refactor: 目录结构优化

src/main/java/com/youlai/boot/common/util/ExcelUtils.java

@@ -0,0 +1,20 @@
+package com.youlai.boot.common.util;
+
+import com.alibaba.excel.EasyExcel;
+import com.youlai.boot.common.base.BaseAnalysisEventListener;
+
+import java.io.InputStream;
+
+/**
+ * Excel 工具类
+ *
+ * @author haoxr
+ * @since 2023/03/01
+ */
+public class ExcelUtils {
+
+    public static <T> String importExcel(InputStream is, Class clazz, BaseAnalysisEventListener<T> listener) {
+        EasyExcel.read(is, clazz, listener).sheet().doRead();
+        return listener.getMsg();
+    }
+}