คู่มือการแปลง JSON เป็น XLSX ขั้นตอนต่อขั้นใน Python

pip install aspose-barcode-cloud openpyxl

from asposebarcodecloud import Configuration

CLIENT_ID = "YOUR_CLIENT_ID"
CLIENT_SECRET = "YOUR_CLIENT_SECRET"

config = Configuration()
config.host = "https://api.aspose.cloud"
config.api_key["client_id"] = CLIENT_ID
config.api_key["client_secret"] = CLIENT_SECRET

import json

INPUT_JSON_PATH = "input.json"
with open(INPUT_JSON_PATH, "r", encoding="utf-8") as f:
    json_data = json.load(f)   # expects a list of dictionaries

from openpyxl import Workbook
from openpyxl.utils import get_column_letter

wb = Workbook()
ws = wb.active
ws.title = "Data"

columns = list(json_data[0].keys())
columns.append("BarcodeImage")          # extra column for the barcode
for col_idx, col_name in enumerate(columns, start=1):
    ws.cell(row=1, column=col_idx, value=col_name)

from asposebarcodecloud import BarcodeApi, GenerateBarcodeRequest, EncodeBarcodeType, ApiClient
from asposebarcodecloud.rest import ApiException

barcode_api = BarcodeApi(ApiClient(config))

def generate_barcode_image(text: str,
                           barcode_type: EncodeBarcodeType = EncodeBarcodeType.CODE_128) -> bytes:
    request = GenerateBarcodeRequest(text=text, type=barcode_type, format="png")
    try:
        response = barcode_api.generate_barcode(request)
        return response.read()
    except ApiException as e:
        print(f"Error generating barcode for '{text}': {e}")
        raise

import io
from openpyxl.drawing.image import Image as XLImage

barcode_cache = {}
for row_idx, record in enumerate(json_data, start=2):
    # write regular fields
    for col_idx, field_name in enumerate(columns[:-1], start=1):
        ws.cell(row=row_idx, column=col_idx, value=record.get(field_name, ""))

# barcode generation / caching
    barcode_source = str(record.get("code", f"row{row_idx}"))
    img_bytes = barcode_cache.get(barcode_source) or generate_barcode_image(barcode_source)
    barcode_cache[barcode_source] = img_bytes

img_stream = io.BytesIO(img_bytes)
    img = XLImage(img_stream)
    img.width, img.height = 150, 50          # optional size adjustment
    img_cell = f"{get_column_letter(len(columns))}{row_idx}"
    ws.add_image(img, img_cell)

for col_idx in range(1, len(columns) + 1):
    column_letter = get_column_letter(col_idx)
    ws.column_dimensions[column_letter].width = 20

OUTPUT_XLSX_PATH = "output.xlsx"
wb.save(OUTPUT_XLSX_PATH)
print(f"Conversion complete. XLSX saved to '{OUTPUT_XLSX_PATH}'.")

import json
import os
import io
from typing import Dict, Any, List

import asposebarcodecloud
from asposebarcodecloud import (
    BarcodeApi,
    GenerateBarcodeRequest,
    EncodeBarcodeType,
    Configuration,
    ApiClient,
)
from asposebarcodecloud.rest import ApiException

from openpyxl import Workbook
from openpyxl.drawing.image import Image as XLImage
from openpyxl.utils import get_column_letter

# -------------------- Aspose.BarCode Cloud Setup --------------------
# Replace these placeholders with your actual Aspose Cloud credentials.
CLIENT_ID = "YOUR_CLIENT_ID"
CLIENT_SECRET = "YOUR_CLIENT_SECRET"

config = Configuration()
config.host = "https://api.aspose.cloud"
config.api_key["client_id"] = CLIENT_ID
config.api_key["client_secret"] = CLIENT_SECRET

barcode_api = BarcodeApi(ApiClient(config))

def generate_barcode_image(text: str, barcode_type: EncodeBarcodeType = EncodeBarcodeType.CODE_128) -> bytes:
    """
    Calls Aspose.BarCode Cloud to generate a barcode image for the given text.
    Returns raw PNG bytes.
    """
    request = GenerateBarcodeRequest(
        text=text,
        type=barcode_type,
        format="png"
    )
    try:
        response = barcode_api.generate_barcode(request)
        # response is a file-like object; read its content.
        return response.read()
    except ApiException as e:
        print(f"Error generating barcode for '{text}': {e}")
        raise

# -------------------- JSON to XLSX Conversion --------------------
INPUT_JSON_PATH = "input.json"
OUTPUT_XLSX_PATH = "output.xlsx"

# Load JSON data (expects a list of dictionaries)
with open(INPUT_JSON_PATH, "r", encoding="utf-8") as f:
    json_data: List[Dict[str, Any]] = json.load(f)

if not isinstance(json_data, list):
    raise ValueError("JSON root must be an array of objects.")

# Prepare workbook
wb = Workbook()
ws = wb.active
ws.title = "Data"

# Determine column order from first record
columns = list(json_data[0].keys())
# Append a column for the barcode image
barcode_column_name = "BarcodeImage"
columns.append(barcode_column_name)

# Write header row
for col_idx, col_name in enumerate(columns, start=1):
    ws.cell(row=1, column=col_idx, value=col_name)

# Cache to avoid regenerating identical barcodes
barcode_cache: Dict[str, bytes] = {}

# Process each JSON record
for row_idx, record in enumerate(json_data, start=2):
    # Write regular fields
    for col_idx, field_name in enumerate(columns[:-1], start=1):
        value = record.get(field_name, "")
        ws.cell(row=row_idx, column=col_idx, value=value)

# Generate or retrieve barcode image for a specific field (e.g., "code")
    barcode_source = str(record.get("code", f"row{row_idx}"))
    if barcode_source in barcode_cache:
        img_bytes = barcode_cache[barcode_source]
    else:
        img_bytes = generate_barcode_image(barcode_source)
        barcode_cache[barcode_source] = img_bytes

# Insert barcode image into the last column of the current row
    img_stream = io.BytesIO(img_bytes)
    img = XLImage(img_stream)
    # Adjust image size (optional)
    img.width, img.height = 150, 50
    img_cell = f"{get_column_letter(len(columns))}{row_idx}"
    ws.add_image(img, img_cell)

# Auto‑size columns (basic heuristic)
for col_idx, _ in enumerate(columns, start=1):
    column_letter = get_column_letter(col_idx)
    ws.column_dimensions[column_letter].width = 20

# Save workbook
wb.save(OUTPUT_XLSX_PATH)

print(f"Conversion complete. XLSX saved to '{OUTPUT_XLSX_PATH}'.")

curl -X POST "https://api.aspose.cloud/connect/token" \
     -H "Content-Type: application/x-www-form-urlencoded" \
     -d "grant_type=client_credentials&client_id=YOUR_CLIENT_ID&client_secret=YOUR_CLIENT_SECRET"

curl -X PUT "https://api.aspose.cloud/v3.0/storage/file/input.json" \
     -H "Authorization: Bearer YOUR_ACCESS_TOKEN" \
     -H "Content-Type: application/json" \
     --data-binary @input.json

curl -X POST "https://api.aspose.cloud/v3.0/barcode/generate" \
     -H "Authorization: Bearer YOUR_ACCESS_TOKEN" \
     -H "Content-Type: application/json" \
     -d '{
           "text": "SampleCode123",
           "type": "Code128",
           "format": "png"
         }' \
     -o barcode.png

curl -X POST "https://api.aspose.cloud/v3.0/cells/convert?format=xlsx" \
     -H "Authorization: Bearer YOUR_ACCESS_TOKEN" \
     -H "Content-Type: application/json" \
     -d '{"FileName":"input.json"}' \
     -o output.xlsx

curl -X GET "https://api.aspose.cloud/v3.0/storage/file/output.xlsx" \
     -H "Authorization: Bearer YOUR_ACCESS_TOKEN" \
     -o output.xlsx

def generate_barcode_image(text: str,
                           barcode_type: EncodeBarcodeType = EncodeBarcodeType.QR,
                           image_format: str = "jpeg") -> bytes:
    request = GenerateBarcodeRequest(
        text=text,
        type=barcode_type,
        format=image_format
    )
    response = barcode_api.generate_barcode(request)
    return response.read()