注意
由于 Go 是不支持热编译特性的，每一次代码变更后都要重新手动停止、编译、运行代码文件。 run 命令也不是实现热编译功能，而是提供了自动编译功能，当开发者修改了项目中的 go 文件时，该命令将会自动编译当前程序，并停止原有程序，运行新版的程序。
run 命令会递归监控 当前运行目录 的所有 go 文件变化来实现自动编译。
查看命令使用帮助
$ gf run -h
USAGE
gf run FILE [OPTION]
ARGUMENT
FILE building file path.
OPTION the same options as "go run"/"go build" except some options as follows defined
OPTION
-/--args custom process arguments.
-/--swagger auto parse and pack swagger into packed/data-swagger.go before running.
EXAMPLES
gf run main.go
gf run main.go --swagger
gf run main.go --args "server -p 8080"
gf run main.go -mod=vendor
DESCRIPTION
The "run" command is used for running go codes with hot-compiled-like feature,
which compiles and runs the go codes asynchronously when codes change.
使用示例
一般gf run main.go即可
$ gf run main.go --swagger
2020-12-31 00:40:16.948 build: main.go
2020-12-31 00:40:16.994 producing swagger files...
2020-12-31 00:40:17.145 done!
2020-12-31 00:40:17.216 gf pack swagger packed/swagger.go -n packed -y
2020-12-31 00:40:17.279 done!
2020-12-31 00:40:17.282 go build -o bin/main main.go
2020-12-31 00:40:18.696 go file changes: "/Users/john/Workspace/Go/GOPATH/src/github.com/gogf/gf-demos/packed/swagger.go": WRITE
2020-12-31 00:40:18.696 build: main.go
2020-12-31 00:40:18.775 producing swagger files...
2020-12-31 00:40:18.911 done!
2020-12-31 00:40:19.045 gf pack swagger packed/swagger.go -n packed -y
2020-12-31 00:40:19.136 done!
2020-12-31 00:40:19.144 go build -o bin/main main.go
2020-12-31 00:40:21.367 bin/main
2020-12-31 00:40:21.372 build running pid: 40954
2020-12-31 00:40:21.437 [DEBU] [ghttp] SetServerRoot path: /Users/john/Workspace/Go/GOPATH/src/github.com/gogf/gf-demos/public
2020-12-31 00:40:21.440 40954: http server started listening on [:8199]
...