标签：style blog http io ar 使用 sp java for
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>每天一个JavaScript实例-cookie的使用方法</title>
<style>
div{margin:5px;}
</style>
<script>
window.onload = function(){
if(navigator.cookieEnabled){
document.getElementById("set").onclick = setCookie;
document.getElementById("get").onclick = getCookie;
document.getElementById("erase").onclick = eraseCookie;
}
}
function setCookie(){
var cookie = document.getElementById("cookie").value;
var value =document.getElementById("value").value;
var futureDate = new Date();
futureDate.setDate(futureDate.getDate()+10);
var tmp =cookie + "=" + encodeURI(value) + ";expires=" + futureDate.toGMTString() + ";path=/";
document.cookie =tmp;
}
function getCookie(){
var key = document.getElementById("cookie").value;
//console.log(key);
var cookie = document.cookie;
var first =cookie.indexOf(key+"=");
console.log(cookie);
if(first>=0){
var str = cookie.substring(first,cookie.length);
var last = str.indexOf(";");
console.log(first+"-------"+last);
if(last < 0 ) last = str.length;
str = str.substring(0,last).split("=");
alert(decodeURI(str[1]));
}else{alert("none found");}
}
function eraseCookie(){
var key = document.getElementById("cookie").value;
var cookieDate = new Date();
cookieDate.setDate(cookieDate.getDate() - 20);
document.cookie = key + "=;expires =" + cookieDate.toGMTString() + "; path=/";
}
</script>
</head>
<body>
<form>
<label for = "cookie">enter cookie:</label><input type = "text" id ="cookie" /><br />
<label for = "value">Cookie value:</label><input type = "text" id ="value" /><br />
</form>
<div>
<button id ="set">Set cookie</button>
<button id ="get">Get cookie</button>
<button id ="erase">erase cookie</button>
</div>
</body>
</html>
标签：style blog http io ar 使用 sp java for
原文地址：http://blog.csdn.net/waiting7436/article/details/41348541
