正则操作cookie、url

• getCookie

function getCookie(key) {

    var cookies = window.document.cookie,

        reg = new RegExp('\\S*' + key + '=[^;]*', 'gi');

    var result = cookies.match(reg);

    return result && result[0].substr(0, key.length) === key ? result[0].substr(key.length + 1) : false;

}

• setCookie

function setCookie(key, value, expires) { // expires为天数

    var date = new Date();

    date.setTime(date.getTime() + expires * 24 * 60 * 60 * 1000);

    document.cookie = key + '=' + value + ';expires=' + date;

}

• getQuery

function getQuery(key) {

    var search = window.location.search,

        reg = new RegExp('[^&]*' + key + '=[^&]*', 'gi');

    var result = search.substr(1).match(reg);

    return result && result[0].substr(0, key.length) === key ? window.decodeURIComponent(result[0].substr(key.length + 1)) : false;

}

• getUrl

function getUrl() {

    var search = window.location.search,

        reg = /[^=]+/g;

    var deal = search.substr(1).split('&'),

        result = {};

    deal.forEach(function(item) {

        var temp = item.match(reg);

        temp && (result[temp[0]] = decodeURIComponent(temp[1]));

    });

    return result;

}