RuoYi
2020-08-26 215952da7a3b78d02d5ec83f1f69974f43dab813
Excel注解支持自动统计数据总和
已修改2个文件
74 ■■■■■ 文件已修改
src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java 69 ●●●●● 补丁 | 查看 | 原始文档 | blame | 历史
src/main/java/com/ruoyi/framework/aspectj/lang/annotation/Excel.java 5 ●●●●● 补丁 | 查看 | 原始文档 | blame | 历史
src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
@@ -16,6 +16,7 @@
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.UUID;
import java.util.stream.Collectors;
import org.apache.poi.hssf.usermodel.HSSFDateUtil;
@@ -102,6 +103,16 @@
     * 注解列表
     */
    private List<Object[]> fields;
    /**
     * 统计列表
     */
    private Map<Integer, Double> statistics = new HashMap<Integer, Double>();
    /**
     * 数字格式
     */
    private static final DecimalFormat DOUBLE_FORMAT = new DecimalFormat("######0.00");
    /**
     * 实体对象
@@ -342,6 +353,7 @@
                if (Type.EXPORT.equals(type))
                {
                    fillExcelData(index, row);
                    addStatisticsRow();
                }
            }
            String filename = encodingFilename(sheetName);
@@ -448,6 +460,15 @@
        headerFont.setColor(IndexedColors.WHITE.getIndex());
        style.setFont(headerFont);
        styles.put("header", style);
        style = wb.createCellStyle();
        style.setAlignment(HorizontalAlignment.CENTER);
        style.setVerticalAlignment(VerticalAlignment.CENTER);
        Font totalFont = wb.createFont();
        totalFont.setFontName("Arial");
        totalFont.setFontHeightInPoints((short) 10);
        style.setFont(totalFont);
        styles.put("total", style);
        return styles;
    }
@@ -560,6 +581,7 @@
                    // 设置列类型
                    setCellVo(value, attr, cell);
                }
                addStatisticsData(column, Convert.toStr(value), attr);
            }
        }
        catch (Exception e)
@@ -727,6 +749,53 @@
    }
    /**
     * 合计统计信息
     */
    private void addStatisticsData(Integer index, String text, Excel entity)
    {
        if (entity != null && entity.isStatistics())
        {
            Double temp = 0D;
            if (!statistics.containsKey(index))
            {
                statistics.put(index, temp);
            }
            try
            {
                temp = Double.valueOf(text);
            }
            catch (NumberFormatException e)
            {
            }
            statistics.put(index, statistics.get(index) + temp);
        }
    }
    /**
     * 创建统计行
     */
    public void addStatisticsRow()
    {
        if (statistics.size() > 0)
        {
            Cell cell = null;
            Row row = sheet.createRow(sheet.getLastRowNum() + 1);
            Set<Integer> keys = statistics.keySet();
            cell = row.createCell(0);
            cell.setCellStyle(styles.get("total"));
            cell.setCellValue("合计");
            for (Integer key : keys)
            {
                cell = row.createCell(key);
                cell.setCellStyle(styles.get("total"));
                cell.setCellValue(DOUBLE_FORMAT.format(statistics.get(key)));
            }
            statistics.clear();
        }
    }
    /**
     * 编码文件名
     */
    public String encodingFilename(String filename)
src/main/java/com/ruoyi/framework/aspectj/lang/annotation/Excel.java
@@ -101,6 +101,11 @@
    public String targetAttr() default "";
    /**
     * 是否自动统计数据,在最后追加一行统计数据总和
     */
    public boolean isStatistics() default false;
    /**
     * 字段类型(0:导出导入;1:仅导出;2:仅导入)
     */
    Type type() default Type.ALL;