From b8b58cb2029176d1472121ae397ee6c236b7b74f Mon Sep 17 00:00:00 2001
From: “ <hxq@qzldkj.com>
Date: 星期五, 22 七月 2022 10:57:00 +0800
Subject: [PATCH] 所有的覆写方法，必须加@Override注解
---
ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java | 116 ++++++++++++++++++++++++++++++++++++++++------------------
1 files changed, 80 insertions(+), 36 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 e868511..b8dedf8 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
@@ -22,6 +22,7 @@
import java.util.UUID;
import java.util.stream.Collectors;
import javax.servlet.http.HttpServletResponse;
+import org.apache.commons.lang3.ArrayUtils;
import org.apache.commons.lang3.RegExUtils;
import org.apache.poi.hssf.usermodel.HSSFClientAnchor;
import org.apache.poi.hssf.usermodel.HSSFPicture;
@@ -163,9 +164,25 @@
*/
public Class<T> clazz;
+ /**
+ * 需要排除列属性
+ */
+ public String[] excludeFields;
+
public ExcelUtil(Class<T> clazz)
{
this.clazz = clazz;
+ }
+
+ /**
+ * 隐藏Excel中列属性
+ *
+ * @param fields 列属性名 示例[单个"name"/多个"id","name"]
+ * @throws Exception
+ */
+ public void hideColumn(String... fields)
+ {
+ this.excludeFields = fields;
}
public void init(List<T> list, String sheetName, String title, Type type)
@@ -650,20 +667,6 @@
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();
@@ -672,24 +675,60 @@
style.setFont(totalFont);
styles.put("total", style);
- styles.putAll(annotationStyles(wb));
+ styles.putAll(annotationHeaderStyles(wb, styles));
+
+ styles.putAll(annotationDataStyles(wb));
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
* @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>();
for (Object[] os : fields)
{
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))
{
CellStyle style = wb.createCellStyle();
@@ -704,6 +743,8 @@
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);
@@ -725,7 +766,7 @@
// 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;
}
@@ -833,7 +874,7 @@
{
// 创建cell
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
Object value = getTargetValue(vo, field, attr);
@@ -1178,30 +1219,33 @@
tempFields.addAll(Arrays.asList(clazz.getDeclaredFields()));
for (Field field : tempFields)
{
- // 单注解
- if (field.isAnnotationPresent(Excel.class))
+ if (!ArrayUtils.contains(this.excludeFields, field.getName()))
{
- Excel attr = field.getAnnotation(Excel.class);
- if (attr != null && (attr.type() == Type.ALL || attr.type() == type))
+ // 单注解
+ if (field.isAnnotationPresent(Excel.class))
{
- field.setAccessible(true);
- fields.add(new Object[] { field, attr });
- }
- }
-
- // 多注解
- if (field.isAnnotationPresent(Excels.class))
- {
- Excels attrs = field.getAnnotation(Excels.class);
- Excel[] excels = attrs.value();
- for (Excel attr : excels)
- {
+ Excel attr = field.getAnnotation(Excel.class);
if (attr != null && (attr.type() == Type.ALL || attr.type() == type))
{
field.setAccessible(true);
fields.add(new Object[] { field, attr });
}
}
+
+ // 多注解
+ if (field.isAnnotationPresent(Excels.class))
+ {
+ Excels attrs = field.getAnnotation(Excels.class);
+ Excel[] excels = attrs.value();
+ for (Excel attr : excels)
+ {
+ if (attr != null && (attr.type() == Type.ALL || attr.type() == type))
+ {
+ field.setAccessible(true);
+ fields.add(new Object[] { field, attr });
+ }
+ }
+ }
}
}
return fields;
--
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