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add TemplateContext
This commit is contained in:
Looly
parent
7a1983235f
commit
31b7583369
@ -81,27 +81,6 @@ public class ExcelImgUtil {
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}
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}
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/**
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* 写出图片，本方法只是将数据写入Workbook中的Sheet，并不写出到文件<br>
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* 添加图片到当前sheet中
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*
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* @param sheet {@link Sheet}
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* @param pictureData 数据bytes
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* @param imgType 图片类型，对应poi中Workbook类中的图片类型2-7变量
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* @param clientAnchor 图片的位置和大小信息
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* @author vhukze
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* @since 6.0.0
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*/
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public static void writeImg(final Sheet sheet, final byte[] pictureData,
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final ExcelImgType imgType, final SimpleClientAnchor clientAnchor) {
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final Drawing<?> patriarch = sheet.createDrawingPatriarch();
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final Workbook workbook = sheet.getWorkbook();
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final ClientAnchor anchor = workbook.getCreationHelper().createClientAnchor();
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clientAnchor.copyTo(anchor);
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patriarch.createPicture(anchor, workbook.addPicture(pictureData, imgType.getValue()));
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}
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// -------------------------------------------------------------------------------------------------------------- Private method start
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/**
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@ -12,11 +12,15 @@
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package org.dromara.hutool.poi.excel;
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import org.apache.poi.ss.usermodel.IgnoredErrorType;
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import org.apache.poi.ss.usermodel.Sheet;
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import org.apache.poi.ss.usermodel.Workbook;
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import org.apache.poi.ss.util.CellRangeAddress;
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import org.apache.poi.ss.util.cellwalk.CellHandler;
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import org.apache.poi.ss.util.cellwalk.CellWalk;
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import org.apache.poi.xssf.streaming.SXSSFSheet;
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import org.apache.poi.xssf.usermodel.XSSFSheet;
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import org.dromara.hutool.core.reflect.FieldUtil;
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import org.dromara.hutool.core.text.StrUtil;
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/**
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@ -82,6 +86,18 @@ public class SheetUtil {
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return null == sheet || (sheet.getLastRowNum() == 0 && sheet.getPhysicalNumberOfRows() == 0);
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}
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/**
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* 遍历Sheet中的所有单元格
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*
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* @param sheet {@link Sheet}
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* @param cellHandler 单元格处理器
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*/
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public static void walk(final Sheet sheet, final CellHandler cellHandler) {
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walk(sheet,
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new CellRangeAddress(0, sheet.getLastRowNum(), 0, sheet.getLastRowNum()),
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cellHandler);
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}
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/**
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* 遍历Sheet中的指定区域单元格
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*
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@ -93,4 +109,28 @@ public class SheetUtil {
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final CellWalk cellWalk = new CellWalk(sheet, range);
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cellWalk.traverse(cellHandler);
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}
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/**
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* 设置忽略错误，即Excel中的绿色警告小标，只支持XSSFSheet和SXSSFSheet<br>
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* 见：https://stackoverflow.com/questions/23488221/how-to-remove-warning-in-excel-using-apache-poi-in-java
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*
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* @param sheet {@link Sheet}
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* @param cellRangeAddress 指定单元格范围
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* @param ignoredErrorTypes 忽略的错误类型列表
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* @throws UnsupportedOperationException 如果sheet不是XSSFSheet
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* @since 5.8.28
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*/
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public static void addIgnoredErrors(final Sheet sheet, final CellRangeAddress cellRangeAddress, final IgnoredErrorType... ignoredErrorTypes) throws UnsupportedOperationException {
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if (sheet instanceof XSSFSheet) {
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((XSSFSheet) sheet).addIgnoredErrors(cellRangeAddress, ignoredErrorTypes);
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} else if (sheet instanceof SXSSFSheet) {
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// SXSSFSheet并未提供忽略错误方法，获得其内部_sh字段设置
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final XSSFSheet xssfSheet = (XSSFSheet) FieldUtil.getFieldValue(sheet, "_sh");
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if (null != xssfSheet) {
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xssfSheet.addIgnoredErrors(cellRangeAddress, ignoredErrorTypes);
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}
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} else {
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throw new UnsupportedOperationException("Only XSSFSheet supports addIgnoredErrors");
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}
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}
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}
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@ -17,6 +17,7 @@ import org.dromara.hutool.core.io.file.FileUtil;
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import org.dromara.hutool.poi.excel.ExcelImgType;
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import org.dromara.hutool.poi.excel.ExcelImgUtil;
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import org.dromara.hutool.poi.excel.SimpleClientAnchor;
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import org.dromara.hutool.poi.excel.writer.ExcelDrawingUtil;
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import java.io.File;
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@ -69,7 +70,7 @@ public class ImgCellSetter implements CellSetter {
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final int columnIndex = cell.getColumnIndex();
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final int rowIndex = cell.getRowIndex();
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ExcelImgUtil.writeImg(sheet, this.pictureData, this.imgType,
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ExcelDrawingUtil.drawingImg(sheet, this.pictureData, this.imgType,
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new SimpleClientAnchor(columnIndex, rowIndex, columnIndex + 1, rowIndex + 1));
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}
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}
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@ -0,0 +1,55 @@
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/*
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* Copyright (c) 2024. looly(loolly@aliyun.com)
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* Hutool is licensed under Mulan PSL v2.
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* You can use this software according to the terms and conditions of the Mulan PSL v2.
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* You may obtain a copy of Mulan PSL v2 at:
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* https://license.coscl.org.cn/MulanPSL2
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PSL v2 for more details.
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*/
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package org.dromara.hutool.poi.excel.writer;
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import org.apache.poi.ss.usermodel.DataValidation;
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import org.apache.poi.ss.usermodel.DataValidationConstraint;
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import org.apache.poi.ss.usermodel.DataValidationHelper;
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import org.apache.poi.ss.usermodel.Sheet;
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import org.apache.poi.ss.util.CellRangeAddressList;
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import org.apache.poi.xssf.usermodel.XSSFDataValidation;
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/**
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* Excel数据验证相关工具
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*
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* @author Looly
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* @since 6.0.0
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*/
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public class DataValidationUtil {
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/**
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* 增加下拉列表
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*
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* @param sheet {@link Sheet}
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* @param regions {@link CellRangeAddressList} 指定下拉列表所占的单元格范围
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* @param selectList 下拉列表内容
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* @since 4.6.2
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*/
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public static void addSelect(final Sheet sheet, final CellRangeAddressList regions, final String... selectList) {
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final DataValidationHelper validationHelper = sheet.getDataValidationHelper();
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final DataValidationConstraint constraint = validationHelper.createExplicitListConstraint(selectList);
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//设置下拉框数据
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final DataValidation dataValidation = validationHelper.createValidation(constraint, regions);
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//处理Excel兼容性问题
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if (dataValidation instanceof XSSFDataValidation) {
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dataValidation.setSuppressDropDownArrow(true);
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dataValidation.setShowErrorBox(true);
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} else {
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dataValidation.setSuppressDropDownArrow(false);
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}
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sheet.addValidationData(dataValidation);
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}
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}
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@ -15,25 +15,45 @@ package org.dromara.hutool.poi.excel.writer;
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import org.apache.poi.hssf.usermodel.HSSFClientAnchor;
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import org.apache.poi.hssf.usermodel.HSSFPatriarch;
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import org.apache.poi.hssf.usermodel.HSSFSimpleShape;
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import org.apache.poi.ss.usermodel.ClientAnchor;
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import org.apache.poi.ss.usermodel.Drawing;
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import org.apache.poi.ss.usermodel.Sheet;
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import org.apache.poi.ss.usermodel.*;
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import org.apache.poi.xssf.usermodel.XSSFClientAnchor;
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import org.apache.poi.xssf.usermodel.XSSFDrawing;
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import org.apache.poi.xssf.usermodel.XSSFSimpleShape;
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import org.dromara.hutool.poi.excel.ExcelImgType;
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import org.dromara.hutool.poi.excel.SimpleClientAnchor;
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import org.dromara.hutool.poi.excel.style.ShapeConfig;
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import java.awt.Color;
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/**
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* 简单形状工具类<br>
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* Excel绘制工具类<br>
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* 用于辅助写出指定的图形
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*
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* @author Looly
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* @since 6.0.0
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*/
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public class SimpleShapeUtil {
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public class ExcelDrawingUtil {
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/**
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* 写出图片，本方法只是将数据写入Workbook中的Sheet，并不写出到文件<br>
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* 添加图片到当前sheet中
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*
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* @param sheet {@link Sheet}
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* @param pictureData 数据bytes
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* @param imgType 图片类型，对应poi中Workbook类中的图片类型2-7变量
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* @param clientAnchor 图片的位置和大小信息
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* @author vhukze
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* @since 6.0.0
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*/
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public static void drawingImg(final Sheet sheet, final byte[] pictureData,
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final ExcelImgType imgType, final SimpleClientAnchor clientAnchor) {
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final Drawing<?> patriarch = sheet.createDrawingPatriarch();
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final Workbook workbook = sheet.getWorkbook();
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final ClientAnchor anchor = workbook.getCreationHelper().createClientAnchor();
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clientAnchor.copyTo(anchor);
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patriarch.createPicture(anchor, workbook.addPicture(pictureData, imgType.getValue()));
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}
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/**
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* 绘制简单形状
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@ -43,7 +63,7 @@ public class SimpleShapeUtil {
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* @param shapeConfig 形状配置，包括形状类型、线条样式、线条宽度、线条颜色、填充颜色等
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* @since 6.0.0
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*/
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public static void writeSimpleShape(final Sheet sheet, final SimpleClientAnchor clientAnchor, ShapeConfig shapeConfig) {
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public static void drawingSimpleShape(final Sheet sheet, final SimpleClientAnchor clientAnchor, ShapeConfig shapeConfig) {
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final Drawing<?> patriarch = sheet.createDrawingPatriarch();
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final ClientAnchor anchor = sheet.getWorkbook().getCreationHelper().createClientAnchor();
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clientAnchor.copyTo(anchor);
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@ -72,4 +92,25 @@ public class SimpleShapeUtil {
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throw new UnsupportedOperationException("Unsupported patriarch type: " + patriarch.getClass().getName());
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}
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}
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/**
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* 添加批注
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*
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* @param cell {@link Cell}
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* @param clientAnchor 绘制区域信息
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* @param content 内容
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*/
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public static void drawingCellComment(final Cell cell, final SimpleClientAnchor clientAnchor, final String content){
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final Sheet sheet = cell.getSheet();
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final Drawing<?> patriarch = sheet.createDrawingPatriarch();
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final Workbook workbook = sheet.getWorkbook();
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final ClientAnchor anchor = workbook.getCreationHelper().createClientAnchor();
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clientAnchor.copyTo(anchor);
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final RichTextString richTextString = workbook.getCreationHelper().createRichTextString(content);
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final Comment cellComment = patriarch.createCellComment(anchor);
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cellComment.setString(richTextString);
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cell.setCellComment(cellComment);
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}
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}
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@ -17,9 +17,6 @@ import org.apache.poi.ss.usermodel.*;
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import org.apache.poi.ss.util.CellRangeAddress;
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import org.apache.poi.ss.util.CellRangeAddressList;
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import org.apache.poi.ss.util.CellReference;
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import org.apache.poi.xssf.streaming.SXSSFSheet;
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import org.apache.poi.xssf.usermodel.XSSFDataValidation;
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import org.apache.poi.xssf.usermodel.XSSFSheet;
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import org.dromara.hutool.core.bean.BeanUtil;
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import org.dromara.hutool.core.collection.ListUtil;
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import org.dromara.hutool.core.io.IORuntimeException;
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@ -29,7 +26,6 @@ import org.dromara.hutool.core.lang.Assert;
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import org.dromara.hutool.core.map.MapUtil;
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import org.dromara.hutool.core.map.concurrent.SafeConcurrentHashMap;
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import org.dromara.hutool.core.map.multi.Table;
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import org.dromara.hutool.core.reflect.FieldUtil;
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import org.dromara.hutool.core.text.StrUtil;
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import org.dromara.hutool.poi.excel.*;
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import org.dromara.hutool.poi.excel.cell.CellRangeUtil;
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@ -67,11 +63,15 @@ public class ExcelWriter extends ExcelBase<ExcelWriter, ExcelWriteConfig> {
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*/
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private Map<String, Integer> headLocationCache;
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/**
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* 当前行
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* 当前行，用于标记初始可写数据的行和部分写完后当前的行
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*/
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private final AtomicInteger currentRow;
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/**
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* 模板上下文，存储模板中变量及其位置信息
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*/
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private TemplateContext templateContext;
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// region Constructors
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// region ----- Constructors
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/**
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* 构造，默认生成xlsx格式的Excel文件<br>
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@ -148,8 +148,11 @@ public class ExcelWriter extends ExcelBase<ExcelWriter, ExcelWriteConfig> {
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if (!FileUtil.exists(targetFile)) {
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this.targetFile = targetFile;
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} else{
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// 如果是已经存在的文件，则作为模板加载，此时不能写出到模板文件
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// 初始化模板
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this.templateContext = new TemplateContext(this.sheet);
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}
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// 如果是已经存在的文件，则作为模板加载，此时不能写出到模板文件
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}
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/**
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@ -389,9 +392,6 @@ public class ExcelWriter extends ExcelBase<ExcelWriter, ExcelWriteConfig> {
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return this;
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}
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//region header alias
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//endregion
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/**
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* 设置窗口冻结，之前冻结的窗口会被覆盖，如果rowSplit为0表示取消冻结
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*
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@ -502,19 +502,8 @@ public class ExcelWriter extends ExcelBase<ExcelWriter, ExcelWriteConfig> {
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* @since 5.8.28
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*/
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public ExcelWriter addIgnoredErrors(final CellRangeAddress cellRangeAddress, final IgnoredErrorType... ignoredErrorTypes) throws UnsupportedOperationException {
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final Sheet sheet = this.sheet;
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if (sheet instanceof XSSFSheet) {
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((XSSFSheet) sheet).addIgnoredErrors(cellRangeAddress, ignoredErrorTypes);
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return this;
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} else if (sheet instanceof SXSSFSheet) {
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// SXSSFSheet并未提供忽略错误方法，获得其内部_sh字段设置
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final XSSFSheet xssfSheet = (XSSFSheet) FieldUtil.getFieldValue(sheet, "_sh");
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if (null != xssfSheet) {
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xssfSheet.addIgnoredErrors(cellRangeAddress, ignoredErrorTypes);
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}
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}
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throw new UnsupportedOperationException("Only XSSFSheet supports addIgnoredErrors");
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SheetUtil.addIgnoredErrors(this.sheet, cellRangeAddress, ignoredErrorTypes);
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return this;
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}
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/**
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@ -539,21 +528,8 @@ public class ExcelWriter extends ExcelBase<ExcelWriter, ExcelWriteConfig> {
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* @since 4.6.2
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*/
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public ExcelWriter addSelect(final CellRangeAddressList regions, final String... selectList) {
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final DataValidationHelper validationHelper = this.sheet.getDataValidationHelper();
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final DataValidationConstraint constraint = validationHelper.createExplicitListConstraint(selectList);
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//设置下拉框数据
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final DataValidation dataValidation = validationHelper.createValidation(constraint, regions);
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//处理Excel兼容性问题
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if (dataValidation instanceof XSSFDataValidation) {
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dataValidation.setSuppressDropDownArrow(true);
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dataValidation.setShowErrorBox(true);
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} else {
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dataValidation.setSuppressDropDownArrow(false);
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}
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return addValidationData(dataValidation);
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DataValidationUtil.addSelect(this.sheet, regions, selectList);
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return this;
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}
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/**
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@ -568,6 +544,7 @@ public class ExcelWriter extends ExcelBase<ExcelWriter, ExcelWriteConfig> {
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return this;
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}
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// region ----- merge
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/**
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* 合并当前行的单元格
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*
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@ -656,7 +633,9 @@ public class ExcelWriter extends ExcelBase<ExcelWriter, ExcelWriteConfig> {
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}
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return this;
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}
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// endregion
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// region ----- write
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/**
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* 写出数据，本方法只是将数据写入Workbook中的Sheet，并不写出到文件<br>
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* 写出的起始行为当前行号，可使用{@link #getCurrentRow()}方法调用，根据写出的的行数，当前行号自动增加
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@ -744,6 +723,7 @@ public class ExcelWriter extends ExcelBase<ExcelWriter, ExcelWriteConfig> {
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}
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return this;
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}
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// endregion
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// region ----- writeImg
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@ -805,7 +785,7 @@ public class ExcelWriter extends ExcelBase<ExcelWriter, ExcelWriteConfig> {
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* @since 6.0.0
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*/
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public ExcelWriter writeImg(final byte[] pictureData, final ExcelImgType imgType, final SimpleClientAnchor clientAnchor) {
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ExcelImgUtil.writeImg(this.sheet, pictureData, imgType, clientAnchor);
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ExcelDrawingUtil.drawingImg(this.sheet, pictureData, imgType, clientAnchor);
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return this;
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}
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@ -843,7 +823,7 @@ public class ExcelWriter extends ExcelBase<ExcelWriter, ExcelWriteConfig> {
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* @since 6.0.0
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*/
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public ExcelWriter writeSimpleShape(final SimpleClientAnchor clientAnchor, final ShapeConfig shapeConfig) {
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SimpleShapeUtil.writeSimpleShape(this.sheet, clientAnchor, shapeConfig);
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ExcelDrawingUtil.drawingSimpleShape(this.sheet, clientAnchor, shapeConfig);
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return this;
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}
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// endregion
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@ -0,0 +1,98 @@
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/*
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* Copyright (c) 2024. looly(loolly@aliyun.com)
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* Hutool is licensed under Mulan PSL v2.
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* You can use this software according to the terms and conditions of the Mulan PSL v2.
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* You may obtain a copy of Mulan PSL v2 at:
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* https://license.coscl.org.cn/MulanPSL2
|
||||
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
|
||||
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
|
||||
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
|
||||
* See the Mulan PSL v2 for more details.
|
||||
*/
|
||||
|
||||
package org.dromara.hutool.poi.excel.writer;
|
||||
|
||||
import org.apache.poi.ss.usermodel.Cell;
|
||||
import org.apache.poi.ss.usermodel.CellType;
|
||||
import org.apache.poi.ss.usermodel.Sheet;
|
||||
import org.dromara.hutool.core.collection.CollUtil;
|
||||
import org.dromara.hutool.core.regex.ReUtil;
|
||||
import org.dromara.hutool.core.text.StrUtil;
|
||||
import org.dromara.hutool.poi.excel.SheetUtil;
|
||||
|
||||
import java.util.HashMap;
|
||||
import java.util.List;
|
||||
import java.util.Map;
|
||||
import java.util.regex.Pattern;
|
||||
|
||||
/**
|
||||
* 模板上下文，记录了模板中变量所在的Cell
|
||||
*
|
||||
* @author Looly
|
||||
* @since 6.0.0
|
||||
*/
|
||||
public class TemplateContext {
|
||||
|
||||
/**
|
||||
* 变量正则
|
||||
* <ol>
|
||||
* <li>变量名只能包含字母、数字、下划线、$符号、.符号，不能以数字开头</li>
|
||||
* <li>变量以 { 开始，以 } 结束</li>
|
||||
* <li>\{表示转义，非变量符号</li>
|
||||
* <li>.开头的变量表示列表，.出现在中间，表示表达式子对象</li>
|
||||
* </ol>
|
||||
*/
|
||||
private static final Pattern VAR_PATTERN = Pattern.compile("(?<!\\\\)\\{([.$_a-zA-Z]+\\d*[.$_a-zA-Z]*)}");
|
||||
private static final Pattern ESCAPE_VAR_PATTERN = Pattern.compile("\\\\\\{([.$_a-zA-Z]+\\d*[.$_a-zA-Z]*)\\\\}");
|
||||
|
||||
// 存储变量对应单元格的映射
|
||||
private final Map<String, Cell> varMap = new HashMap<>();
|
||||
|
||||
/**
|
||||
* 构造
|
||||
*
|
||||
* @param templateSheet 模板sheet
|
||||
*/
|
||||
public TemplateContext(final Sheet templateSheet) {
|
||||
init(templateSheet);
|
||||
}
|
||||
|
||||
/**
|
||||
* 获取变量对应的单元格，列表变量以.开头
|
||||
*
|
||||
* @param varName 变量名
|
||||
* @return 单元格
|
||||
*/
|
||||
public Cell getCell(final String varName) {
|
||||
return varMap.get(varName);
|
||||
}
|
||||
|
||||
/**
|
||||
* 初始化，提取变量及位置，并将转义的变量回填
|
||||
*
|
||||
* @param templateSheet 模板sheet
|
||||
*/
|
||||
private void init(final Sheet templateSheet) {
|
||||
SheetUtil.walk(templateSheet, (cell, ctx) -> {
|
||||
if (CellType.STRING == cell.getCellType()) {
|
||||
// 只读取字符串类型的单元格
|
||||
final String cellValue = cell.getStringCellValue();
|
||||
|
||||
// 字符串中可能有多个变量
|
||||
final List<String> vars = ReUtil.findAllGroup1(VAR_PATTERN, cellValue);
|
||||
if (CollUtil.isNotEmpty(vars)) {
|
||||
// 模板变量
|
||||
for (final String var : vars) {
|
||||
varMap.put(var, cell);
|
||||
}
|
||||
}
|
||||
|
||||
// 替换转义的变量
|
||||
final String str = ReUtil.replaceAll(cellValue, ESCAPE_VAR_PATTERN, (matcher) -> "{" + matcher.group(1) + "}");
|
||||
if (!StrUtil.equals(cellValue, str)) {
|
||||
cell.setCellValue(str);
|
||||
}
|
||||
}
|
||||
});
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,24 @@
|
||||
/*
|
||||
* Copyright (c) 2024. looly(loolly@aliyun.com)
|
||||
* Hutool is licensed under Mulan PSL v2.
|
||||
* You can use this software according to the terms and conditions of the Mulan PSL v2.
|
||||
* You may obtain a copy of Mulan PSL v2 at:
|
||||
* https://license.coscl.org.cn/MulanPSL2
|
||||
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
|
||||
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
|
||||
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
|
||||
* See the Mulan PSL v2 for more details.
|
||||
*/
|
||||
|
||||
package org.dromara.hutool.poi.excel.writer;
|
||||
|
||||
import org.dromara.hutool.poi.excel.ExcelUtil;
|
||||
import org.junit.jupiter.api.Test;
|
||||
|
||||
public class TemplateContextTest {
|
||||
@Test
|
||||
void readTemplate() {
|
||||
final ExcelWriter writer = ExcelUtil.getWriter("d:/test/template.xlsx");
|
||||
final TemplateContext templateContext = new TemplateContext(writer.getSheet());
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,27 @@
|
||||
/*
|
||||
* Copyright (c) 2024. looly(loolly@aliyun.com)
|
||||
* Hutool is licensed under Mulan PSL v2.
|
||||
* You can use this software according to the terms and conditions of the Mulan PSL v2.
|
||||
* You may obtain a copy of Mulan PSL v2 at:
|
||||
* https://license.coscl.org.cn/MulanPSL2
|
||||
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
|
||||
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
|
||||
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
|
||||
* See the Mulan PSL v2 for more details.
|
||||
*/
|
||||
|
||||
package org.dromara.hutool.poi.excel.writer;
|
||||
|
||||
import org.dromara.hutool.poi.excel.ExcelUtil;
|
||||
import org.dromara.hutool.poi.excel.SimpleClientAnchor;
|
||||
import org.junit.jupiter.api.Test;
|
||||
|
||||
public class WriteCommentTest {
|
||||
@Test
|
||||
void writeCommentTest() {
|
||||
final ExcelWriter writer = ExcelUtil.getWriter("d:/test/comments.xlsx");
|
||||
final SimpleClientAnchor clientAnchor = new SimpleClientAnchor(0, 0, 1, 1);
|
||||
ExcelDrawingUtil.drawingCellComment(writer.getOrCreateCell(5, 6), clientAnchor, "测试内容");
|
||||
writer.close();
|
||||
}
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user