在Golang项目中接入Claude AI 详细授权与对话接口教程

go get github.com/go-resty/resty/v2

package main

import (
    "fmt"
    "github.com/go-resty/resty/v2"
)

func main() {
    apiKey := "YOUR_API_KEY" // 替换为你的API密钥

    client := resty.New()

    resp, err := client.R().
        SetHeader("Authorization", "Bearer "+apiKey).
        Get("https://api.anthropic.com/v1/messages") // 实际API endpoint
    if err != nil {
        fmt.Println("Error:", err)
        return
    }

    fmt.Println("Response Status Code:", resp.StatusCode())
    fmt.Println("Response Body:", resp.String())
}

package main

import (
    "encoding/json"
    "fmt"
    "github.com/go-resty/resty/v2"
    "log"
)

type Message struct {
    Role    string `json:"role"`
    Content string `json:"content"`
}

type RequestBody struct {
    Model       string    `json:"model"`
    Messages    []Message `json:"messages"`
    MaxTokens   int       `json:"max_tokens"`
    Stream      bool      `json:"stream"` // 是否流式传输
}

func main() {
    apiKey := "YOUR_API_KEY" // 替换为你的API密钥
    apiURL := "https://api.anthropic.com/v1/messages"

    messages := []Message{
        {Role: "user", Content: "你好，Claude."},
    }

    requestBody := RequestBody{
        Model:       "claude-3-opus-20240229", // 选择合适的模型
        Messages:    messages,
        MaxTokens:   1024,
        Stream:      false, // 关闭流式传输，方便示例
    }

    jsonBody, err := json.Marshal(requestBody)
    if err != nil {
        log.Fatalf("JSON marshal error: %v", err)
    }

    client := resty.New()

    resp, err := client.R().
        SetHeader("Authorization", "Bearer "+apiKey).
        SetHeader("Content-Type", "application/json").
        SetBody(jsonBody).
        Post(apiURL)

    if err != nil {
        fmt.Println("Error:", err)
        return
    }

    fmt.Println("Response Status Code:", resp.StatusCode())
    fmt.Println("Response Body:", resp.String())
}

{
  "role": "assistant",
  "content": "你好！很高兴为你服务。"
}

type ResponseBody struct {
    Role    string `json:"role"`
    Content string `json:"content"`
}

var responseBody ResponseBody
err = json.Unmarshal(resp.Body(), &responseBody)
if err != nil {
    fmt.Println("Unmarshal error:", err)
    return
}

fmt.Println("Assistant:", responseBody.Content)

import "os"

func main() {
    apiKey := os.Getenv("CLAUDE_API_KEY")
    if apiKey == "" {
        fmt.Println("API key not found in environment variables")
        return
    }

    // ...
}