javascript 简单的JavaScript中的Cookie

Posted 2021-05-03

function getCookie(cname) {
    var name = cname + '='
    var ca = document.cookie.split(';')

    for (var i = 0; i < ca.length; i++) {
        var c = ca[i]
        while (c.charAt(0) == ' ') {
            c = c.substring(1)
        }
        if (c.indexOf(name) == 0) {
            return c.substring(name.length, c.length)
        }
    }

    return ''
}

function setCookie(cname, cvalue, exdays) {
    var d = new Date()
    d.setTime(d.getTime() + exdays * 24 * 60 * 60 * 1000)

    var expires = 'expires=' + d.toUTCString()
    document.cookie = cname + '=' + cvalue + ';' + expires + ';path=/'
}