test:http://127.0.0.1:8080/demo/123,other:http://127.0.0.1:8080/123,

zcz project use sts tool dev

step:. 1:file--->spring start project. next select web √ -->next -->next--done!!!

https://blog.csdn.net/backhomedog/article/details/82925739

============================================================== test project add dependecy: