From a246cd044eb71f2b430821f04b19ddfe1665fecc Mon Sep 17 00:00:00 2001
From: 疯狂的狮子li <15040126243@163.com>
Date: 星期一, 06 六月 2022 15:16:07 +0800
Subject: [PATCH] add 增加 ExcelUtil 模板导出方法 支持 单列表/多列表
---
ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java | 96 ++++++++++++++++++++++++++++++++++++++++++++++--
1 files changed, 92 insertions(+), 4 deletions(-)
diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java b/ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
index a45fc2d..e6a67b2 100644
--- a/ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
+++ b/ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
@@ -1,8 +1,14 @@
package com.ruoyi.common.utils.poi;
+import cn.hutool.core.collection.CollUtil;
+import cn.hutool.core.io.resource.ClassPathResource;
import cn.hutool.core.util.IdUtil;
import com.alibaba.excel.EasyExcel;
+import com.alibaba.excel.ExcelWriter;
import com.alibaba.excel.write.builder.ExcelWriterSheetBuilder;
+import com.alibaba.excel.write.metadata.WriteSheet;
+import com.alibaba.excel.write.metadata.fill.FillConfig;
+import com.alibaba.excel.write.metadata.fill.FillWrapper;
import com.alibaba.excel.write.style.column.LongestMatchColumnWidthStyleStrategy;
import com.ruoyi.common.convert.ExcelBigNumberConvert;
import com.ruoyi.common.excel.CellMergeStrategy;
@@ -18,7 +24,10 @@
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.InputStream;
+import java.io.UnsupportedEncodingException;
+import java.util.Collection;
import java.util.List;
+import java.util.Map;
/**
* Excel鐩稿叧澶勭悊
@@ -89,10 +98,7 @@
*/
public static <T> void exportExcel(List<T> list, String sheetName, Class<T> clazz, boolean merge, HttpServletResponse response) {
try {
- String filename = encodingFilename(sheetName);
- response.reset();
- FileUtils.setAttachmentResponseHeader(response, filename);
- response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet;charset=UTF-8");
+ resetResponse(sheetName, response);
ServletOutputStream os = response.getOutputStream();
ExcelWriterSheetBuilder builder = EasyExcel.write(os, clazz)
.autoCloseStream(false)
@@ -112,6 +118,88 @@
}
/**
+ * 鍗曡〃澶氭暟鎹ā鏉垮鍑� 妯℃澘鏍煎紡涓� {.灞炴�
+ *
+ * @param filename 鏂囦欢鍚�
+ * @param templatePath 妯℃澘璺緞 resource 鐩綍涓嬬殑璺緞鍖呮嫭妯℃澘鏂囦欢鍚�
+ * 渚嬪: excel/temp.xlsx
+ * 閲嶇偣: 妯℃澘鏂囦欢蹇呴』鏀剧疆鍒板惎鍔ㄧ被瀵瑰簲鐨� resource 鐩綍涓�
+ * @param data 妯℃澘闇�瑕佺殑鏁版嵁
+ */
+ public static void exportTemplate(List<Object> data, String filename, String templatePath, HttpServletResponse response) {
+ try {
+ resetResponse(filename, response);
+ ClassPathResource templateResource = new ClassPathResource(templatePath);
+ ExcelWriter excelWriter = EasyExcel.write(response.getOutputStream())
+ .withTemplate(templateResource.getStream())
+ .autoCloseStream(false)
+ // 澶ф暟鍊艰嚜鍔ㄨ浆鎹� 闃叉澶辩湡
+ .registerConverter(new ExcelBigNumberConvert())
+ .build();
+ WriteSheet writeSheet = EasyExcel.writerSheet().build();
+ if (CollUtil.isEmpty(data)) {
+ throw new IllegalArgumentException("鏁版嵁涓虹┖");
+ }
+ // 鍗曡〃澶氭暟鎹鍑� 妯℃澘鏍煎紡涓� {.灞炴�
+ for (Object d : data) {
+ excelWriter.fill(d, writeSheet);
+ }
+ excelWriter.finish();
+ } catch (IOException e) {
+ throw new RuntimeException("瀵煎嚭Excel寮傚父");
+ }
+ }
+
+ /**
+ * 澶氳〃澶氭暟鎹ā鏉垮鍑� 妯℃澘鏍煎紡涓� {key.灞炴�
+ *
+ * @param filename 鏂囦欢鍚�
+ * @param templatePath 妯℃澘璺緞 resource 鐩綍涓嬬殑璺緞鍖呮嫭妯℃澘鏂囦欢鍚�
+ * 渚嬪: excel/temp.xlsx
+ * 閲嶇偣: 妯℃澘鏂囦欢蹇呴』鏀剧疆鍒板惎鍔ㄧ被瀵瑰簲鐨� resource 鐩綍涓�
+ * @param data 妯℃澘闇�瑕佺殑鏁版嵁
+ */
+ public static void exportTemplateMultiList(Map<String, Object> data, String filename, String templatePath, HttpServletResponse response) {
+ try {
+ resetResponse(filename, response);
+ ClassPathResource templateResource = new ClassPathResource(templatePath);
+ ExcelWriter excelWriter = EasyExcel.write(response.getOutputStream())
+ .withTemplate(templateResource.getStream())
+ .autoCloseStream(false)
+ // 澶ф暟鍊艰嚜鍔ㄨ浆鎹� 闃叉澶辩湡
+ .registerConverter(new ExcelBigNumberConvert())
+ .build();
+ WriteSheet writeSheet = EasyExcel.writerSheet().build();
+ if (CollUtil.isEmpty(data)) {
+ throw new IllegalArgumentException("鏁版嵁涓虹┖");
+ }
+ for (Map.Entry<String, Object> map : data.entrySet()) {
+ // 璁剧疆鍒楄〃鍚庣画杩樻湁鏁版嵁
+ FillConfig fillConfig = FillConfig.builder().forceNewRow(Boolean.TRUE).build();
+ if (map.getValue() instanceof Collection) {
+ // 澶氳〃瀵煎嚭蹇呴』浣跨敤 FillWrapper
+ excelWriter.fill(new FillWrapper(map.getKey(), (Collection<?>) map.getValue()), fillConfig, writeSheet);
+ } else {
+ excelWriter.fill(map.getValue(), writeSheet);
+ }
+ }
+ excelWriter.finish();
+ } catch (IOException e) {
+ throw new RuntimeException("瀵煎嚭Excel寮傚父");
+ }
+ }
+
+ /**
+ * 閲嶇疆鍝嶅簲浣�
+ */
+ private static void resetResponse(String sheetName, HttpServletResponse response) throws UnsupportedEncodingException {
+ String filename = encodingFilename(sheetName);
+ response.reset();
+ FileUtils.setAttachmentResponseHeader(response, filename);
+ response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet;charset=UTF-8");
+ }
+
+ /**
* 瑙ｆ瀽瀵煎嚭鍊� 0=鐢�,1=濂�,2=鏈煡
*
* @param propertyValue 鍙傛暟鍊�
--
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