How to use Go language to implement routing static file service

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Release: 2023-12-17 18:34:51
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How to use Go language to implement routing static file service

How to use Go language to implement routing static file service

Overview:
In Web development, static file service is a very common and important function. It is usually used to serve static resources of a website, such as HTML, CSS, JavaScript, images, etc. This article will introduce how to use Go language to implement a simple routed static file service and provide specific code examples.

  1. Create a basic Go language project structure
    First, we need to create a basic Go language project to implement static file serving. We can create the project directory according to the following structure:
- myapp - main.go - static - index.html
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Among them, main.go is our main code file, and the static directory is used to store static files, such as index.html.

  1. Import necessary dependencies
    In the main.go file, we first need to import some necessary dependency packages. In this article, we will use the gorilla/mux package to implement routing functionality. You can use the following command to obtain the gorilla/mux package:
go get -u github.com/gorilla/mux
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Import the gorilla/mux package at the beginning of the main.go code:

package main import ( "net/http" "github.com/gorilla/mux" )
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  1. Create a static file service route
    In the main function in the main.go file, we need to create a route to serve static files. We can use the Router object of the gorilla/mux package to create routes. The following is a code example for creating a static file service route:
func main() { router := mux.NewRouter() router.PathPrefix("/static/").Handler(http.StripPrefix("/static/", http.FileServer(http.Dir("static")))) http.Handle("/", router) http.ListenAndServe(":8080", nil) }
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In the above code, router.PathPrefix("/static/") specifies the URL prefix that matches the static file, http.StripPrefix(" /static/", http.FileServer(http.Dir("static"))) is used to process requests for static files and remove the "/static/" prefix in the URL. http.Handle("/", router) is used to hand over the request to the router for processing. Finally, http.ListenAndServe(":8080", nil) is used to start the web server and listen for requests from port 8080.

  1. Start the server
    At this point, we have completed the implementation of static file service. We can start the server by running the following command:
go run main.go
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The server will start on the local port 8080. Now, we can visit http://localhost:8080/static/index.html in the browser to view the index.html file.

Summary:
This article introduces how to use Go language to implement a simple routing static file service. We use the gorilla/mux package to implement the routing function and provide static file services through the http.FileServer function. Through the guidance of this article, you can quickly set up a static file service and use it for your website. In actual development, you can further expand and optimize this static file service to meet your specific needs.

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