From 34396de03a38fbda0caa8f4afcc55fdae4c9b4e7 Mon Sep 17 00:00:00 2001
From: 疯狂的狮子li <15040126243@163.com>
Date: 星期二, 31 五月 2022 13:37:16 +0800
Subject: [PATCH] update 优化 ExcelUtil 工具支持合并处理器
---
ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java | 40 ++++++++++++++++++++++++++++++++--------
1 files changed, 32 insertions(+), 8 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 6168a96..a45fc2d 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
@@ -2,13 +2,17 @@
import cn.hutool.core.util.IdUtil;
import com.alibaba.excel.EasyExcel;
+import com.alibaba.excel.write.builder.ExcelWriterSheetBuilder;
import com.alibaba.excel.write.style.column.LongestMatchColumnWidthStyleStrategy;
import com.ruoyi.common.convert.ExcelBigNumberConvert;
+import com.ruoyi.common.excel.CellMergeStrategy;
import com.ruoyi.common.excel.DefaultExcelListener;
import com.ruoyi.common.excel.ExcelListener;
import com.ruoyi.common.excel.ExcelResult;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.common.utils.file.FileUtils;
+import lombok.AccessLevel;
+import lombok.NoArgsConstructor;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletResponse;
@@ -21,10 +25,11 @@
*
* @author Lion Li
*/
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
public class ExcelUtil {
/**
- * 鍚屾瀵煎叆
+ * 鍚屾瀵煎叆(閫傜敤浜庡皬鏁版嵁閲�)
*
* @param is 杈撳叆娴�
* @return 杞崲鍚庨泦鍚�
@@ -35,7 +40,7 @@
/**
- * 浣跨敤鏍￠獙鐩戝惉鍣ㄥ鐞嗗鍏�
+ * 浣跨敤鏍￠獙鐩戝惉鍣� 寮傛瀵煎叆 鍚屾杩斿洖
*
* @param is 杈撳叆娴�
* @param clazz 瀵硅薄绫诲瀷
@@ -49,7 +54,7 @@
}
/**
- * 浣跨敤鑷畾涔夌洃鍚櫒瀵煎叆
+ * 浣跨敤鑷畾涔夌洃鍚櫒 寮傛瀵煎叆 鑷畾涔夎繑鍥�
*
* @param is 杈撳叆娴�
* @param clazz 瀵硅薄绫诲瀷
@@ -66,22 +71,41 @@
*
* @param list 瀵煎嚭鏁版嵁闆嗗悎
* @param sheetName 宸ヤ綔琛ㄧ殑鍚嶇О
- * @return 缁撴灉
+ * @param clazz 瀹炰綋绫�
+ * @param response 鍝嶅簲浣�
*/
public static <T> void exportExcel(List<T> list, String sheetName, Class<T> clazz, HttpServletResponse response) {
+ exportExcel(list, sheetName, clazz, false, response);
+ }
+
+ /**
+ * 瀵煎嚭excel
+ *
+ * @param list 瀵煎嚭鏁版嵁闆嗗悎
+ * @param sheetName 宸ヤ綔琛ㄧ殑鍚嶇О
+ * @param clazz 瀹炰綋绫�
+ * @param merge 鏄惁鍚堝苟鍗曞厓鏍�
+ * @param response 鍝嶅簲浣�
+ */
+ 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");
ServletOutputStream os = response.getOutputStream();
- EasyExcel.write(os, clazz)
+ ExcelWriterSheetBuilder builder = EasyExcel.write(os, clazz)
.autoCloseStream(false)
// 鑷姩閫傞厤
.registerWriteHandler(new LongestMatchColumnWidthStyleStrategy())
// 澶ф暟鍊艰嚜鍔ㄨ浆鎹� 闃叉澶辩湡
.registerConverter(new ExcelBigNumberConvert())
- .sheet(sheetName).doWrite(list);
+ .sheet(sheetName);
+ if (merge) {
+ // 鍚堝苟澶勭悊鍣�
+ builder.registerWriteHandler(new CellMergeStrategy(list, true));
+ }
+ builder.doWrite(list);
} catch (IOException e) {
throw new RuntimeException("瀵煎嚭Excel寮傚父");
}
@@ -100,7 +124,7 @@
String[] convertSource = converterExp.split(",");
for (String item : convertSource) {
String[] itemArray = item.split("=");
- if (StringUtils.containsAny(separator, propertyValue)) {
+ if (StringUtils.containsAny(propertyValue, separator)) {
for (String value : propertyValue.split(separator)) {
if (itemArray[0].equals(value)) {
propertyString.append(itemArray[1] + separator);
@@ -129,7 +153,7 @@
String[] convertSource = converterExp.split(",");
for (String item : convertSource) {
String[] itemArray = item.split("=");
- if (StringUtils.containsAny(separator, propertyValue)) {
+ if (StringUtils.containsAny(propertyValue, separator)) {
for (String value : propertyValue.split(separator)) {
if (itemArray[1].equals(value)) {
propertyString.append(itemArray[0] + separator);
--
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