@Test
    public void cellDataRead() {
        String fileName = TestFileUtil.getPath() + "demo" + File.separator + "cellDataDemo.xlsx";
        // Specify the class to read, then read the first sheet
        EasyExcel.read(fileName, CellDataReadDemoData.class, new CellDataDemoHeadDataListener()).sheet().doRead();
    }
Read formulas and cell types

<p>
1. Create an entity object corresponding to the Excel data structure. Refer to {@link CellDataReadDemoData}.
<p>
2. Since EasyExcel reads Excel files row by row by default, you need to create a callback listener for each row. Refer to {@link CellDataDemoHeadDataListener}.
<p>
3. Directly read the file.

@since 2.2.0-beat1
fastexcel-test/src/test/java/cn/idev/excel/test/demo/read/ReadTest.java