File Download

How to download a file?

Server

server.go

  1. package main
  3. import (
  4.     "github.com/labstack/echo"
  5.     "github.com/labstack/echo/middleware"
  6. )
  8. func main() {
  9.     e := echo.New()
  11.     e.Use(middleware.Logger())
  12.     e.Use(middleware.Recover())
  14.     e.GET("/", func(c echo.Context) error {
  15.         return c.File("index.html")
  16.     })
  17.     e.GET("/file", func(c echo.Context) error {
  18.         return c.File("echo.svg")
  19.     })
  21.     e.Logger.Fatal(e.Start(":1323"))
  22. }

Client

index.html

  1. <!doctype html>
  2. <html lang="en">
  3. <head>
  4.     <meta charset="utf-8">
  5.     <title>File download</title>
  6. </head>
  7. <body>
  9.     <p>
  10.         <a href="/file">File download</a>
  11.     </p>
  13. </body>
  14. </html>

How to download a file as inline, opening it in the browser?

Server

server.go

  1. package main
  3. import (
  4.     "github.com/labstack/echo"
  5.     "github.com/labstack/echo/middleware"
  6. )
  8. func main() {
  9.     e := echo.New()
  11.     e.Use(middleware.Logger())
  12.     e.Use(middleware.Recover())
  14.     e.GET("/", func(c echo.Context) error {
  15.         return c.File("index.html")
  16.     })
  17.     e.GET("/inline", func(c echo.Context) error {
  18.         return c.Inline("inline.txt", "inline.txt")
  19.     })
  21.     e.Logger.Fatal(e.Start(":1323"))
  22. }

Client

index.html

  1. <!doctype html>
  2. <html lang="en">
  3. <head>
  4.     <meta charset="utf-8">
  5.     <title>File download</title>
  6. </head>
  7. <body>
  9.     <p>
  10.         <a href="/inline">Inline file download</a>
  11.     </p>
  13. </body>
  14. </html>

How to download a file as attachment, prompting client to save the file?

Server

server.go

  1. package main
  3. import (
  4.     "github.com/labstack/echo"
  5.     "github.com/labstack/echo/middleware"
  6. )
  8. func main() {
  9.     e := echo.New()
  11.     e.Use(middleware.Logger())
  12.     e.Use(middleware.Recover())
  14.     e.GET("/", func(c echo.Context) error {
  15.         return c.File("index.html")
  16.     })
  17.     e.GET("/attachment", func(c echo.Context) error {
  18.         return c.Attachment("attachment.txt", "attachment.txt")
  19.     })
  21.     e.Logger.Fatal(e.Start(":1323"))
  22. }

Client

index.html

  1. <!doctype html>
  2. <html lang="en">
  3. <head>
  4.     <meta charset="utf-8">
  5.     <title>File download</title>
  6. </head>
  7. <body>
  9.     <p>
  10.         <a href="/attachment">Attachment file download</a>
  11.     </p>
  13. </body>
  14. </html>