From fe98fba5b51ae4f1ef62cbdbd9b6a8ec20e8e623 Mon Sep 17 00:00:00 2001
From: 若依 <yzz_ivy@163.com>
Date: 星期二, 12 七月 2022 18:01:56 +0800
Subject: [PATCH] !527 调增数组格式声明,random随机转换修正 Merge pull request !527 from 靖少毅/jsy20220705

---
 ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java |  166 +++++++++++++++++++++++++++++++++----------------------
 1 files changed, 99 insertions(+), 67 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 22b6b57..e868511 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
@@ -9,6 +9,8 @@
 import java.lang.reflect.Method;
 import java.math.BigDecimal;
 import java.text.DecimalFormat;
+import java.time.LocalDate;
+import java.time.LocalDateTime;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Comparator;
@@ -20,6 +22,7 @@
 import java.util.UUID;
 import java.util.stream.Collectors;
 import javax.servlet.http.HttpServletResponse;
+import org.apache.commons.lang3.RegExUtils;
 import org.apache.poi.hssf.usermodel.HSSFClientAnchor;
 import org.apache.poi.hssf.usermodel.HSSFPicture;
 import org.apache.poi.hssf.usermodel.HSSFPictureData;
@@ -86,8 +89,9 @@
 {
     private static final Logger log = LoggerFactory.getLogger(ExcelUtil.class);
 
-    public static final String[] FORMULA_STR = { "=", "-", "+", "@" };
+    public static final String FORMULA_REGEX_STR = "=|-|\\+|@";
 
+    public static final String[] FORMULA_STR = { "=", "-", "+", "@" };
 
     /**
      * Excel sheet最大行数,默认65536
@@ -133,7 +137,7 @@
      * 当前行号
      */
     private int rownum;
-    
+
     /**
      * 标题
      */
@@ -315,7 +319,7 @@
                             String dateFormat = field.getAnnotation(Excel.class).dateFormat();
                             if (StringUtils.isNotEmpty(dateFormat))
                             {
-                                val = DateUtils.parseDateToStr(dateFormat, (Date) val);
+                                val = parseDateToStr(dateFormat, val);
                             }
                             else
                             {
@@ -327,7 +331,7 @@
                     {
                         val = Convert.toInt(val);
                     }
-                    else if (Long.TYPE == fieldType || Long.class == fieldType)
+                    else if ((Long.TYPE == fieldType || Long.class == fieldType) && StringUtils.isNumeric(Convert.toStr(val)))
                     {
                         val = Convert.toLong(val);
                     }
@@ -410,7 +414,7 @@
     {
         return exportExcel(list, sheetName, StringUtils.EMPTY);
     }
-    
+
     /**
      * 对list数据源将其里面的数据导入到excel表单
      * 
@@ -432,7 +436,6 @@
      * @param list 导出数据集合
      * @param sheetName 工作表的名称
      * @return 结果
-     * @throws IOException
      */
     public void exportExcel(HttpServletResponse response, List<T> list, String sheetName)
     {
@@ -447,7 +450,6 @@
      * @param sheetName 工作表的名称
      * @param title 标题
      * @return 结果
-     * @throws IOException
      */
     public void exportExcel(HttpServletResponse response, List<T> list, String sheetName, String title)
     {
@@ -670,21 +672,46 @@
         style.setFont(totalFont);
         styles.put("total", style);
 
-        style = wb.createCellStyle();
-        style.cloneStyleFrom(styles.get("data"));
-        style.setAlignment(HorizontalAlignment.LEFT);
-        styles.put("data1", style);
+        styles.putAll(annotationStyles(wb));
 
-        style = wb.createCellStyle();
-        style.cloneStyleFrom(styles.get("data"));
-        style.setAlignment(HorizontalAlignment.CENTER);
-        styles.put("data2", style);
+        return styles;
+    }
 
-        style = wb.createCellStyle();
-        style.cloneStyleFrom(styles.get("data"));
-        style.setAlignment(HorizontalAlignment.RIGHT);
-        styles.put("data3", style);
-
+    /**
+     * 根据Excel注解创建表格样式
+     * 
+     * @param wb 工作薄对象
+     * @return 自定义样式列表
+     */
+    private Map<String, CellStyle> annotationStyles(Workbook wb)
+    {
+        Map<String, CellStyle> styles = new HashMap<String, CellStyle>();
+        for (Object[] os : fields)
+        {
+            Excel excel = (Excel) os[1];
+            String key = "data_" + excel.align() + "_" + excel.color();
+            if (!styles.containsKey(key))
+            {
+                CellStyle style = wb.createCellStyle();
+                style = wb.createCellStyle();
+                style.setAlignment(excel.align());
+                style.setVerticalAlignment(VerticalAlignment.CENTER);
+                style.setBorderRight(BorderStyle.THIN);
+                style.setRightBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
+                style.setBorderLeft(BorderStyle.THIN);
+                style.setLeftBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
+                style.setBorderTop(BorderStyle.THIN);
+                style.setTopBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
+                style.setBorderBottom(BorderStyle.THIN);
+                style.setBottomBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
+                Font dataFont = wb.createFont();
+                dataFont.setFontName("Arial");
+                dataFont.setFontHeightInPoints((short) 10);
+                dataFont.setColor(excel.color().index);
+                style.setFont(dataFont);
+                styles.put(key, style);
+            }
+        }
         return styles;
     }
 
@@ -715,9 +742,9 @@
         {
             String cellValue = Convert.toStr(value);
             // 对于任何以表达式触发字符 =-+@开头的单元格,直接使用tab字符作为前缀,防止CSV注入。
-            if (StringUtils.containsAny(cellValue, FORMULA_STR))
+            if (StringUtils.startsWithAny(cellValue, FORMULA_STR))
             {
-                cellValue = StringUtils.replaceEach(cellValue, FORMULA_STR, new String[] { "\t=", "\t-", "\t+", "\t@" });
+                cellValue = RegExUtils.replaceFirst(cellValue, FORMULA_REGEX_STR, "\t$0");
             }
             cell.setCellValue(StringUtils.isNull(cellValue) ? attr.defaultValue() : cellValue + attr.suffix());
         }
@@ -784,17 +811,10 @@
             // 设置列宽
             sheet.setColumnWidth(column, (int) ((attr.width() + 0.72) * 256));
         }
-        // 如果设置了提示信息则鼠标放上去提示.
-        if (StringUtils.isNotEmpty(attr.prompt()))
+        if (StringUtils.isNotEmpty(attr.prompt()) || attr.combo().length > 0)
         {
-            // 这里默认设了2-101列提示.
-            setXSSFPrompt(sheet, "", attr.prompt(), 1, 100, column, column);
-        }
-        // 如果设置了combo属性则本列只能选择不能输入
-        if (attr.combo().length > 0)
-        {
-            // 这里默认设了2-101列只能选择不能输入.
-            setXSSFValidation(sheet, attr.combo(), 1, 100, column, column);
+            // 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);
         }
     }
 
@@ -813,8 +833,7 @@
             {
                 // 创建cell
                 cell = row.createCell(column);
-                int align = attr.align().value();
-                cell.setCellStyle(styles.get("data" + (align >= 1 && align <= 3 ? align : "")));
+                cell.setCellStyle(styles.get("data_" + attr.align() + "_" + attr.color()));
 
                 // 用于读取对象中的属性
                 Object value = getTargetValue(vo, field, attr);
@@ -824,7 +843,7 @@
                 String dictType = attr.dictType();
                 if (StringUtils.isNotEmpty(dateFormat) && StringUtils.isNotNull(value))
                 {
-                    cell.setCellValue(DateUtils.parseDateToStr(dateFormat, (Date) value));
+                    cell.setCellValue(parseDateToStr(dateFormat, value));
                 }
                 else if (StringUtils.isNotEmpty(readConverterExp) && StringUtils.isNotNull(value))
                 {
@@ -858,48 +877,29 @@
     }
 
     /**
-     * 设置 POI XSSFSheet 单元格提示
+     * 设置 POI XSSFSheet 单元格提示或选择框
      * 
      * @param sheet 表单
-     * @param promptTitle 提示标题
+     * @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 setXSSFPrompt(Sheet sheet, String promptTitle, String promptContent, int firstRow, int endRow,
+    public void setPromptOrValidation(Sheet sheet, String[] textlist, String promptContent, int firstRow, int endRow,
             int firstCol, int endCol)
     {
         DataValidationHelper helper = sheet.getDataValidationHelper();
-        DataValidationConstraint constraint = helper.createCustomConstraint("DD1");
+        DataValidationConstraint constraint = textlist.length > 0 ? helper.createExplicitListConstraint(textlist) : helper.createCustomConstraint("DD1");
         CellRangeAddressList regions = new CellRangeAddressList(firstRow, endRow, firstCol, endCol);
         DataValidation dataValidation = helper.createValidation(constraint, regions);
-        dataValidation.createPromptBox(promptTitle, promptContent);
-        dataValidation.setShowPromptBox(true);
-        sheet.addValidationData(dataValidation);
-    }
-
-    /**
-     * 设置某些列的值只能输入预制的数据,显示下拉框.
-     * 
-     * @param sheet 要设置的sheet.
-     * @param textlist 下拉框显示的内容
-     * @param firstRow 开始行
-     * @param endRow 结束行
-     * @param firstCol 开始列
-     * @param endCol 结束列
-     * @return 设置好的sheet.
-     */
-    public void setXSSFValidation(Sheet sheet, String[] textlist, int firstRow, int endRow, int firstCol, int endCol)
-    {
-        DataValidationHelper helper = sheet.getDataValidationHelper();
-        // 加载下拉列表内容
-        DataValidationConstraint constraint = helper.createExplicitListConstraint(textlist);
-        // 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)
         {
@@ -910,7 +910,6 @@
         {
             dataValidation.setSuppressDropDownArrow(false);
         }
-
         sheet.addValidationData(dataValidation);
     }
 
@@ -1122,7 +1121,7 @@
         if (StringUtils.isNotEmpty(excel.targetAttr()))
         {
             String target = excel.targetAttr();
-            if (target.indexOf(".") > -1)
+            if (target.contains("."))
             {
                 String[] targets = target.split("[.]");
                 for (String name : targets)
@@ -1217,7 +1216,7 @@
         for (Object[] os : this.fields)
         {
             Excel excel = (Excel) os[1];
-            maxHeight = maxHeight > excel.height() ? maxHeight : excel.height();
+            maxHeight = Math.max(maxHeight, excel.height());
         }
         return (short) (maxHeight * 20);
     }
@@ -1397,4 +1396,37 @@
         }
         return sheetIndexPicMap;
     }
+
+    /**
+     * 格式化不同类型的日期对象
+     * 
+     * @param dateFormat 日期格式
+     * @param val 被格式化的日期对象
+     * @return 格式化后的日期字符
+     */
+    public String parseDateToStr(String dateFormat, Object val)
+    {
+        if (val == null)
+        {
+            return "";
+        }
+        String str;
+        if (val instanceof Date)
+        {
+            str = DateUtils.parseDateToStr(dateFormat, (Date) val);
+        }
+        else if (val instanceof LocalDateTime)
+        {
+            str = DateUtils.parseDateToStr(dateFormat, DateUtils.toDate((LocalDateTime) val));
+        }
+        else if (val instanceof LocalDate)
+        {
+            str = DateUtils.parseDateToStr(dateFormat, DateUtils.toDate((LocalDate) val));
+        }
+        else
+        {
+            str = val.toString();
+        }
+        return str;
+    }
 }

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