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jQuery 代码不工作但也没有显示错误

[英]jQuery code isn't working but also shows no errors

 原文  2019-12-01 00:49:10  1   1    javascript/ php/ jquery/ ajax

问题描述

我有一些 jQuery 代码用于调用一个单独的 PHP 文件（其中还包含一个 jQuery 倒计时时钟）并且似乎没有加载任何 jQuery 代码部分，尽管根本没有显示任何错误。

我用来调用文件 stats_bar.php的代码是：

<?php
    if(isset($_SESSION['uid'])){
        include("safe.php");
        include("cron_update_stats.php");
?>

        <div id="stats_bar"></div>

        <script>

        // Stats Bar Script - Currently Not Working

        $(document).ready(function() {
            function loadlink() {
                $.get('ajax/stats_bar.php', '', function(res) {
                    res = $(res).filter('#stats_bar');
                    $('#stats_bar').replaceWith(res);
                });
            }
            loadlink();

            setInterval(function(){
                loadlink(); // this will run after every 1 second
            }, 1000);
        });

        </script>

<?php
    }
?>

stats_bar.php 包含以下代码：

<div id="stats_bar">

    <script>
    function startTimer(duration, display) {
        var start = Date.now(),
                diff,
                minutes,
                seconds;
        function timer() {
            // get the number of seconds that have elapsed since 
            // startTimer() was called
            diff = duration - (((Date.now() - start) / 1000) || 0);

            // does the same job as parseInt truncates the float
            minutes = (diff / 60) || 0;
            seconds = (diff % 60) || 0;

            minutes = minutes < 10 ? "0" + minutes : minutes;
            seconds = seconds < 10 ? "0" + seconds : seconds;

            display.textContent = minutes + ":" + seconds; 

            if (diff <= 0) {
                // add one second so that the count down starts at the full duration
                // example 10:00 not 09:59
                start = Date.now() + 1000;
            }
        }
        // we don't want to wait a full second before the timer starts
        timer();
        setInterval(timer, 1000);
    }

    $(document).ready(function() {
        var tenMinutes = 60 * 10,
        display = document.querySelector('#time');
        startTimer(tenMinutes, display);
    });
    </script>

    <?php $clock = "<span id=\"time\"></span>"; ?>

    <header class="sticky-top">     

        <div class="d-lg-none d-xl-none">
            <div class="container-flex pt-2 pb-2" style="background-color: #191919">
                <div class="container"> 
                    <div class="justify-content-left text-light d-flex flex-column">
                        <div class="pl-md-3 pr-md-3"><b class="text-primary">TURNS &raquo;</b> <?php echo number_format($stats['turns']); ?> <?php if($stats['turns'] < 250){ echo "<small class='text-warning'>(+5 turns in $clock)</small>"; }else{ echo "<small class='text-danger'>(Max. turns)</small>"; }?></div>
                         <div class="pl-md-3 pr-md-3"><b class="text-primary">BANK &raquo;</b> Gold: <?php echo number_format($stats['bankgold']); ?> &#8901; Food: <?php echo number_format($stats['bankfood']); ?></div>
                         <div class="pl-md-3 pr-md-3"><b class="text-primary">RESOURCES &raquo;</b> Gold: <?php echo number_format($stats['gold']); ?> &#8901; Food: <?php echo number_format($stats['food']); ?></div>
                          <div class="pl-md-3 pr-md-3"><b class="text-primary">INCOME &raquo;</b> Workers: <?php echo number_format($unit['worker']); ?> &#8901; Farmers: <?php echo number_format($unit['farmer']); ?></div>
                          <div class="pl-md-3 pr-md-3"><b class="text-primary">BATTLE &raquo;</b> Warriors: <?php echo number_format($unit['warrior']); ?> &#8901; Defenders: <?php echo number_format($unit['defender']); ?> &#8901; Thieves: <?php echo number_format($unit['thief']); ?></div>
                          <div class="pl-md-3 pr-md-3"><b class="text-primary">WEAPONS &raquo;</b> Swords: <?php echo number_format($weapon['sword']); ?> &#8901; Shields: <?php echo number_format($weapon['shield']); ?></div>
                      </div>
                  </div>
              </div>
         </div>

         <div class="d-none d-lg-block">
             <div class="container-flex pt-3 pb-3" style="background-color: #191919">
                 <div class="container"> 
                     <div class="d-flex flex-wrap justify-content-left text-light">
                         <div class="pl-2 pl-md-3 pr-2 pr-md-3 pt-1 pb-1"><b class="text-primary">TURNS &raquo;</b> <?php echo number_format($stats['turns']); ?> <?php if($stats['turns'] < 250){ echo "<small class='text-warning'>(+5 turns in $clock)</small>"; }else{ echo "<small class='text-danger'>(Max. turns)</small>"; }?></div>
                         <div class="pl-2 pl-md-3 pr-2 pr-md-3 pt-1 pb-1"><b class="text-primary">BANK &raquo;</b> Gold: <?php echo number_format($stats['bankgold']); ?> &#8901; Food: <?php echo number_format($stats['bankfood']); ?></div>
                         <div class="pl-2 pl-md-3 pr-2 pr-md-3 pt-1 pb-1"><b class="text-primary">RESOURCES &raquo;</b> Gold: <?php echo number_format($stats['gold']); ?> &#8901; Food: <?php echo number_format($stats['food']); ?></div>
                         <div class="pl-2 pl-md-3 pr-2 pr-md-3 pt-1 pb-1"><b class="text-primary">INCOME UNITS &raquo;</b> Workers: <?php echo number_format($unit['worker']); ?> &#8901; Farmers: <?php echo number_format($unit['farmer']); ?></div>
                         <div class="pl-2 pl-md-3 pr-2 pr-md-3 pt-1 pb-1"><b class="text-primary">BATTLE UNITS &raquo;</b> Warriors: <?php echo number_format($unit['warrior']); ?> &#8901; Defenders: <?php echo number_format($unit['defender']); ?> &#8901; Thieves: <?php echo number_format($unit['thief']); ?></div>
                         <div class="pl-2 pl-md-3 pr-2 pr-md-3 pt-1 pb-1"><b class="text-primary">WEAPONS &raquo;</b> Swords: <?php echo number_format($weapon['sword']); ?> &#8901; Shields: <?php echo number_format($weapon['shield']); ?></div>
                     </div>
                 </div>
             </div>
         </div>

     </header>
</div>

使用时include('ajax/stats_bar.php'); 而不是调用 PHP 文件的 jQuery 代码，它完全按预期工作，除了 PHP 文件中的 jQuery 倒计时时钟，它的行为方式与用于调用 PHP 文件的 jQuery 代码相同，但是我还检查了倒计时时钟代码是否有错误，但它也没有显示任何错误，所以我现在很困惑？

我在这里遗漏或忽略了什么吗？

更新

当内容位于单独的 PHP 文件中时，selfagency 给出的正确答案可用于通过使用 GET 和 POST 来实现所需的结果，但是我也能够使用正确答案中提供的信息来产生相同的效果主页，这意味着加载内容之间没有延迟 - 我已经包含了下面的代码。

请注意，这里取得的成果可能不是总体上最好的结果，因为我发现这两种方法都是因为页面不断刷新 PHP 部分，因此不断请求数据，请求数量和总带宽是天文数字，甚至已经包含少量 PHP 请求的页面也会很快崩溃。

我会继续寻找更好的解决方案！

<?php
                if(isset($_SESSION['uid'])){
                include("safe.php");
                include("cron_update_stats.php");
                    $currenttime = time();
                    $time = date('i:s', (10 * 60) - ($currenttime % (10 * 60)));
                    $bankgold_r = number_format($stats['bankgold']);
                    $bankfood_r = number_format($stats['bankfood']);
                    $gold_r = number_format($stats['gold']);
                    $food_r = number_format($stats['food']);
                    $worker_r = number_format($unit['worker']);
                    $farmer_r = number_format($unit['farmer']);
                    $warrior_r = number_format($unit['warrior']);
                    $defender_r = number_format($unit['defender']);
                    $thief_r = number_format($unit['thief']);
                    $sword_r = number_format($weapon['sword']);
                    $shield_r = number_format($weapon['shield']);
                    $turns_r = number_format($stats['turns']);
            ?>

            <script>
                setInterval("my_function();",1000); 
                function my_function(){
                    $('#refresh_countdown_clock').load(location.href + ' #countdown_clock');
                    $('#refresh_bankgold').load(location.href + ' #bankgold');
                    $('#refresh_bankgold_m').load(location.href + ' #bankgold_m');
                    $('#refresh_bankfood').load(location.href + ' #bankfood');
                    $('#refresh_bankfood_m').load(location.href + ' #bankfood_m');
                    $('#refresh_gold').load(location.href + ' #gold');
                    $('#refresh_gold_m').load(location.href + ' #gold_m');
                    $('#refresh_food').load(location.href + ' #food');
                    $('#refresh_food_m').load(location.href + ' #food_m');
                    $('#refresh_worker').load(location.href + ' #worker');
                    $('#refresh_worker_m').load(location.href + ' #worker_m');
                    $('#refresh_farmer').load(location.href + ' #farmer');
                    $('#refresh_farmer_m').load(location.href + ' #farmer_m');
                    $('#refresh_warrior').load(location.href + ' #warrior');
                    $('#refresh_warrior_m').load(location.href + ' #warrior_m');
                    $('#refresh_defender').load(location.href + ' #defender');
                    $('#refresh_defender_m').load(location.href + ' #defender_m');
                    $('#refresh_thief').load(location.href + ' #thief');
                    $('#refresh_thief_m').load(location.href + ' #thief_m');
                    $('#refresh_sword').load(location.href + ' #sword');
                    $('#refresh_sword_m').load(location.href + ' #sword_m');
                    $('#refresh_shield').load(location.href + ' #shield');
                    $('#refresh_shield_m').load(location.href + ' #shield_m');
                    $('#refresh_turns').load(location.href + ' #turns');
                    $('#refresh_turns_m').load(location.href + ' #turns_m');
                }
            </script>

     <header class="sticky-top">        

        <div class="d-lg-none d-xl-none">
        <div class="container-flex pt-2 pb-2" style="background-color: #191919">
            <div class="container"> 
            <div class="justify-content-left text-light d-flex flex-column">
            <div class="pl-md-3 pr-md-3"><b class="text-primary">TURNS &raquo;</b> <span id="refresh_turns_m"><span id="turns_m"><?php echo $turns_r; ?> <?php if($stats['turns'] < 250){ echo "<small class='text-warning'>(+5 turns in ".$time.")</small>"; }else{ echo "<small class='text-danger'>(Max. turns)</small>"; }?></span></span></div>
            <div class="pl-md-3 pr-md-3"><b class="text-primary">BANK &raquo;</b> Gold: <span id="refresh_bankgold_m"><span id="bankgold_m"><?php echo $bankgold_r; ?></span></span> &#8901; Food: <span id="refresh_bankfood_m"><span id="bankfood_m"><?php echo $bankfood_r; ?></span></span></div>
            <div class="pl-md-3 pr-md-3"><b class="text-primary">RESOURCES &raquo;</b> Gold: <span id="refresh_gold_m"><span id="gold_m"><?php echo $gold_r; ?></span></span> &#8901; Food: <span id="refresh_food_m"><span id="food_m"><?php echo $food_r; ?></span></span></div>
            <div class="pl-md-3 pr-md-3"><b class="text-primary">INCOME &raquo;</b> Workers: <span id="refresh_worker_m"><span id="worker_m"><?php echo $worker_r; ?></span></span> &#8901; Farmers: <span id="refresh_farmer_m"><span id="farmer_m"><?php echo $farmer_r; ?></span></span></div>
            <div class="pl-md-3 pr-md-3"><b class="text-primary">BATTLE &raquo;</b> Warriors: <span id="refresh_warrior_m"><span id="warrior_m"><?php echo $warrior_r; ?></span></span> &#8901; Defenders: <span id="refresh_defender_m"><span id="defender_m"><?php echo $defender_r; ?></span></span> &#8901; Thieves: <span id="refresh_thief_m"><span id="thief_m"><?php echo $thief_r; ?></span></span></div>
            <div class="pl-md-3 pr-md-3"><b class="text-primary">WEAPONS &raquo;</b> Swords: <span id="refresh_sword_m"><span id="sword_m"><?php echo $sword_r; ?></span></span> &#8901; Shields: <span id="refresh_shield_m"><span id="shield_m"><?php echo $shield_r; ?></span></span></div>
            </div>
            </div>
        </div>
        </div>

        <div class="d-none d-lg-block">
        <div class="container-flex pt-3 pb-3" style="background-color: #191919">
            <div class="container"> 
            <div class="d-flex flex-wrap justify-content-left text-light">
            <div class="pl-2 pl-md-3 pr-2 pr-md-3 pt-1 pb-1"><b class="text-primary">TURNS &raquo;</b> <span id="refresh_turns"><span id="turns"><?php echo $turns_r; ?> <?php if($stats['turns'] < 250){ echo "<small class='text-warning'>(+5 turns in ".$time.")</small>"; }else{ echo "<small class='text-danger'>(Max. turns)</small>"; }?></span></span></div>
            <div class="pl-2 pl-md-3 pr-2 pr-md-3 pt-1 pb-1"><b class="text-primary">BANK &raquo;</b> Gold: <span id="refresh_bankgold"><span id="bankgold"><?php echo $bankgold_r; ?></span></span> &#8901; Food: <span id="refresh_bankfood"><span id="bankfood"><?php echo $bankfood_r; ?></span></span></div>
            <div class="pl-2 pl-md-3 pr-2 pr-md-3 pt-1 pb-1"><b class="text-primary">RESOURCES &raquo;</b> Gold: <span id="refresh_gold"><span id="gold"><?php echo $gold_r; ?></span></span> &#8901; Food: <span id="refresh_food"><span id="food"><?php echo $food_r; ?></span></span></div>
            <div class="pl-2 pl-md-3 pr-2 pr-md-3 pt-1 pb-1"><b class="text-primary">INCOME UNITS &raquo;</b> Workers: <span id="refresh_worker"><span id="worker"><?php echo $worker_r; ?></span></span> &#8901; Farmers: <span id="refresh_farmer"><span id="farmer"><?php echo $farmer_r; ?></span></span></div>
            <div class="pl-2 pl-md-3 pr-2 pr-md-3 pt-1 pb-1"><b class="text-primary">BATTLE UNITS &raquo;</b> Warriors: <span id="refresh_warrior"><span id="warrior"><?php echo $warrior_r; ?></span></span> &#8901; Defenders: <span id="refresh_defender"><span id="defender"><?php echo $defender_r; ?></span></span> &#8901; Thieves: <span id="refresh_thief"><span id="thief"><?php echo $thief_r; ?></span></span></div>
            <div class="pl-2 pl-md-3 pr-2 pr-md-3 pt-1 pb-1"><b class="text-primary">WEAPONS &raquo;</b> Swords: <span id="refresh_sword"><span id="sword"><?php echo $sword_r; ?></span></span> &#8901; Shields: <span id="refresh_shield"><span id="shield"><?php echo $shield_r; ?></span></span></div>
            </div>
            </div>
        </div>
        </div>

     </header>

1 个解决方案

解决方案1
 1 已采纳  2019-12-01 01:07:32

jQuery load方法不会执行 HTML 片段中包含的 JavaScript。 尝试改用get方法并使用回调将片段附加到您的页面。

尝试：

// main.php

<div id="stats_bar"></div>

<script>
  $(document).ready(function() {
    function loadlink() {
        $.get('ajax/stats_bar.php', function(res) {
            res = $(res).filter('#stats_bar');
            $('#stats_bar').replaceWith(res);
        });
    }
    loadlink();
  });
</script>

// statsbar.php

<div id="stats_bar">
  <h1>Test</h1>
  <script>
    console.log('it works!');
  </script>
</div>

请注意以下变化：

<script language="JavaScript" type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js">

到<script> 。

您需要将<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js">放入您的文档<head>和只需在代码块的开头使用<script>即可。

您正在加载的 PHP 文件中的 JavaScript 似乎也有一些错误。 替换这个：

<script language="JavaScript" type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js">

只有<script> 。

然后在底部，更改：

window.onload = function() {
  var tenMinutes = 60 * 10,
    display = document.querySelector('#time');
  startTimer(tenMinutes, display);
};

到：

$(document).ready(function() {
  var tenMinutes = 60 * 10,
    display = document.querySelector('#time');
  startTimer(tenMinutes, display);
});

POST 方法示例：

    function loadlink() {
        const data = {
          stats: {
            [...]
          }
        }

        $.post('ajax/stats_bar.php', data, function(res) {
            res = $(res).filter('#stats_bar');
            $('#stats_bar').replaceWith(res);
        });
    }

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