Call 调用远程 API
(ctx context.Context, method, path string, body any)
| 48 | |
| 49 | // Call 调用远程 API |
| 50 | func (rc *RemoteClient) Call(ctx context.Context, method, path string, body any) (*RemoteResponse, error) { |
| 51 | var reqBody io.Reader |
| 52 | if body != nil { |
| 53 | jsonData, err := json.Marshal(body) |
| 54 | if err != nil { |
| 55 | return nil, fmt.Errorf("marshal request: %w", err) |
| 56 | } |
| 57 | reqBody = bytes.NewReader(jsonData) |
| 58 | } |
| 59 | |
| 60 | url := rc.baseURL + path |
| 61 | req, err := http.NewRequestWithContext(ctx, method, url, reqBody) |
| 62 | if err != nil { |
| 63 | return nil, fmt.Errorf("create request: %w", err) |
| 64 | } |
| 65 | |
| 66 | // 设置通用请求头 |
| 67 | req.Header.Set("Content-Type", "application/json") |
| 68 | if rc.apiKey != "" { |
| 69 | req.Header.Set("X-Api-Key", rc.apiKey) |
| 70 | } |
| 71 | |
| 72 | // 设置自定义请求头 |
| 73 | for k, v := range rc.headers { |
| 74 | req.Header.Set(k, v) |
| 75 | } |
| 76 | |
| 77 | // 发送请求 |
| 78 | resp, err := rc.httpClient.Do(req) |
| 79 | if err != nil { |
| 80 | return nil, fmt.Errorf("send request: %w", err) |
| 81 | } |
| 82 | defer func() { _ = resp.Body.Close() }() |
| 83 | |
| 84 | // 读取响应 |
| 85 | respBody, err := io.ReadAll(resp.Body) |
| 86 | if err != nil { |
| 87 | return nil, fmt.Errorf("read response: %w", err) |
| 88 | } |
| 89 | |
| 90 | // 检查状态码 |
| 91 | if resp.StatusCode >= 400 { |
| 92 | return nil, fmt.Errorf("api error: %d - %s", resp.StatusCode, string(respBody)) |
| 93 | } |
| 94 | |
| 95 | return &RemoteResponse{ |
| 96 | StatusCode: resp.StatusCode, |
| 97 | Body: respBody, |
| 98 | Headers: resp.Header, |
| 99 | }, nil |
| 100 | } |
| 101 | |
| 102 | // RemoteResponse 远程响应 |
| 103 | type RemoteResponse struct { |