Aspose.Cells FOSS API Reference
ImageRenderOptions
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(). Perpustakaan disusun di sekitar satu Workbook objek root yang mengurus lembar kerja, gaya, carta, dan I/O.
. Titik masuk teras ialah Workbook. Setiap Workbook mengandungi satu atau lebih Worksheet objek yang diakses melalui wb.worksheets[index]. Sel individu dicapai melalui Cells koleksi menggunakan notasi A1 atau indeks baris/kolum berasaskan sifar.
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 dan Worksheet
ImageRenderOptions Workbook kelas ialah objek root untuk semua operasi hamparan. Ia mengendalikan pemuatan fail, penyimpanan, dan akses kepada lembar kerja serta sifat dokumen.
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
Tambah carta ke lembar kerja menggunakan add_* kaedah pada ws.charts. Setiap kaedah mengambil empat argumen posisi: top_row, left_col, bottom_row, right_col. Akses carta mengikut indeks untuk menetapkan tajuk dan siri data.
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
Tambah bentuk lukisan dan kotak teks ke lembar kerja menggunakan 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"Nilai Sel dan Gaya
Baca dan tulis nilai sel menggunakan .value sifat. Ubah format dengan mengakses cell.style secara langsung.
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")Nota: apabila menetapkan font.color, gunakan rentetan heks tanpa a # awalan (contohnya,., "FF0000" untuk merah).
Pengesahan Data
Tambah dropdown atau peraturan pengesahan lain kepada julat sel menggunakan 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
Simpan atau buka workbook yang dilindungi kata laluan:
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")API Awam
ImageRenderOptions Cells kelas menyediakan akses kepada sel individu menggunakan notasi gaya A1 (contohnya,., "A1") atau indeks tuple baris/kolum berasaskan 1. Kelas Cell kelas mewakili satu sel dan mendedahkan value, formula, dan style sebagai sifat baca/tulis. Penggabungan dan pemisahan sel disokong melalui merge() dan unmerge() kaedah pada 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 | buku kerja | Objek buku kerja akar |
Worksheet | lembar kerja | Lembaran kerja tunggal dengan sel, carta, bentuk |
Cells | sel | Koleksi sel dengan akses A1 dan berasaskan 1 (baris, kolum) |
Cell | sel | Sel tunggal: nilai, formula, gaya |
Style | gaya | Pemformatan sel: font, isi, sempadan, penjajaran |
Chart | carta | Carta terbenam |
DataValidation | pengesahan-data | Peraturan pengesahan julat sel |
CSVHandler | csv-handler | Import/eksport CSV |
MarkdownHandler | markdown-pengendali | Eksport Markdown |
JsonHandler | json-pengendali | Eksport JSON |
Shape | bentuk | Melukis bentuk atau kotak teks |
Table | jadual | Jadual berstruktur Excel |
SparklineGroup | sparkline | Carta sparkline |
HorizontalPageBreakCollection | hentian halaman | Pemisah halaman manual |
AgileEncryptionParameters | penyulitan | Parameter penyulitan AES |
SaveFormat | buku kerja | Enum format output |
Corak Umum
# 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