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WEB标准学习:自定义打开链接的方式

日期:2009-8-4 3:15:30   来源:华尊互联 www.huazoom.com  【 】 点击:1076

  由于在XHTML1.0过渡型标准之前,target="_blank"属性一直是点击链接后弹出新窗口的方法,但是XHTML1.0严格型标准以及XHTML1.1之后就不再支持target属性,

  也就是说不能再用target="_blank"来弹出一个新的窗口!本实例探讨的是在XHTML1.1标准下弹出新窗口的方法,并结合Cookies实现客户端自定义弹出新窗口的方法。

以下是引用片段:

 

 

 

 

 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>自定义打开链接的方式</title>
<style type="text/css">
<!--
#main {
    width: 600px;
    margin-right: auto;
    margin-left: auto;
    border: 1px solid #006699;
    height: 600px;
}
#title {
    background-color: #006699;
    padding: 10px;
    width: 100%;
    font-family: Verdana, Arial;
    font-size: 16px;
    color: #FFFFFF;
    font-weight: bold;
}
#property {
    margin: 10px;
    border: 1px solid #99CC00;
    height: 24px;
    background-color: #F8FEE9;
    font-size: 12px;
    line-height: 24px;
}
#link {
    margin: 10px;
    border: 1px solid #0099CC;
    background-color: #EFEEFF;
    font-size: 12px;
    height: 366px;
    padding: 20px;
}
#copyright {
    font-size: 12px;
    padding: 20px;
    color: #003333;
    line-height: 16px;
}
img{
    border-top-style: none;
    border-right-style: none;
    border-bottom-style: none;
    border-left-style: none;
}
.center {
    text-align: center;
}
-->
</style>
<script type="text/javascript">
<!--
function onlinks(){


if(getCookie("links")=="_blank"){
document.getElementById("c1").checked=true;
document.getElementById("c2").checked=true;
newlinks();//dolinks();
}
else{
document.getElementById("c1").checked=false;
document.getElementById("c2").checked=false;
newlinks();//dolinks();
}
}


function dolinks(){
document.getElementById("c2").checked?setCookie(''''links'''',''''_blank'''',1):deleteCookie(''''links'''');
}


function newlinks() { 
 document.getElementById("c1").checked?fc1():fc2()
 function fc1(){
 linktarget="_blank";document.getElementById("cookies_p").style.display="block"}
 function fc2(){
 linktarget="";document.getElementById("cookies_p").style.display="none"}


 var anchors = document.getElementsByTagName("a"); 
 for (var i=0; i<anchors.length; i++) { 
   var anchor = anchors[i]; 
   if (anchor.getAttribute("href")) 
     anchor.target = linktarget; 
 } 


function getCookie(name) {
    var start = document.cookie.indexOf( name + "=" );
    var len = start + name.length + 1;
    if ( ( !start ) && ( name != document.cookie.substring( 0, name.length ) ) ) {
        return null;
    }
    if ( start == -1 ) return null;
    var end = document.cookie.indexOf( ";", len );
    if ( end == -1 ) end = document.cookie.length;
    return unescape( document.cookie.substring( len, end ) );
}    


function setCookie( name, value, expires, path, domain, secure ) {
    var today = new Date();
    today.setTime( today.getTime() );
    if ( expires ) {
        expires = expires * 1000 * 60 * 60 * 24;
    }
    var expires_date = new Date( today.getTime() + (expires) );
    document.cookie = name+"="+escape( value ) +
        ( ( expires ) ? ";expires="+expires_date.toGMTString() : "" ) + //expires.toGMTString()
        ( ( path ) ? ";path=" + path : "" ) +
        ( ( domain ) ? ";domain=" + domain : "" ) +
        ( ( secure ) ? ";secure" : "" );
}
    
function deleteCookie( name, path, domain ) {
    if ( getCookie( name ) ) document.cookie = name + "=" +
            ( ( path ) ? ";path=" + path : "") +
            ( ( domain ) ? ";domain=" + domain : "" ) +
            ";expires=Thu, 01-Jan-1970 00:00:01 GMT";
}
-->
</script>
<script src="http://www.aaa.com/... /javascript"> 
</script>
<script type="text/javascript">
_uacct = "UA-97125-1";
urchinTracker();
</script>
</head>
<body onload="onlinks();">
<div id="main">
  <div id="title">自定义打开链接的方式</div>
  <div id="property">
    <label>
    <input type="checkbox" id="c1" value="checkbox" onclick="newlinks();" />
    打开链接为新窗口</label>
    <span id="cookies_p" style="display:none">
    <label>
    <input type="checkbox" id="c2" value="checkbox" onclick="dolinks();" />
    记住我的选择</label></span>
  </div>
  <div id="link">
    <p><a href="http://www.knowsky.com">www.knowsky.com</a></p>
    <p><a href="http://code.knowsky.com">code.knowsky.com</a></p>
    <p><a href="http://font.knowsky.com">font.knowsky.com</a></p>
    <p><a href="http://soft.knowsky.com">soft.knowsky.com</a></p>
  </div>
  <div id="copyright">
内容</div>
</div> 
</body>
</html>

Tags:WEB 标准 WEB标准 自定义 链接 方式  责任编辑:Huazoom
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