获取单元格索引

可能的使用场景

当您只需通过行和列索引操作工作表上的特定数据时,您需要了解该特定单元格的行索引和列索引。 Aspose.Cells for Java脚本通过C++提供了根据行名、列名和单元格名获取行列索引的功能。 Aspose.Cells for JavaScript通过C++提供以下属性和方法帮助你实现目标。

注意:在Aspose.Cells for Java脚本通过C++中索引从零开始,但在MS Excel中行的ID是从一开始的。

使用Aspose.Cells for Java脚本通过C++获取单元格索引

此示例演示如何:

  1. 创建一个工作簿并添加一些数据。
  2. 在第一个工作表中查找特定单元格。
  3. 通过单元格名称获取行索引和列索引。
  4. 通过列名获取列索引。
  5. 通过行名获取行索引。
<!DOCTYPE html>
<html>
    <head>
        <title>Aspose.Cells Example</title>
    </head>
    <body>
        <h1>Aspose.Cells Example</h1>
        <input type="file" id="fileInput" accept=".xls,.xlsx,.csv" />
        <button id="runExample">Run Example</button>
        <a id="downloadLink" style="display: none;">Download Result</a>
        <div id="result"></div>
    </body>

    <script src="aspose.cells.js.min.js"></script>
    <script type="text/javascript">
        const { Workbook, SaveFormat, CellsHelper } = AsposeCells;

        AsposeCells.onReady({
            license: "/lic/aspose.cells.enc",
            fontPath: "/fonts/",
            fontList: [
                "arial.ttf",
                "NotoSansSC-Regular.ttf"
            ]
        }).then(() => {
            console.log("Aspose.Cells initialized");
        });

        document.getElementById('runExample').addEventListener('click', () => {
            // Create a new workbook
            const workbook = new Workbook();

            // Access cells of the first worksheet
            const cells = workbook.worksheets.get(0).cells;

            let cell = cells.get("A1");
            cell.putValue("Fruit");
            cell = cells.get("B1");
            cell.putValue("Count");
            cell = cells.get("C1");
            cell.putValue("Price");

            cell = cells.get("A2");
            cell.putValue("Apple");
            cell = cells.get("A3");
            cell.putValue("Mango");
            cell = cells.get("A4");
            cell.putValue("Blackberry");
            cell = cells.get("A5");
            cell.putValue("Cherry");

            cell = cells.get("B2");
            cell.putValue(5);
            cell = cells.get("B3");
            cell.putValue(3);
            cell = cells.get("B4");
            cell.putValue(6);
            cell = cells.get("B5");
            cell.putValue(4);

            cell = cells.get("C2");
            cell.putValue(5);
            cell = cells.get("C3");
            cell.putValue(20);
            cell = cells.get("C4");
            cell.putValue(30);
            cell = cells.get("C5");
            cell.putValue(60);

            // Find the cell containing "Blackberry"
            const curr = cells.find("Blackberry", null);

            // Current cell name
            const currentCellName = curr.name;

            // get row and column index of current cell
            const rowCol = CellsHelper.cellNameToIndex(curr.name);
            const currRow = rowCol[0];
            const currCol = rowCol[1];

            // get column name by column index
            const columnName = CellsHelper.columnIndexToName(currCol);

            // get row name by row index
            const rowName = CellsHelper.rowIndexToName(currRow);

            // get column index by column name
            const columnIndex = CellsHelper.columnNameToIndex(columnName);

            // get row index by row name
            const rowIndex = CellsHelper.rowNameToIndex(rowName);

            const outputs = [];
            outputs.push("Current Cell Name: " + currentCellName);
            outputs.push("Row Index: " + currRow + "  Column Index: " + currCol);
            outputs.push("Column Name: " + columnName + " Row Name: " + rowName);
            outputs.push("Column Index: " + columnIndex + " Row Index: " + rowIndex);
            outputs.push("columnIndex == currCol: " + (columnIndex == currCol));
            outputs.push("rowIndex == currRow: " + (rowIndex == currRow));

            document.getElementById('result').innerHTML = '<pre>' + outputs.join('\n') + '</pre>';

            // Save the workbook and provide download link
            const outputData = workbook.save(SaveFormat.Xlsx);
            const blob = new Blob([outputData], { type: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet' });
            const downloadLink = document.getElementById('downloadLink');
            downloadLink.href = URL.createObjectURL(blob);
            downloadLink.download = 'output.xlsx';
            downloadLink.style.display = 'block';
            downloadLink.textContent = 'Download Excel File';
        });
    </script>
</html>