From bf771ae5c8a0b76015f4d8bc60729231559f9090 Mon Sep 17 00:00:00 2001 From: RuoYi Date: Wed, 26 Aug 2020 11:37:49 +0800 Subject: [PATCH] =?UTF-8?q?Excel=E6=B3=A8=E8=A7=A3=E6=94=AF=E6=8C=81?= =?UTF-8?q?=E8=87=AA=E5=8A=A8=E7=BB=9F=E8=AE=A1=E6=95=B0=E6=8D=AE=E6=80=BB?= =?UTF-8?q?=E5=92=8C?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .../com/ruoyi/common/annotation/Excel.java | 5 ++ .../com/ruoyi/common/utils/poi/ExcelUtil.java | 69 +++++++++++++++++++ 2 files changed, 74 insertions(+) diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/annotation/Excel.java b/ruoyi-common/src/main/java/com/ruoyi/common/annotation/Excel.java index f781b1e3..b7b8f979 100644 --- a/ruoyi-common/src/main/java/com/ruoyi/common/annotation/Excel.java +++ b/ruoyi-common/src/main/java/com/ruoyi/common/annotation/Excel.java @@ -100,6 +100,11 @@ 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/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java b/ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java index d5a23b15..d0775fc5 100644 --- a/ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java +++ b/ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java @@ -16,6 +16,7 @@ import java.util.Date; 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; @@ -103,6 +104,16 @@ 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 */ @@ -342,6 +353,7 @@ public class ExcelUtil if (Type.EXPORT.equals(type)) { fillExcelData(index, row); + addStatisticsRow(); } } String filename = encodingFilename(sheetName); @@ -448,6 +460,15 @@ 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; } @@ -560,6 +581,7 @@ public class ExcelUtil // 设置列类型 setCellVo(value, attr, cell); } + addStatisticsData(column, Convert.toStr(value), attr); } } catch (Exception e) @@ -726,6 +748,53 @@ public class ExcelUtil return DictUtils.getDictValue(dictType, dictLabel, 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(); + } + } + /** * 编码文件名 */