如何在不双击 JNLP 的情况下使 java web start 自动启动
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How to make java web start launch automatically without double click on the JNLP
提问by ManKeer
I have a java applet application which is accessed by our customers through our website. Since Microsoft edge and chrome stopped supporting java plug in, we converted the applet to be launched through JNLP and Java Web Start, Unfortunately, In both browsers the JNLP downloaded and the customer should double click the file in order to launch a Java Web Start.
我有一个 Java 小程序应用程序，我们的客户可以通过我们的网站访问它。由于 Microsoft edge 和 chrome 停止支持 java 插件，我们将小程序转换为通过 JNLP 和 Java Web Start 启动，不幸的是，在两种浏览器中都下载了 JNLP，客户应双击该文件以启动 Java Web Start。
Our customers totally disappointed from this behavior, And I'm trying to find a solution for this issue.
我们的客户对这种行为感到非常失望，我正在努力为这个问题找到解决方案。
采纳答案by SubOptimal
Possible solutions
可能的解决方案
1)Change the behavior in the browser to ask the user what to do when he click on a JNLP link. Then the user can select Open with: Java web start launcheror save file.
1)更改浏览器中的行为，询问用户单击 时要执行的操作JNLP link。然后用户可以选择Open with: Java web start launcher或save file。
editIt's working in Firefox but it doesn't work with Chrome: see related bug reports 10877and the open issues
编辑它在 Firefox 中工作，但不适用于 Chrome：请参阅相关错误报告10877和未解决的问题
2)Provide a script to the user which executesjavaws https://example.com/your_application.jnlp
2)向用户提供执行的脚本javaws https://example.com/your_application.jnlp
An example for demonstration (application link taken from Oracle tutorial: Running a Java Web Start Application)
演示示例（应用程序链接取自 Oracle 教程：运行 Java Web Start 应用程序）
javaws https://docs.oracle.com/javase/tutorialJWS/samples/deployment/NotepadJWSProject/Notepad.jnlp
This will open a simple Java application.
这将打开一个简单的 Java 应用程序。
editFor the fearless there is a hacky solution for Chrome.
编辑对于无所畏惧的 Chrome，有一个 hacky 解决方案。
- close Chrome, and keep in mind to always make a copy of the files altered in the next steps ;-)
- find in the Chrome library
chrome.[so|dll]the bytesjnlpand patch them as e.g.jnl- - find in your Chrome user profile directory the file
Preferencesand amend it as ...
- 关闭 Chrome，并记住始终复制在后续步骤中更改的文件；-)
- 在 Chrome 库中找到
chrome.[so|dll]字节jnlp并将它们修补为例如jnl- - 在您的 Chrome 用户配置文件目录中找到该文件
Preferences并将其修改为...
.
.
"download": {
...
"extensions_to_open": "jnlp",
...
},
Next time you click on a link to a JNLP file it will be opened automatically (with the application which is assigned to open this file type, normally it's javaws).
下次您单击 JNLP 文件的链接时，它将自动打开（使用指定用于打开此文件类型的应用程序，通常是javaws）。
The property was found after having a look into the source pref_names.cc. But Chrome treat the extension jnlpas dangerousthat's why we need to patch the library as well.
在查看源pref_names.cc后发现了该属性。但是 Chrome 将扩展程序jnlp视为危险的，这就是我们也需要修补库的原因。
