Aspose.Cells FOSS API Reference
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(). Biblioteka je strukturirana oko Workbook korijenski objekt koji upravlja radnim listovima, stilovima, grafikonima i I/O.
Glavna ulazna točka je Workbook. Svaki Workbook sadrži jedan ili više Worksheet objekata pristupa se putem wb.worksheets[index]. Pojedinačne ćelije se dohvaćaju kroz Cells kolekciju koristeći A1 notaciju ili indeksiranje redova/kolona od nule.
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 i Worksheet
Workbook class je korijenski objekt za sve operacije proračunskih tablica. Ona upravlja učitavanjem, spremanjem datoteka i pristupom radnim listovima i svojstvima dokumenta.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 encryptionDodajte grafikone na radni list koristeći add_* metode na ws.charts. Svaka metoda prima četiri pozicijska argumenta: top_row, left_col, bottom_row, right_col. Pristupite grafikonu po indeksu kako biste postavili njegov naslov i seriju podataka.
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_mapDodajte crtežne oblike i tekstualna polja na radni list koristeći 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"Vrijednosti ćelija i stilovi
Čitajte i pišite vrijednosti ćelija koristeći .value svojstvo. Modificirajte formatiranje pristupanjem cell.style izravno.
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")Napomena: pri postavljanju font.color, upotrijebite heksadecimalni niz bez # prefiks (npr., "FF0000" za crvenu).
Provjera podataka
Dodajte padajući izbornik ili druga pravila provjere valjanosti rasponu ćelija koristeći 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")Spremite ili otvorite radne knjige zaštićene lozinkom:
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")Javni API
Cells klasa pruža pristup pojedinačnim ćelijama koristeći A1‑stil notaciju (npr., "A1") ili indeksima temeljene na 1 za redak/kolonu (tuple). The Cell klasa predstavlja pojedinačnu ćeliju i izlaže value, formula, i style kao svojstva za čitanje/pisanje. Spajanje i razdvajanje ćelija podržano je putem merge() i unmerge() metoda 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")Workbook | radna knjiga | Objekt korijenske radne knjige |
Worksheet | radni list | Jedan radni list s ćelijama, grafikonima, oblicima |
Cells | ćelije | Kolekcija ćelija s pristupom A1 i temeljeno na 1 (red, kolona) |
Cell | ćelija | Jedna ćelija: vrijednost, formula, stil |
Style | stil | Oblikovanje ćelije: font, ispun, rubovi, poravnanje |
Chart | graf | Ugrađeni grafikon |
DataValidation | provjera podataka | Pravilo provjere raspona ćelija |
CSVHandler | csv-handler | CSV uvoz/izvoz |
MarkdownHandler | markdown-handler | Markdown izvoz |
JsonHandler | json-handler | JSON izvoz |
Shape | oblik | Crtanje oblika ili tekstualnog okvira |
Table | tablica | Excel strukturirana tablica |
SparklineGroup | sparkline | Sparkline grafikoni |
HorizontalPageBreakCollection | prijelom stranice | Ručni prekidi stranica |
AgileEncryptionParameters | šifriranje | Parametri AES šifriranja |
SaveFormat | radna knjiga | Enum formata izlaza |
Uobičajeni obrasci
# 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