go - 错误超时获取HTTP请求golang

Question

我试图从 Reddit 获取 html 源代码使用 Golang:

package main

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

func main() {
    timeout := time.Duration(5 * time.Second)
    client := http.Client{
        Timeout: timeout,
    }
    resp, _ := client.Get("https://www.reddit.com/")
    bytes, _ := ioutil.ReadAll(resp.Body)
    fmt.Println("HTML:\n\n", string(bytes))
    defer resp.Body.Close()
    var input string
    fmt.Scanln(&input)
}

第一次尝试很好。但是第二次就报错了:

<p>we're sorry, but you appear to be a bot and we've seen too many requests
from you lately. we enforce a hard speed limit on requests that appear to come
from bots to prevent abuse.</p>

<p>if you are not a bot but are spoofing one via your browser's user agent
string: please change your user agent string to avoid seeing this message
again.</p>

<p>please wait 6 second(s) and try again.</p>

    <p>as a reminder to developers, we recommend that clients make no
    more than <a href="http://github.com/reddit/reddit/wiki/API">one
    request every two seconds</a> to avoid seeing this message.</p>

我试过设置延迟，但还是不行。抱歉我的英语不好。

Answer 1

Reddit 不希望在他们的站点上出现自动扫描器\抓取器，并且具有机器人保护机制。这是他们的建议:

one request every two seconds

只需在请求之间添加延迟。