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Excel注解支持backgroundColor属性设置背景色

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This commit is contained in:
RuoYi 2022-07-20 09:39:58 +08:00
parent 28b9fbb4d2
commit 1f0e742710
2 changed files with 60 additions and 21 deletions
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17
ruoyi-common/src/main/java/com/ruoyi/common/annotation/Excel.java
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@ -109,7 +109,22 @@ public @interface Excel
public ColumnType cellType() default ColumnType.STRING; public ColumnType cellType() default ColumnType.STRING;
/** /**
* 导出字体颜色 * 导出列头背景色
*/
public IndexedColors headerBackgroundColor() default IndexedColors.GREY_50_PERCENT;
/**
* 导出列头字体颜色
*/
public IndexedColors headerColor() default IndexedColors.WHITE;
/**
* 导出单元格背景色
*/
public IndexedColors backgroundColor() default IndexedColors.WHITE;
/**
* 导出单元格字体颜色
*/ */
public IndexedColors color() default IndexedColors.BLACK; public IndexedColors color() default IndexedColors.BLACK;

64
ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
View File

@ -649,20 +649,6 @@ public class ExcelUtil<T>
style.setFont(dataFont); style.setFont(dataFont);
styles.put("data", style); 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 = wb.createCellStyle();
style.setAlignment(HorizontalAlignment.CENTER); style.setAlignment(HorizontalAlignment.CENTER);
style.setVerticalAlignment(VerticalAlignment.CENTER); style.setVerticalAlignment(VerticalAlignment.CENTER);
@ -672,24 +658,60 @@ public class ExcelUtil<T>
style.setFont(totalFont); style.setFont(totalFont);
styles.put("total", style); styles.put("total", style);
styles.putAll(annotationStyles(wb)); styles.putAll(annotationHeaderStyles(wb, styles));
styles.putAll(annotationDataStyles(wb));
return styles; return styles;
} }
/** /**
* 根据Excel注解创建表格样式 * 根据Excel注解创建表格头样式
* *
* @param wb 工作薄对象 * @param wb 工作薄对象
* @return 自定义样式列表 * @return 自定义样式列表
*/ */
private Map<String, CellStyle> annotationStyles(Workbook wb) 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>(); Map<String, CellStyle> styles = new HashMap<String, CellStyle>();
for (Object[] os : fields) for (Object[] os : fields)
{ {
Excel excel = (Excel) os[1]; Excel excel = (Excel) os[1];
String key = "data_" + excel.align() + "_" + excel.color(); String key = StringUtils.format("data_{}_{}_{}", excel.align(), excel.color(), excel.backgroundColor());
if (!styles.containsKey(key)) if (!styles.containsKey(key))
{ {
CellStyle style = wb.createCellStyle(); CellStyle style = wb.createCellStyle();
@ -704,6 +726,8 @@ public class ExcelUtil<T>
style.setTopBorderColor(IndexedColors.GREY_50_PERCENT.getIndex()); style.setTopBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
style.setBorderBottom(BorderStyle.THIN); style.setBorderBottom(BorderStyle.THIN);
style.setBottomBorderColor(IndexedColors.GREY_50_PERCENT.getIndex()); style.setBottomBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
style.setFillForegroundColor(excel.backgroundColor().getIndex());
Font dataFont = wb.createFont(); Font dataFont = wb.createFont();
dataFont.setFontName("Arial"); dataFont.setFontName("Arial");
dataFont.setFontHeightInPoints((short) 10); dataFont.setFontHeightInPoints((short) 10);
@ -725,7 +749,7 @@ public class ExcelUtil<T>
// 写入列信息 // 写入列信息
cell.setCellValue(attr.name()); cell.setCellValue(attr.name());
setDataValidation(attr, row, column); setDataValidation(attr, row, column);
cell.setCellStyle(styles.get("header")); cell.setCellStyle(styles.get(StringUtils.format("header_{}_{}", attr.headerColor(), attr.headerBackgroundColor())));
return cell; return cell;
} }
@ -833,7 +857,7 @@ public class ExcelUtil<T>
{ {
// 创建cell // 创建cell
cell = row.createCell(column); cell = row.createCell(column);
cell.setCellStyle(styles.get("data_" + attr.align() + "_" + attr.color())); cell.setCellStyle(styles.get(StringUtils.format("data_{}_{}_{}", attr.align(), attr.color(), attr.backgroundColor())));
// 用于读取对象中的属性 // 用于读取对象中的属性
Object value = getTargetValue(vo, field, attr); Object value = getTargetValue(vo, field, attr);