我正在尝试从命令行编译并运行在IntelliJ中完成的Java项目,但我对如何执行它感到有些困惑。这是我的项目结构:
├───src
│ ├───main
│ │ ├───java
│ │ │ │ Main.java // Main method's in here.
│ │ │ │
│ │ │ ├───objectclasses
│ │ │ │ Application.java
│ │ │ │
│ │ │ └───utils
│ │ │ Defs.java
│ │ │ Api.java
│ │ │ FileIO.java
│ │ │
│ │ └───resources
│ │ applicationIDs.tmp
│ │ applications.csv
│ │
│ └───test
│ └───java
└───target
// .class files compiled by IntelliJ
进入命令行,导航到java
目录,然后键入:
javac Main.java
无效,并返回错误,指出找不到代码中引用的所有软件包和符号。我也尝试过导航到根目录并运行:
javac -d target -sourcepath src src/main/java/Main.java
返回类似的错误。最后,我尝试了以下内容,并直接说“没有源文件”:
$ javac -d target -sourcepath src -cp .
返回的错误:
src\main\java\Main.java:1: error: package objectclasses does not exist
import objectclasses.Application;
^
src\main\java\Main.java:2: error: package utils does not exist
import utils.Defs;
^
src\main\java\Main.java:3: error: package utils does not exist
import utils.Api;
^
src\main\java\Main.java:4: error: package utils does not exist
import utils.FileIO;
^
src\main\java\Main.java:58: error: cannot find symbol
private static void updateApplicationsFile(List<Application> applications)
^
symbol: class Application
location: class Main
src\main\java\Main.java:17: error: cannot find symbol
Api api= new Api(
^
symbol: class Api
location: class Main
src\main\java\Main.java:17: error: cannot find symbol
Api api = new Api(
^
symbol: class Api
location: class Main
src\main\java\Main.java:18: error: cannot find symbol
Defs.API_JSONRPC,
^
symbol: variable Defs
location: class Main
src\main\java\Main.java:19: error: cannot find symbol
Defs.API_ID,
^
symbol: variable Defs
location: class Main
src\main\java\Main.java:20: error: cannot find symbol
Defs.API_KEY,
^
symbol: variable Defs
location: class Main
src\main\java\Main.java:21: error: cannot find symbol
Defs.API_SESSION_ID,
^
symbol: variable Defs
location: class Main
src\main\java\Main.java:22: error: cannot find symbol
Defs.API_DOMAIN);
^
symbol: variable Defs
location: class Main
src\main\java\Main.java:26: error: cannot find symbol
List<Application> applications = api.getApplicationsFromIDList(applicationIDs);
^
symbol: class Application
location: class Main
src\main\java\Main.java:40: error: cannot find symbol
FileIO.writeIDsToFile(applicationIDs);
^
symbol: variable FileIO
location: class Main
src\main\java\Main.java:63: error: cannot find symbol
FileIO.writeApplicationsToFile(applications);
^
symbol: variable FileIO
location: class Main
15 errors
我以前从未做过这样的事情,所以我可能会错过一些显而易见的事情。有什么帮助吗?
因此,感谢Thilo,我设法从命令行运行了该文件。这是一个Maven项目,这意味着应通过Maven命令对其进行编译和运行。这些是我采取的步骤:
步骤1:确保已安装Maven。
第2步:pom.xml
在项目的根文件夹中打开。
步骤3:将以下插件添加到<build><plugins></plugins></build>
标签中:
<plugin>
<artifactId>maven-assembly-plugin</artifactId>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>single</goal>
</goals>
</execution>
</executions>
<configuration>
<descriptorRefs>
<descriptorRef>jar-with-dependencies</descriptorRef>
</descriptorRefs>
<archive>
<manifest>
<mainClass>Main</mainClass>
</manifest>
</archive>
</configuration>
</plugin>
步骤4:在命令行中导航到项目的根文件夹。
第5步:运行mvn compile
和mvn package
。
步骤6:记下JAR文件在返回的日志中指定的目录中的位置。就我而言,是:
target\App-1.0-SNAPSHOT-jar-with-dependencies.jar
步骤7:使用以下命令运行JAR文件 java -jar target\App-1.0-SNAPSHOT-jar-with-dependencies.jar
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