Add an example for the cors adaptor (router wrapper)

Former-commit-id: dbd0866a65f680b4d871768053fc42a795b03a62

adaptors/cors/_example/main.go

@@ -0,0 +1,40 @@
+package main
+
+import (
+	"gopkg.in/kataras/iris.v6"
+	"gopkg.in/kataras/iris.v6/adaptors/cors"
+)
+
+func main() {
+
+	app := iris.New()
+	app.Adapt(iris.DevLogger())
+	crs := cors.New(cors.Options{
+		AllowedOrigins:   []string{"*"},
+		AllowCredentials: true,
+	})
+
+	app.Adapt(crs) // this line should be added
+	// adaptor supports cors allowed methods, middleware does not.
+
+	// if you want per-route-only cors
+	// then you should check https://github.com/iris-contrib/middleware/tree/master/cors
+
+	v1 := app.Party("/api/v1")
+	{
+		v1.Post("/home", func(c *iris.Context) {
+			app.Log(iris.DevMode, "lalala")
+			c.WriteString("Hello from /home")
+		})
+		v1.Get("/g", func(c *iris.Context) {
+			app.Log(iris.DevMode, "lalala")
+			c.WriteString("Hello from /home")
+		})
+		v1.Post("/h", func(c *iris.Context) {
+			app.Log(iris.DevMode, "lalala")
+			c.WriteString("Hello from /home")
+		})
+	}
+
+	app.Listen(":8080")
+}

adaptors/cors/cors.go

@@ -4,7 +4,7 @@ package cors
 //  | Cors wrapper usage                                         |
 //  +------------------------------------------------------------+
 //
-// import "github.com/kataras/iris/adaptors/cors"
+// import "gopkg.in/kataras/iris.v6/adaptors/cors"
 //
 // app := iris.New()
 // app.Adapt(cors.New(cors.Options{})))