效果如下:
demo code:
<!DOCTYPE html> <html> <head lang="en"> <meta charset="UTF-8"> <title></title> </head> <body> <input onclick="addcokie()" type="button"value="创建cookie"/> <input onclick="readcokie()" type="button"value="读取cookie"/> <h1 id="h11"></h1> </body> </html> <script> function addcokie(){ var exp=new Date(); exp.setTime(exp.getTime()+7*24*60*60*1000); document.cookie="usename=yanbo;"+"expires="+exp.toGMTString(); } function readcokie(){ h11.innerHTML=document.cookie; } </script>