cookie 使用方法

//写cookies

setCookie: function(name, value) {

let days = 1

let exp = new Date()

exp.setTime(exp.getTime() + days2460601000)

document.cookie = name + '=' + escape (value) + ';expires=' + exp.toGMTString()

},

//读取cookies

readCookie: function (name) {

let arr = null

let reg = new RegExp('(^| )'+name+'=([^;]*)(;|$)')

if (document.cookie && (arr = document.cookie.match(reg))) {

return unescape(arr[2])

} else {

return null;

}

},

//删除cookies

delCookie: function (name) {

let cval = this.readCookie(name)

if (cval!=null) {

document.cookie = name + '=' + cval + ';expires=' + (new Date(0)).toGMTString()

}

}