easyexcel 随机生成电话号码

以下是使用EasyExcel随机生成电话号码的示例代码：

import com.alibaba.excel.EasyExcel;
import com.alibaba.excel.annotation.ExcelProperty;
import com.alibaba.excel.write.builder.ExcelWriterBuilder;
import com.alibaba.excel.write.builder.ExcelWriterSheetBuilder;
import com.alibaba.excel.write.metadata.WriteSheet;
import com.alibaba.excel.write.metadata.fill.FillConfig;
import com.alibaba.excel.write.metadata.style.WriteCellStyle;
import com.alibaba.excel.write.style.HorizontalCellStyleStrategy;
import org.apache.poi.ss.usermodel.FillPatternType;
import org.apache.poi.ss.usermodel.IndexedColors;

import java.util.ArrayList;
import java.util.List;
import java.util.Random;

public class PhoneGenerator {

    public static void main(String[] args) {
        // 生成10个电话号码
        List<Phone> phoneList = generatePhoneList(10);

        // 写入Excel文件
        String fileName = "phone.xlsx";
        ExcelWriterBuilder writerBuilder = EasyExcel.write(fileName, Phone.class);
        ExcelWriterSheetBuilder sheetBuilder = writerBuilder.sheet();
        WriteSheet writeSheet = sheetBuilder.build();
        FillConfig fillConfig = FillConfig.builder().forceNewRow(Boolean.TRUE).build();
        WriteCellStyle headWriteCellStyle = new WriteCellStyle();
        headWriteCellStyle.setFillForegroundColor(IndexedColors.GREY_25_PERCENT.getIndex());
        headWriteCellStyle.setFillPatternType(FillPatternType.SOLID_FOREGROUND);
        HorizontalCellStyleStrategy horizontalCellStyleStrategy = new HorizontalCellStyleStrategy(headWriteCellStyle, null);
        EasyExcel.write(fileName, Phone.class).registerWriteHandler(horizontalCellStyleStrategy).fill(phoneList, fillConfig, writeSheet).finish();
        System.out.println("Excel文件已生成：" + fileName);
    }

    /**
     * 生成指定数量的电话号码
     *
     * @param count 生成数量
     * @return 电话号码列表
     */
    private static List<Phone> generatePhoneList(int count) {
        List<Phone> phoneList = new ArrayList<>();
        Random random = new Random();
        for (int i = 0; i < count; i++) {
            StringBuilder sb = new StringBuilder();
            // 生成电话号码前缀
            sb.append("1");
            for (int j = 0; j < 2; j++) {
                sb.append(random.nextInt(10));
            }
            sb.append("-");
            // 生成电话号码后缀
            for (int j = 0; j < 8; j++) {
                sb.append(random.nextInt(10));
            }
            phoneList.add(new Phone(sb.toString()));
        }
        return phoneList;
    }

    /**
     * 电话号码实体类
     */
    public static class Phone {
        @ExcelProperty("电话号码")
        private String phone;

        public Phone(String phone) {
            this.phone = phone;
        }

        public String getPhone() {
            return phone;
        }

        public void setPhone(String phone) {
            this.phone = phone;
        }
    }
}