优化excel创建表格样式

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

@@ -672,6 +672,46 @@ public class ExcelUtil<T>
         style.setFont(totalFont);
         styles.put("total", style);
 
+        styles.putAll(annotationStyles(wb));
+
+        return styles;
+    }
+
+    /**
+     * 根据Excel注解创建表格样式
+     * 
+     * @param wb 工作薄对象
+     * @return 自定义样式列表
+     */
+    private Map<String, CellStyle> annotationStyles(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();
+            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());
+                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;
     }
 
@@ -793,7 +833,7 @@ public class ExcelUtil<T>
             {
                 // 创建cell
                 cell = row.createCell(column);
-                setDataCell(cell, attr);
+                cell.setCellStyle(styles.get("data_" + attr.align() + "_" + attr.color()));
 
                 // 用于读取对象中的属性
                 Object value = getTargetValue(vo, field, attr);
@@ -836,34 +876,6 @@ public class ExcelUtil<T>
         return cell;
     }
 
-    /**
-     * 设置单元格样式
-     * 
-     * @param cell 单元格
-     * @param excel 注解信息
-     */
-    public void setDataCell(Cell cell, Excel excel)
-    {
-        CellStyle style = wb.createCellStyle();
-        style.setAlignment(HorizontalAlignment.CENTER);
-        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.setAlignment(excel.align());
-        Font dataFont = wb.createFont();
-        dataFont.setFontName("Arial");
-        dataFont.setFontHeightInPoints((short) 10);
-        dataFont.setColor(excel.color().index);
-        style.setFont(dataFont);
-        cell.setCellStyle(style);
-    }
-
     /**
      * 设置 POI XSSFSheet 单元格提示或选择框
      *