自己封装的LocalStoreHelper.js，做页面存储的兄弟可以参考
var LocalStoreHelper = {
CookieHelp: {
//expire:分钟
SetCookie: function (cookiename, cookievalue, expire) {
var today = new Date();
var expiredate = new Date();
expiredate.setTime(today + 60 * 1000 * expire);
[removed] = cookiename + "=" + escape(cookievalue) + ";expires=" + expiredate.toGMTString();
},
GetCookie: function (cookiename) {
if ([removed].length > 0) { //先查询cookie是否为空，为空就return ""
c_start = [removed].indexOf(cookiename + "=") //通过String对象的indexOf()来检查这个cookie是否存在，不存在就为 -1
if (c_start != -1) {
c_start = c_start + c_name.length + 1 //最后这个+1其实就是表示"="号啦，这样就获取到了cookie值的开始位置
c_end = [removed].indexOf(";", c_start) //其实我刚看见indexOf()第二个参数的时候猛然有点晕，后来想起来表示指定的开始索引的位置...这句是为了得到值的结束位置。因为需要考虑是否是最后一项，所以通过";"号是否存在来判断
if (c_end == -1) c_end = [removed].length
return unescape([removed].substring(c_start, c_end)) //通过substring()得到了值。想了解unescape()得先知道escape()是做什么的，都是很重要的基础，想了解的可以搜索下，在文章结尾处也会进行讲解cookie编码细节
}
}
return ""
},
RemoveCookie: function (cookiename) {
var exp = new Date();
exp.setTime(exp.getTime() - 1);
var cval = getCookie(cookiename);
if (cval != null)
[removed] = cookiename + "=" + cval + ";expires=" + exp.toGMTString();
}
},
LocalData: {
SetItem: function (name, value) {
if (window.localStorage) {
localStorage.setItem(name, value);
}
else {
LocalStoreHelper.CookieHelp.SetCookie(name, value, 30);
}
},
GetItem: function (name) {
if (window.localStorage) {
return localStorage.getItem(name);
}
else {
return LocalStoreHelper.CookieHelp.GetCookie(name);
}
},
DelItem:function(name)
{
if (window.localStorage) {
return localStorage.removeItem(name);
}
else {
return LocalStoreHelper.CookieHelp.GetCookie(name);
}
}
}
}
