从 PHP 脚本获取变量到 HTML 脚本？

Question

So I have an index.html with the following code below.所以我有一个带有以下代码的 index.html 。 I want to get the variable "variableFromMyPHPscript" into my index.html from my GetVariable.php file.我想从我的 GetVariable.php 文件中将变量“variableFromMyPHPscript”放入我的 index.html 中。

    <!doctype html>
<html>

<head>
    <meta charset = "utf-8">  
</head>

<body>
        <p>Random Text....</p>
</body>

</html>

<script>

      console.log(variableFromMyPHPscript);

</script>

And here is my PHP script (GetVariable.php) which uses json to get a value from my database so that it can be stored as a variable.这是我的 PHP 脚本 (GetVariable.php)，它使用 json 从我的数据库中获取一个值，以便将其存储为变量。

    <script>

   var variableFromMyPHPscript = <?php

           $link = mysqli_connect('....', '....', '....', '....');
           $query = "select * from thunderDemo";
           $result = mysqli_query($link, $query);

           while($row = mysqli_fetch_array($result))
           {
                   if($row["ThunderOrNot"] == 'Thunder')
                   {
                       echo json_encode("Thunder1");
                   }
           }

                mysqli_close($link); 
           ?>;

</script>

So how would I go about getting the value of "variableFromMyPHPscript" from my PHP file to my HTML file so that I can use it with the JavaScript within the HTML file?那么我如何将“variableFromMyPHPscript”的值从我的 PHP 文件获取到我的 HTML 文件，以便我可以将它与 HTML 文件中的 JavaScript 一起使用？ Thank you for any help!感谢您的任何帮助！

Answer 1

So i'm not sure if you're entirely aware of this, but PHP typically either outputs HTML (since PHP files can contain HTML) but this is a sort of older way of doing things.所以我不确定您是否完全意识到这一点，但 PHP 通常要么输出 HTML（因为 PHP 文件可以包含 HTML），但这是一种较旧的做事方式。 A better approach would be using some sort of MVC design pattern where you have designated views which receive their data from a controller, etc.更好的方法是使用某种 MVC 设计模式，您可以指定从控制器等接收数据的视图。

If you are just looking for a quick and dirty fix for getting data from a php script to HTML, the comment above which mentions AJAX would probably be your best bet.如果您只是在寻找将数据从 php 脚本获取到 HTML 的快速而肮脏的解决方案，那么上面提到 AJAX 的评论可能是您最好的选择。 I would use something like JQuery on the frotnend to make an AJAX request to the PHP file and display the data in HTML/ Here is a good link on how to do that:我会在前端使用类似 JQuery 的东西向 PHP 文件发出 AJAX 请求并以 HTML/ 显示数据，这是一个关于如何做到这一点的好链接：

Ajax tutorial for post and get 用于发布和获取的 Ajax 教程

Answer 2

The easiest approach is to have an index.php file in which to encode the result in JSON and echo it to HTML/JS, something like:最简单的方法是拥有一个index.php文件，在其中将结果编码为 JSON 并将其回显到 HTML/JS，例如：

index.php索引.php

<?php
       $link = mysqli_connect('....', '....', '....', '....');
       $query = "select * from thunderDemo";
       $result = mysqli_query($link, $query);
       $content = '';          

       while($row = mysqli_fetch_array($result))
       {
               if($row["ThunderOrNot"] == 'Thunder')
               {
                   $content .= "Thunder1";
               }
       }

            mysqli_close($link); 
?>
<!doctype html>
<html>

<head>
    <meta charset = "utf-8">  
</head>

<body>
        <p>Random Text....</p>
</body>

</html>
<script>
      var variableFromMyPHPscript = "<?php echo json_encode($content); ?>";
      console.log(variableFromMyPHPscript);

</script>

从 PHP 脚本获取变量到 HTML 脚本？

问题描述

2 个解决方案

解决方案1
0 2016-05-13 16:46:14

解决方案2
0 2016-05-13 16:48:12

从 PHP 脚本获取变量到 HTML 脚本？

问题描述

2 个解决方案

解决方案1 0 2016-05-13 16:46:14

解决方案2 0 2016-05-13 16:48:12

解决方案1
0 2016-05-13 16:46:14

解决方案2
0 2016-05-13 16:48:12