[导入]div+css 有focus高亮效果的文本框

本文介绍了一种使用CSS实现文本框获得焦点时高亮显示的方法。通过JavaScript与CSS结合,为不同元素如输入框和文本区域提供了hover、active及focus状态下的样式变化。此技巧能够提升用户体验,使表单交互更加友好。
<! 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 " xml:lang = " en " lang = " en " >
< head >
< style type = " text/css " >
ExpandedBlockStart.gifContractedBlock.gifform
... {
margin: 0px auto;
width: 450px;
border: solid 1px #CCCCCC;
}


ExpandedBlockStart.gifContractedBlock.gif.bo
... {
border
-bottom: solid 1px #CCCCCC;
}


ExpandedBlockStart.gifContractedBlock.giflabel
... {
float: left;
padding: 10px 0px 4px 30px;
}


ExpandedBlockStart.gifContractedBlock.gifinput
... {
padding: 1px;
}


ExpandedBlockStart.gifContractedBlock.gifinput,textarea
... {
border: 1px solid #CCCCCC;
margin: 5px 0px;
}


ExpandedBlockStart.gifContractedBlock.giftextarea
... {
padding: 2px;
}


ExpandedBlockStart.gifContractedBlock.gif.bt
... {
width: 38px;
height: 20px;
font
-size: 11px;
border: solid 1px #CCCCCC;
background: #FBFBFB;
text
-align: center;
}


ExpandedBlockStart.gifContractedBlock.gif.btcenter
... {
text
-align: center;
clear: left;
padding: 4px 0px 0px;
}


ExpandedBlockStart.gifContractedBlock.gif.sffocus
... {
ExpandedSubBlockStart.gifContractedSubBlock.gifbackground: #F0F9FB;
/**//*----for IE----*/
border: 1px solid #1D95C7;
}


ExpandedBlockStart.gifContractedBlock.giftextarea:focus, input:focus
... {
ExpandedSubBlockStart.gifContractedSubBlock.gifbackground: #F0F9FB;
/**//*----for firefox......----*/
border: 1px solid #1D95C7;
}


ExpandedBlockStart.gifContractedBlock.gifbody
... {
font
-family: Arial, Helvetica, sans-serif;
font
-size: 12px;
color: #
666666;
margin
-top: 20px;
}

</ style >
< script type = " text/javascript " >
ExpandedBlockStart.gifContractedBlock.giffunction suckerfish(type, tag, parentId)
... {
ExpandedSubBlockStart.gifContractedSubBlock.gif
if (window.attachEvent) ...{
ExpandedSubBlockStart.gifContractedSubBlock.gif window.attachEvent(
"onload", function() ...{
var sfEls
= (parentId==null)?document.getElementsByTagName(tag):document.getElementById(parentId).getElementsByTagName(tag);
type(sfEls);
}
);
}

}


ExpandedBlockStart.gifContractedBlock.gifsfHover
= function(sfEls) ... {
ExpandedSubBlockStart.gifContractedSubBlock.gif
for (var i=0; i<sfEls.length; i++) ...{
ExpandedSubBlockStart.gifContractedSubBlock.gif sfEls[i].onmouseover
=function() ...{
this.className+=" sfhover";
}

ExpandedSubBlockStart.gifContractedSubBlock.gif sfEls[i].onmouseout
=function() ...{
this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
}

}

}


ExpandedBlockStart.gifContractedBlock.gifsfFocus
= function(sfEls) ... {
ExpandedSubBlockStart.gifContractedSubBlock.gif
for (var i=0; i<sfEls.length; i++) ...{
ExpandedSubBlockStart.gifContractedSubBlock.gif sfEls[i].onfocus
=function() ...{
this.className+=" sffocus";
}

ExpandedSubBlockStart.gifContractedSubBlock.gif sfEls[i].onblur
=function() ...{
this.className=this.className.replace(new RegExp(" sffocus\\b"), "");
}

}

}


ExpandedBlockStart.gifContractedBlock.gifsfActive
= function(sfEls) ... {
ExpandedSubBlockStart.gifContractedSubBlock.gif
for (var i=0; i<sfEls.length; i++) ...{
ExpandedSubBlockStart.gifContractedSubBlock.gif sfEls[i].onmousedown
=function() ...{
this.className+=" sfactive";
}

ExpandedSubBlockStart.gifContractedSubBlock.gif sfEls[i].onmouseup
=function() ...{
this.className=this.className.replace(new RegExp(" sfactive\\b"), "");
}

}

}


ExpandedBlockStart.gifContractedBlock.gifsfTarget
= function(sfEls) ... {
var aEls
= document.getElementsByTagName("A");
document.lastTarget
= null;
ExpandedSubBlockStart.gifContractedSubBlock.gif
for (var i=0; i<sfEls.length; i++) ...{
ExpandedSubBlockStart.gifContractedSubBlock.gif
if (sfEls[i].id) ...{
ExpandedSubBlockStart.gifContractedSubBlock.gif
if (location.hash==("#" + sfEls[i].id)) ...{
sfEls[i].className
+=" sftarget";
document.lastTarget
=sfEls[i];
}

ExpandedSubBlockStart.gifContractedSubBlock.gif
for (var j=0; j<aEls.length; j++) ...{
if (aEls[j].hash==("#" + sfEls[i].id)) aEls[j].targetEl = sfEls[i];
ExpandedSubBlockStart.gifContractedSubBlock.gif aEls[j].onclick
= function() ...{
if (document.lastTarget) document.lastTarget.className = document.lastTarget.className.replace(new RegExp(" sftarget\\b"), "");
if (this.targetEl) this.targetEl.className+=" sftarget";
document.lastTarget
=this.targetEl;
return true;
}

}

}

}

}

suckerfish(sfHover,
" p " );
suckerfish(sfActive,
" p " );
suckerfish(sfHover,
" INPUT " );
suckerfish(sfActive,
" TEXTAREA " );
suckerfish(sfFocus,
" INPUT " );
suckerfish(sfFocus,
" TEXTAREA " );
suckerfish(sfTarget,
" H5 " );
suckerfish(sfHover,
" pre " );
suckerfish(sfActive,
" pre " );
</ script ></ head >
< body >
< form action = " # " method = " post " name = " myform " id = " myform " >
< div class = " bo " >< label for = " name " > 姓名: </ label >
< input type = " text " size = " 20 " name = " name " id = " name " maxlength = " 10 " /></ div >
< div class = " bo " >< label for = " tel " > 电话: </ label >
< input type = " text " size = " 20 " name = " tel " id = " tel " maxlength = " 16 " /></ div >
< div class = " bo " >< label for = " mo " > 主题: </ label >
< input type = " text " size = " 30 " name = " mo " id = " mo " maxlength = " 20 " /></ div >
< div class = " bo " >< label for = " con " > 内容: </ label >
< textarea cols = " 40 " rows = " 8 " name = " con " id = " con " ></ textarea ></ div >
< div class = " btcenter " >< input type = " submit " class = " bt " value = " Send " />
< input type = " reset " class = " bt " value = " Reset " /></ div ></ form ></ body ></ html >

文章来源: http://link-to.cn/post/2007/12/div+css-有focus高亮效果的文本框.aspx

转载于:https://www.cnblogs.com/sliuqin/archive/2007/12/05/1018814.html

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