新增流程图

2020-12-31 14:29:07 +08:00 · 2020-12-31 14:29:07 +08:00 · 3948ea1665
parent d7a1af6d84
commit 3948ea1665
1 changed files with 48 additions and 0 deletions
--- a/snow-common/src/main/java/com/snow/common/utils/poi/EasyExcelUtil.java
+++ b/snow-common/src/main/java/com/snow/common/utils/poi/EasyExcelUtil.java
@ -0,0 +1,48 @@
+package com.snow.common.utils.poi;
+
+import com.alibaba.excel.EasyExcel;
+import com.alibaba.excel.ExcelWriter;
+import com.alibaba.excel.support.ExcelTypeEnum;
+import com.alibaba.excel.write.builder.ExcelWriterBuilder;
+import com.alibaba.excel.write.builder.ExcelWriterSheetBuilder;
+import com.alibaba.excel.write.metadata.WriteSheet;
+import com.alibaba.excel.write.style.HorizontalCellStyleStrategy;
+import com.snow.common.annotation.Excel;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.collections.CollectionUtils;
+import org.apache.commons.lang3.StringUtils;
+import org.springframework.web.multipart.MultipartFile;
+
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.net.URLEncoder;
+import java.util.List;
+/**
+ * @author qimingjin
+ * @Title: easyExcel 实体类
+ * @Description:
+ * @date 2020/12/31 14:06
+ */
+@Slf4j
+public class EasyExcelUtil {
+
+    private static OutputStream getOutputStream(HttpServletResponse response,
+                                                String fileName,
+                                                ExcelTypeEnum excelTypeEnum) throws IOException {
+        try {
+            String finalFileName = URLEncoder.encode((fileName + System.currentTimeMillis() + excelTypeEnum.getValue()), "UTF-8");
+            response.setHeader("Access-Control-Expose-Headers", "Content-Disposition");
+            response.setHeader("Cache-Control", "no-cache, no-store, must-revalidate");
+            response.setHeader("Pragma", "no-cache");
+            response.setHeader("Expires", "0");
+            response.setHeader("Content-Disposition", "attachment;filename=" + finalFileName);
+            response.setCharacterEncoding("UTF-8");
+            response.setContentType("application/vnd.ms-excel;charset=UTF-8");
+            return response.getOutputStream();
+        } catch (IOException e) {
+            log.error("获取输出流异常：", e);
+            throw e;
+        }
+    }
+}