Excel支持sort导出排序

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

@@ -14,6 +14,11 @@ import java.lang.annotation.Target;
 @Target(ElementType.FIELD)
 public @interface Excel
 {
+    /**
+     * 导出时在excel中排序
+     */
+    public int sort() default Integer.MAX_VALUE;
+
     /**
      * 导出到Excel中的名字.
      */

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

@@ -11,11 +11,13 @@ import java.math.BigDecimal;
 import java.text.DecimalFormat;
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.Comparator;
 import java.util.Date;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.UUID;
+import java.util.stream.Collectors;
 import org.apache.poi.hssf.usermodel.HSSFDateUtil;
 import org.apache.poi.ss.usermodel.BorderStyle;
 import org.apache.poi.ss.usermodel.Cell;
@@ -844,6 +846,7 @@ public class ExcelUtil<T>
                 }
             }
         }
+        this.fields = this.fields.stream().sorted(Comparator.comparing(objects -> ((Excel) objects[1]).sort())).collect(Collectors.toList());
     }
 
     /**