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

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+package com.ruoyi.common.annotation;
+
+import com.ruoyi.common.excel.CellMergeStrategy;
+
+import java.lang.annotation.*;
+
+/**
+ * excel 列单元格合并(合并列相同项)
+ *
+ * 需搭配 {@link CellMergeStrategy} 策略使用
+ *
+ * @author Lion Li
+ */
+@Target(ElementType.FIELD)
+@Retention(RetentionPolicy.RUNTIME)
+@Inherited
+public @interface CellMerge {
+
+	/**
+	 * col index
+	 */
+	int index() default -1;
+
+}