通过 Go SDK 从 PDF 获取页面注释

    package main

    import (
        "fmt"

        asposepdfcloud "github.com/aspose-pdf-cloud/aspose-pdf-cloud-go/v25"
    )

    func RequestAnnotations(pdf_api *asposepdfcloud.PdfApiService, document_name string, page_num int32, remote_folder string) string {
        // Get annotations from the page in the PDF document.
        UploadFile(pdf_api, document_name)
        args := map[string]interface{}{
            "folder": remote_folder,
        }
        annotation_result := ""
        result, httpResponse, err := pdf_api.GetPageAnnotations(document_name, page_num, args)
        if err != nil {
            fmt.Println(err.Error())
        } else if httpResponse.StatusCode < 200 || httpResponse.StatusCode > 299 {
            fmt.Println("RequestAnnotations(): Failed to delete annotation from the document page.")
        } else {
            for _, annotation := range result.Annotations.List {
                if annotation.AnnotationType == asposepdfcloud.AnnotationTypeText {
                    fmt.Println("RequestAnnotations(): annotation id=", annotation.Id, " with '"+annotation.Contents+"' content get from the document '"+document_name+"' on ", annotation.PageIndex, " page.")
                    annotation_result := annotation.Id
                    return annotation_result
                }
            }
        }
        fmt.Println("RequestAnnotations(): Failed to get annotation in the document.")
        return annotation_result
    }