<!DOCTYPE html><html xmlns="http://www.w3.org/1999/xhtml"><head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title></title> <style type="text/css"> textarea { width: 300px; height: 300px; } .button { width: 100px; } </style></head><body onload="init()"> <script type="text/javascript"> //使用HTML5 Web存儲(chǔ)的localStorage和sessionStorage方式進(jìn)行Web頁(yè)面數(shù)據(jù)本地存儲(chǔ)。 //頁(yè)面參考如下圖，能將頁(yè)面上的數(shù)據(jù)進(jìn)行本地存儲(chǔ)。并能讀取存儲(chǔ)的數(shù)據(jù)顯示在頁(yè)面上。 var t1; var t2; var oStorage; var oStorage; function init() {//初始化t1，t2 t1 = document.getElementById("t1"); t2 = document.getElementById("t2"); sStorage = window.sessionStorage; lStorage = window.localStorage } function saveSession() { sStorage.mydata = t2.value; t1.value += "sessionStorage保存mydata:" + t2.value + "\n"; } function readSession() { t1.value += "sessionStorage讀取mydata:" + sStorage.mydata + "\n"; } function cleanSession() { t1.value += "sessionStorage清除mydata:" + sStorage.mydata + "\n"; sStorage.removeItem("mydata"); } function saveStorage() { lStorage.mydata = t2.value; t1.value += "localStorage保存mydata:" + t2.value + "\n"; } function readStorage() { t1.value += "localStorage讀取mydata:" + lStorage.mydata + "\n"; } function cleanStorage() { t1.value += "localStorage清除mydata:" + lStorage.mydata + "\n"; lStorage.removeItem("mydata"); } </script> <div> <textarea id="t1"></textarea><br /> <label>需要保存的數(shù)據(jù): </label> <input type="text" id="t2" /><br /> <input type="button" class="button" onclick="saveSession()" name="b1" value="session保存" /> <input type="button" class="button" onclick="readSession()" value="session讀取" /> <input type="button" class="button" onclick="cleanSession()" value="session清除" /><br /> <input type="button" class="button" onclick="saveStorage()" value="local保存" /> <input type="button" class="button" onclick="readStorage()" value="local讀取" /> <input type="button" class="button" onclick="cleanStorage()" value="local清除" /> </div></body></html>
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