由gopath形式改为module

boss/service/controllers/default.go

@@ -0,0 +1,15 @@
+package controllers
+
+import (
+	beego "github.com/beego/beego/v2/server/web"
+)
+
+type MainController struct {
+	beego.Controller
+}
+
+func (c *MainController) Get() {
+	c.Data["Website"] = "beego.me"
+	c.Data["Email"] = "astaxie@gmail.com"
+	c.TplName = "index.tpl"
+}