เพิ่มข้อความลงในไฟล์ PDF ผ่าน Go

    package main

    import "github.com/aspose-pdf/aspose-pdf-go-cpp"
    import "log"

    func main() {
        // Open(filename string) opens a PDF-document with filename
        pdf, err := asposepdf.Open("sample.pdf")
        if err != nil {
            log.Fatal(err)
        }
        // PageAddText(num int32, addText string) adds text on page
        err = pdf.PageAddText(1, "added text")
        if err != nil {
            log.Fatal(err)
        }
        // Save() saves previously opened PDF-document
        err = pdf.Save()
        if err != nil {
            log.Fatal(err)
        }
        // Close() releases allocated resources for PDF-document
        defer pdf.Close()
    }