Excel注解支持color字体颜色

ruoyi-common/src/main/java/com/ruoyi/common/annotation/Excel.java

@@ -5,6 +5,8 @@ import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 import java.math.BigDecimal;
+import org.apache.poi.ss.usermodel.HorizontalAlignment;
+import org.apache.poi.ss.usermodel.IndexedColors;
 import com.ruoyi.common.utils.poi.ExcelHandlerAdapter;
 
 /**
@@ -56,11 +58,6 @@ public @interface Excel
      */
     public int roundingMode() default BigDecimal.ROUND_HALF_EVEN;
 
-    /**
-     * 导出类型（0数字 1字符串）
-     */
-    public ColumnType cellType() default ColumnType.STRING;
-
     /**
      * 导出时在excel中每个列的高度 单位为字符
      */
@@ -105,11 +102,21 @@ public @interface Excel
      * 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;
+    
+    /**
+     * 导出类型（0数字 1字符串）
+     */
+    public ColumnType cellType() default ColumnType.STRING;
+    
+    /**
+     * 导出字体颜色
+     */
+    public IndexedColors color() default IndexedColors.BLACK;
 
     /**
-     * 导出字段对齐方式（0：默认；1：靠左；2：居中；3：靠右）
+     * 导出字段对齐方式
      */
-    public Align align() default Align.AUTO;
+    public HorizontalAlignment align() default HorizontalAlignment.CENTER;
 
     /**
      * 自定义数据处理器
@@ -121,22 +128,6 @@ public @interface Excel
      */
     public String[] args() default {};
 
-    public enum Align
-    {
-        AUTO(0), LEFT(1), CENTER(2), RIGHT(3);
-        private final int value;
-
-        Align(int value)
-        {
-            this.value = value;
-        }
-
-        public int value()
-        {
-            return this.value;
-        }
-    }
-
     /**
      * 字段类型（0：导出导入；1：仅导出；2：仅导入）
      */

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

@@ -672,21 +672,6 @@ public class ExcelUtil<T>
         style.setFont(totalFont);
         styles.put("total", style);
 
-        style = wb.createCellStyle();
-        style.cloneStyleFrom(styles.get("data"));
-        style.setAlignment(HorizontalAlignment.LEFT);
-        styles.put("data1", style);
-
-        style = wb.createCellStyle();
-        style.cloneStyleFrom(styles.get("data"));
-        style.setAlignment(HorizontalAlignment.CENTER);
-        styles.put("data2", style);
-
-        style = wb.createCellStyle();
-        style.cloneStyleFrom(styles.get("data"));
-        style.setAlignment(HorizontalAlignment.RIGHT);
-        styles.put("data3", style);
-
         return styles;
     }
 
@@ -808,8 +793,7 @@ public class ExcelUtil<T>
             {
                 // 创建cell
                 cell = row.createCell(column);
-                int align = attr.align().value();
-                cell.setCellStyle(styles.get("data" + (align >= 1 && align <= 3 ? align : "")));
+                setDataCell(cell, attr);
 
                 // 用于读取对象中的属性
                 Object value = getTargetValue(vo, field, attr);
@@ -852,6 +836,34 @@ 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
      *