Delphi、EmbeddedWB/TWebbrowser - jQuery 未执行

发布于 2024-11-26 06:58:11 字数 1683 浏览 2 评论 0原文

我正在使用 EmbeddedWB（TWebbrowser 扩展）来执行某些动态生成的内容的“实时预览”。

我正在尝试将 jQuery 添加到其中，这样我就可以获得一些奇特的效果，但是由于 IE9 总是要求每个该死的页面“允许阻止内容”，因此肯定不会允许动态生成的页面（Webbrowser.LoadFromString）玩得开心。简单来说：它不允许 Javascript 执行。

我尝试将 SecurityManager 添加到我的 TEmbeddedWB，但这也没有成功。我在 Firefox 和 IE9 中测试了我的动态代码，它可以工作（当然，在 IE9 中我必须首先允许，这就是我发现这是一个安全问题的方式）。

有没有一种轻松的方法来解决这个问题，而无需手动进入 IE 并进行一些调整？或者我对问题的原因完全错误？

编辑：尝试本文的方法后，IE不会询问是否应该允许更多的东西，但是我的脚本仍然没有在我的 TEmbeddedWB/TWebbrowser 中执行。

编辑 2：好吧，通过删除 jQuery 代码并显示一个简单的警报，我被迫得出结论：JS 现在正在执行，但 jQuery 没有。

编辑 3：这是我的应用程序生成的（精简的）HTML 代码，其中 jQuery 在我的 EmbeddedWB/TWebbrowser 控件中不起作用 - 但是，它在 Internet Explorer 中运行9 本身：

<!DOCTYPE html>
<html>
<head>
    <meta http-equiv="X-UA-Compatible" content="IE=9" />
    <script type="text/javascript" src="file://C:\jQuery.js"></script>
</head>
<body>
    <center>
    <p>
      Some stuff here!
    </p>
    </center>

    <script type="text/javascript" language="javascript">
    $(document).ready(function(){
            alert('I Am jQuery!!!!');
    });
    </script>
</body>
</html>

EDIT4：我也尝试将 src 切换到 Google 托管的 jQuery，但这也不起作用。删除元标记也没有修复它。只是让您知道我在您浪费时间建议之前尝试过的东西:)

EDIT5：通过导航到使用 jQuery (Webbrowser.Navigate) 的网站，该网站按预期工作。但是，当从我的本地 test.html 执行此操作或通过执行 .LoadFromString(); 时，它将不起作用。

不起作用 = jQuery 代码不执行。

原文

I am using EmbeddedWB (A TWebbrowser extension) to do like a "live preview" of some dynamically generated content.

I am trying to add jQuery into the mix, so I can get some fancy effects going on, however since IE9 always asks "Allow blocked content" for each and every damn page, a dynamically generated one (Webbrowser.LoadFromString) certainly wont be allowed to have fun. To put it simple: It wont allow Javascript execution.

I tried adding a SecurityManager to my TEmbeddedWB, however that did not do it either. I tested my dynamic code in Firefox, and in IE9, and it works (of course, in IE9 I have to allow first, which was how I found it was a security issue).

Is there a painless way to get around this, without having to manually go into IE and tweak something? Or am I completely wrong about the cause of the issue?

EDIT: After trying this article's method, IE does not ask if it should allow stuff anymore, however my script is still not being executed within my TEmbeddedWB/TWebbrowser..

EDIT 2: Okay, by removing the jQuery code, and displaying a plain Alert, I am forced to conclude that JS is now being executed, however jQuery is not.

EDIT 3: Here is the (stripped down) HTML code that my app generates, where jQuery is not working in my EmbeddedWB/TWebbrowser control - however, it works in Internet Explorer 9 itself:

<!DOCTYPE html>
<html>
<head>
    <meta http-equiv="X-UA-Compatible" content="IE=9" />
    <script type="text/javascript" src="file://C:\jQuery.js"></script>
</head>
<body>
    <center>
    <p>
      Some stuff here!
    </p>
    </center>

    <script type="text/javascript" language="javascript">
    $(document).ready(function(){
            alert('I Am jQuery!!!!');
    });
    </script>
</body>
</html>

EDIT4: I have also tried switching the src to a Google Hosted jQuery, and that did not work either. Removing the Metatag did not fix it either. Just letting you know of stuff I tried before you waste time on suggesting it :)

EDIT5: By navigating to a site that uses jQuery (Webbrowser.Navigate) the site was working as expected. However when doing it from my local test.html, or by doing .LoadFromString();, it will not work.

Will not work = jQuery code not executing.

分享到QQ

分享到微博

如果你对这篇内容有疑问，欢迎到本站社区发帖提问参与讨论，获取更多帮助，或者扫码二维码加入 Web 技术交流群。

发布评论

需要登录才能够评论，你可以免费注册一个本站的账号。

紫南 2024-12-03 06:58:12

它似乎可以工作

<script type="text/javascript" src="file://C:/jQuery.js"></script>
<script type="text/javascript" src="file:///jQuery.js"></script>

如果你为 jquery.js 文件使用正确的 URL或相对路径，

<script type="text/javascript" src="../../jQuery.js"></script>

，你也可以省略 file:// 协议：当你从文件加载 HTML 时，上面的工作原理。然而问题是，来自内存的内容和来自文件系统的 javascript 是否不被视为跨越安全上下文边界并因此被嵌入式浏览器拒绝。在这种情况下，直接在 HTML 内容中嵌入 jquery（使用

It seems to work if you use correct URL for the jquery.js file:

<script type="text/javascript" src="file://C:/jQuery.js"></script>
<script type="text/javascript" src="file:///jQuery.js"></script>

or a relative path, you can also omit the file:// protocol:

<script type="text/javascript" src="../../jQuery.js"></script>

The above works when you load the HTML from a file. The question is however, if content from memory and javascript from file system is not considered crossing a security context boundary and rejected for that reason by the embedded browser. In that case, embedding jquery directly in the HTML content (using the <script> tag) should work.

回复收藏 0 原文

~没有更多了~