[doc] updating docs based on #667 (#713)

README.md

@@ -82,24 +82,32 @@ e.DELETE("/users/:id", deleteUser)
 ### Path Parameters
 
 ```go
+// e.GET("/users/:id", getUser)
 func getUser(c echo.Context) error {
-	// User ID from path `users/:id`
-	id := c.Param("id")
+  	// User ID from path `users/:id`
+  	id := c.Param("id")
+	return c.String(http.StatusOK, id)
 }
 ```
 
+Browse to http://localhost:1323/users/Joe and you should see 'Joe' on the page.
+
 ### Query Parameters
 
 `/show?team=x-men&member=wolverine`
 
 ```go
+//e.GET("/show", show)
 func show(c echo.Context) error {
 	// Get team and member from the query string
 	team := c.QueryParam("team")
 	member := c.QueryParam("member")
+	return c.String(http.StatusOK, "team:" + team + ", member:" + member)
 }
 ```
 
+Browse to http://localhost:1323/show?team=x-men&member=wolverine and you should see 'team:x-men, member:wolverine' on the page.
+
 ### Form `application/x-www-form-urlencoded`
 
 `POST` `/save`
@@ -111,55 +119,76 @@ email | joe@labstack.com
 
 
 ```go
+// e.POST("/save", save)
 func save(c echo.Context) error {
 	// Get name and email
 	name := c.FormValue("name")
 	email := c.FormValue("email")
+	return c.String(http.StatusOK, "name:" + name + ", email:" + email)
 }
 ```
 
+Run the following command:
+
+```sh
+$ curl -F "name=Joe Smith" -F "email=joe@labstack.com" http://localhost:1323/save
+// => name:Joe Smith, email:joe@labstack.com
+```
+
 ### Form `multipart/form-data`
 
 `POST` `/save`
 
 name | value
 :--- | :---
 name | Joe Smith
-email | joe@labstack.com
 avatar | avatar
 
 ```go
 func save(c echo.Context) error {
-	// Get name and email
+	// Get name
 	name := c.FormValue("name")
-	email := c.FormValue("email")
 	// Get avatar
-	avatar, err := c.FormFile("avatar")
-	if err != nil {
-		return err
-	}
-
-	// Source
-	src, err := avatar.Open()
-	if err != nil {
-		return err
-	}
-	defer src.Close()
-
-	// Destination
-	dst, err := os.Create(avatar.Filename)
-	if err != nil {
-		return err
-	}
-	defer dst.Close()
+  	avatar, err := c.FormFile("avatar")
+  	if err != nil {
+ 		return err
+ 	}
+
+ 	// Source
+ 	src, err := avatar.Open()
+ 	if err != nil {
+ 		return err
+ 	}
+ 	defer src.Close()
+
+ 	// Destination
+ 	dst, err := os.Create(avatar.Filename)
+ 	if err != nil {
+ 		return err
+ 	}
+ 	defer dst.Close()
+
+ 	// Copy
+ 	if _, err = io.Copy(dst, src); err != nil {
+  		return err
+  	}
+
+	return c.HTML(http.StatusOK, "<b>Thank you! " + name + "</b>")
+}
+```
 
-	// Copy
-	if _, err = io.Copy(dst, src); err != nil {
-		return err
-	}
+Run the following command.
+```sh
+$ curl -F "name=Joe Smith" -F "avatar=@/path/to/your/avatar.png" http://localhost:1323/save
+// => <b>Thank you! Joe Smith</b>
+```
+
+For checking uploaded image, run the following command.
 
-	return c.HTML(http.StatusOK, "<b>Thank you!</b>")
-}
+```sh
+cd <project directory>
+ls avatar.png
+// => avatar.png
 ```
 
 ### Handling Request

website/content/index.md

@@ -48,16 +48,16 @@ package main
 
 import (
 	"net/http"
+
 	"github.com/labstack/echo"
-	"github.com/labstack/echo/engine/standard"
 )
 
 func main() {
 	e := echo.New()
 	e.GET("/", func(c echo.Context) error {
 		return c.String(http.StatusOK, "Hello, World!")
 	})
-	
+
 	if err := e.Start(":1323"); err != nil {
 		e.Logger.Fatal(err.Error())
 	}
@@ -85,24 +85,26 @@ e.DELETE("/users/:id", deleteUser)
 ### Path Parameters
 
 ```go
+// e.GET("/users/:id", getUser)
 func getUser(c echo.Context) error {
-	// User ID from path `users/:id`
-	id := c.Param("id")
+  	// User ID from path `users/:id`
+  	id := c.Param("id")
 	return c.String(http.StatusOK, id)
 }
 ```
+
 Browse to http://localhost:1323/users/Joe and you should see 'Joe' on the page.
 
 ### Query Parameters
 
 `/show?team=x-men&member=wolverine`
 
 ```go
+//e.GET("/show", show)
 func show(c echo.Context) error {
 	// Get team and member from the query string
 	team := c.QueryParam("team")
 	member := c.QueryParam("member")
-
 	return c.String(http.StatusOK, "team:" + team + ", member:" + member)
 }
 ```
@@ -118,17 +120,19 @@ name | value
 name | Joe Smith
 email | joe@labstack.com
 
+
 ```go
+// e.POST("/save", save)
 func save(c echo.Context) error {
 	// Get name and email
 	name := c.FormValue("name")
 	email := c.FormValue("email")
-
 	return c.String(http.StatusOK, "name:" + name + ", email:" + email)
 }
 ```
 
-Run the following command.
+Run the following command:
+
 ```sh
 $ curl -F "name=Joe Smith" -F "email=joe@labstack.com" http://localhost:1323/save
 // => name:Joe Smith, email:joe@labstack.com
@@ -148,7 +152,7 @@ func save(c echo.Context) error {
 	// Get name
 	name := c.FormValue("name")
 	// Get avatar
-	avatar, err := c.FormFile("avatar")
+  	avatar, err := c.FormFile("avatar")
   	if err != nil {
  		return err
  	}
@@ -181,8 +185,9 @@ Run the following command.
 $ curl -F "name=Joe Smith" -F "avatar=@/path/to/your/avatar.png" http://localhost:1323/save
 // => <b>Thank you! Joe Smith</b>
 ```
+
+For checking uploaded image, run the following command.
 
-To check the uploaded image, run the following command.
 ```sh
 cd <project directory>
 ls avatar.png