模板调整

2024-06-05 17:38:37 +08:00
parent 03776bb7c2
commit a9028e046d
2 changed files with 103 additions and 1 deletions
--- a/pqs-common/common-poi/src/main/java/com/njcn/poi/excel/ExcelUtil.java
+++ b/pqs-common/common-poi/src/main/java/com/njcn/poi/excel/ExcelUtil.java
@@ -239,4 +239,106 @@ public class ExcelUtil {
        sheet.addValidationData(validation);
    }

+
+    /**
+     * 指定名称、数据下载报表(带指定标题将*显示比必填信息),带有下拉信息
+     *
+     * @param fileName 文件名
+     */
+    public static void exportExcelPullDownOne(ExportParams exportParams, String fileName, List<PullDown> pullDowns, Class<?> pojoClass, Collection<?> dataSet) {
+        HttpServletResponse response = HttpServletUtil.getResponse();
+        try (ServletOutputStream outputStream = response.getOutputStream()) {
+            fileName = URLEncoder.encode(fileName, CharsetUtil.UTF_8);
+            response.reset();
+            response.setHeader("Content-Disposition", "attachment;filename=" + fileName);
+            response.setContentType("application/octet-stream;charset=UTF-8");
+            Workbook workbook = ExcelExportUtil.exportExcel(exportParams, pojoClass, dataSet);
+            if (CollUtil.isNotEmpty(pullDowns)) {
+                for (PullDown pullDown : pullDowns) {
+                    ExcelUtil.selectListOne(workbook, pullDown.getFirstCol(), pullDown.getLastCol(), pullDown.getStrings().toArray(new String[]{}));
+                }
+            }
+            Sheet sheetAt = workbook.getSheetAt(0);
+            //获取列数
+            int physicalNumberOfCells = sheetAt.getRow(0).getPhysicalNumberOfCells();
+            //没有表格标题,只有表格头
+            for (int i = 0; i < 2; i++) {
+                //获取行
+                Row row = sheetAt.getRow(i);
+                if(Objects.isNull(row)){
+                    continue;
+                }
+                for (int j = 0; j < physicalNumberOfCells; j++) {
+                    //获取单元格对象
+                    Cell cell = row.getCell(j);
+                    //获取单元格样式对象
+                    CellStyle cellStyle = workbook.createCellStyle();
+                    //获取单元格内容对象
+                    Font font = workbook.createFont();
+                    font.setFontHeightInPoints((short) 12);
+                    //一定要装入 样式中才会生效
+                    cellStyle.setFont(font);
+                    //设置居中对齐
+                    cellStyle.setAlignment(HorizontalAlignment.CENTER);
+                    cellStyle.setVerticalAlignment(VerticalAlignment.CENTER);
+                    //设置单元格字体颜色
+                    cell.setCellStyle(cellStyle);
+                    //获取当前值
+                    String stringCellValue = cell.getStringCellValue();
+                    if (stringCellValue.contains("*")) {
+                        // 创建一个富文本
+                        XSSFRichTextString xssfRichTextString = new XSSFRichTextString(stringCellValue);
+                        int startIndex = stringCellValue.indexOf("*");
+                        int entIndex = stringCellValue.lastIndexOf("*");
+                        if (entIndex != 0) {
+                            Font font3 = workbook.createFont();
+                            font3.setFontHeightInPoints((short) 12);
+                            font3.setColor(Font.COLOR_NORMAL);
+                            xssfRichTextString.applyFont(0, entIndex, font3);
+                        }
+                        //设置带*样式
+                        Font font1 = workbook.createFont();
+                        font1.setFontHeightInPoints((short) 12);
+                        font1.setColor(Font.COLOR_RED);
+                        xssfRichTextString.applyFont(startIndex, entIndex + 1, font1);
+                        //其他样式
+                        Font font2 = workbook.createFont();
+                        font2.setFontHeightInPoints((short) 12);
+                        font2.setColor(Font.COLOR_NORMAL);
+                        xssfRichTextString.applyFont(entIndex + 1, stringCellValue.length(), font2);
+                        cell.setCellValue(xssfRichTextString);
+                    }
+                }
+            }
+            workbook.write(outputStream);
+        } catch (IOException e) {
+            log.error(">>> 导出数据异常：{}", e.getMessage());
+        }
+    }
+
+
+    /**
+     * firstRow 開始行號 根据此项目，默认为2(下标0开始)
+     * lastRow  根据此项目，默认为最大65535
+     *
+     * @param firstCol 区域中第一个单元格的列号 (下标0开始)
+     * @param lastCol  区域中最后一个单元格的列号
+     * @param strings  下拉内容
+     */
+    public static void selectListOne(Workbook workbook, int firstCol, int lastCol, String[] strings) {
+        Sheet sheet = workbook.getSheetAt(0);
+        //  生成下拉列表
+        //  只对(x，x)单元格有效
+        CellRangeAddressList cellRangeAddressList = new CellRangeAddressList(1, 65535, firstCol, lastCol);
+        //  生成下拉框内容
+        DataValidationHelper dvHelper = sheet.getDataValidationHelper();
+        XSSFDataValidationConstraint dvConstraint = (XSSFDataValidationConstraint)
+                dvHelper.createExplicitListConstraint(strings);
+        XSSFDataValidation validation = (XSSFDataValidation) dvHelper.createValidation(
+                dvConstraint, cellRangeAddressList);
+        //  对sheet页生效
+        sheet.addValidationData(validation);
+    }
+
+
 }