From c7cc39af74d48cdb249f9f7c62d99a20314210df Mon Sep 17 00:00:00 2001
From: RuoYi <yzz_ivy@163.com>
Date: 星期一, 21 十一月 2022 12:19:48 +0800
Subject: [PATCH] 兼容Excel下拉框内容过多无法显示的问题(I5XB6I)
---
src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java | 65 +++++++++++++++++++++++++++++++-
1 files changed, 63 insertions(+), 2 deletions(-)
diff --git a/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java b/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
index 54f1153..e6f069c 100644
--- a/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
+++ b/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
@@ -48,6 +48,7 @@
import org.apache.poi.ss.usermodel.Font;
import org.apache.poi.ss.usermodel.HorizontalAlignment;
import org.apache.poi.ss.usermodel.IndexedColors;
+import org.apache.poi.ss.usermodel.Name;
import org.apache.poi.ss.usermodel.PictureData;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
@@ -982,8 +983,16 @@
}
if (StringUtils.isNotEmpty(attr.prompt()) || attr.combo().length > 0)
{
- // 鎻愮ず淇℃伅鎴栧彧鑳介�夋嫨涓嶈兘杈撳叆鐨勫垪鍐呭.
- setPromptOrValidation(sheet, attr.combo(), attr.prompt(), 1, 100, column, column);
+ if (attr.combo().length > 15 || StringUtils.join(attr.combo()).length() > 255)
+ {
+ // 濡傛灉涓嬫媺鏁板ぇ浜�15鎴栧瓧绗︿覆闀垮害澶т簬255锛屽垯浣跨敤涓�涓柊sheet瀛樺偍锛岄伩鍏嶇敓鎴愮殑妯℃澘涓嬫媺鍊艰幏鍙栦笉鍒�
+ setXSSFValidationWithHidden(sheet, attr.combo(), attr.prompt(), 1, 100, column, column);
+ }
+ else
+ {
+ // 鎻愮ず淇℃伅鎴栧彧鑳介�夋嫨涓嶈兘杈撳叆鐨勫垪鍐呭.
+ setPromptOrValidation(sheet, attr.combo(), attr.prompt(), 1, 100, column, column);
+ }
}
}
@@ -1088,6 +1097,58 @@
}
/**
+ * 璁剧疆鏌愪簺鍒楃殑鍊煎彧鑳借緭鍏ラ鍒剁殑鏁版嵁,鏄剧ず涓嬫媺妗嗭紙鍏煎瓒呭嚭涓�瀹氭暟閲忕殑涓嬫媺妗嗭級.
+ *
+ * @param sheet 瑕佽缃殑sheet.
+ * @param textlist 涓嬫媺妗嗘樉绀虹殑鍐呭
+ * @param promptContent 鎻愮ず鍐呭
+ * @param firstRow 寮�濮嬭
+ * @param endRow 缁撴潫琛�
+ * @param firstCol 寮�濮嬪垪
+ * @param endCol 缁撴潫鍒�
+ */
+ public void setXSSFValidationWithHidden(Sheet sheet, String[] textlist, String promptContent, int firstRow, int endRow, int firstCol, int endCol)
+ {
+ String hideSheetName = "combo_" + firstCol + "_" + endCol;
+ Sheet hideSheet = wb.createSheet(hideSheetName); // 鐢ㄤ簬瀛樺偍 涓嬫媺鑿滃崟鏁版嵁
+ for (int i = 0; i < textlist.length; i++)
+ {
+ hideSheet.createRow(i).createCell(0).setCellValue(textlist[i]);
+ }
+ // 鍒涘缓鍚嶇О锛屽彲琚叾浠栧崟鍏冩牸寮曠敤
+ Name name = wb.createName();
+ name.setNameName(hideSheetName + "_data");
+ name.setRefersToFormula(hideSheetName + "!$A$1:$A$" + textlist.length);
+ DataValidationHelper helper = sheet.getDataValidationHelper();
+ // 鍔犺浇涓嬫媺鍒楄〃鍐呭
+ DataValidationConstraint constraint = helper.createFormulaListConstraint(hideSheetName + "_data");
+ // 璁剧疆鏁版嵁鏈夋晥鎬у姞杞藉湪鍝釜鍗曞厓鏍间笂,鍥涗釜鍙傛暟鍒嗗埆鏄細璧峰琛屻�佺粓姝㈣銆佽捣濮嬪垪銆佺粓姝㈠垪
+ CellRangeAddressList regions = new CellRangeAddressList(firstRow, endRow, firstCol, endCol);
+ // 鏁版嵁鏈夋晥鎬у璞�
+ DataValidation dataValidation = helper.createValidation(constraint, regions);
+ if (StringUtils.isNotEmpty(promptContent))
+ {
+ // 濡傛灉璁剧疆浜嗘彁绀轰俊鎭垯榧犳爣鏀句笂鍘绘彁绀�
+ dataValidation.createPromptBox("", promptContent);
+ dataValidation.setShowPromptBox(true);
+ }
+ // 澶勭悊Excel鍏煎鎬ч棶棰�
+ if (dataValidation instanceof XSSFDataValidation)
+ {
+ dataValidation.setSuppressDropDownArrow(true);
+ dataValidation.setShowErrorBox(true);
+ }
+ else
+ {
+ dataValidation.setSuppressDropDownArrow(false);
+ }
+
+ sheet.addValidationData(dataValidation);
+ // 璁剧疆hiddenSheet闅愯棌
+ wb.setSheetHidden(wb.getSheetIndex(hideSheet), true);
+ }
+
+ /**
* 瑙ｆ瀽瀵煎嚭鍊� 0=鐢�,1=濂�,2=鏈煡
*
* @param propertyValue 鍙傛暟鍊�
--
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