莱宁根有多个主要班级 [英] leiningen with multiple main classes

问题描述

我想用leiningen有两个主要的类(或更多类)，然后能够在java命令行中选择哪个.例如，我有:

I'd like to have two main classes (or more) with leiningen, and then be able to choose which one at the java command line. For example I have:

(ns abc (:gen-class))
(defn -main [] (println "abc"))

(ns def (:gen-class))
(defn -main [] (println "def"))

在project.clj中具有:

With a project.clj having:

(defproject my-jar "0.0.1"
 :description "test"
 :dependencies [
 ]
 :main abc)

然后用lein uberjar构建，然后运行:

Then I build with lein uberjar, and run:

java -cp my-jar-0.0.1-standalone.jar abc
java -cp my-jar-0.0.1-standalone.jar def

我知道，当我在project.clj中指定:main abc时，它已将其作为清单中的主类调用，但是如果没有放置 something .但是，无论哪种方式，当我尝试运行'def'main时，都找不到一个类:

I get it that when I specified :main abc in the project.clj it was calling that out as the main-class in the manifest, but I couldn't get it to run without putting something. But either way when I try to run the 'def' main, I get a class not found:

Exception in thread "main" java.lang.NoClassDefFoundError: def

推荐答案

我将:aot [abc def]添加到project.clj中以生成编译后的代码，并且可以正常工作.

I added :aot [abc def] to the project.clj to generate compiled code and it worked.

这篇关于莱宁根有多个主要班级的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！