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我正在制作一个网站,我需要有一个 VNC 查看器。我已经使用了 Tight VNC,并且他们有一个 Java 查看器。此代码能够作为小程序运行,但现代浏览器(如 Chrome 和 Firefox)不允许小程序。还有另一种在 Chrome 上运行 Java 代码的方法吗?

我读过一些浏览器支持 Java Web Start,但我认为 Chrome 不支持。如果 Chrome 确实可以帮助我将此小程序转换为 JNLP 文件吗?

<applet archive="tightvnc-jviewer.jar"
    code="com.glavsoft.viewer.Viewer"
    width="1" height="1">
    <param name="Host" value="localhost"/>
    <!-- Host to connect. Default:  the host from which the applet was loaded. -->
    <param name="Port" value="5900"/>
    <!-- Port number to connect. Default: 5900 -->
    <!--param name="Password" value="" /--> <!-- Password to the server (not recommended to use this parameter here) -->
    <param name="OpenNewWindow" value="yes"/>
    <!-- yes/true or no/false. Default: yes/true -->
    <param name="ShowControls" value="yes"/>
    <!-- yes/true or no/false. Default: yes/true -->
    <param name="ViewOnly" value="no"/>
    <!-- yes/true or no/false. Default: no/false -->
    <param name="AllowClipboardTransfer" value="yes"/>
    <!-- yes/true or no/false. Default: yes/true -->
    <param name="RemoteCharset" value="standard"/>
    <!-- Charset encoding is used on remote system. Use this option to specify character encoding will be used for encoding clipboard text content to. Default value (when parameter is empty): local system default character encoding. Set the value to 'standard' for using 'Latin-1' charset which is only specified by rfb standard for clipboard transfers. -->

    <param name="ShareDesktop" value="yes"/>
    <!-- yes/true or no/false. Default: yes/true -->
    <param name="AllowCopyRect" value="yes"/>
    <!-- yes/true or no/false. Default: yes/true -->
    <param name="Encoding" value="Tight"/>
    <!-- Possible values: "Tight", "Hextile", "ZRLE", and "Raw". Default: Tight -->
    <param name="CompressionLevel" value=""/>
    <!-- 1-9 or empty. Empty means server default -->
    <param name="JpegImageQuality" value=""/>
    <!-- 1-9, Lossless or empty. When param is set to "Lossless" no jpeg compression used. Empty means server default -->
    <param name="LocalPointer" value="On"/>
    <!-- Possible values: on/yes/true (draw pointer locally), off/no/false (let server draw pointer), hide). Default: "On"-->
    <param name="ConvertToASCII" value="no"/>
    <!-- Whether to convert keyboard input to ASCII ignoring locale. Possible values: yes/true, no/false). Default: "No"-->

    <param name="Tunneling" value="auto"/>
    <!-- Tunneling. Possible values:
    auto - allow viewer to choose tunneling mode,
    none/no - no tunneling use,
    SSL - choose SSL tunneling when available.
    Default: "auto" -->

    <param name="colorDepth" value=""/>
    <!-- Reserved for future. Possible values: 6, 8, 16, 24, 32 (equals to 24). Only 24/32 is supported now -->
    <param name="ScalingFactor" value="100"/>
    <!-- Scale local representation of the remote desktop on startup. Default is 100 means 100% -->
    <!--param name="showConnectionDialog" value="yes" /-->
    <!-- Set to "No" if you want not to show initial connection dialog. Default: "Yes". -->
    <param name="AppletGoodbyeURL" value="about:blank"/>
    <!-- URL to be redirected on applet stopping. When blank or absent stop applet and do nothing. -->
    <!-- SSH tunneling options -->
    <param name="sshHost" value=""/>
    <!-- SSH host name. -->
    <param name="sshUser" value=""/>
    <!-- SSH port number. When empty, standard SSH port number (22) is used -->
    <param name="sshPort" value=""/>
    <!-- SSH user name. -->

</applet>

如果您想要 .jar 文件,可在http://www.tightvnc.com/download.php下载

如果无法从 Chrome 运行 Java,我有没有办法创建一个链接,将用户打开到 Internet Explorer 中的该页面?

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2 回答 2

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Chrome 和 Firefox 都不支持 Java 小程序。您必须切换到 HTML5 或 Flash。

于 2017-06-13T21:10:26.717 回答
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Chrome 和 Firefox 不久前放弃了 Java 支持。Edge 一开始就不支持它。您可以从每个浏览器打开 .jnlp 文件(请参见此处的示例),但这就像打开您从 Internet 某处下载的任何可执行文件一样。查看上面的示例,看看它在每个浏览器中的行为方式。

如果无法从 Chrome 运行 Java,我有没有办法创建一个链接,将用户打开到 Internet Explorer 中的该页面?

不,你不能切换浏览器。这将是一个巨大的安全风险,你会在 macOS 或 linux 上做什么?

关于迁移到 webstart *racle在此处此处提供了一些支持。

于 2017-06-14T06:58:46.890 回答