图片搜索接口

func (s *CIService) ImageSearch(ctx context.Context, name string, opt *ImageSearchOptions) (*ImageSearchResult, *Response, error)

// 将 examplebucket-1250000000 和 COS_REGION 修改为真实的信息
// CI 任务需要提供 CIURL
bu, _ := url.Parse("https://examplebucket-1250000000.cos.COS_REGION.myqcloud.com")
cu, _ := url.Parse("https://examplebucket-1250000000.ci.COS_REGION.myqcloud.com")
b := &cos.BaseURL{BucketURL: bu, CIURL: cu}
c := cos.NewClient(b, &http.Client{
        Transport: &cos.AuthorizationTransport{
            SecretID:  os.Getenv("SECRETID"),
            SecretKey: os.Getenv("SECRETKEY"),
        }
})
opt := &cos.ImageSearchOptions{
    MatchThreshold: 60,
}
res, _, err := c.CI.ImageSearch(context.Background(), "pic/car.jpg", opt)
log_status(err)
fmt.Printf("%+v\\n", res)

type ImageSearchOptions struct {
    MatchThreshold int    `url:"MatchThreshold,omitempty"`
    Offset         int    `url:"Offset,omitempty"`
    Limit          int    `url:"Limit,omitempty"`
    Filter         string `url:"Filter,omitempty"`
}