Golang开发者必看！百度AI接口实现网络爬虫功能

package main

import (
    "fmt"
    "io/ioutil"
    "net/http"
    "net/url"
    "strings"
)

// 调用百度AI接口进行文字识别
func baiduOCR(imageURL string, apiKey string, secretKey string) (string, error) {
    accessToken, err := getAccessToken(apiKey, secretKey)
    if err != nil {
        return "", err
    }

    url := "https://aip.baidubce.com/rest/2.0/ocr/v1/general_basic?access_token=" + accessToken

    data := url.Values{}
    data.Set("url", imageURL)

    req, err := http.NewRequest("POST", url, strings.NewReader(data.Encode()))
    if err != nil {
        return "", err
    }
    req.Header.Set("Content-Type", "application/x-www-form-urlencoded")

    client := &http.Client{}
    resp, err := client.Do(req)
    if err != nil {
        return "", err
    }
    defer resp.Body.Close()

    body, err := ioutil.ReadAll(resp.Body)
    if err != nil {
        return "", err
    }

    return string(body), nil
}

// 获取百度AI接口的AccessToken
func getAccessToken(apiKey string, secretKey string) (string, error) {
    url := "https://aip.baidubce.com/oauth/2.0/token"

    data := url.Values{}
    data.Set("grant_type", "client_credentials")
    data.Set("client_id", apiKey)
    data.Set("client_secret", secretKey)

    resp, err := http.PostForm(url, data)
    if err != nil {
        return "", err
    }
    defer resp.Body.Close()

    body, err := ioutil.ReadAll(resp.Body)
    if err != nil {
        return "", err
    }

    return string(body), nil
}

func main() {
    imageURL := "https://example.com/image.jpg"
    apiKey := "Your API Key"
    secretKey := "Your Secret Key"

    result, err := baiduOCR(imageURL, apiKey, secretKey)
    if err != nil {
        fmt.Println("Error:", err)
        return
    }

    fmt.Println("Result:", result)
}