วิธีการอัตราค่าตารางใน Java

<dependency>
  <groupId>com.aspose</groupId>
  <artifactId>aspose-cells-foss</artifactId>
  <version>1.0.0</version>
</dependency>

import com.aspose.cells.foss.Workbook;

Workbook workbook = new Workbook("data/report.xlsx");
System.out.println("Loaded. Sheets: " + workbook.getWorksheets().getCount());

import com.aspose.cells.foss.Workbook;
import java.io.FileInputStream;
import java.io.InputStream;

try (InputStream is = new FileInputStream("data/report.xlsx")) {
    Workbook workbook = new Workbook(is);
    System.out.println("Loaded from stream. Sheets: " + workbook.getWorksheets().getCount());
}

import com.aspose.cells.foss.Workbook;
import com.aspose.cells.foss.LoadOptions;

LoadOptions opts = new LoadOptions();
// configure opts here if needed
Workbook workbook = new Workbook("data/report.xlsx", opts);

import com.aspose.cells.foss.WorksheetCollection;
import com.aspose.cells.foss.Worksheet;

WorksheetCollection sheets = workbook.getWorksheets();
System.out.println("Sheet count: " + sheets.getCount());

// By index
Worksheet first = sheets.get(0);
System.out.println("First sheet: " + first.getName());

// By name
Worksheet named = sheets.get("Summary");

import com.aspose.cells.foss.Cells;
import com.aspose.cells.foss.Cell;

Cells cells = first.getCells();

// Read by cell name
Cell a1 = cells.get("A1");
System.out.println("A1 value: " + a1.getStringValue());

// Read by row/column index (0-based)
Cell b2 = cells.get(1, 1);
System.out.println("B2 value: " + b2.getValue());

try (Workbook workbook = new Workbook("data/large.xlsx")) {
    // read or modify the workbook
    workbook.save("data/output.xlsx");
}
// workbook.close() is called automatically here