From 1f0e742710af7917ecde23a761acd7c28ea3dd53 Mon Sep 17 00:00:00 2001
From: RuoYi <yzz_ivy@163.com>
Date: 星期三, 20 七月 2022 09:39:58 +0800
Subject: [PATCH] Excel注解支持backgroundColor属性设置背景色
---
ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java | 106 ++++++++++++++++++++++++++++++++++++++--------------
1 files changed, 77 insertions(+), 29 deletions(-)
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 e008838..724f69c 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
@@ -650,20 +650,6 @@
styles.put("data", style);
style = wb.createCellStyle();
- style.cloneStyleFrom(styles.get("data"));
- style.setAlignment(HorizontalAlignment.CENTER);
- style.setVerticalAlignment(VerticalAlignment.CENTER);
- style.setFillForegroundColor(IndexedColors.GREY_50_PERCENT.getIndex());
- style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
- Font headerFont = wb.createFont();
- headerFont.setFontName("Arial");
- headerFont.setFontHeightInPoints((short) 10);
- headerFont.setBold(true);
- 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();
@@ -672,21 +658,84 @@
style.setFont(totalFont);
styles.put("total", style);
- style = wb.createCellStyle();
- style.cloneStyleFrom(styles.get("data"));
- style.setAlignment(HorizontalAlignment.LEFT);
- styles.put("data1", style);
+ styles.putAll(annotationHeaderStyles(wb, styles));
- style = wb.createCellStyle();
- style.cloneStyleFrom(styles.get("data"));
- style.setAlignment(HorizontalAlignment.CENTER);
- styles.put("data2", style);
+ styles.putAll(annotationDataStyles(wb));
- style = wb.createCellStyle();
- style.cloneStyleFrom(styles.get("data"));
- style.setAlignment(HorizontalAlignment.RIGHT);
- styles.put("data3", style);
+ return styles;
+ }
+ /**
+ * 根据Excel注解创建表格头样式
+ *
+ * @param wb 工作薄对象
+ * @return 自定义样式列表
+ */
+ private Map<String, CellStyle> annotationHeaderStyles(Workbook wb, Map<String, CellStyle> styles)
+ {
+ Map<String, CellStyle> headerStyles = new HashMap<String, CellStyle>();
+ for (Object[] os : fields)
+ {
+ Excel excel = (Excel) os[1];
+ String key = StringUtils.format("header_{}_{}", excel.headerColor(), excel.headerBackgroundColor());
+ if (!headerStyles.containsKey(key))
+ {
+ CellStyle style = wb.createCellStyle();
+ style = wb.createCellStyle();
+ style.cloneStyleFrom(styles.get("data"));
+ style.setAlignment(HorizontalAlignment.CENTER);
+ style.setVerticalAlignment(VerticalAlignment.CENTER);
+ style.setFillForegroundColor(excel.headerBackgroundColor().index);
+ style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
+ Font headerFont = wb.createFont();
+ headerFont.setFontName("Arial");
+ headerFont.setFontHeightInPoints((short) 10);
+ headerFont.setBold(true);
+ headerFont.setColor(excel.headerColor().index);
+ style.setFont(headerFont);
+ headerStyles.put(key, style);
+ }
+ }
+ return headerStyles;
+ }
+
+ /**
+ * 根据Excel注解创建表格列样式
+ *
+ * @param wb 工作薄对象
+ * @return 自定义样式列表
+ */
+ private Map<String, CellStyle> annotationDataStyles(Workbook wb)
+ {
+ Map<String, CellStyle> styles = new HashMap<String, CellStyle>();
+ for (Object[] os : fields)
+ {
+ Excel excel = (Excel) os[1];
+ String key = StringUtils.format("data_{}_{}_{}", excel.align(), excel.color(), excel.backgroundColor());
+ if (!styles.containsKey(key))
+ {
+ CellStyle style = wb.createCellStyle();
+ style = wb.createCellStyle();
+ style.setAlignment(excel.align());
+ style.setVerticalAlignment(VerticalAlignment.CENTER);
+ style.setBorderRight(BorderStyle.THIN);
+ style.setRightBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
+ style.setBorderLeft(BorderStyle.THIN);
+ style.setLeftBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
+ style.setBorderTop(BorderStyle.THIN);
+ style.setTopBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
+ style.setBorderBottom(BorderStyle.THIN);
+ style.setBottomBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
+ style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
+ style.setFillForegroundColor(excel.backgroundColor().getIndex());
+ Font dataFont = wb.createFont();
+ dataFont.setFontName("Arial");
+ dataFont.setFontHeightInPoints((short) 10);
+ dataFont.setColor(excel.color().index);
+ style.setFont(dataFont);
+ styles.put(key, style);
+ }
+ }
return styles;
}
@@ -700,7 +749,7 @@
// 写入列信息
cell.setCellValue(attr.name());
setDataValidation(attr, row, column);
- cell.setCellStyle(styles.get("header"));
+ cell.setCellStyle(styles.get(StringUtils.format("header_{}_{}", attr.headerColor(), attr.headerBackgroundColor())));
return cell;
}
@@ -808,8 +857,7 @@
{
// 创建cell
cell = row.createCell(column);
- int align = attr.align().value();
- cell.setCellStyle(styles.get("data" + (align >= 1 && align <= 3 ? align : "")));
+ cell.setCellStyle(styles.get(StringUtils.format("data_{}_{}_{}", attr.align(), attr.color(), attr.backgroundColor())));
// 用于读取对象中的属性
Object value = getTargetValue(vo, field, attr);
--
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