From 09bb3e15c65c05f085b5cf4b715dc29b28d19fa2 Mon Sep 17 00:00:00 2001
From: RuoYi <yzz_ivy@163.com>
Date: 星期六, 03 十二月 2022 12:48:51 +0800
Subject: [PATCH] 定时任务违规的字符

---
 ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java |   88 +++++++++++++++++++++++++++++++++++++++----
 1 files changed, 79 insertions(+), 9 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 0958a13..dcc4d1e 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
@@ -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;
@@ -689,17 +690,24 @@
         int rowNo = (1 + rownum) - startNo;
         for (int i = startNo; i < endNo; i++)
         {
-            rowNo = i > 1 ? rowNo + 1 : rowNo + i;
+            rowNo = isSubList() ? (i > 1 ? rowNo + 1 : rowNo + i) : i + 1 + rownum - startNo;
             row = sheet.createRow(rowNo);
             // 得到导出对象.
             T vo = (T) list.get(i);
             Collection<?> subList = null;
-            if (isSubListValue(vo))
+            if (isSubList())
             {
-                subList = getListCellValue(vo);
-                subMergedLastRowNum = subMergedLastRowNum + subList.size();
+                if (isSubListValue(vo))
+                {
+                    subList = getListCellValue(vo);
+                    subMergedLastRowNum = subMergedLastRowNum + subList.size();
+                }
+                else
+                {
+                    subMergedFirstRowNum++;
+                    subMergedLastRowNum++;
+                }
             }
-
             int column = 0;
             for (Object[] os : fields)
             {
@@ -808,7 +816,6 @@
             if (!headerStyles.containsKey(key))
             {
                 CellStyle style = wb.createCellStyle();
-                style = wb.createCellStyle();
                 style.cloneStyleFrom(styles.get("data"));
                 style.setAlignment(HorizontalAlignment.CENTER);
                 style.setVerticalAlignment(VerticalAlignment.CENTER);
@@ -842,7 +849,6 @@
             if (!styles.containsKey(key))
             {
                 CellStyle style = wb.createCellStyle();
-                style = wb.createCellStyle();
                 style.setAlignment(excel.align());
                 style.setVerticalAlignment(VerticalAlignment.CENTER);
                 style.setBorderRight(BorderStyle.THIN);
@@ -905,6 +911,10 @@
             if (StringUtils.startsWithAny(cellValue, FORMULA_STR))
             {
                 cellValue = RegExUtils.replaceFirst(cellValue, FORMULA_REGEX_STR, "\t$0");
+            }
+            if (value instanceof Collection && StringUtils.equals("[]", cellValue))
+            {
+                cellValue = StringUtils.EMPTY;
             }
             cell.setCellValue(StringUtils.isNull(cellValue) ? attr.defaultValue() : cellValue + attr.suffix());
         }
@@ -973,8 +983,16 @@
         }
         if (StringUtils.isNotEmpty(attr.prompt()) || attr.combo().length > 0)
         {
-            // 提示信息或只能选择不能输入的列内容.
-            setPromptOrValidation(sheet, attr.combo(), attr.prompt(), 1, 100, column, column);
+            if (attr.combo().length > 15 || StringUtils.join(attr.combo()).length() > 255)
+            {
+                // 如果下拉数大于15或字符串长度大于255,则使用一个新sheet存储,避免生成的模板下拉值获取不到
+                setXSSFValidationWithHidden(sheet, attr.combo(), attr.prompt(), 1, 100, column, column);
+            }
+            else
+            {
+                // 提示信息或只能选择不能输入的列内容.
+                setPromptOrValidation(sheet, attr.combo(), attr.prompt(), 1, 100, column, column);
+            }
         }
     }
 
@@ -1079,6 +1097,58 @@
     }
 
     /**
+     * 设置某些列的值只能输入预制的数据,显示下拉框(兼容超出一定数量的下拉框).
+     * 
+     * @param sheet 要设置的sheet.
+     * @param textlist 下拉框显示的内容
+     * @param promptContent 提示内容
+     * @param firstRow 开始行
+     * @param endRow 结束行
+     * @param firstCol 开始列
+     * @param endCol 结束列
+     */
+    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); // 用于存储 下拉菜单数据
+        for (int i = 0; i < textlist.length; i++)
+        {
+            hideSheet.createRow(i).createCell(0).setCellValue(textlist[i]);
+        }
+        // 创建名称,可被其他单元格引用
+        Name name = wb.createName();
+        name.setNameName(hideSheetName + "_data");
+        name.setRefersToFormula(hideSheetName + "!$A$1:$A$" + textlist.length);
+        DataValidationHelper helper = sheet.getDataValidationHelper();
+        // 加载下拉列表内容
+        DataValidationConstraint constraint = helper.createFormulaListConstraint(hideSheetName + "_data");
+        // 设置数据有效性加载在哪个单元格上,四个参数分别是:起始行、终止行、起始列、终止列
+        CellRangeAddressList regions = new CellRangeAddressList(firstRow, endRow, firstCol, endCol);
+        // 数据有效性对象
+        DataValidation dataValidation = helper.createValidation(constraint, regions);
+        if (StringUtils.isNotEmpty(promptContent))
+        {
+            // 如果设置了提示信息则鼠标放上去提示
+            dataValidation.createPromptBox("", promptContent);
+            dataValidation.setShowPromptBox(true);
+        }
+        // 处理Excel兼容性问题
+        if (dataValidation instanceof XSSFDataValidation)
+        {
+            dataValidation.setSuppressDropDownArrow(true);
+            dataValidation.setShowErrorBox(true);
+        }
+        else
+        {
+            dataValidation.setSuppressDropDownArrow(false);
+        }
+
+        sheet.addValidationData(dataValidation);
+        // 设置hiddenSheet隐藏
+        wb.setSheetHidden(wb.getSheetIndex(hideSheet), true);
+    }
+
+    /**
      * 解析导出值 0=男,1=女,2=未知
      * 
      * @param propertyValue 参数值

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