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为了不手动修改tomcat配置文件,我在context.xml文件中,配置了形如${user_name}这样的参数,系统环境变量中配置了user_name=张三,但是并不能读取到这个值,有什么方法可以获取到系统环境变量?


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在bin目录下新建文件setenv.sh,添加内容:JAVA_OPTS="-Dusername=$USERNAME",tomcat会自动加载这个文件,然后文件中就可以用${username}获取到内容了


与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
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