java 使用命令行工具构建时如何添加 .jar 文件依赖项？
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How can I add a .jar file dependencies when building it with the command line tool?
提问by makoshichi
Pretty straightforward question. Can it be done without the use of Ants or Maven? (And by that, I mean the command line tool specifically)
很直接的问题。可以不使用 Ants 或 Maven 来完成吗？（我指的是命令行工具）
Please notice that I don't want to create an uberjar, I just want the archived unit to "know" where its external dependencies are.
请注意，我不想创建 uberjar，我只想让存档单元“知道”其外部依赖项在哪里。
采纳答案by ptomli
Presuming you're talking about a command line invocation of javac, what you're talking about is "can I provide libraries as arguments to javac to fulfill requirements during compilation".
假设您正在谈论 的命令行调用javac，那么您所谈论的是“我可以提供库作为 javac 的参数以满足编译期间的要求”。
Top entry for man javacsays
顶部条目man javac说
-classpath classpath Sets the user class path, overriding the user class path in the CLASSPATH environment variable. If neither CLASSPATH or -class- path is specified, the user class path consists of the current directory. See Setting the Class Path for more details.
-classpath classpath Sets the user class path, overriding the user class path in the CLASSPATH environment variable. If neither CLASSPATH or -class- path is specified, the user class path consists of the current directory. See Setting the Class Path for more details.
Effectively I suspect you just need to say
实际上我怀疑你只需要说
javac -classpath path/to/library1.jar Main.java
javac -classpath path/to/library1.jar Main.java
回答by tenshi
You can make it through META-INF/MANIFEST.MF. You can add other jars to the classpath like this:
你可以通过META-INF/MANIFEST.MF。您可以像这样将其他 jar 添加到类路径中：
Manifest-Version: 1.0
Main-Class: org.domain.MyMainClass
Class-Path: lib/slf4j-log4j12-1.5.8.jar lib/slf4j-api-1.5.8.jar
I believe, that it works only if you define Main-Classand start your application like this:
我相信，它只有在您Main-Class像这样定义和启动应用程序时才有效：
java -jar my-app.jar
Also notice, that classpath paths are relative to the main jar. So in my example directory structure should look like this:
另请注意，类路径路径是相对于主 jar 的。所以在我的示例目录结构应该是这样的：
- my-app.jar
- lib
- slf4j-log4j12-1.5.8.jar
- slf4j-api-1.5.8.jar
- 我的应用程序.jar
- 库
- slf4j-log4j12-1.5.8.jar
- slf4j-api-1.5.8.jar
回答by Prasanna Talakanti
I think what you are looking for is a manifest file, Look here for more details http://download.oracle.com/javase/tutorial/deployment/jar/downman.html
我认为您正在寻找的是一个清单文件，请在此处查看更多详细信息 http://download.oracle.com/javase/tutorial/deployment/jar/downman.html
