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язык_программирования_golang
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язык_программирования_golang [2023/05/03 12:07] val created |
язык_программирования_golang [2025/01/12 06:20] (current) val [golangci-lint] |
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| ====== Язык программирования Golang ====== | ====== Язык программирования Golang ====== | ||
| + | * [[http://golang-book.ru/|Введение в программирование на Go]] | ||
| + | * [[https://www.digitalocean.com/community/tutorials/how-to-build-and-install-go-programs|How To Build and Install Go Programs]] | ||
| + | * [[https://www.systutorials.com/how-to-get-the-hostname-of-the-node-in-go/|How to get the hostname of the node in Go?]] | ||
| + | |||
| + | * [[https://min.io/docs/minio/linux/developers/go/minio-go.html|MinIO Go Client SDK for Amazon S3 Compatible Cloud Storage]] | ||
| + | |||
| + | <code> | ||
| + | student@client1:~$ sudo apt install golang-go | ||
| + | </code> | ||
| + | ===== Web приложение ===== | ||
| + | <code> | ||
| + | student@client1:~$ mkdir gowebd | ||
| + | |||
| + | student@client1:~$ cd gowebd/ | ||
| + | |||
| + | student@client1:~/gowebd$ cat main.go | ||
| + | </code><code> | ||
| + | package main | ||
| + | |||
| + | import ( | ||
| + | "fmt" | ||
| + | "log" | ||
| + | "net/http" | ||
| + | "os" | ||
| + | ) | ||
| + | |||
| + | const ver = "ver1.1" | ||
| + | |||
| + | func main() { | ||
| + | http.HandleFunc("/", HelloServer) | ||
| + | fmt.Printf("Starting server at port 80\n") | ||
| + | if err := http.ListenAndServe(":80", nil); err != nil { | ||
| + | log.Fatal(err) | ||
| + | } | ||
| + | } | ||
| + | |||
| + | func HelloServer(w http.ResponseWriter, r *http.Request) { | ||
| + | hostname, err := os.Hostname() | ||
| + | if err != nil { | ||
| + | panic(err) | ||
| + | } | ||
| + | fmt.Fprint(w, "Hello world from gowebd on " + hostname + " " + ver + "\n") | ||
| + | } | ||
| + | </code><code> | ||
| + | student@client1:~/gowebd$ sudo go run main.go | ||
| + | |||
| + | student@client1:~/gowebd$ go mod init gowebd | ||
| + | |||
| + | student@client1:~/gowebd$ sudo go build -o /usr/local/sbin/gowebd | ||
| + | |||
| + | student@client1:~/gowebd$ sudo /usr/local/sbin/gowebd | ||
| + | </code> | ||
| + | ===== golangci-lint ===== | ||
| + | |||
| + | * [[https://golangci-lint.run/welcome/quick-start/|golangci-lint.run quick-start]] | ||
| + | * [[https://blog.ildarkarymov.ru/posts/linters/|golangci-lint и внедрение его в большой проект]] | ||
| + | |||
| + | <code> | ||
| + | $ go mod init gowebd | ||
| + | или | ||
| + | $ cat go.mod | ||
| + | </code><code> | ||
| + | module gowebd | ||
| + | |||
| + | go 1.19 | ||
| + | </code><code> | ||
| + | ~/gowebd# time docker run --rm -v $(pwd):/app -w /app golangci/golangci-lint:v1.62.2 golangci-lint run --timeout=10m | ||
| + | |||
| + | main.go:11:7: const `ver2` is unused (unused) | ||
| + | const ver2 = "ver1.3" | ||
| + | ^ | ||
| + | real 1m28.670s | ||
| + | </code> | ||
язык_программирования_golang.1683104851.txt.gz · Last modified: 2023/05/03 12:07 by val
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