make a http request with a custom body as html in go

Here's an example of making an HTTP request with a custom HTML body in Go:


main.go
package main

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

func main() {
    // Define the URL and payload
    url := "http://example.com"
    payload := []byte("<html><body><h1>Hello, World!</h1></body></html>")

    // Create the HTTP request with the custom HTML body
    req, err := http.NewRequest("POST", url, bytes.NewBuffer(payload))
    if err != nil {
        fmt.Println("Error creating HTTP request:", err)
        return
    }

    // Set the Content-Type header to "text/html"
    req.Header.Set("Content-Type", "text/html")

    // Use the default HTTP client to send the request
    client := &http.Client{}
    resp, err := client.Do(req)
    if err != nil {
        fmt.Println("Error sending HTTP request:", err)
        return
    }

    // Print the HTTP response status code and body
    defer resp.Body.Close()
    fmt.Println("Status code:", resp.StatusCode)
    body, err := ioutil.ReadAll(resp.Body)
    if err != nil {
        fmt.Println("Error reading HTTP response body:", err)
        return
    }
    fmt.Println("Body:", string(body))
}
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In this example, we create an HTTP POST request to "http://example.com" with the HTML body "<html><body><h1>Hello, World!</h1></body></html>". We set the Content-Type header of the request to "text/html" so the server knows how to parse the request body. Finally, we use the default HTTP client to send the request and print the status code and response body.

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