织梦的这两个函数很重要。织梦模板中使用js记录浏览历史并调用历史记录 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,
//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()
}
–>
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=”{wmd:global.cfg_cmsurl/}/include/js/dedeajax2.js”></script>
<script language=”javascript” type=”text/javascript”>
getCookies({wmd:field.id/},’{wmd:field.title/}’,’{wmd:field.litpic/}’)
function CheckLogin2(){
var taget_obj = document.getElementByIdx_x_x(‘_userlogin’);
myajax = new DedeAjax(taget_obj,false,false,”,”,”);
myajax.SendGet2(“{wmd:global.cfg_cmspath/}/member/ajax_loginsta2.php”);
DedeXHTTP = null;
}
</script>
 
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>
        </ul>
      </div>
