Shulou(Shulou.com)06/03 Report--

Springboot startup can pass startup parameters to the program through the java-jar xxx.jar parameter.

Passing parameters through args [] is very inelegant, and different systems will have singularities. The windows system will write a line of identification in the parameters, but the Linux system will not, and a few parameters will be arranged according to the number of digits in the array.

Here's an elegant way to inject attributes through @ Value with the help of attributes in application.properties.

The code is as follows: @ Componentbr/ > @ Component

@ Value ("${contextPath}") private String contextPath;public String getPath () {return contextPath;}

}

The installation package path defaults to empty

ContextPath=

Start with java-jar xxx.jar-- contextPath= "/ home/app/"

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