Aspose.Cells FOSS API Reference
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Aspose.Cells FOSS is an open-source Python library for creating, reading, and modifying spreadsheet files without requiring Microsoft Excel. It supports XLSX and CSV formats for input, and adds Markdown export via save_as_markdown(). Knižnica je štruktúrovaná okolo Workbook root objekt, ktorý spravuje hárky, štýly, grafy a I/O.
. Hlavný vstupný bod je Workbook.Každý Workbook obsahuje jeden alebo viac Worksheet objektov prístupných cez wb.worksheets[index]. Individuálne bunky sa získavajú cez Cells kolekciu pomocou A1 notácie alebo nulovo založených indexov riadkov/stĺpcov.
from aspose.cells_foss import Workbook
wb = Workbook()
ws = wb.worksheets[0]
ws.cells["A1"].value = "Revenue"
ws.cells["B2"].value = 42
wb.save("output.xlsx")Workbook a Worksheet
ImageRenderOptions Workbook trieda je root objektom pre všetky operácie s tabuľkovými dokumentmi. Spravuje načítanie a ukladanie súborov a prístup k hárkom a vlastnostiam dokumentu.
from aspose.cells_foss import Workbook
wb = Workbook() # new workbook
wb = Workbook("input.xlsx") # open existing file
wb = Workbook("protected.xlsx", password="secret") # open encrypted file
ws = wb.worksheets[0] # first worksheet (0-based)
ws = wb.add_worksheet("Sheet2") # add a named worksheet
ws.cells["A1"].put_value("Hello") # write by A1 reference
ws.cells["A1"].value # read value (property, no parentheses)
ws.cells["A2"].formula = "=SUM(B1:B5)"
wb.save("output.xlsx") # save as XLSX
wb.save("output.csv") # auto-detects format from extension
wb.save_as_markdown("output.md") # export as Markdown table
wb.save("output.xlsx", password="secret") # save with AES encryptionImageRenderOptions
Pridajte grafy do hárka pomocou add_* metód na ws.charts. Každá metóda prijíma štyri pozičné argumenty: top_row, left_col, bottom_row, right_col. Pristúpte k grafu podľa indexu a nastavte jeho názov a dátové série.
from aspose.cells_foss import Workbook
wb = Workbook()
ws = wb.worksheets[0]
chart_idx = ws.charts.add_line(upper_left_row=0, upper_left_col=4,
lower_right_row=20, lower_right_col=12)
chart = ws.charts[chart_idx]
chart.title = "Monthly Sales"
chart.n_series.add("B2:B7", category_data="A2:A7", name="Sales")
# Other add methods: add_bar, add_pie, add_area, add_scatter,
# add_waterfall, add_combo, add_stock, add_surface, add_radar,
# add_treemap, add_sunburst, add_histogram, add_funnel,
# add_box_whisker, add_mapImageRenderOptions
Pridajte kreslené tvary a textové polia do hárka pomocou ws.shapes.
from aspose.cells_foss import Workbook
from aspose.cells_foss import MsoDrawingType, TextAlignmentType, TextAnchorType
wb = Workbook()
ws = wb.worksheets[0]
shape = ws.shapes.add(MsoDrawingType.ROUNDED_RECTANGLE, 1, 1, 5, 5)
shape.text = "Hello"
shape.fill.fore_color = "90EE90"
shape.font.bold = True
shape.text_horizontal_alignment = TextAlignmentType.CENTER
shape.text_vertical_alignment = TextAnchorType.MIDDLE
textbox = ws.shapes.add_text_box(7, 1, 11, 8)
textbox.text = "Notes"Hodnoty buniek a štýly
Čítajte a zapisujte hodnoty buniek pomocou .value vlastnosti. Formátovanie upravte prístupom k cell.style priamo.
from aspose.cells_foss import Workbook
workbook = Workbook()
worksheet = workbook.worksheets[0]
# Write values
worksheet.cells["A1"].value = "Hello"
worksheet.cells["B1"].value = "World"
worksheet.cells["A2"].value = 42
worksheet.cells["B2"].value = 3.14
# Read a value
value = worksheet.cells["A1"].value
print(f"Cell A1 contains: {value}")
# Apply a style via the cell's style property
cell = worksheet.cells["A1"]
cell.style.font.bold = True
cell.style.font.size = 14
cell.style.font.color = "FF0000" # RRGGBB hex, no # prefix
cell.style.set_horizontal_alignment("center")
cell.style.set_number_format("#,##0.00")
cell.style.set_border("bottom", line_style="thin")
workbook.save("output.xlsx")Poznámka: pri nastavovaní font.color, použite hexadecimálny reťazec bez # prefix (napr., "FF0000" pre červenú).
Validácia údajov
Pridajte rozbaľovací zoznam alebo iné validačné pravidlá do rozsahu buniek pomocou ws.data_validations.
from aspose.cells_foss import Workbook, DataValidationType
workbook = Workbook()
worksheet = workbook.worksheets[0]
validation = worksheet.data_validations.add("A1:A10")
validation.type = DataValidationType.LIST
validation.formula1 = '"Option1,Option2,Option3"'
workbook.save("validation.xlsx")ImageRenderOptions
Uložte alebo otvorte zošity chránené heslom:
from aspose.cells_foss import Workbook
workbook = Workbook()
worksheet = workbook.worksheets[0]
worksheet.cells["A1"].value = "Confidential Data"
# Save with password protection
workbook.save("protected.xlsx", password="mypassword")
# Open a password-protected file
workbook2 = Workbook("protected.xlsx", password="mypassword")Verejné API
ImageRenderOptions Cells trieda poskytuje prístup k jednotlivým bunkám pomocou notácie štýlu A1 (napr., "A1") alebo indexy n-tíc riadkov/stĺpcov číslovaných od 1. Trieda Cell trieda predstavuje jednu bunku a zverejňuje value, formula, a style ako vlastnosti na čítanie/zápis. Zlučovanie a rozdeľovanie buniek je podporované pomocou merge() a unmerge() metódy na Cells.
from aspose.cells_foss import Workbook
workbook = Workbook()
worksheet = workbook.worksheets[0]
worksheet.cells["A1"].value = "Hello"
worksheet.cells["B1"].value = "World" # A1 notation preferred
workbook.save("output.xlsx")| ImageRenderOptions | ImageRenderOptions | ImageRenderOptions |
|---|---|---|
Workbook | zošite | Koreňový objekt zošita |
Worksheet | list | Jeden list s bunkami, grafmi, tvarmi |
Cells | bunky | Zbierka buniek s prístupom A1 a číslovaním od 1 (riadok, stĺpec) access |
Cell | bunka | Jedna bunka: hodnota, vzorec, štýl |
Style | štýl | Formátovanie bunky: písmo, výplň, okraje, zarovnanie |
Chart | graf | Vložený graf |
DataValidation | overovanie údajov | Pravidlo overovania rozsahu buniek |
CSVHandler | csv-handler | CSV import/export |
MarkdownHandler | markdown-handler | Markdown export |
JsonHandler | json-handler | JSON export |
Shape | tvar | Kreslenie tvaru alebo textového poľa |
Table | tabuľka | Štruktúrovaná tabuľka Excel |
SparklineGroup | sparkline | Sparkline grafy |
HorizontalPageBreakCollection | zalomenie strany | Manuálne zalomenia stránok |
AgileEncryptionParameters | šifrovanie | Parametre šifrovania AES |
SaveFormat | zošit | Výstupný formát enum |
Bežné vzory
# Styling a cell
cell = ws.cells["A1"]
cell.style.font.bold = True
cell.style.font.size = 14
cell.style.font.color = "FF0000" # red (RRGGBB, no #)
cell.style.set_horizontal_alignment("center")
cell.style.set_number_format("#,##0.00")
cell.style.set_border("bottom", line_style="thin")# Add a dropdown validation
from aspose.cells_foss import DataValidationType
dv = ws.data_validations.add("B1:B10")
dv.type = DataValidationType.LIST
dv.formula1 = '"Red,Green,Blue"'
dv.show_dropdown = True