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java - 我可以从代码中设置环境变量吗?

转载 作者:塔克拉玛干 更新时间:2023-11-02 19:28:44 26 4
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我正在尝试安装 apche tomcat。需要设置环境变量,如何设置环境变量?

我尝试使用 ProcessBuilder 但它不起作用:

ProcessBuilder pb = new ProcessBuilder("CMD.exe", "/C", "SET"); // SET prints out the environment variables  
pb.redirectErrorStream(true);
Map<String,String> env = pb.environment();
String path = env.get("CATALINA_HOME") + apachePath;
env.put("CATALINA_HOME", path);
Process process = null;
try {
process = pb.start();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}

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