织梦的这两个函数很重要。他直接简化了JS的COOKIE。让他由复杂变的简单了。这两个函数在AJAX里面的。在include/js/dedeajax2.js里面,最后面
//读写cookie函数
function GetCookie(c_name)
{
if (document.cookie.length > 0)
{
c_start = document.cookie.indexOf(c_name + "=")
if (c_start != -1)
{
c_start = c_start + c_name.length + 1;
c_end = document.cookie.indexOf(";",c_start);
if (c_end == -1)
{
c_end = document.cookie.length;
}
return (document.cookie.substring(c_start,c_end));
}
}
return null
}
function SetCookie(c_name,value,expiredays)
{
var exdate = new Date();
exdate.setDate(exdate.getDate() + expiredays);
document.cookie = c_name + "=" +escape(value) + ((expiredays == null) ? "" : ";expires=" + exdate.toGMTString()); //使设置的有效时间正确。增加toGMTString()
}
-->
//在最后增加一个函数。
//如下:
function getCookies(ids,title,img){ var saveid = GetCookie('id'); var savetitle = GetCookie('products');var saveimg = GetCookie('images'); if(saveid != null && savetitle != null && saveimg != null) { var saveids = saveid.split(','); var savetitles = savetitle.split(',');var saveimgs = saveimg.split(','); var hasid = false; saveid = ''; savetitle = ''; saveimg = ''; j = 1; for(i=saveids.length-1;i>=0;i--) { if(saveids[i]==ids && hasid) continue; else { if(saveids[i]==ids && !hasid) hasid = true; saveid += (saveid=='' ? saveids[i] : ','+saveids[i]); savetitle += (savetitle=='' ? savetitles[i] : ','+savetitles[i]);saveimg += (saveimg=='' ? saveimgs[i] : ','+saveimgs[i]); j++; if(j==10 && hasid) break; if(j==9 && !hasid) break; } } if(hasid) { return false; } else saveid += ','+ids; savetitle += ','+title; saveimg += ','+img; SetCookie('id',saveid,1); SetCookie('products',savetitle,1); SetCookie('images',saveimg,1); } else { SetCookie('id',ids,1); //这个是ID。用来做链接用的 SetCookie('products',title,1); //这个是标题,用来显示在页面的SetCookie('images',img,1); //这个是图片 }}
2.在页面引用js.
<script language="javascript" type="text/javascript" src="{dede:global.cfg_cmsurl/}/include/js/dedeajax2.js"></script>
<script language="javascript" type="text/javascript">
getCookies({dede:field.id/},'{dede:field.title/}','{dede:field.litpic/}')
function CheckLogin2(){
var taget_obj = document.getElementByIdx_x_x('_userlogin');
myajax = new DedeAjax(taget_obj,false,false,'','','');
myajax.SendGet2("{dede:global.cfg_cmspath/}/member/ajax_loginsta2.php");
DedeXHTTP = null;
}
</script>
3.调用历史记录的代码:
<div class="Recommend h-394">
<h1 class="rec-bg"><span class="span-rt-3"><a onclick="destroy_cookie()">清空</a></span>最近浏览过的课程</h1>
<ul class="w-223 browse " id="viewHistory">
<script type="text/javascript">
function destroy_cookie(){
SetCookie('id','',1);
SetCookie('products','',1);
SetCookie('images','',1);
document.getElementByIdx_x_x('viewHistory').innerHTML="";
window.alert('你已成功清除浏览历史记录!');
}
</script>
<script type="text/javascript">
var saveid = GetCookie('id');
var savetitle = GetCookie('products');
var saveimg = GetCookie('images');
if(saveid != null && savetitle != null)
{
var saveids = saveid.split(',');
var savetitles = savetitle.split(',');
var saveimgs = saveimg.split(',');
var hasid = false;
saveid = '';
savetitle = '';
saveimg = '';
for(i=saveids.length-1;i>=0;i--)
{
document.write("<li>" +"<div class='w-53'><a href=\"/plus/view.php?aid="+saveids[i]+"\" title=\""+savetitles[i]+"\"><img src='"+saveimgs[i]+"' width='52' height='51'/></a></div><p class='w-53-rt'><a href=\"/plus/view.php?aid="+saveids[i]+"\" title=\""+savetitles[i]+"\">"+savetitles[i]+"</a></p></li>");
}
}
</script>
<!--修改输出样式或代码,在上面document.write()修改里面的代码即可-->
</ul>
</div>
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