diff --git a/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/annotation/Excel.java b/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/annotation/Excel.java index fc603317..61014578 100644 --- a/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/annotation/Excel.java +++ b/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/annotation/Excel.java @@ -95,6 +95,11 @@ public @interface Excel */ 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) */ diff --git a/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/poi/ExcelUtil.java b/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/poi/ExcelUtil.java index 0ca07f09..afb965f0 100644 --- a/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/poi/ExcelUtil.java +++ b/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/poi/ExcelUtil.java @@ -14,6 +14,7 @@ import java.util.Date; import java.util.HashMap; import java.util.List; import java.util.Map; +import java.util.Set; import java.util.stream.Collectors; import javax.servlet.http.HttpServletResponse; import org.apache.poi.hssf.usermodel.HSSFDateUtil; @@ -97,6 +98,16 @@ public class ExcelUtil */ private List fields; + /** + * 统计列表 + */ + private Map statistics = new HashMap(); + + /** + * 数字格式 + */ + private static final DecimalFormat DOUBLE_FORMAT = new DecimalFormat("######0.00"); + /** * 实体对象 */ @@ -337,6 +348,7 @@ public class ExcelUtil if (Type.EXPORT.equals(type)) { fillExcelData(index, row); + addStatisticsRow(); } } wb.write(outputStream); @@ -439,6 +451,15 @@ public class ExcelUtil 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; } @@ -546,6 +567,7 @@ public class ExcelUtil // 设置列类型 setCellVo(value, attr, cell); } + addStatisticsData(column, Convert.toStr(value), attr); } } catch (Exception e) @@ -686,6 +708,53 @@ public class ExcelUtil return StringUtils.stripEnd(propertyString.toString(), separator); } + /** + * 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 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(); + } + } + /** * 获取bean中的属性值 *