js 存cookie 和 取cookie一个小小小的小栗子 

<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>

<body>
  <div>
    <div>
      <input type="text" class="setCookieName" placeholder="请输入cookie名">
      <input type="text" class="setCookieVal" placeholder="请输入cookie值">
      <button id="save">保存</button>
    </div>
    <div>
      <input type="text" class="seeCookieVal" placeholder="请输入cookie名查看cookie值">
      <button id="see">查看</button>
      <div class="qresults"></div>
    </div>
  </div>
  <script src="https://cdn.bootcdn.net/ajax/libs/jquery/3.5.1/jquery.js"></script>
  <script>

    // 动态设置
    $("#save").click(function() {
      setCookie($(".setCookieName").val(),$(".setCookieVal").val());
      $(".setCookieName").val("");
      $(".setCookieVal").val("");
    })

    // 动态查看
    $("#see").click(function() {
      var txt = getCookie($(".seeCookieVal").val());
      $(".qresults").html(txt)
    })

    function setCookie(name, value) {
      var Days = 30; //有效期为30天
      //取出当前日期，加上30天，得出有效截止日期
      var exp = new Date();
      exp.setTime(exp.getTime() + 30 * 24 * 60 * 60 * 1000);
      document.cookie = name + "=" + escape(value) + ";expries     =" + exp.toGMTString();
    }
    function getCookie(name) {
      var arr, reg = new RegExp("(^| )" + name + "=([^;]*)(;|$)");
      if (arr = document.cookie.match(reg))
        return unescape(arr[2]);
      else
        return null;
    }
  </script>
</body>

</html>

记得下班打卡，么么么么么哒

posted @ 2020-12-12 18:33  安雁-zzq  阅读(130)  评论(0)    收藏  举报