The best way to make POST requests using Go language

The best way to make POST requests in Go: Use the net/http package of the standard library: Provides lower level control and customization that requires manual handling of all aspects of the request and response. Use a third-party library (like github.com/go-resty/resty): Provides higher-level abstraction, simplifies request handling, and supports convenience features such as JSON encoding/decoding and error handling.

The best way to make a POST request using the Go language

In the Go language, there are two main ways to make a POST request : Use the net/http package of the standard library or use a third-party library (such as github.com/go-resty/resty).

Use net/http package for POST request

import (
    "bytes"
    "fmt"
    "io/ioutil"
    "net/http"
)

func main() {
    url := "https://example.com/api/v1/create"
    payload := []byte(`{"name": "John Doe", "email": "johndoe@example.com"}`)

    req, err := http.NewRequest("POST", url, bytes.NewBuffer(payload))
    if err != nil {
        // 处理错误
    }
    req.Header.Set("Content-Type", "application/json")

    client := &http.Client{}
    resp, err := client.Do(req)
    if err != nil {
        // 处理错误
    }
    defer resp.Body.Close()

    body, err := ioutil.ReadAll(resp.Body)
    if err != nil {
        // 处理错误
    }

    fmt.Println(string(body))
}

Use resty library for POST request

import (
    "github.com/go-resty/resty/v2"
    "fmt"
)

func main() {
    url := "https://example.com/api/v1/create"
    payload := map[string]string{
        "name": "John Doe",
        "email": "johndoe@example.com",
    }

    client := resty.New()
    resp, err := client.R().SetBody(payload).Post(url)
    if err != nil {
        // 处理错误
    }

    fmt.Println(string(resp.Body()))
}

Practical Case

In the following practical case, we will use the resty library to create a GitHub repository:

import (
    "github.com/go-resty/resty/v2"
    "fmt"
)

func main() {
    auth := "Bearer YOUR_GITHUB_API_TOKEN"

    client := resty.New()
    resp, err := client.R().
        SetHeader("Authorization", auth).
        SetBody(map[string]string{
            "name": "My Awesome Repository",
            "description": "This is my awesome repository.",
        }).
        Post("https://api.github.com/user/repos")
    if err != nil {
        // 处理错误
    }

    fmt.Println(string(resp.Body()))
}

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