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 ini disusun di sekitar sebuah Workbook objek root yang mengelola lembar kerja, gaya, diagram, dan I/O.
Titik masuk inti adalah Workbook. Setiap Workbook berisi satu atau lebih Worksheet objek yang diakses melalui wb.worksheets[index]. Sel individual dapat diakses melalui Cells koleksi menggunakan notasi A1 atau indeks baris/kolom berbasis nol.
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 adalah objek root untuk semua operasi spreadsheet. Ia menangani pemuatan file, penyimpanan, dan akses ke lembar kerja serta properti 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
Tambahkan diagram ke lembar kerja menggunakan add_* metode pada ws.charts. Setiap metode menerima empat argumen posisi: top_row, left_col, bottom_row, right_col. Akses diagram dengan indeks untuk mengatur judul dan seri 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
Tambahkan bentuk gambar 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 properti. Modifikasi pemformatan dengan mengakses cell.style 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")Catatan: saat mengatur font.color, gunakan string heksadesimal tanpa a # awalan (misalnya,., "FF0000" untuk merah).
Validasi Data
Tambahkan dropdown atau aturan validasi lain ke rentang 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 sandi:
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 Publik
ImageRenderOptions Cells kelas menyediakan akses ke sel individual menggunakan notasi gaya A1 (misalnya,., "A1") atau indeks tuple baris/kolom berbasis 1. The Cell kelas mewakili satu sel dan mengekspos value, formula, dan style sebagai properti baca/tulis. Penggabungan dan pemisahan sel didukung melalui merge() dan unmerge() metode 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 | Lembar kerja tunggal dengan sel, diagram, bentuk |
Cells | sel | Koleksi sel dengan akses A1 dan berbasis 1 (baris, kolom) |
Cell | sel | Sel tunggal: nilai, rumus, gaya |
Style | gaya | Pemformatan sel: font, isi, batas, perataan |
Chart | grafik | Diagram tersemat |
DataValidation | validasi-data | Aturan validasi rentang sel |
CSVHandler | csv-handler | Impor/ekspor CSV |
MarkdownHandler | markdown-penangani | Ekspor Markdown |
JsonHandler | json-penangani | Ekspor JSON |
Shape | bentuk | Menggambar bentuk atau kotak teks |
Table | tabel | tabel terstruktur Excel |
SparklineGroup | sparkline | grafik sparkline |
HorizontalPageBreakCollection | pemutus halaman | Pemutus halaman manual |
AgileEncryptionParameters | enkripsi | parameter enkripsi AES |
SaveFormat | buku kerja | Enum format output |
Pola 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