/**
 * 创建人: lbx
 * 创建时间: 2016-09-14 15:29
 * 用途:
 */
(function (win, doc, undefined) {
    "use strict";
    win._Storage = {
        setItem: function setItem(key, value) {
            if(isNotNullDate(value)&&typeof value !== 'string') {
                value = JSON.stringify(value);
            }
            return localStorage.setItem(key, value);
        },
        getItem: function getItem(key) {
            var data = localStorage.getItem(key);
            if(isNotNullDate(data)){
                return JSON.parse(data);
            }
            return null;
        },
        removeItem: function removeItem(key) {
            return localStorage.removeItem(key);
        },
        clear: function() {
            return localStorage.clear();
        }
    };
    function isNotNullDate(obj){
        if(null === obj||"null" === obj||"" === obj||undefined === obj||"undefined" === obj){
            return false;
        }
        return true;
    }
}(window, document));