30天内免登陆 cookie小案例
原生js，$在machine文件中封装，可直接使用，cookie也封装在其中
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
div {
margin-top: 10px;
}
</style>
</head>
<body>
<div id="box">
<div>账号<input type="text" id="username"></div>
<div>密码<input type="password" id="password"></div>
<div><input type="checkbox" id="che">30天内免登录</div>
<div><button id="login">登录</button></div>
</div>
<script src="machine.js"></script>
<script>
$("#login").onclick = function() {
if ($("#che").checked) {
cookie.set("username", $("#username").value, '2021-02-08');
cookie.set("password", $("#password").value, 30)
}
}
if (cookie.get("username") && cookie.get("password")) {
$("#username").value = cookie.get("username")
$("#password").value = cookie.get("password")
}
</script>
</body>
</html>