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台账模版导入功能修复

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hzj
2026-05-20 15:58:48 +08:00
parent 11750a4f3a
commit 7eef16599f
5 changed files with 175 additions and 60 deletions
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53
pqs-common/common-poi/src/main/java/com/njcn/poi/excel/ExcelUtil.java
View File

@@ -239,18 +239,47 @@ public class ExcelUtil {
* @param strings 下拉内容
*/
public static void selectList(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(2, 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);
// Sheet sheet = workbook.getSheetAt(0);
// // 生成下拉列表
// // 只对(x，x)单元格有效
// CellRangeAddressList cellRangeAddressList = new CellRangeAddressList(2, 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);
Sheet targetSheet = workbook.getSheetAt(0);
// ===================== 关键：每个下拉用唯一名称的隐藏Sheet =====================
String uniqueHiddenName = "dropdown_" + firstCol + "_" + lastCol + "_" + System.currentTimeMillis();
Sheet hiddenSheet = workbook.createSheet(uniqueHiddenName);
// 隐藏数据源Sheet
workbook.setSheetHidden(workbook.getSheetIndex(hiddenSheet), true);
// 写入选项到隐藏Sheet
for (int i = 0; i < strings.length; i++) {
Row row = hiddenSheet.createRow(i);
Cell cell = row.createCell(0);
cell.setCellValue(strings[i]);
}
// 构造引用公式（无长度限制）
String formula = uniqueHiddenName + "!$A$1:$A$" + strings.length;
// 下拉作用范围：第3行 ~ 65536行
CellRangeAddressList range = new CellRangeAddressList(2, 65535, firstCol, lastCol);
DataValidationHelper helper = targetSheet.getDataValidationHelper();
DataValidationConstraint constraint = helper.createFormulaListConstraint(formula);
DataValidation validation = helper.createValidation(constraint, range);
// 必加：防止下拉冲突、不显示
validation.setShowErrorBox(true);
validation.setShowPromptBox(true);
targetSheet.addValidationData(validation);
}
/**

57
pqs-common/common-poi/src/main/java/com/njcn/poi/util/PoiUtil.java
View File

@@ -4,13 +4,15 @@ import cn.hutool.core.io.FileUtil;
import cn.hutool.core.util.CharsetUtil;
import com.njcn.common.pojo.enums.response.CommonResponseEnum;
import com.njcn.common.pojo.exception.BusinessException;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.ss.usermodel.*;
import org.apache.poi.xssf.usermodel.XSSFRichTextString;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.FileInputStream;
import java.net.URLEncoder;
import java.util.Objects;
/**
* @author hongawen
@@ -76,6 +78,59 @@ public class PoiUtil {
fileName = URLEncoder.encode(fileName, CharsetUtil.UTF_8);
response.setHeader("Content-Disposition", "attachment; filename=\"" + fileName + "\"");
response.setContentType("application/octet-stream;charset=" + CharsetUtil.UTF_8);
//将带*号的列变成红色
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 (Exception e) {
e.printStackTrace();