How to add and delete controls to an Excel table in Java?

import com.spire.xls.*;
import com.spire.xls.core.*;

public class AddFormControl {
    public static void main(String[] args) {
        //创建工作簿，获取第一个工作表
        Workbook wb = new Workbook();
        Worksheet sheet = wb.getWorksheets().get(0);

        sheet.getCellRange("A2").setText("姓名： ");
        //添加文本框
        ITextBoxShape textbox = sheet.getTextBoxes().addTextBox(2, 2, 18, 65);
        textbox.setText("李宏");
        textbox.setHAlignment(CommentHAlignType.Center);
        textbox.setVAlignment(CommentVAlignType.Center);

        sheet.getCellRange("A4").setText("性别： ");
        //添加单选按钮1
        IRadioButton radiobutton1 = sheet.getRadioButtons().add(4, 2, 18, 65);
        radiobutton1.setText("男");
        radiobutton1.setCheckState(CheckState.Checked);
        //添加单选按钮2
        IRadioButton radiobutton2 = sheet.getRadioButtons().add(4, 4, 18, 65);
        radiobutton2.setText("女");

        sheet.getCellRange("A6").setText("爱好：");
        //添加复选框1
        ICheckBox checkbox1 = sheet.getCheckBoxes().addCheckBox(6, 2, 18, 65);
        checkbox1.setCheckState(CheckState.Checked);
        checkbox1.setText("摄影");
        //添加复选框2
        ICheckBox checkbox2 = sheet.getCheckBoxes().addCheckBox(6, 4, 18, 65);
        checkbox2.setCheckState(CheckState.Checked);
        checkbox2.setText("围棋");

        sheet.getCellRange("A8").setText("职业：");
        sheet.getCellRange("A20").setText("学生");
        sheet.getCellRange("A21").setText("教师");
        sheet.getCellRange("A22").setText("医生");
        //添加组合框
        IComboBoxShape combobox = sheet.getComboBoxes().addComboBox(8, 2, 18, 65);
        combobox.setListFillRange(sheet.getCellRange("A20:A22"));
        combobox.setSelectedIndex(2);

        sheet.getCellRange("A10").setText("行政级别：");
        //添加微调按钮
        ISpinnerShape spinnerShape = sheet.getSpinnerShapes().addSpinner(10,2,18,30);
        spinnerShape.setCurrentValue(1);
        spinnerShape.setDisplay3DShading(true);
        spinnerShape.setLinkedCell(sheet.getCellRange("B10"));
        spinnerShape.setMin(1);
        spinnerShape.setMax(5);

        //保存文档
        wb.saveToFile("AddControls.xlsx", ExcelVersion.Version2013);
        wb.dispose();
    }
}

import com.spire.xls.*;

public class RemoveFormControl {
    public static void main(String[] args) {
        //加载Excel工作簿
        Workbook wb = new Workbook();
        wb.loadFromFile("AddControls.xlsx");

        //获取第一个工作表
        Worksheet sheet = wb.getWorksheets().get(0);

        //删除工作表中的所有单选按钮
        for(int j = 0; j < sheet.getRadioButtons().getCount(); j ++){
            sheet.getRadioButtons().get(j).remove();
        }

        //保存文档
        wb.saveToFile("RemoveFormControl.xlsx",ExcelVersion.Version2013);
        wb.dispose();
    }
}