JS设置cookie,读取cookie,删除cookie
总结了一下cookie的使用,不全面.都是基础的知识,后期还会再添加.
1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 2 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"> 3 <head> 4 <meta http-equiv="Content-Type" content="text/html;charset=UTF-8" /> 5 <title>cookie</title> 6 </head> 7 <body> 8 9 </body> 10 </html> 11 <script type="text/javascript"> 12 //write cookie 13 function setCookie(name, value){ 14 var Days=30; 15 var exp=new Date(); 16 exp.setTime(exp.getTime()+Days*24*60*60*1000); 17 document.cookie=name+"="+escape(value)+";expires="+exp.toGMTString(); 18 } 19 //reading cookie 20 function getCookie(){ 21 var arr,reg=new RegExp("(^|)"+name+"([^;]*)(;|$)"); 22 if(arr=document.cookie.match(reg)){ 23 return unescape(arr[2]); 24 }else{ 25 return null; 26 } 27 } 28 //delete cookie 29 function delCookie(name){ 30 var exp=new Date(); 31 exp.setTime(exp.getTime()-1); 32 var cval=getCookie(name); 33 if(cval!=null){ 34 document.cookie=name+"="+cval+";expires="+exp.toGMTString(); 35 } 36 } 37 setCookie("name","liubeimeng"); 38 setCookie("name1","liubeimeng1"); 39 delCookie("name1"); 40 alert(getCookie("name")); 41 </script>
