Chrome4+ 开始支持localStorage
Firefox3.5+开始支持localStorage
Firefox1.5+支持globalStorage
IE8+支持localStorage
IE7兼容模式支持localStorage
IE5.5+支持userdata
Safari 4+ 支持localStorage
Opera10.5+支持localStorage
代码如下:
!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
script type="text/javascript"
//使用HTML5 Web存储的localStorage和sessionStorage方式进行Web页面数据本地存储。
//页面参考如下图,能将页面上的数据进行本地存储。并能读取存储的数据显示在页面上。
function saveSession() {
var t1 = document.getElementById("t1");
var t2 = document.getElementById("t2");
var mydata = t2.value;
var oStorage = window.sessionStorage;
oStorage.mydata = mydata;
t1.value += "sessionStorage保存mydata:" + mydata + "n";
}
function readSession() {
var t1 = document.getElementById("t1");
var oStorage = window.sessionStorage;
var mydata = "不存在";
if (oStorage.mydata) {
mydata = oStorage.mydata;
}
t1.value += "sessionStorage读取mydata:" + mydata + "n";
}
function cleanSession() {
var t1 = document.getElementById("t1");
var oStorage = window.sessionStorage;
var mydata = "不存在";
if (oStorage.mydata) {
mydata = oStorage.mydata;
}
oStorage.removeItem("mydata");
t1.value += "sessionStorage清除mydata:" + mydata + "n";
}
function saveStorage() {
var t1 = document.getElementById("t1");
var t2 = document.getElementById("t2");
var mydata = t2.value;
var oStorage = window.localStorage;
oStorage.mydata = mydata;
t1.value += "localStorage保存mydata:" + mydata + "n";
}
function readStorage() {
var t1 = document.getElementById("t1");
var oStorage = window.localStorage;
var mydata = "不存在";
if (oStorage.mydata) {
mydata = oStorage.mydata;
}
t1.value += "localStorage读取mydata:" + mydata + "n";
}
function cleanStorage() {
var t1 = document.getElementById("t1");
var oStorage = window.localStorage;
var mydata = "不存在";
if (oStorage.mydata) {
mydata = oStorage.mydata;
}
oStorage.removeItem("mydata");
t1.value += "localStorage清除mydata:" + mydata + "n";
}
/script
div
textarea id="t1"/textarea
label需要保存的数据: /label
input type="text" id="t2" /
input type="button" class="button" onclick="saveSession()" name="b1" value="session保存" /
input type="button" class="button" onclick="readSession()" value="session读取" /
input type="button" class="button" onclick="cleanSession()" value="session清除" /
input type="button" class="button" onclick="saveStorage()" value="local保存" /
input type="button" class="button" onclick="readStorage()" value="local读取" /
input type="button" class="button" onclick="cleanStorage()" value="local清除" /
/div
/body
/html