How to use go installation command

The Go install command is used to install Go packages and their dependencies. It compiles the source code and installs it to the local computer. Its syntax includes the following flags: -a: Install all dependencies. -gcflags: Pass compiler flags. -ldflags: Pass linker flags. -tags: Pass build tags. -work: Specify the working directory.

Usage of Go installation command

Introduction

go install command is used to install Go packages and their dependencies. It will compile the source code of the package and install it to your local machine.

Syntax

go install [flags] [packages]

Flags

• ##-a: Install all dependencies.
• -gcflags: Compiler flags passed to the go command.
• -ldflags: Linker flags passed to the link command.
• -tags: Build tags passed to the go command.
• -work: Specify the working directory to use or create.

Practical case

Installation

github.com/gorilla/mux Packages and their dependencies:

go install github.com/gorilla/mux

Install the

github.com/gorilla/mux package, specify the build tag example:

go install -tags example github.com/gorilla/mux

Full example

package main

import (
    "fmt"

    "github.com/gorilla/mux"
)

func main() {
    router := mux.NewRouter()

    // 注册路由
    router.HandleFunc("/", HomeHandler)

    // 启动服务器
    http.ListenAndServe(":8080", router)
}

func HomeHandler(w http.ResponseWriter, r *http.Request) {
    fmt.Fprintln(w, "主页")
}

To To install all dependencies in this example, run:

go install .

Note

• go install command will not install the binary executable document. To compile the binary, use the go build command. The
• go install command can use the GOPATH option to specify the directory for the installation package.

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