import com.alibaba.excel.EasyExcel;
import com.alibaba.excel.write.builder.ExcelWriterBuilder;
import com.alibaba.excel.write.builder.ExcelWriterSheetBuilder;
import com.alibaba.excel.write.merge.OnceAbsoluteMergeStrategy;
import com.alibaba.excel.write.metadata.style.HorizontalCellStyleStrategy;
import java.util.List;
public class ExcelExport {
    public static void main(String[] args) {
        String templateFileName = "E:\\xnworkspace\\mgmt-data-analysis\\src\\main\\resources\\template\\mainReportTpl.xlsx";
        String fileName = "E:\\xnworkspace\\mgmt-data-analysis\\sdf.xlsx";
        // 获取数据
        MainReportData data = projectService.mainReportData(41);
        List<DetailReportData> mainReportData = projectService.detailReportData(41);
        // 对数据进行预处理
        DetailReportData.replaceStatusField(mainReportData);
        List<OnceAbsoluteMergeStrategy> mergeStrategyList = DetailReportData.getMergeStrategy(mainReportData);
        List<HorizontalCellStyleStrategy> styleStrategyList = DetailReportData.getStyleStrategy(mainReportData);
        // 创建Excel写入器
        ExcelWriterBuilder write = EasyExcel.write(fileName);
        // 使用模板文件填充数据
        write.withTemplate(templateFileName).sheet().doFill(data);
        // 创建第二个sheet并写入数据
        ExcelWriterSheetBuilder sheet2 = write.head(DetailReportData.class).sheet(1, "任务详情");
        for (OnceAbsoluteMergeStrategy onceAbsoluteMergeStrategy : mergeStrategyList) {
            sheet2.registerWriteHandler(onceAbsoluteMergeStrategy);
        }
        for (HorizontalCellStyleStrategy horizontalCellStyleStrategy : styleStrategyList) {
            sheet2.registerWriteHandler(horizontalCellStyleStrategy);
        }
        sheet2.doWrite(mainReportData);
    }
}