如何在 Golang 中讀取純文字 HTTP GET 回應？

Handling Plain Text HTTP GET Responses in Golang

When working with HTTP GET requests that return plain text responses, understanding how to access the string representation of the response is crucial. This guide explains how to grab the plain text string from an HTTP GET response using Golang.

To access the plain text response, you can utilize the ReadAll function provided by the ioutil package. This function reads all remaining data from the response body and returns it as a byte array ([]byte).

responseData, err := ioutil.ReadAll(response.Body)
if err != nil {
    log.Fatal(err)
}

Since the response is plain text, you can easily convert the byte array to a string using type conversion:

responseString := string(responseData)

To verify the result, you can print the response string:

fmt.Println(responseString)

Sample Program:

package main

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

func main() {
    url := "http://country.io/capital.json"
    response, err := http.Get(url)
    if err != nil {
        log.Fatal(err)
    }
    defer response.Body.Close()

    responseData, err := ioutil.ReadAll(response.Body)
    if err != nil {
        log.Fatal(err)
    }

    responseString := string(responseData)

    fmt.Println(responseString)
}

By following this approach, you can effectively handle plain text HTTP GET responses and access their string representations in your Golang applications.

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