import json
import xlrd

path = r"E:\RD\Kaotings\KT25-1015_AC695x_SDK310\Doc\音频板开发需求 20260725.xls"
book = xlrd.open_workbook(path, formatting_info=True)
result = {"sheets": []}

for sheet in book.sheets():
    rows = []
    for r in range(sheet.nrows):
        cells = []
        for c in range(sheet.ncols):
            value = sheet.cell_value(r, c)
            if value not in ("", None):
                cells.append({"cell": xlrd.formula.cellname(r, c), "value": value})
        if cells:
            rows.append(cells)
    result["sheets"].append(
        {
            "name": sheet.name,
            "nrows": sheet.nrows,
            "ncols": sheet.ncols,
            "merged": [
                {
                    "range": (
                        f"{xlrd.formula.cellname(rlo, clo)}:"
                        f"{xlrd.formula.cellname(rhi - 1, chi - 1)}"
                    )
                }
                for rlo, rhi, clo, chi in sheet.merged_cells
            ],
            "nonempty_rows": rows,
        }
    )

print(json.dumps(result, ensure_ascii=False, indent=2))