w执行顺序。

ok

 <!doctype html>

 <html>

 <head>

     <meta charset="UTF-8">

 </head>

 <body>

 <form action="" method="post" id="amz_reviews" style="display: inline;">

     <button type="submit" name="type"

             value="amz_reviews" <?php if (!isset($_COOKIE['wjs_cookie']) || (isset($_COOKIE['wjs_cookie']) && $_COOKIE['wjs_cookie'] == 'amz_reviews')) echo 'style=" background-color:red;" '; ?>

             onclick="w('amz_reviews')">差评

     </button>

 </form>

 <form action="" method="post" id="amz_similar_sellers" style="display: inline;">

     <button type="submit"

             name="type"   <?php if (isset($_COOKIE['wjs_cookie']) && $_COOKIE['wjs_cookie'] == 'amz_similar_sellers') echo 'style=" background-color:red;" '; ?>

             value="amz_similar_sellers"

             onclick="w('amz_similar_sellers')">跟卖

     </button>

 </form>

 <form action="" method="post" id="amz_listing" style="display: inline;">

     <button type="submit"

             name="type"  <?php if (isset($_COOKIE['wjs_cookie']) && $_COOKIE['wjs_cookie'] == 'amz_listing') echo 'style=" background-color:red;" '; ?>

             value="amz_listing"

             onclick="w('amz_listing')">评分、类目变化

     </button>

 </form>

 </body>

 </html>

 <script>

     document.cookie = 'wjs_cookie=' + 'amz_reviews';

     function w(id) {

         document.cookie = 'wjs_cookie=' + id;

         document.getElementById(id).submit();

     }

     console.log(document.cookie);

 </script>

ok

 <script>

     document.cookie = 'wjs_cookie=' + 'amz_reviews';

     function w(id) {

         document.cookie = 'wjs_cookie=' + id;

         document.getElementById(id).submit();

     }

     console.log(document.cookie);

 </script>

 <!doctype html>

 <html>

 <head>

     <meta charset="UTF-8">

 </head>

 <body>

 <form action="" method="post" id="amz_reviews" style="display: inline;">

     <button type="submit" name="type"

             value="amz_reviews" <?php if (!isset($_COOKIE['wjs_cookie']) || (isset($_COOKIE['wjs_cookie']) && $_COOKIE['wjs_cookie'] == 'amz_reviews')) echo 'style=" background-color:red;" '; ?>

             onclick="w('amz_reviews')">差评

     </button>

 </form>

 <form action="" method="post" id="amz_similar_sellers" style="display: inline;">

     <button type="submit"

             name="type"   <?php if (isset($_COOKIE['wjs_cookie']) && $_COOKIE['wjs_cookie'] == 'amz_similar_sellers') echo 'style=" background-color:red;" '; ?>

             value="amz_similar_sellers"

             onclick="w('amz_similar_sellers')">跟卖

     </button>

 </form>

 <form action="" method="post" id="amz_listing" style="display: inline;">

     <button type="submit"

             name="type"  <?php if (isset($_COOKIE['wjs_cookie']) && $_COOKIE['wjs_cookie'] == 'amz_listing') echo 'style=" background-color:red;" '; ?>

             value="amz_listing"

             onclick="w('amz_listing')">评分、类目变化

     </button>

 </form>

 </body>

 </html>

Notice:  Undefined index: wjs_cookie

 <script>

     document.cookie = 'wjs_cookie=' + 'amz_reviews';

     function w(id) {

         document.cookie = 'wjs_cookie=' + id;

         document.getElementById(id).submit();

     }

     console.log(document.cookie);

 </script>

 <!doctype html>

 <html>

 <head>

     <meta charset="UTF-8">

 </head>

 <body>

 <form action="" method="post" id="amz_reviews" style="display: inline;">

     <button type="submit" name="type"

             value="amz_reviews" <?php if ($_COOKIE['wjs_cookie'] == 'amz_reviews') echo 'style=" background-color:red;" '; ?>

             onclick="w('amz_reviews')">差评

     </button>

 </form>

 <form action="" method="post" id="amz_similar_sellers" style="display: inline;">

     <button type="submit"

             name="type"   <?php if ($_COOKIE['wjs_cookie'] == 'amz_similar_sellers') echo 'style=" background-color:red;" '; ?>

             value="amz_similar_sellers"

             onclick="w('amz_similar_sellers')">跟卖

     </button>

 </form>

 <form action="" method="post" id="amz_listing" style="display: inline;">

     <button type="submit"

             name="type"  <?php if ($_COOKIE['wjs_cookie'] == 'amz_listing') echo 'style=" background-color:red;" '; ?>

             value="amz_listing"

             onclick="w('amz_listing')">评分、类目变化

     </button>

 </form>

 </body>

 </html>

Notice:  Undefined index: wjs_cookie

 <!doctype html>

 <html>

 <head>

     <meta charset="UTF-8">

 </head>

 <script>

     document.cookie = 'wjs_cookie=' + 'amz_reviews';

     function w(id) {

         document.cookie = 'wjs_cookie=' + id;

         document.getElementById(id).submit();

     }

     console.log(document.cookie);

 </script>

 <body>

 <form action="" method="post" id="amz_reviews" style="display: inline;">

     <button type="submit" name="type"

             value="amz_reviews" <?php if ($_COOKIE['wjs_cookie'] == 'amz_reviews') echo 'style=" background-color:red;" '; ?>

             onclick="w('amz_reviews')">差评

     </button>

 </form>

 <form action="" method="post" id="amz_similar_sellers" style="display: inline;">

     <button type="submit"

             name="type"   <?php if ($_COOKIE['wjs_cookie'] == 'amz_similar_sellers') echo 'style=" background-color:red;" '; ?>

             value="amz_similar_sellers"

             onclick="w('amz_similar_sellers')">跟卖

     </button>

 </form>

 <form action="" method="post" id="amz_listing" style="display: inline;">

     <button type="submit"

             name="type"  <?php if ($_COOKIE['wjs_cookie'] == 'amz_listing') echo 'style=" background-color:red;" '; ?>

             value="amz_listing"

             onclick="w('amz_listing')">评分、类目变化

     </button>

 </form>

 </body>

 </html>

Notice:  Undefined index: wjs_cookie

 <!doctype html>

 <html>

 <head>

     <meta charset="UTF-8">

 </head>

 <body>

 <script>

     document.cookie = 'wjs_cookie=' + 'amz_reviews';

     function w(id) {

         document.cookie = 'wjs_cookie=' + id;

         document.getElementById(id).submit();

     }

     console.log(document.cookie);

 </script>

 <form action="" method="post" id="amz_reviews" style="display: inline;">

     <button type="submit" name="type"

             value="amz_reviews" <?php if ($_COOKIE['wjs_cookie'] == 'amz_reviews') echo 'style=" background-color:red;" '; ?>

             onclick="w('amz_reviews')">差评

     </button>

 </form>

 <form action="" method="post" id="amz_similar_sellers" style="display: inline;">

     <button type="submit"

             name="type"   <?php if ($_COOKIE['wjs_cookie'] == 'amz_similar_sellers') echo 'style=" background-color:red;" '; ?>

             value="amz_similar_sellers"

             onclick="w('amz_similar_sellers')">跟卖

     </button>

 </form>

 <form action="" method="post" id="amz_listing" style="display: inline;">

     <button type="submit"

             name="type"  <?php if ($_COOKIE['wjs_cookie'] == 'amz_listing') echo 'style=" background-color:red;" '; ?>

             value="amz_listing"

             onclick="w('amz_listing')">评分、类目变化

     </button>

 </form>

 </body>

 </html>

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