Baidu AI インターフェース ガイド: Golang 開発者必読の技術ガイド

package main

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

func main() {
    apiKey := "Your API Key"
    secretKey := "Your Secret Key"

    token := getToken(apiKey, secretKey)

    imageData := getImageData("test.jpg")

    result := recognizeText(token, imageData)

    fmt.Println(result)
}

// 获取access token
func getToken(apiKey string, secretKey string) string {
    client := &http.Client{}
    req, _ := http.NewRequest("POST", "https://aip.baidubce.com/oauth/2.0/token", strings.NewReader("grant_type=client_credentials&client_id="+apiKey+"&client_secret="+secretKey))
    req.Header.Set("Content-Type", "application/x-www-form-urlencoded")

    resp, _ := client.Do(req)
    defer resp.Body.Close()

    body, _ := ioutil.ReadAll(resp.Body)

    return string(body)
}

// 读取图片数据
func getImageData(filename string) []byte {
    imgFile, _ := os.Open(filename)
    defer imgFile.Close()

    imgData, _ := ioutil.ReadAll(imgFile)

    return imgData
}

// 调用文字识别API
func recognizeText(token string, imageData []byte) string {
    client := &http.Client{}
    req, _ := http.NewRequest("POST", "https://aip.baidubce.com/rest/2.0/ocr/v1/accurate_basic", bytes.NewReader(imageData))
    req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
    req.Header.Set("Authorization", "Bearer "+token)

    resp, _ := client.Do(req)
    defer resp.Body.Close()

    body, _ := ioutil.ReadAll(resp.Body)

    return string(body)
}

// 调用人脸识别API
func recognizeFace(token string, imageData []byte) string {
    client := &http.Client{}
    req, _ := http.NewRequest("POST", "https://aip.baidubce.com/rest/2.0/face/v3/detect", bytes.NewReader(imageData))
    req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
    req.Header.Set("Authorization", "Bearer "+token)

    query := req.URL.Query()
    query.Add("image_type", "BASE64")
    query.Add("face_field", "age,gender")
    req.URL.RawQuery = query.Encode()

    resp, _ := client.Do(req)
    defer resp.Body.Close()

    body, _ := ioutil.ReadAll(resp.Body)

    return string(body)
}

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

// 调用语音识别API
func recognizeVoice(token string, voiceData []byte) string {
    client := &http.Client{}
    req, _ := http.NewRequest("POST", "https://aip.baidubce.com/rest/2.0/solution/v1/sound/echo", bytes.NewReader(voiceData))
    req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
    req.Header.Set("Authorization", "Bearer "+token)

    query := req.URL.Query()
    query.Add("format", "pcm")
    query.Add("rate", "16000")
    query.Add("len", strconv.Itoa(len(voiceData)))
    req.URL.RawQuery = query.Encode()

    resp, _ := client.Do(req)
    defer resp.Body.Close()

    body, _ := ioutil.ReadAll(resp.Body)

    return string(body)
}