Java 为什么我的.jar文件只能从IntelliJ打开?
我的JavaFX文件有问题。它们在我的IDE中工作得非常好,但是当我构建一个.jar文件并尝试在环境之外运行它时,问题就从这里开始Java 为什么我的.jar文件只能从IntelliJ打开?,java,javafx,javafx-8,Java,Javafx,Javafx 8,我的JavaFX文件有问题。它们在我的IDE中工作得非常好,但是当我构建一个.jar文件并尝试在环境之外运行它时,问题就从这里开始 双击文件本身不起任何作用。没有通信,没有信号,甚至命令行一秒钟也没有弹出。没什么 当我尝试从命令行运行它时,我收到以下消息: 错误:无法找到或加载主类com.javafx.main.main 原因:java.lang.NoClassDefFoundError:javafx/application/application 下面是提到的“main.main”类: 我
我不知道为什么在我的环境之外运行FX应用程序时会遇到这样的问题。为什么同一个应用程序在里面运行得非常好!如果有人能解释这种情况,我将不胜感激。您必须在类路径中定义您的主类,例如当您尝试运行jar时,系统知道哪个是您的起点(该类包含主函数) 接下来,您必须将依赖项绑定到jar。依赖关系是应用程序依赖的其他JAR(可以说是库) 实现这两个目标最常见的方法是使用Maven Maven处理依赖项及其版本以及jar的构建 Maven需要一个pom.xml文件来为您管理一切。 我用于创建具有maven依赖项的jar文件的模板是:
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>your-groupId</groupId>
<artifactId>Your-artifact</artifactId>
<version>0.1</version>
<packaging>jar</packaging>
<!--This is how you pass dependencies -->
<dependencies>
<!-- https://mvnrepository.com/artifact/mysql/mysql-connector-java -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.39</version>
</dependency>
<dependency>
<groupId>com.google.code.gson</groupId>
<artifactId>gson</artifactId>
<version>2.8.5</version>
</dependency>
</dependencies>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>1.8</maven.compiler.source>
<maven.compiler.target>1.8</maven.compiler.target>
</properties>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.7.0</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-assembly-plugin</artifactId>
<version>3.1.0</version>
<configuration>
<archive>
<manifest>
<mainClass>your-path-of-the-main-class</mainClass>
</manifest>
</archive>
<descriptorRefs>
<descriptorRef>jar-with-dependencies</descriptorRef>
</descriptorRefs>
</configuration>
<executions>
<execution>
<id>make-assembly</id>
<phase>package</phase>
<goals>
<goal>single</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-javadoc-plugin</artifactId>
<version>3.0.0</version>
<executions>
<execution>
<id>attach-javadoc</id>
<goals>
<goal>jar</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-source-plugin</artifactId>
<version>3.0.1</version>
<executions>
<execution>
<id>attach-source</id>
<goals>
<goal>jar</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>
4.0.0
你的群组ID
你的神器
0.1
罐子
mysql
mysql连接器java
5.1.39
com.google.code.gson
格森
2.8.5
UTF-8
1.8
1.8
org.apache.maven.plugins
maven编译器插件
3.7.0
1.8
1.8
org.apache.maven.plugins
maven汇编插件
3.1.0
主类的路径
带有依赖项的jar
组装
包裹
单一的
org.apache.maven.plugins
maven javadoc插件
3.0.0
附加javadoc
罐子
org.apache.maven.plugins
maven源插件
3.0.1
附加源
罐子
尝试创建这里提到的jar文件:谢谢,我想有进展了。。。。。?现在,当我尝试用命令行运行它时,我得到了不同的错误消息。此:错误:缺少JavaFX运行时组件,运行此应用程序需要这些组件,是的,我已正确设置了VM。我没有从环境中得到这个错误。
Main.java:3: error: package com.javafx.controllers does not exist
import com.javafx.controllers.OptionsController;
^
Main.java:40: error: cannot find symbol
OptionsController.backgroundMusic();
^
symbol: variable OptionsController
location: class Main
2 errors
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>your-groupId</groupId>
<artifactId>Your-artifact</artifactId>
<version>0.1</version>
<packaging>jar</packaging>
<!--This is how you pass dependencies -->
<dependencies>
<!-- https://mvnrepository.com/artifact/mysql/mysql-connector-java -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.39</version>
</dependency>
<dependency>
<groupId>com.google.code.gson</groupId>
<artifactId>gson</artifactId>
<version>2.8.5</version>
</dependency>
</dependencies>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>1.8</maven.compiler.source>
<maven.compiler.target>1.8</maven.compiler.target>
</properties>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.7.0</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-assembly-plugin</artifactId>
<version>3.1.0</version>
<configuration>
<archive>
<manifest>
<mainClass>your-path-of-the-main-class</mainClass>
</manifest>
</archive>
<descriptorRefs>
<descriptorRef>jar-with-dependencies</descriptorRef>
</descriptorRefs>
</configuration>
<executions>
<execution>
<id>make-assembly</id>
<phase>package</phase>
<goals>
<goal>single</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-javadoc-plugin</artifactId>
<version>3.0.0</version>
<executions>
<execution>
<id>attach-javadoc</id>
<goals>
<goal>jar</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-source-plugin</artifactId>
<version>3.0.1</version>
<executions>
<execution>
<id>attach-source</id>
<goals>
<goal>jar</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>