first commit

play-admin/src/main/java/com/starry/admin/utils/ExcelUtils.java

@@ -0,0 +1,26 @@
+package com.starry.admin.utils;
+
+import com.alibaba.excel.EasyExcel;
+
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.List;
+
+/**
+ * @author admin
+ */
+public class ExcelUtils {
+
+    public static List<?> importEasyExcel(InputStream is, Class<?> pojoClass) {
+        return EasyExcel.read(is).head(pojoClass).sheet().doReadSync();
+    }
+
+    public static void exportEasyExcel(HttpServletResponse response, Class<?> pojoClass, List<?> list, String sheetName) {
+        try {
+            EasyExcel.write(response.getOutputStream(), pojoClass).sheet(sheetName).doWrite(list);
+        } catch (IOException e) {
+            throw new RuntimeException(e.getMessage());
+        }
+    }
+}