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@ -1,7 +1,47 @@
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package com.ruoyi.common.utils.poi;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.lang.reflect.Field;
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import java.lang.reflect.Method;
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import java.math.BigDecimal;
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import java.text.DecimalFormat;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.UUID;
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import org.apache.poi.hssf.usermodel.HSSFDateUtil;
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import org.apache.poi.hssf.usermodel.HSSFFont;
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import org.apache.poi.hssf.util.HSSFColor.HSSFColorPredefined;
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import org.apache.poi.ss.usermodel.Cell;
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import org.apache.poi.ss.usermodel.CellStyle;
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import org.apache.poi.ss.usermodel.CellType;
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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.DateUtil;
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import org.apache.poi.ss.usermodel.FillPatternType;
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import org.apache.poi.ss.usermodel.Font;
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import org.apache.poi.ss.usermodel.HorizontalAlignment;
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import org.apache.poi.ss.usermodel.Row;
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import org.apache.poi.ss.usermodel.Sheet;
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import org.apache.poi.ss.usermodel.VerticalAlignment;
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import org.apache.poi.ss.usermodel.Workbook;
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import org.apache.poi.ss.usermodel.WorkbookFactory;
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import org.apache.poi.ss.util.CellRangeAddressList;
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import org.apache.poi.xssf.streaming.SXSSFWorkbook;
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import org.apache.poi.xssf.usermodel.XSSFDataValidation;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import com.ruoyi.common.annotation.Excel;
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import com.ruoyi.common.annotation.Excel.Type;
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import com.ruoyi.common.annotation.Excels;
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import com.ruoyi.common.config.Global;
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import com.ruoyi.common.core.domain.AjaxResult;
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import com.ruoyi.common.core.text.Convert;
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@ -9,21 +49,6 @@ import com.ruoyi.common.exception.BusinessException;
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import com.ruoyi.common.utils.DateUtils;
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import com.ruoyi.common.utils.StringUtils;
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import com.ruoyi.common.utils.reflect.ReflectUtils;
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import org.apache.poi.hssf.usermodel.HSSFDateUtil;
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import org.apache.poi.hssf.usermodel.HSSFFont;
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import org.apache.poi.hssf.util.HSSFColor.HSSFColorPredefined;
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import org.apache.poi.ss.usermodel.*;
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import org.apache.poi.ss.util.CellRangeAddressList;
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import org.apache.poi.xssf.streaming.SXSSFWorkbook;
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import org.apache.poi.xssf.usermodel.XSSFDataValidation;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.io.*;
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import java.lang.reflect.Field;
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import java.lang.reflect.Method;
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import java.math.BigDecimal;
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import java.text.DecimalFormat;
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import java.util.*;
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/**
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* Excel相关处理
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@ -153,7 +178,6 @@ public class ExcelUtil<T>
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cellMap.put(null, i);
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}
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}
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// 有数据时才处理 得到类的所有field.
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Field[] allFields = clazz.getDeclaredFields();
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// 定义一个map用于存放列的序号和field.
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@ -289,65 +313,31 @@ public class ExcelUtil<T>
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for (int index = 0; index <= sheetNo; index++)
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{
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createSheet(sheetNo, index);
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Cell cell = null; // 产生单元格
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// 产生一行
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Row row = sheet.createRow(0);
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int excelsNo = 0;
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// 写入各个字段的列头名称
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for (int i = 0; i < fields.size(); i++)
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for (int column = 0; column < fields.size(); column++)
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{
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Field field = fields.get(i);
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Excel attr = field.getAnnotation(Excel.class);
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// 创建列
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cell = row.createCell(i);
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// 设置列中写入内容为String类型
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cell.setCellType(CellType.STRING);
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CellStyle cellStyle = wb.createCellStyle();
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cellStyle.setAlignment(HorizontalAlignment.CENTER);
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cellStyle.setVerticalAlignment(VerticalAlignment.CENTER);
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if (attr.name().indexOf("注：") >= 0)
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Field field = fields.get(column);
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if (field.isAnnotationPresent(Excel.class))
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{
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Font font = wb.createFont();
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font.setColor(HSSFFont.COLOR_RED);
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cellStyle.setFont(font);
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cellStyle.setFillForegroundColor(HSSFColorPredefined.YELLOW.getIndex());
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sheet.setColumnWidth(i, 6000);
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Excel excel = field.getAnnotation(Excel.class);
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createCell(excel, row, column);
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}
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else
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if (field.isAnnotationPresent(Excels.class))
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{
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Font font = wb.createFont();
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// 粗体显示
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font.setBold(true);
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// 选择需要用到的字体格式
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cellStyle.setFont(font);
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cellStyle.setFillForegroundColor(HSSFColorPredefined.LIGHT_YELLOW.getIndex());
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// 设置列宽
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sheet.setColumnWidth(i, (int) ((attr.width() + 0.72) * 256));
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row.setHeight((short) (attr.height() * 20));
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}
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cellStyle.setFillPattern(FillPatternType.SOLID_FOREGROUND);
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cellStyle.setWrapText(true);
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cell.setCellStyle(cellStyle);
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Excels attrs = field.getAnnotation(Excels.class);
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Excel[] excels = attrs.value();
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// 写入列名
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cell.setCellValue(attr.name());
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// 如果设置了提示信息则鼠标放上去提示.
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if (StringUtils.isNotEmpty(attr.prompt()))
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{
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// 这里默认设了2-101列提示.
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setXSSFPrompt(sheet, "", attr.prompt(), 1, 100, i, i);
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}
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// 如果设置了combo属性则本列只能选择不能输入
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if (attr.combo().length > 0)
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{
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// 这里默认设了2-101列只能选择不能输入.
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setXSSFValidation(sheet, attr.combo(), 1, 100, i, i);
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Excel excel = excels[excelsNo++];
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createCell(excel, row, column);
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}
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}
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if (Type.EXPORT.equals(type))
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{
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fillExcelData(index, row, cell);
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fillExcelData(index, row);
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}
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}
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String filename = encodingFilename(sheetName);
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@ -394,7 +384,7 @@ public class ExcelUtil<T>
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* @param row 单元格行
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* @param cell 类型单元格
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*/
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public void fillExcelData(int index, Row row, Cell cell)
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public void fillExcelData(int index, Row row)
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{
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int startNo = index * sheetSize;
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int endNo = Math.min(startNo + sheetSize, list.size());
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@ -407,13 +397,95 @@ public class ExcelUtil<T>
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row = sheet.createRow(i + 1 - startNo);
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// 得到导出对象.
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T vo = (T) list.get(i);
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for (int j = 0; j < fields.size(); j++)
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int excelsNo = 0;
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for (int column = 0; column < fields.size(); column++)
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{
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// 获得field.
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Field field = fields.get(j);
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Field field = fields.get(column);
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// 设置实体类私有属性可访问
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field.setAccessible(true);
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Excel attr = field.getAnnotation(Excel.class);
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if (field.isAnnotationPresent(Excel.class))
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{
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addCell(field.getAnnotation(Excel.class), row, vo, field, column, cs);
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}
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if (field.isAnnotationPresent(Excels.class))
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{
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Excels attrs = field.getAnnotation(Excels.class);
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Excel[] excels = attrs.value();
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Excel excel = excels[excelsNo++];
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addCell(excel, row, vo, field, column, cs);
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}
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}
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}
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}
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/**
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* 创建单元格
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*/
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public Cell createCell(Excel attr, Row row, int column)
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{
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// 创建列
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Cell cell = row.createCell(column);
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// 设置列中写入内容为String类型
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cell.setCellType(CellType.STRING);
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// 写入列名
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cell.setCellValue(attr.name());
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CellStyle cellStyle = createStyle(attr, row, column);
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cell.setCellStyle(cellStyle);
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return cell;
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}
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/**
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* 创建表格样式
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*/
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public CellStyle createStyle(Excel attr, Row row, int column)
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{
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CellStyle cellStyle = wb.createCellStyle();
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cellStyle.setAlignment(HorizontalAlignment.CENTER);
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cellStyle.setVerticalAlignment(VerticalAlignment.CENTER);
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if (attr.name().indexOf("注：") >= 0)
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{
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Font font = wb.createFont();
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font.setColor(HSSFFont.COLOR_RED);
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cellStyle.setFont(font);
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cellStyle.setFillForegroundColor(HSSFColorPredefined.YELLOW.getIndex());
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sheet.setColumnWidth(column, 6000);
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}
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else
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{
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Font font = wb.createFont();
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// 粗体显示
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font.setBold(true);
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// 选择需要用到的字体格式
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cellStyle.setFont(font);
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cellStyle.setFillForegroundColor(HSSFColorPredefined.LIGHT_YELLOW.getIndex());
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// 设置列宽
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sheet.setColumnWidth(column, (int) ((attr.width() + 0.72) * 256));
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row.setHeight((short) (attr.height() * 20));
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}
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cellStyle.setFillPattern(FillPatternType.SOLID_FOREGROUND);
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cellStyle.setWrapText(true);
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// 如果设置了提示信息则鼠标放上去提示.
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if (StringUtils.isNotEmpty(attr.prompt()))
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{
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// 这里默认设了2-101列提示.
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setXSSFPrompt(sheet, "", attr.prompt(), 1, 100, column, column);
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}
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// 如果设置了combo属性则本列只能选择不能输入
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if (attr.combo().length > 0)
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{
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// 这里默认设了2-101列只能选择不能输入.
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setXSSFValidation(sheet, attr.combo(), 1, 100, column, column);
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}
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return cellStyle;
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}
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/**
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* 添加单元格
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*/
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public Cell addCell(Excel attr, Row row, T vo, Field field, int column, CellStyle cs)
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{
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Cell cell = null;
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try
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{
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// 设置行高
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@ -422,14 +494,8 @@ public class ExcelUtil<T>
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if (attr.isExport())
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{
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// 创建cell
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cell = row.createCell(j);
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cell = row.createCell(column);
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cell.setCellStyle(cs);
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if (vo == null)
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{
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// 如果数据存在就填入,不存在填入空格.
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cell.setCellValue("");
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continue;
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}
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// 用于读取对象中的属性
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Object value = getTargetValue(vo, field, attr);
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@ -455,8 +521,7 @@ public class ExcelUtil<T>
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{
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log.error("导出Excel失败{}", e);
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}
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}
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}
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return cell;
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}
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/**
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@ -657,33 +722,39 @@ public class ExcelUtil<T>
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{
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this.fields = new ArrayList<Field>();
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List<Field> tempFields = new ArrayList<>();
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Class<?> tempClass = clazz;
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tempFields.addAll(Arrays.asList(clazz.getSuperclass().getDeclaredFields()));
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tempFields.addAll(Arrays.asList(clazz.getDeclaredFields()));
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while (tempClass != null)
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for (Field field : tempFields)
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{
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tempClass = tempClass.getSuperclass();
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if (tempClass != null)
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// 单注解
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if (field.isAnnotationPresent(Excel.class))
|
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{
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tempFields.addAll(Arrays.asList(tempClass.getDeclaredFields()));
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putToField(field, field.getAnnotation(Excel.class));
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}
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// 多注解
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|
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if (field.isAnnotationPresent(Excels.class))
|
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|
|
|
{
|
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|
|
|
Excels attrs = field.getAnnotation(Excels.class);
|
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|
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|
Excel[] excels = attrs.value();
|
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|
|
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for (Excel excel : excels)
|
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|
|
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{
|
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|
|
putToField(field, excel);
|
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|
|
}
|
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|
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|
}
|
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|
|
|
}
|
|
|
|
|
putToFields(tempFields);
|
|
|
|
|
}
|
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/**
|
|
|
|
|
* 放到字段集合中
|
|
|
|
|
*/
|
|
|
|
|
private void putToFields(List<Field> fields)
|
|
|
|
|
private void putToField(Field field, Excel attr)
|
|
|
|
|
{
|
|
|
|
|
for (Field field : fields)
|
|
|
|
|
{
|
|
|
|
|
Excel attr = field.getAnnotation(Excel.class);
|
|
|
|
|
if (attr != null && (attr.type() == Type.ALL || attr.type() == type))
|
|
|
|
|
{
|
|
|
|
|
this.fields.add(field);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
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|
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|
|
/**
|
|
|
|
|
* 创建一个工作簿
|
|
|
|
|
|
gcii
7 years ago