(一).示例图片效果 
(二).代码 <html> <head> <title>读写cookies</title> </head> <body> <script language="javascript"> document.cookie="a=a;" document.cookie="b=b;" var mycookie = document.cookie; function readcookie(name) { var start1 = mycookie.indexOf(name + "="); if (start1== -1) alert("cookies not found"); else { start=mycookie.indexOf("=",start1)+1; var end = mycookie.indexOf(";",start); if (end==-1) { end=mycookie.length;} var value=unescape(mycookie.substring(start,end)); if (value==null) {alert("No cookies found!");} else {alert("cookie变量:"+name+" 的值是 :"+value);} } } readcookie("a"); readcookie("b"); </script> </body> </html> |