Cắt PDF trong Go SDK

    package main

    import (
        "fmt"

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

    func cropDocumentPage(pdf_api *asposepdfcloud.PdfApiService, document_name string, pageNumber int, llx int, lly int, width int, height int, outputDocument string, localFolder string, tempFolder string) {
        uploadFile(pdf_api, document_name)

        getPageInfo(pdf_api, document_name, pageNumber, tempFolder)

        imageFile := extractPdfPage(pdf_api, document_name, pageNumber, int(CROP_PAGE_WIDTH), int(CROP_PAGE_HEIGHT), localFolder, tempFolder)
        newPdf := createPdfDocument(pdf_api, outputDocument, width, height, tempFolder)
        if newPdf.Code != 200 {
            fmt.Println("cropPage(): Failed to create new PDF document!")
        } else {
            response := insertPageAsImage(pdf_api, outputDocument, imageFile, llx, lly, tempFolder)
            if response.Code == 200 {
                fmt.Println("cropPage(): Page successfully cropped.")
                downloadFile(pdf_api, outputDocument, "cropped_")
            } else {
                fmt.Println("cropPage(): Can't crop pdf document page!")
            }
        }
    }