>
</td>
<td align="right" nowrap width="5%">
<input name="textfield49" type="text" id=ProcessName class="input4left" value="fdsa" size="8" readonly>
</td>
</tr>
<input type=hidden name=ProcessTimes value="2">
</table>
</body>
</html>
把文本框放到表格中（通过CSS把文本框隐藏，并且只读），为了简单我没有放上CSS，如果需要，请自己写一个，代码如下：（非常得少，而且简单 ：））
<html>
<head>
<title>Display Processes Stat</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<link href="style" rel="stylesheet" type="text/css"></head><body leftmargin="0" topmargin="0">
<script language="javascript">
Count=0
OldKey="";
IfExists=false;
function document.onkeypress(){
if(document.all.ProcessTimes.value>0){
if((Count==document.all.ProcessName.length) || (OldKey!=String.fromCharCode(event.keyCode))){
Count=0;
}
NewKey=String.fromCharCode(event.keyCode);
OldKey=String.fromCharCode(event.keyCode);
Search=false;
for(j=Count;j<document.all.ProcessName.length;j++){
Str=document.all.ProcessName[j].value;
Tmp=Str.substr(0,1);
if(Tmp==NewKey ){
document.all.ProcessName[j].focus();
document.all.ProcessName[j].select();
Count=j+1;
Search=true;
IfExists=true;
break;
}
Count++;
}
if( Search==false && IfExists==true){
IfExists=false;
Count=0;
document.onkeypress();
}
}
}
</script>
<table width="100%" border="1" cellpadding="2" cellspacing="0" bordercolor="#000000" bgcolor="#FFFFFF" class="txt105"style="border-collapse: collapse" >
<tr>
<td align="right" nowrap width="11%">
<input name="textfield416" type="text" id=ProcessName class="input4" value="ssdfk;d" size="19" readonly>
</td>
<td align="right" nowrap width="5%">
<input name="textfield42" type="text" id=ProcessName class="input4" value="k;lk;kl;" size="8" readonly>
</td>
<td align="right" nowrap width="5%">
<input name="textfield43" type="text" id=ProcessName class="input4left" value="kkkk" size="8" readonly>
</td>
<td align="right" nowrap width="5%">
<input name="textfield44" type="text" id=ProcessName class="input4left" value="sd" size="8" readonly>
</td>
<td align="right" nowrap width="6%">
<input name="textfield45" type="text" id=ProcessName class="input4" value="jkl;" size="10" readonly>
</td>
<td align="right" nowrap width="6%">
<input name="textfield46" type="text" id=ProcessName class="input4" value="poiuyy" size="10" readonly>
</td>
<td align="right" nowrap width="5%">
<input name="textfield47" type="text" id=ProcessName class="input4" value="kuoiuouhgkh" size="8" readonly>
</td>
<td align="right" nowrap width="7%">
<input name="textfield48" type="text" id=ProcessName class="input4" value="qwetyuyi" size="12" readonly>
</td>
<td align="right" nowrap width="5%">
<input name="textfield49" type="text" id=ProcessName class="input4left" value="iuytre" size="8" readonly>
</td>
</tr>
<tr>
<td align="right" nowrap width="11%">
<input name="textfield4" type="text" id=ProcessName class="input4" value="serty" size="19" readonly>
</td>
<td align="right" nowrap width="5%">
<input name="textfield42" type="text" id=ProcessName class="input4" value="mnhgbv" size="8" readonly>
</td>
<td align="right" nowrap width="5%">
<input name="textfield43" id=ProcessName type="text" id=ProcessName class="input4left" value="sdfghk" size="8" readonly>
</td>
<td align="right" nowrap width="5%">
<input name="textfield44" type="text" id=ProcessName class="input4left" value="pmbnvfj" size="8" readonly>
</td>
<td align="right" nowrap width="6%">
<input name="textfield45" type="text" id=ProcessName class="input4" value="yutree" size="10" readonly>
</td>
<td align="right" nowrap width="6%">
<input name="textfield46" type="text" id=ProcessName class="input4" value="mjkl;h" size="10" readonly>
</td>
<td align="right" nowrap width="5%">
<input name="textfield47" type="text" id=ProcessName class="input4" value="fdsa" size="8" readonly>
</td>
<td align="right" nowrap width="7%">
<input name="textfield48" type="text" id=ProcessName class="input4" value="lkjhgf" size="12" readonly>
</td>
<td align="right" nowrap width="5%">
<input name="textfield49" type="text" id=ProcessName class="input4left" value="fdsa" size="8" readonly>
</td>
</tr>
<input type=hidden name=ProcessTimes value="2">
</table>
</body>
</html>
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