如何将JavaFX Jar打包为带安装程序的可执行文件并实现开机自启

Hey there! Let's break down how to solve your two key requirements: turning your JavaFX JAR into a standalone executable that works without a JDK installed, and setting it to automatically launch when the system starts up or wakes from sleep.

The official, most reliable way to do this is using jlink (to create a custom JRE tailored to your app) and jpackage (to wrap the JRE and JAR into a native executable). Here's how:

1. Prerequisites: Make sure you're using Java 11 or later (JavaFX became a separate module starting with Java 11) and have the JavaFX SDK downloaded.
2. Create a custom JRE with jlink:
   Run this command in your terminal (replace placeholders with your actual paths and module name):

   jlink --module-path "path/to/javafx-sdk/lib;path/to/your/compiled/modules" --add-modules your.app.module.name --output custom-jre
   

   • If your app isn't modular (no module-info.java), you can skip jlink and directly use jpackage with the --add-modules flag to specify required JavaFX modules (e.g., javafx.controls,javafx.fxml).
3. Build the native executable with jpackage:
   • Windows:

     jpackage --name YourAppName --input ./path/to/your/jar --main-jar your-app.jar --runtime-image ./custom-jre --type exe --win-shortcut --win-menu
     

     This creates an EXE installer that adds a shortcut to your Start Menu and desktop.
   • macOS:

     jpackage --name YourAppName --input ./path/to/your/jar --main-jar your-app.jar --runtime-image ./custom-jre --type app-image --mac-package-name "Your App Name"
     

     This outputs a .app bundle ready to be moved to your Applications folder.
   • Linux:

     jpackage --name YourAppName --input ./path/to/your/jar --main-jar your-app.jar --runtime-image ./custom-jre --type deb
     

     This creates a Debian package (use --type rpm for Red Hat-based systems).

The method varies by operating system—here's how to do it for each major platform:

Windows #

Option 1: Startup Folder #

• Press Win + R, type shell:startup, and hit Enter to open the user-specific startup folder.
• Create a shortcut to your app's EXE file and paste it into this folder. The app will launch when you log in, and it should remain running after waking from sleep.

Option 2: Registry Editor #

• Open the Registry Editor (regedit), navigate to HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run.
• Right-click in the right pane, select New > String Value. Name it after your app, then set its value to the full path of your EXE (e.g., "C:\Program Files\YourApp\YourApp.exe").

For Wake-from-Sleep Reliability #

If you need to ensure the app restarts if it closes during sleep, use Task Scheduler:

• Create a new task, set the trigger to Workstation Unlock (triggers when the system wakes up).
• Set the action to Start a program and select your app's EXE.

macOS #

Basic Login Auto-Launch #

• Open System Settings > General > Login Items.
• Click the + button, navigate to your .app bundle in the Applications folder, and add it. The app will launch when you log in and stay running after sleep.

Persistent Auto-Launch (With Restart on Crash/Wake) #

For more reliability, use launchd:

1. Create a plist file at ~/Library/LaunchAgents/com.yourcompany.yourapp.plist (replace placeholders with your details):

   <?xml version="1.0" encoding="UTF-8"?>
   <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
   <plist version="1.0">
   <dict>
       <key>Label</key>
       <string>com.yourcompany.yourapp</string>
       <key>ProgramArguments</key>
       <array>
           <string>/Applications/YourApp.app/Contents/MacOS/YourApp</string>
       </array>
       <key>RunAtLoad</key>
       <true/>
       <key>KeepAlive</key>
       <true/>
   </dict>
   </plist>
   

2. Load the plist with this command:

   launchctl load ~/Library/LaunchAgents/com.yourcompany.yourapp.plist
   

   The KeepAlive key ensures the app restarts if it crashes or closes, including after waking from sleep.

Linux #

Desktop Environment Auto-Launch #

• Create a .desktop file at ~/.config/autostart/your-app.desktop with this content:

  [Desktop Entry]
  Type=Application
  Name=YourApp
  Exec=/full/path/to/your/executable
  Hidden=false
  NoDisplay=false
  X-GNOME-Autostart-enabled=true
  

  This works for GNOME, KDE, and most other desktop environments.

Systemd Service (For Advanced Control) #

If you need the app to restart automatically after crashes or sleep, use a systemd user service:

1. Create a service file at ~/.config/systemd/user/your-app.service:

   [Unit]
   Description=Your JavaFX Application
   [Service]
   ExecStart=/full/path/to/your/executable
   Restart=always
   [Install]
   WantedBy=default.target
   

2. Enable and start the service:

   systemctl --user enable your-app.service
   systemctl --user start your-app.service
   

   The Restart=always option ensures the app runs on login and restarts if it stops, even after waking from sleep.

内容的提问来源于stack exchange，提问作者Rocky