
//读写cookie函数functionGetcookie(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));}}returnnull}functionsetcookie(c_name,value,expiredays){varexdate=newDate();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:
functiongetcookies(IDs,Title,img){varsaveID=Getcookie('ID');varsaveTitle=Getcookie('products');varsaveimg=Getcookie('images');if(saveID!=null&&saveTitle!=null&&saveimg!=null){varsaveIDs=saveID.split(',');varsaveTitles=saveTitle.split(',');varsaveimgs=saveimg.split(',');varhasID=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){returnfalse;}elsesaveID+=','+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',1); //这个是标题,用来显示在页面的setcookie('images',img,1); //这个是图片 }} |
总结 |
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