<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 4.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>告广浮漂</title>
<script type="text/javascript" src="jquery.js"> </script>
<script type="text/javascript">
//上面引入 jQuery.js
$.fn.textWaterMater = function(waterText){
_span = $("<span style='color:red;border:1px solid blue;color:gray;font-size:0.8em;padding:4px;'></span>");
_this = $(this);
if(!waterText || waterText.length==0){
waterText = $(this).val();
}
_this.val("");
_span.html(waterText);
_span.height(_this.height());
_span.width(_this.width());
_this.before(_span).css({display:"none"});
_span.click(function(){
$(this).hide();
_this.show();
_this.focus();
});
_this.blur(function(){
if($(this).val().length==0){
_span.show();
$(this).hide();
}
});
};
$(function(){
//整个文档中目前只能有一个 TextWater。
//$("input:first").addClass($("input:last").attr("class"));
//$("input:first").textWaterMater();
//$("input:last").textWaterMater();
});
</script>
</head>
<body> dsfdsaf
<input type="text" value="请输入关键词进行搜索" />fdgfdsg
<input type="text" value="请输入关键词进行搜索ddd" />fdgfdsg
<input type="button" value="ddd"/>
</body>
</html>
代码
