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Java .jar在其他计算机上不起作用

[英]Java .jar doesn't work on other computer

原文 2014-02-22 09:28:10 4 1 java/ eclipse/ batch-file/ jar/ ide

I made a simple card game using Eclipse Kepler. 我使用Eclipse Kepler做了一个简单的纸牌游戏。 I then exported it to a runnable .jar file. 然后，我将其导出到可运行的.jar文件。

When I double click the .jar file, nothing happens. 当我双击.jar文件时， 没有任何反应 。 So I made a .bat file: java -jar CardGame.jar 所以我制作了一个.bat文件： java -jar CardGame.jar

When I run it, it works fine, but when my friend runs it on his computer (yes, both files in the same directory) the cmd.exe will tell him: 'java' is not recognized as an internal or external command 当我运行它时，它可以正常工作，但是当我的朋友在他的计算机上运行它（是的，两个文件都在同一目录中）时，cmd.exe会告诉他： 'java' is not recognized as an internal or external command

After some searching I read that I had to add %JAVA_HOME% in the .bat file. 经过一些搜索，我读到我必须在.bat文件中添加%JAVA_HOME% 。 This made no difference for me , but it will still not run on my friend's computer. 这对我没有影响，但仍无法在我朋友的计算机上运行。

So my questions are: 所以我的问题是：
- What is wrong with my .jar or .bat file? -我的.jar或.bat文件怎么了？
- Can I run it without the .bat file, if so how? -如果没有.bat文件，我可以运行它吗？

1 个解决方案

He needs to have Java installed in the default path. 他需要在默认路径中安装Java。

The easiest way to get that is to go to http://java.com/en/download/installed.jsp and follow instructions until Java is reported installed. 最简单的方法是访问http://java.com/en/download/installed.jsp并按照说明进行操作，直到报告已安装Java。

After that your friend should be able to run it. 之后，您的朋友应该可以运行它了。