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(). Bibliotēka ir strukturēta ap Workbook saknes objekts, kas pārvalda darblapas, stilus, diagrammas un I/O.
Galvenais ieejas punkts ir Workbook. Katrs Workbook satur vienu vai vairākus Worksheet objekti, kas piekļūst caur wb.worksheets[index].Individuālas šūnas tiek sasniegtas caur Cells kolekcija, izmantojot A1 notāciju vai nulles bāzētus rindu/kolonnas indeksus.
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 un Worksheet
ImageRenderOptions Workbook klase ir saknes objekts visām izklājlapu operācijām. Tā apstrādā failu ielādi, saglabāšanu un piekļuvi darblapām un dokumenta īpašībām.
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
Pievienojiet diagrammas darblapai, izmantojot the add_* metodes uz ws.charts. Katrs metode pieņem četrus pozīcijas argumentus: top_row, left_col, bottom_row, right_col. Piekļūstiet diagrammai pēc indeksa, lai iestatītu tās nosaukumu un datu sērijas.
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
Pievienojiet zīmēšanas formas un teksta lodziņus darblapas, izmantojot 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"Šūnu vērtības un stili
Lasiet un rakstiet šūnas vērtības, izmantojot .value īpašību. Mainiet formatējumu, piekļūstot cell.style tieši.
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")Piezīme: iestatot font.color, izmantojiet heksadecimālu virkni bez # prefiksa (piemēram,., "FF0000" sarkanajam).
Datu validācija
Pievienojiet nolaižamo sarakstu vai citus validācijas noteikumus šūnu diapazonam, izmantojot 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
Saglabājiet vai atveriet ar paroli aizsargātas darba grāmatas:
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")Publiskā API
ImageRenderOptions Cells klase nodrošina piekļuvi atsevišķām šūnām, izmantojot A1‑stila notāciju (piemēram,., "A1") vai 1‑balstītus rindu/kolonnas pāra indeksus. The Cell klase pārstāv vienu šūnu un atklāj value, formula, un style kā lasīšanas/rakstīšanas īpašības. Šūnu apvienošana un atdalīšana tiek atbalstīta, izmantojot merge() un unmerge() metodes uz 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 | darblapas | Saknes darblapas objekts |
Worksheet | darblapas lapa | Viena darblapas lapa ar šūnām, diagrammām, formām |
Cells | šūnas | Šūnu kolekcija ar A1 un 1‑balstītu (rinda, kolonna) piekļuvi |
Cell | šūna | Viena šūna: vērtība, formula, stils |
Style | stils | Šūnas formatēšana: fonts, aizpildījums, robežas, izlīdzināšana |
Chart | diagramma | Iegultā diagramma |
DataValidation | datu validācija | Šūnu diapazona validācijas noteikums |
CSVHandler | csv apstrādātājs | CSV importēšana/eksportēšana |
MarkdownHandler | markdown apstrādātājs | Markdown eksportēšana |
JsonHandler | json apstrādātājs | JSON eksportēšana |
Shape | forma | Zīmējuma forma vai teksta lodziņš |
Table | tabula | Excel strukturēta tabula |
SparklineGroup | sparklīnija | Sparklīniju diagrammas |
HorizontalPageBreakCollection | lapas pārtraukums | Manuāli lapas pārtraukumi |
AgileEncryptionParameters | šifrēšana | AES šifrēšanas parametri |
SaveFormat | darblapa | Izvades formāta enum |
Bieži sastopamie modeļi
# 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