//設置cookie
Vue.prototype.setCookie=function(cname, cvalue, exdays) {
var d = new Date();
d.setTime(d.getTime() + exdays * 24 * 60 * 60 * 1000);
var expires = "expires=" + d.toUTCString();
console.info(cname + "=" + cvalue + "; " + expires);
document.cookie = cname + "=" + cvalue + "; " + expires;
console.info(document.cookie);
}
//獲取cookie
Vue.prototype.getCookie= function(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) != -1) return c.substring(name.length, c.length);
}
return "";
}
//清除cookie
Vue.prototype.clearCookie= function() {
this.setCookie("username", "", -1);
}
Vue.prototype.checkCookie= function() {
var user = this.getCookie("username");
if (user != "") {
alert("Welcome again " + user);
} else {
user = prompt("Please enter your name:", "");
if (user != "" && user != null) {
this.setCookie("username", user, 365);
}
}
}