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我知道我的代码无法按照我的意愿工作，因为我不知道如何让它按照我的意愿工作。我的 javascript 在点击时调用我的 bet_process 页面，但我需要事先提供一个元素 ( $hash )。我需要这个，因为在滚动之前提供 sha512 哈希，用户可以看到哈希但无法解密它。在展示（解密）卷之后，他们可以对其进行加密，以查看它是否与提供的哈希值匹配，以查看他们是否没有被欺骗。我在下面使用的代码工作得很好，但我需要做我上面解释的事情。如果有任何不清楚的地方，请告诉我，我会尽力改写/改写。

bet_process.php

<?php
session_start();
require 'db.php';
if($_SESSION['address'] == "") {
 $uid = $_SESSION['username'];
}
else {
    $uid_query = mysql_fetch_array(mysql_query("SELECT * FROM `users` WHERE `username` = '{$_SERVER['REMOTE_ADDR']}'"));
    $uid = $uid_query['username'];
}

$rand = rand(100, 10000)/100;
$hash = hash('sha512', $rand);
$select_gg_amt = mysql_query("SELECT * FROM `users` WHERE `username` = '$uid'");
$select_gg_amt2 = mysql_query("SELECT * FROM `users` WHERE `address` = '{$_SESSION['address']}'");
$select_gg_row = mysql_fetch_array($select_gg_amt);
$select_gg_row2 = mysql_fetch_array($select_gg_amt2);
if($_SESSION['address'] == "") {
$balance = $select_gg_row['balance'];
}
else { $balance = $select_gg_row2['balance'];
}
$amount1 = mysql_real_escape_string($_POST['profit']);
$amount2 = mysql_real_escape_string($_POST['bet']);
$time_ago = date("F j, Y, g:i a");


    if($balance >= 0 && $_POST['chance'] >= 0.01 && $_POST['chance'] <= 98 && $_POST['bet'] >= 0 && $_POST['bet'] <= $balance) {

        if($rand < $_POST['chance']) {
            if(isset($amount1, $amount2, $_POST['chance'], $_POST['pay'])) {
            echo '<h3>You rolled a <strong>' . $rand . ' </strong> out of 100 on the percentile dice!  You won!</h3>';
            echo '- <span style="font-size: 8px;">', $hash, '</span>';

            $result = 'Win';

            if($amount2 != 0) {

            mysql_query("UPDATE `users` SET `balance` = `balance` + '$amount1' WHERE `username` = '$uid'");
            mysql_query("INSERT INTO `bets`(`amount`, `time_ago`, `username`, `multiplier`, `roll`, `result`) VALUES ('$amount2', '$time_ago', '$uid', '{$_POST['pay']}', '$rand', '$result')");

        }
            }

        }

        else {
            if(isset($amount1, $amount2, $_POST['chance'], $_POST['pay'])) {
            echo '<h3>You rolled a <strong>' . $rand . ' </strong>out of 100 on the percentile dice!  You lost!</h3>';
            echo '- <span style="font-size: 8px;">', $hash, '</span>';

            $result =  'Loss';

            if($amount2 != 0) {

            mysql_query("UPDATE `users` SET `balance` = `balance` - '$amount2' WHERE `username` = '$uid'");
            mysql_query("INSERT INTO `bets`(`amount`, `time_ago`, `username`, `multiplier`, `roll`, `result`) VALUES ('$amount2', '$time_ago', '$uid', '{$_POST['pay']}', '$rand', '$result')");
            }

        }

        }

      }


    else { echo '<h3>Your bet must be <strong>valid</strong>!</h3>'; }

?>

my_script.js

$("#sub").click( function() {
 $.post( $("#myForm").attr("action"), 
         $("#myForm :input").serializeArray(), 
         function(info){ $("#result").html(info); 
   });
});

$("#myForm").submit( function() {
  return false;    
});

HTML: bet.php

    <form action="bet_process.php" method="POST" id="myForm">   
  <h2 class="title">Betting Settings <span class="line"></span></h2>
 <div class="form-box">
 <label for="bet">Bet Amount</label>
    <input type="text" name="bet" id="bet" class="text" placeholder="Amount" value="0">
</div>
<div class="form-box">
<label for="pay">Multiplier </label>
<input type="text" class="text" name="pay" id="pay" value="2">
</div>
<div class="form-box last">
<label for="profit">Profit </label>
<input type="text" name="profit" id="profit" class="text" placeholder="Profit" value="0">
  </div><!-- End Box -->
<div class="clearfix"></div>
<div class="form-box">
<label for="chance">Win Chance (%)</label><input type="text" name="chance" id="chance" class="text" value="49.5" placeholder="Win % - 50.5% Default">
</div>

            <p>Slide to choose win chance or enter it in the input!</p><br><input type="range" id="chanceslider" class="vHorizon" step="0.01" min="0.01" max="98" style="background-color: #00aec8; width: 50%;">
</div>





 <div class="form-box">
    <input type="submit" name="start1" class="button medium color sub" value="Roll Dice" id="sub">
   </div><!-- End Box -->
<h3 id="result"></h3>
</div>
</form>
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