如何在没有 JQuery 的情况下在 JavaScript 中创建 cookie?
How do you create a cookie in JavaScript without JQuery?
所以我的意思是,您可以在不使用 JQuery 而只使用 JavaScript.
的情况下创建 cookie
你有答案吗?
Create cookies with javascript
JavaScript 可以使用 document.cookie 属性.
创建、读取和删除 cookie
使用JavaScript,可以这样创建一个cookie:
document.cookie = "username=John Doe";
您还可以添加到期日期(UTC 时间)。默认情况下,cookie 在浏览器关闭时被删除:
document.cookie="username=John Doe; expires=Thu, 18 Dec 2013 12:00:00 UTC";
通过一个路径参数,可以告诉浏览器cookie属于什么路径。默认情况下,cookie 属于当前页面。
document.cookie="username=John Doe; expires=Thu, 18 Dec 2013 12:00:00 UTC; path=/";
全部代码:
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;
}
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 checkCookie() {
var user = getCookie("username");
if (user != "") {
alert("Welcome again " + user);
} else {
user = prompt("Please enter your name:", "");
if (user != "" && user != null) {
setCookie("username", user, 365);
}
}
}
我有这些简单的功能可以做到这一点
function createCookie(name,value,days) {
if (days) {
var date = new Date();
date.setTime(date.getTime()+(days*24*60*60*1000));
var expires = "; expires="+date.toGMTString();
}
else var expires = "";
document.cookie = name+"="+value+expires+"; path=/";
}
function readCookie(name) {
var nameEQ = name + "=";
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,c.length);
if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
}
return null;
}
function eraseCookie(name) {
createCookie(name,"",-1);
}
现在,调用函数
createCookie('ppkcookie','testcookie',7);
var x = readCookie('ppkcookie')
所以我的意思是,您可以在不使用 JQuery 而只使用 JavaScript.
的情况下创建 cookie
你有答案吗?
Create cookies with javascript
JavaScript 可以使用 document.cookie 属性.
创建、读取和删除 cookie使用JavaScript,可以这样创建一个cookie:
document.cookie = "username=John Doe";
您还可以添加到期日期(UTC 时间)。默认情况下,cookie 在浏览器关闭时被删除:
document.cookie="username=John Doe; expires=Thu, 18 Dec 2013 12:00:00 UTC";
通过一个路径参数,可以告诉浏览器cookie属于什么路径。默认情况下,cookie 属于当前页面。
document.cookie="username=John Doe; expires=Thu, 18 Dec 2013 12:00:00 UTC; path=/";
全部代码:
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;
}
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 checkCookie() {
var user = getCookie("username");
if (user != "") {
alert("Welcome again " + user);
} else {
user = prompt("Please enter your name:", "");
if (user != "" && user != null) {
setCookie("username", user, 365);
}
}
}
我有这些简单的功能可以做到这一点
function createCookie(name,value,days) {
if (days) {
var date = new Date();
date.setTime(date.getTime()+(days*24*60*60*1000));
var expires = "; expires="+date.toGMTString();
}
else var expires = "";
document.cookie = name+"="+value+expires+"; path=/";
}
function readCookie(name) {
var nameEQ = name + "=";
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,c.length);
if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
}
return null;
}
function eraseCookie(name) {
createCookie(name,"",-1);
}
现在,调用函数
createCookie('ppkcookie','testcookie',7);
var x = readCookie('ppkcookie')