在 Python SDK 中替换 PDF 中的表格

    import shutil
    import shutil
    import json
    import logging
    from pathlib import Path
    from asposepdfcloud import ApiClient, PdfApi, Table, Row, Cell, FontStyles, GraphInfo, TextRect, TextState, Color, BorderInfo
    # Configure logging
    logging.basicConfig(level=logging.INFO, format="%(asctime)s - %(levelname)s - %(message)s")

    class Config:
        """Configuration parameters."""
        CREDENTIALS_FILE = Path(r"C:\\Projects\\ASPOSE\\Pdf.Cloud\\Credentials\\credentials.json")
        LOCAL_FOLDER = Path(r"C:\Samples")
        PDF_DOCUMENT_NAME = "sample.pdf"
        LOCAL_RESULT_DOCUMENT_NAME = "output_sample.pdf"
        TABLE_ID = "GE5TCOZSGAYCYNRQGUWDINZVFQ3DGMA"

    class PdfTables:
        """ Class for managing PDF tables using Aspose PDF Cloud API. """
        def __init__(self, credentials_file: Path = Config.CREDENTIALS_FILE):
            self.pdf_api = None
            self._init_api(credentials_file)

        def _init_api(self, credentials_file: Path):
            """ Initialize the API client. """
            try:
                with credentials_file.open("r", encoding="utf-8") as file:
                    credentials = json.load(file)
                    api_key, app_id = credentials.get("key"), credentials.get("id")
                    if not api_key or not app_id:
                        raise ValueError("init_api(): Error: Missing API keys in the credentials file.")
                    self.pdf_api = PdfApi(ApiClient(api_key, app_id))
            except (FileNotFoundError, json.JSONDecodeError, ValueError) as e:
                logging.error(f"init_api(): Failed to load credentials: {e}")

        def upload_document(self):
            """ Upload a PDF document to the Aspose Cloud server. """
            if self.pdf_api:
                file_path = Config.LOCAL_FOLDER / Config.PDF_DOCUMENT_NAME
                try:
                    self.pdf_api.upload_file(Config.PDF_DOCUMENT_NAME, str(file_path))
                    logging.info(f"upload_document(): File {Config.PDF_DOCUMENT_NAME} uploaded successfully.")
                except Exception as e:
                    logging.error(f"upload_document(): Failed to upload file: {e}")

        def download_result(self):
            """ Download the processed PDF document from the Aspose Cloud server. """
            if self.pdf_api:
                try:
                    temp_file = self.pdf_api.download_file(Config.PDF_DOCUMENT_NAME)
                    local_path = Config.LOCAL_FOLDER / Config.LOCAL_RESULT_DOCUMENT_NAME
                    shutil.move(temp_file, str(local_path))
                    logging.info(f"download_result(): File successfully downloaded: {local_path}")
                except Exception as e:
                    logging.error(f"download_result(): Failed to download file: {e}")

        def _init_table (self):
            """ Initialize new table """
            num_of_cols = 5
            num_of_rows = 5

            header_text_state = TextState(
                font = "Arial Bold",
                font_size = 11,
                foreground_color = Color( a = 255, r = 255, g = 255, b = 255 ),
                font_style = FontStyles.BOLD,
            )

            common_text_state = TextState (
                font = "Arial Bold",
                font_size = 11,
                foreground_color = Color( a=255, r = 112, g = 112, b = 112 ),
                font_style=FontStyles.REGULAR
            )
        
            col_widths = ""
            for col_index in range(0,num_of_cols):
                col_widths += " 70"

            table_rows = []
    
            border_table_border = GraphInfo(
                color = Color(a = 255, r = 0, g = 255, b = 0 ),
                line_width = 0.5
            )
        
            for row_index in range(0, num_of_rows):
                row_cells = []
        
                for col_index in range(0, num_of_cols):
                    cell = Cell( default_cell_text_state = common_text_state)

                    if row_index == 0:  # header cells
                        cell.background_color = Color(a = 255, r = 128, g = 128, b=128)
                        cell.default_cell_text_state = header_text_state
                    else:
                        cell.background_color = Color(a =255, r =255, g =255, b =255)
                
                    text_rect = TextRect()
                    if row_index == 0:
                        text_rect.text = f"header #{col_index}"
                    else:
                        text_rect.text = f"value '({row_index},{col_index})'"
                    cell.paragraphs = [ text_rect]

                    row_cells.append(cell)

                row = Row(cells=row_cells)

                table_rows.append(row)

            table = Table(left=150,top=250, column_widths=col_widths, rows=table_rows)
            
            table.default_cell_border = BorderInfo(
                top = border_table_border,
                right = border_table_border,
                bottom = border_table_border,
                left = border_table_border,
                rounded_border_radius = 2
            )

            return table
        
        def replace_table (self):
            """ Replace table in the PDF document page. """
            if self.pdf_api:
                try:
                    new_table = self._init_table()

                    resultTabs = self.pdf_api.put_table( Config.PDF_DOCUMENT_NAME, Config.TABLE_ID, new_table)

                    if resultTabs.code == 200:
                        logging.info(f"replace_table(): Table #'{Config.TABLE_ID}' was replaced in the document '{Config.PDF_DOCUMENT_NAME}'.")
                    else:
                        logging.error(f"replace_table(): Failed to replace table in the document '{Config.PDF_DOCUMENT_NAME}'.")
                except Exception as e:
                    logging.error(f"replace_table(): Failed to append table: {e}")


    if __name__ == "__main__":
        pdf_tables = PdfTables()
        pdf_tables.upload_document()
        pdf_tables.replace_table()
        pdf_tables.download_result()