百度AI接口与Golang的完美结合，构建智能文本分析系统

package main

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

const (
    BaiduAPIKey    = "your-api-key"
    BaiduSecretKey = "your-secret-key"
)

type SentimentAnalysisResponse struct {
    Text   string `json:"text"`
    Score  int    `json:"score"`
    ErrMsg string `json:"errMsg"`
}

func main() {
    text := "这家餐厅的菜品非常好吃！"

    url := "https://aip.baidubce.com/rpc/2.0/nlp/v1/sentiment_classify"

    payload := strings.NewReader(fmt.Sprintf(`{
        "text": "%s"
    }`, text))

    client := &http.Client{}
    req, err := http.NewRequest("POST", url, payload)
    if err != nil {
        panic(err)
    }

    req.Header.Add("Content-Type", "application/json")
    req.Header.Add("charset", "UTF-8")
    req.Header.Add("Accept", "application/json")
    req.Header.Add("Authorization", fmt.Sprintf("Bearer %s", BaiduAPIKey))

    res, err := client.Do(req)
    if err != nil {
        panic(err)
    }
    defer res.Body.Close()

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

    var response SentimentAnalysisResponse
    err = json.Unmarshal(body, &response)
    if err != nil {
        panic(err)
    }

    if response.ErrMsg != "" {
        panic(response.ErrMsg)
    }

    fmt.Printf("Input text: %s
", response.Text)
    fmt.Printf("Sentiment score: %d
", response.Score)
}

package main

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

const (
    BaiduAPIKey    = "your-api-key"
    BaiduSecretKey = "your-secret-key"
)

type TextClassificationResponse struct {
    Text   string `json:"text"`
    Class  string `json:"class"`
    ErrMsg string `json:"errMsg"`
}

func main() {
    text := "苹果新推出的iPhone SE性价比很高！"

    url := "https://aip.baidubce.com/rpc/2.0/nlp/v1/topic"

    payload := strings.NewReader(fmt.Sprintf(`{
        "title": "%s"
    }`, text))

    client := &http.Client{}
    req, err := http.NewRequest("POST", url, payload)
    if err != nil {
        panic(err)
    }

    req.Header.Add("Content-Type", "application/json")
    req.Header.Add("charset", "UTF-8")
    req.Header.Add("Accept", "application/json")
    req.Header.Add("Authorization", fmt.Sprintf("Bearer %s", BaiduAPIKey))

    res, err := client.Do(req)
    if err != nil {
        panic(err)
    }
    defer res.Body.Close()

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

    var response TextClassificationResponse
    err = json.Unmarshal(body, &response)
    if err != nil {
        panic(err)
    }

    if response.ErrMsg != "" {
        panic(response.ErrMsg)
    }

    fmt.Printf("Input text: %s
", response.Text)
    fmt.Printf("Class: %s
", response.Class)
}