打开文件的不同方式

通过路径打开文件

开发人员可以通过在构造函数中指定本地计算机上的文件路径来打开Microsoft Excel文件。只需将路径作为string传递给构造函数。Aspose.Cells将自动检测文件格式类型。

import jpype
import asposecells
jpype.startJVM()
from asposecells.api import Workbook
# Opening a File via a Path
# The path to the documents directory.
dataDir = ""
# Opening through Path
# Creating a Workbook object and opening an Excel file using its file path
workbook = Workbook(dataDir + "Input.xlsx")
print("Workbook opened using path successfully!")
jpype.shutdownJVM()

通过流打开文件

也可以通过流简单地打开 Excel 文件。为此,使用接受包含文件的 BufferStream 对象的构造函数的重载版本。

import jpype
import asposecells
jpype.startJVM()
from asposecells.api import Workbook
from jpype import java
fis = java.io.FileInputStream("Input.xlsx")
workbook = Workbook(fis)
print("Workbook opened using stream successfully!!")
workbook.save("Output.pdf")
fis.close()
jpype.shutdownJVM()

仅打开带有数据的文件

要仅打开具有数据的文件,使用LoadOptionsLoadFilter类设置文件模板的相关属性和选项。

import jpype
import asposecells
jpype.startJVM()
from asposecells.api import Workbook, LoadOptions, LoadFormat, LoadFilter, LoadDataFilterOptions
# Opening a File with Data only
# The path to the documents directory.
dataDir = ""
# Load only specific sheets with data and formulas
# Other objects, items etc. would be discarded
# Instantiate LoadOptions specified by the LoadFormat
loadOptions = LoadOptions(LoadFormat.XLSX)
# Set LoadFilter property to load only data & cell formatting
loadOptions.setLoadFilter(LoadFilter(LoadDataFilterOptions.CELL_DATA))
# Create a Workbook object and opening the file from its path
workbook = Workbook(dataDir + "Input.xlsx", loadOptions)
print("File data imported successfully!")
jpype.shutdownJVM()