提交

MrShi

2025-05-09 ffa54cddadb29a265869573abb0c1067fcd74b96

 server/system_service/src/main/java/com/doumee/core/annotation/excel/ExcelExporter.java

@@ -2,6 +2,7 @@

import com.doumee.core.constants.ResponseStatus;
import com.doumee.core.exception.BusinessException;
import com.doumee.core.utils.Constants;
import lombok.AllArgsConstructor;
import lombok.Data;
import org.apache.poi.ss.usermodel.*;
@@ -30,6 +31,7 @@
    private static final String DEFAULT_SHEET_NAME = "Sheet1";

    private Class<T> modelClass;
    private static int maxrows = 50000;

    private ExcelExporter(){}

@@ -76,6 +78,11 @@
                // 设置列头单元格
                configHeaderCell(sxssfWorkbook, cell, column.columnConfig);
            }
            List<CellStyle> styleList = new ArrayList<>();
            for (int columnIndex = 0; columnIndex < columns.size(); columnIndex++) {
                ColumnInfo column = columns.get(columnIndex);
                styleList.add( configDataCell(sxssfWorkbook,   column.columnConfig));
            }
            // 创建数据记录
            for (int rowIndex = 0; rowIndex < data.size(); rowIndex++) {
                Row row = sheet.createRow(rowIndex + 2);
@@ -83,20 +90,15 @@
                    ColumnInfo column = columns.get(columnIndex);
                    Cell cell = row.createCell(columnIndex);
                    cell.setCellValue(getCellData(column, data.get(rowIndex)));

                    // 设置数据单元格
                    configDataCell(sxssfWorkbook, cell, column.columnConfig);

                    cell.setCellStyle(styleList.get(columnIndex));
                }
            }


            sheet.addMergedRegion(new CellRangeAddress(data.size()+2   ,data.size()+2,0,this.getColumns().size()-1));
            Row endRow = sheet.createRow(data.size()+2);
//            endRow.setHeight((short) 600);
            Cell c1 = endRow.createCell(0);
            c1.setCellValue(end);
            configEndCell(sxssfWorkbook,c1);
            c1.setCellStyle(  configEndCell(sxssfWorkbook));
            sxssfWorkbook.write(os);
            os.close();
        } catch (Exception e) {
@@ -122,36 +124,21 @@
        SXSSFWorkbook sxssfWorkbook;
        try {
            sxssfWorkbook = new SXSSFWorkbook();
            Sheet sheet = sxssfWorkbook.createSheet(sheetName);
            // 创建列头
            sheet.createFreezePane(0, 1);
            Row header = sheet.createRow(0);
            List<ColumnInfo> columns = this.getColumns();
            for (int columnIndex = 0; columnIndex < columns.size(); columnIndex++) {
                ColumnInfo column = columns.get(columnIndex);
                Cell cell = header.createCell(columnIndex);
                cell.setCellValue(column.columnConfig.name());
                // 列宽设置
                if (column.columnConfig.width() == -1) {
                    sheet.setColumnWidth(columnIndex, column.columnConfig.name().length() * 2 * 256);
                } else {
                    sheet.setColumnWidth(columnIndex, column.columnConfig.width() * 2 * 256);
            int totalSheet =1;
            if( data!=null && data.size()>0){
                totalSheet = data.size()/maxrows;
                if(data.size()%maxrows !=0){
                    totalSheet += 1;
                }
                // 设置列头单元格
                configHeaderCell(sxssfWorkbook, cell, column.columnConfig);
            }
            // 创建数据记录
            for (int rowIndex = 0; rowIndex < data.size(); rowIndex++) {
                Row row = sheet.createRow(rowIndex + 1);
                for (int columnIndex = 0; columnIndex < columns.size(); columnIndex++) {
                    ColumnInfo column = columns.get(columnIndex);
                    Cell cell = row.createCell(columnIndex);
                    cell.setCellValue(getCellData(column, data.get(rowIndex)));

                    // 设置数据单元格
                    configDataCell(sxssfWorkbook, cell, column.columnConfig);

            for (int i = 0; i < totalSheet; i++) {
                List<T> list = null;
                if(data.size() < maxrows * (i+1)) {
                    list = data.subList(maxrows*i,data.size());
                }else{
                    list = data.subList(maxrows*i,maxrows*(i+1));
                }
                createSheetDataBiz(list,"【"+(i+1)+"】"+sheetName,sxssfWorkbook);
            }
            sxssfWorkbook.write(os);
            os.close();
@@ -164,6 +151,43 @@
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    }

    private void createSheetDataBiz(List<T> data, String sheetName, SXSSFWorkbook sxssfWorkbook) throws Exception{
        Sheet sheet = sxssfWorkbook.createSheet(sheetName);
        // 创建列头
        sheet.createFreezePane(0, 1);
        Row header = sheet.createRow(0);
        List<ColumnInfo> columns = this.getColumns();
        for (int columnIndex = 0; columnIndex < columns.size(); columnIndex++) {
            ColumnInfo column = columns.get(columnIndex);
            Cell cell = header.createCell(columnIndex);
            cell.setCellValue(column.columnConfig.name());
            // 列宽设置
            if (column.columnConfig.width() == -1) {
                sheet.setColumnWidth(columnIndex, column.columnConfig.name().length() * 2 * 256);
            } else {
                sheet.setColumnWidth(columnIndex, column.columnConfig.width() * 2 * 256);
            }
            // 设置列头单元格
            configHeaderCell(sxssfWorkbook, cell, column.columnConfig);
        }
        List<CellStyle> styleList = new ArrayList<>();
        for (int columnIndex = 0; columnIndex < columns.size(); columnIndex++) {
            ColumnInfo column = columns.get(columnIndex);
            styleList.add( configDataCell(sxssfWorkbook,   column.columnConfig));
        }
        // 创建数据记录
        for (int rowIndex = 0; rowIndex < data.size(); rowIndex++) {
            Row row = sheet.createRow(rowIndex + 1);
            for (int columnIndex = 0; columnIndex < columns.size(); columnIndex++) {
                ColumnInfo column = columns.get(columnIndex);
                Cell cell = row.createCell(columnIndex);
                cell.setCellValue(getCellData(column, data.get(rowIndex)));
                // 设置数据单元格样式
                cell.setCellStyle(styleList.get(columnIndex));
            }
        }
    }
@@ -251,27 +275,29 @@
    /**
     * 配置数据单元格
     */
    private void configDataCell (SXSSFWorkbook workbook, Cell cell, ExcelColumn columnConfig) {
        CellStyle style = workbook.createCellStyle();
        style.setAlignment(columnConfig.align());
        style.setVerticalAlignment(VerticalAlignment.CENTER);
        // 设置背景
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        style.setFillForegroundColor(columnConfig.dataBackgroundColor().getIndex());
        // 字体
        Font font = workbook.createFont();
        font.setFontHeightInPoints(columnConfig.fontSize());
        // 字体颜色
        font.setColor(columnConfig.color().getIndex());
        // 粗体
        font.setBold(columnConfig.bold());
        // 斜体
        font.setItalic(columnConfig.italic());
        style.setFont(font);
        // 边框
        configCellBorder(style);
        style.setWrapText(true);
        cell.setCellStyle(style);
    private CellStyle configDataCell (SXSSFWorkbook workbook, ExcelColumn columnConfig) {
            CellStyle  configDataCellStyle = workbook.createCellStyle();
            configDataCellStyle.setAlignment(columnConfig.align());
            configDataCellStyle.setVerticalAlignment(VerticalAlignment.CENTER);
            // 设置背景
            configDataCellStyle.setFillPattern(FillPatternType.SOLID_FOREGROUND);
            configDataCellStyle.setFillForegroundColor(columnConfig.dataBackgroundColor().getIndex());
            // 字体
            Font font = workbook.createFont();
            font.setFontHeightInPoints(columnConfig.fontSize());
            // 字体颜色
            font.setColor(columnConfig.color().getIndex());
            // 粗体
            font.setBold(columnConfig.bold());
            // 斜体
            font.setItalic(columnConfig.italic());
            configDataCellStyle.setFont(font);
            // 边框
            configCellBorder(configDataCellStyle);
            configDataCellStyle.setWrapText(true);

        return configDataCellStyle;
//        cell.setCellStyle(configDataCellStyle);
    }

    /**
@@ -310,10 +336,11 @@
        configCellBorder(style);
        cell.setCellStyle(style);
    }
//    public static CellStyle configEndCellStyle =null;
    /**
     * 配置列头单元格
     */
    private void configEndCell (SXSSFWorkbook workbook, Cell cell ) {
    private CellStyle configEndCell (SXSSFWorkbook workbook ) {
        CellStyle style = workbook.createCellStyle();
        style.setAlignment(HorizontalAlignment.RIGHT);
        style.setVerticalAlignment(VerticalAlignment.CENTER);
@@ -326,13 +353,14 @@
        style.setFont(font);
        // 设置边框
        configCellBorder(style);
        cell.setCellStyle(style);
        return style;

    }

    /**
     * 配置单元格边框
     */
    private void configCellBorder (CellStyle style) {
    private static void configCellBorder(CellStyle style) {
        style.setBorderTop(BorderStyle.THIN);
        style.setBorderRight(BorderStyle.THIN);
        style.setBorderBottom(BorderStyle.THIN);
@@ -401,4 +429,91 @@
        private Field field;
    }

    /**
     * 导出到指定输出流
     * @param os 输出流
     */
    public static void exportList (List<List<String>> dataList ,String sheetName, OutputStream os) {
        SXSSFWorkbook sxssfWorkbook;
        try {
            sxssfWorkbook = new SXSSFWorkbook();
            Sheet sheet = sxssfWorkbook.createSheet(sheetName);
            // 创建列头
            sheet.createFreezePane(0, 1);
            CellStyle hstyle = configHeaderCellStatic(sxssfWorkbook);
            CellStyle rowStyle = configDataCellStatic(sxssfWorkbook);
            for (int i = 0; i < dataList.size(); i++) {
                Row row = sheet.createRow(i);
                List<String> rowList = dataList.get(i);
                for (int j = 0; j < rowList.size(); j++) {
                    Cell cell = row.createCell(j);
                    if(i==0&&j==0){
                        cell.setCellValue("数据日期");
                    }else{
                        cell.setCellValue(rowList.get(j));
                    }

                    if(i==0){
                        sheet.setColumnWidth(i, rowList.get(i).length() * 2 * 256);
                        cell.setCellStyle(hstyle);
                    }else if(j==0){
                        cell.setCellStyle(rowStyle);
                    }
                }
            }
            sxssfWorkbook.write(os);
            os.close();
        } catch (Exception e) {
            throw new BusinessException(ResponseStatus.EXPORT_EXCEL_ERROR, e);
        } finally {
            if (os != null) {
                try {
                    os.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    }


    private static CellStyle configHeaderCellStatic (SXSSFWorkbook workbook)  {
        CellStyle style = workbook.createCellStyle();
        style.setAlignment(HorizontalAlignment.CENTER);
        style.setVerticalAlignment(VerticalAlignment.CENTER);
        // 设置背景
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        style.setFillForegroundColor(IndexedColors.GREY_25_PERCENT.getIndex());
        // 字体
        Font font = workbook.createFont();
        font.setFontHeightInPoints((short) 10);
        style.setFont(font);
        // 设置边框
        configCellBorder(style);
        return style;
    }


    /**
     * 配置数据单元格
     */
    private static CellStyle configDataCellStatic  (SXSSFWorkbook workbook ) {
        CellStyle  configDataCellStyle = workbook.createCellStyle();
        configDataCellStyle.setAlignment(HorizontalAlignment.CENTER);
        configDataCellStyle.setVerticalAlignment(VerticalAlignment.CENTER);
        // 设置背景
        configDataCellStyle.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        configDataCellStyle.setFillForegroundColor(IndexedColors.GREY_25_PERCENT.getIndex());
        // 字体
        Font font = workbook.createFont();
        font.setFontHeightInPoints((short) 10);

        configDataCellStyle.setFont(font);
        // 边框
        configCellBorder(configDataCellStyle);
        configDataCellStyle.setWrapText(true);

        return configDataCellStyle;
    }

}