生成项目
sbt new playframework/play-scala-seed.g8

运行项目
sbt run

sbt run -Dhttp.port=9100


http://127.0.0.1:9000/

启动日志信息
[info] loading settings for project playdemo-build from plugins.sbt ...
[info] loading project definition from /Users/dugang/demo/playdemo/project
[info] p.c.s.AkkaHttpServer - Listening for HTTP on /0:0:0:0:0:0:0:0:9000

INFO  play.api.http.EnabledFilters  Enabled Filters (see  https://www.playframework.com/documentation/latest/Filters ):
    play.filters.csrf.CSRFFilter
    play.filters.headers.SecurityHeadersFilter
    play.filters.hosts.AllowedHostsFilter
INFO  play.api.Play  Application started (Dev) (no global state)

https://www.playframework.com/documentation/latest/Filters



项目导入 IDEA
先编译 再导入 
导入成功后 
源码目录会变成 蓝色
controller 目录右键 new  会出现  [scala class] 菜单
 
run  / edit configurations 
添加一个 sbt task  
name  playdemo
tasks 里 输入 run
use sbt shell  不要勾选

vm parameters 输入jvm参数 指定端口
-Dhttp.port=9100

RUN  OR  DEBUG      playdemo
运行 或 debug 项目 




https://gitee.com/dyyx/hellocode/tree/master/demo/scala/playdemo


 play REST hello 实例  
 play框架调试关键代码