//cookie設置html
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<script>
function getCookie(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 unescape(document.cookie.substring(c_start, c_end));
}
}
return "";
}
function setCookie(c_name, value, expiredays) {
var exdate = new Date();
exdate.setDate(exdate.getDate() + expiredays);
document.cookie = c_name + "=" + escape(value) +
((expiredays == null) ? "" : "; expires=" + exdate.toGMTString())
}
function checkCookie() {
username = getCookie('username');
if (username != null && username != "") {
alert('Welcome again ' + username + '!')
}
else {
username = prompt('Please enter your name:', "");
if (username != null && username != "") {
setCookie('username', username, 30)
}
}
}
</script>
</head>
<body onload="checkCookie()">
<script>
//建立和存儲cookie
alert((new Date()).toGMTString());
//cookie是存儲於訪問者的計算機中的變量,每當同一臺計算機經過瀏覽器請求頁面時,就會發送這個cookie
</script>
</body>
</html>
//session設置
<!doctype html><html lang="en"><head> <meta charset="UTF-8"> <title>本地存儲sessionStorsge</title></head><body><input type="text" id="msg"><input type="button" id="setData" value="保存數據"><input type="button" id="getData" value="獲取數據"><input type="button" id="removeData" value="清除數據"><input type="button" id="clearData" value="所有清空"><script> window.onload= function () { alert("當你關閉此頁面或者關閉瀏覽器的時候,sessionStorage中保存的數據纔會消失,也就是說從新打開此頁面的時候,點擊獲取數據 ,將不會顯示任何數據,刷新頁面無效。\r\n由此能夠證實,sessionStorage的生命週期爲,某個用戶瀏覽網站時,從進入到離開的這段時間。"); var msg=document.getElementById('msg'); var setData=document.getElementById('setData'); var getData=document.getElementById('getData'); var removeData=document.getElementById('removeData'); var clearData=document.getElementById('clearData'); setData.onclick= function () {//存入數據 if(msg.value){ sessionStorage.setItem('data',msg.value); alert('信息已保存中data字段中'); }else { alert('信息不能爲空') } }; getData.onclick= function () {//獲取數據 var msg = sessionStorage.getItem('data'); if(msg){ alert('data字段中的值爲'+msg); } else { alert('data字段無值'); } }; removeData.onclick= function () { var msg = sessionStorage.getItem('data'); if(msg){ sessionStorage.removeItem('data'); }else { alert('data字段中的數值爲空') } }; clearData.onclick=function(){ sessionStorage.clear(); } }; //頁面自動刷新// function myrefresh(){// window.location.reload();// alert('1')// }// setTimeout(myrefresh,1000)</script></body></html>