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jeesite1.2.7 导出 excel- 复合表头

本贴最后更新于 2008 天前，其中的信息可能已经沧海桑田

前言

1.jeesite 自带的 excel 工具类默认导出一行表头

2.统计业务属性过多,全部导出一行表头,数据冗余

image.png

3.工具类扩展后,导出复合表头

image.png

正文

1.@ExcelField 注解扩展属性:subtitle

/**
 * Copyright &copy; 2012-2016 <a href="https://github.com/thinkgem/jeesite">JeeSite</a> All rights reserved.
 */
package com.thinkgem.jeesite.common.utils.excel.annotation;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * Excel注解定义
 * @author ThinkGem
 * @version 2013-03-10
 */
@Target({ElementType.METHOD, ElementType.FIELD, ElementType.TYPE})
@Retention(RetentionPolicy.RUNTIME)
public @interface ExcelField {

	/**
	 * 导出字段名（默认调用当前字段的“get”方法，如指定导出字段为对象，请填写“对象名.对象属性”，例：“area.name”、“office.name”）
	 */
	String value() default "";
	
	/**
	 * 导出字段标题（需要添加批注请用“**”分隔，标题**批注，仅对导出模板有效）
	 */
	String title();
	
	/**
	 * 导出字段子标题(复合表头专用)
	 */
	String subtitle() default "";
	
	/**
	 * 字段类型（0：导出导入；1：仅导出；2：仅导入）
	 */
	int type() default 0;

	/**
	 * 导出字段对齐方式（0：自动；1：靠左；2：居中；3：靠右）
	 */
	int align() default 0;
	
	/**
	 * 导出字段字段排序（升序）
	 */
	int sort() default 0;

	/**
	 * 如果是字典类型，请设置字典的type值
	 */
	String dictType() default "";
	
	/**
	 * 反射类型
	 */
	Class<?> fieldType() default Class.class;
	
	/**
	 * 字段归属组（根据分组导出导入）
	 */
	int[] groups() default {};
}
​

2.ExportExcel 工具类扩展(扩展代码-注释查找 复合表头扩展)

/**
 * Copyright &copy; 2012-2016 <a href="https://github.com/thinkgem/jeesite">JeeSite</a> All rights reserved.
 */
package com.thinkgem.jeesite.common.utils.excel;

import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.Collections;
import java.util.Comparator;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.servlet.http.HttpServletResponse;

import org.apache.commons.lang3.StringUtils;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.CellStyle;
import org.apache.poi.ss.usermodel.Comment;
import org.apache.poi.ss.usermodel.Font;
import org.apache.poi.ss.usermodel.IndexedColors;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.xssf.streaming.SXSSFWorkbook;
import org.apache.poi.xssf.usermodel.XSSFClientAnchor;
import org.apache.poi.xssf.usermodel.XSSFRichTextString;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.google.common.collect.Lists;
import com.thinkgem.jeesite.common.utils.Encodes;
import com.thinkgem.jeesite.common.utils.Reflections;
import com.thinkgem.jeesite.common.utils.excel.annotation.ExcelField;
import com.thinkgem.jeesite.modules.sys.utils.DictUtils;

/**
 * 导出Excel文件（导出“XLSX”格式，支持大数据量导出   @see org.apache.poi.ss.SpreadsheetVersion）
 * @author ThinkGem
 * @version 2013-04-21
 */
public class ExportExcel {
	
	private static Logger log = LoggerFactory.getLogger(ExportExcel.class);
			
	/**
	 * 工作薄对象
	 */
	private SXSSFWorkbook wb;
	
	/**
	 * 工作表对象
	 */
	private Sheet sheet;
	
	/**
	 * 样式列表
	 */
	private Map<String, CellStyle> styles;
	
	/**
	 * 当前行号
	 */
	private int rownum;
	
	/**
	 * 注解列表（Object[]{ ExcelField, Field/Method }）
	 */
	List<Object[]> annotationList = Lists.newArrayList();
	
	/**
	 * 构造函数
	 * @param title 表格标题，传“空值”，表示无标题
	 * @param cls 实体对象，通过annotation.ExportField获取标题
	 */
	public ExportExcel(String title, Class<?> cls){
		this(title, cls, 1);
	}
	
	/**
	 * 构造函数
	 * @param title 表格标题，传“空值”，表示无标题
	 * @param cls 实体对象，通过annotation.ExportField获取标题
	 * @param type 导出类型（1:导出数据；2：导出模板）
	 * @param groups 导入分组
	 */
	public ExportExcel(String title, Class<?> cls, int type, int... groups){
		// Get annotation field 
		Field[] fs = cls.getDeclaredFields();
		for (Field f : fs){
			ExcelField ef = f.getAnnotation(ExcelField.class);
			if (ef != null && (ef.type()==0 || ef.type()==type)){
				if (groups!=null && groups.length>0){
					boolean inGroup = false;
					for (int g : groups){
						if (inGroup){
							break;
						}
						for (int efg : ef.groups()){
							if (g == efg){
								inGroup = true;
								annotationList.add(new Object[]{ef, f});
								break;
							}
						}
					}
				}else{
					annotationList.add(new Object[]{ef, f});
				}
			}
		}
		// Get annotation method
		Method[] ms = cls.getDeclaredMethods();
		for (Method m : ms){
			ExcelField ef = m.getAnnotation(ExcelField.class);
			if (ef != null && (ef.type()==0 || ef.type()==type)){
				if (groups!=null && groups.length>0){
					boolean inGroup = false;
					for (int g : groups){
						if (inGroup){
							break;
						}
						for (int efg : ef.groups()){
							if (g == efg){
								inGroup = true;
								annotationList.add(new Object[]{ef, m});
								break;
							}
						}
					}
				}else{
					annotationList.add(new Object[]{ef, m});
				}
			}
		}
		// Field sorting
		Collections.sort(annotationList, new Comparator<Object[]>() {
			public int compare(Object[] o1, Object[] o2) {
				return new Integer(((ExcelField)o1[0]).sort()).compareTo(
						new Integer(((ExcelField)o2[0]).sort()));
			};
		});
		// Initialize
		List<String> headerList = Lists.newArrayList();

		//复合表头扩展-定义集合
		List<String> subheaderList = Lists.newArrayList();

		for (Object[] os : annotationList){
			String t = ((ExcelField)os[0]).title();
			// 如果是导出，则去掉注释
			if (type==1){
				String[] ss = StringUtils.split(t, "**", 2);
				if (ss.length==2){
					t = ss[0];
				}
			}
			headerList.add(t);

			//复合表头扩展-子标题处理
			String subt = ((ExcelField)os[0]).subtitle();
			if(subt!=null&&!subt.equals("")){
				subheaderList.add(subt);
			}
		}
		
		//复合表头扩展-判断初始化
		if(subheaderList.size()==0){
			initialize(title, headerList);
		}else{
			initialize(title, headerList,subheaderList);
		}
	}
	
	/**
	 * 构造函数
	 * @param title 表格标题，传“空值”，表示无标题
	 * @param headers 表头数组
	 */
	public ExportExcel(String title, String[] headers) {
		initialize(title, Lists.newArrayList(headers));
	}
	
	/**
	 * 构造函数
	 * @param title 表格标题，传“空值”，表示无标题
	 * @param headerList 表头列表
	 */
	public ExportExcel(String title, List<String> headerList) {
		initialize(title, headerList);
	}
	
	/**
	 * 初始化函数
	 * @param title 表格标题，传“空值”，表示无标题
	 * @param headerList 表头列表
	 */
	private void initialize(String title, List<String> headerList) {
		this.wb = new SXSSFWorkbook(500);
		this.sheet = wb.createSheet(title);
		this.styles = createStyles(wb);
		// Create title
		if (StringUtils.isNotBlank(title)){
			Row titleRow = sheet.createRow(rownum++);
			titleRow.setHeightInPoints(30);
			Cell titleCell = titleRow.createCell(0);
			titleCell.setCellStyle(styles.get("title"));
			titleCell.setCellValue(title);
			sheet.addMergedRegion(new CellRangeAddress(titleRow.getRowNum(),
					titleRow.getRowNum(), titleRow.getRowNum(), headerList.size()-1));
		}
		// Create header
		if (headerList == null){
			throw new RuntimeException("headerList not null!");
		}
		Row headerRow = sheet.createRow(rownum++);
		headerRow.setHeightInPoints(16);
		for (int i = 0; i < headerList.size(); i++) {
			Cell cell = headerRow.createCell(i);
			cell.setCellStyle(styles.get("header"));
			String[] ss = StringUtils.split(headerList.get(i), "**", 2);
			if (ss.length==2){
				cell.setCellValue(ss[0]);
				Comment comment = this.sheet.createDrawingPatriarch().createCellComment(
						new XSSFClientAnchor(0, 0, 0, 0, (short) 3, 3, (short) 5, 6));
				comment.setString(new XSSFRichTextString(ss[1]));
				cell.setCellComment(comment);
			}else{
				cell.setCellValue(headerList.get(i));
			}
			sheet.autoSizeColumn(i);
		}
		for (int i = 0; i < headerList.size(); i++) {  
			int colWidth = sheet.getColumnWidth(i)*2;
	        sheet.setColumnWidth(i, colWidth < 3000 ? 3000 : colWidth);  
		}
		log.debug("Initialize success.");
	}
	
	/**
	 * 复合表头扩展-初始化函数
	 * @param title 表格标题，传“空值”，表示无标题
	 * @param headerList 表头列表
	 * @param subheaderList 子表头列表
	 */
	private void initialize(String title, List<String> headerList,List<String> subheaderList) {
		this.wb = new SXSSFWorkbook(500);
		this.sheet = wb.createSheet(title);
		this.styles = createStyles(wb);
		// Create title
		if (StringUtils.isNotBlank(title)){
			Row titleRow = sheet.createRow(rownum++);
			titleRow.setHeightInPoints(30);
			Cell titleCell = titleRow.createCell(0);
			titleCell.setCellStyle(styles.get("title"));
			titleCell.setCellValue(title);
			sheet.addMergedRegion(new CellRangeAddress(titleRow.getRowNum(),
					titleRow.getRowNum(), titleRow.getRowNum(), headerList.size()-1));
		}
		// Create header
		if (headerList == null){
			throw new RuntimeException("headerList not null!");
		}
		Row headerRow = sheet.createRow(rownum++);
		headerRow.setHeightInPoints(16);
		for (int i = 0; i < headerList.size(); i++) {
			Cell cell = headerRow.createCell(i);
			cell.setCellStyle(styles.get("composite_header"));
			String[] ss = StringUtils.split(headerList.get(i), "**", 2);
			if (ss.length==2){
				cell.setCellValue(ss[0]);
				Comment comment = this.sheet.createDrawingPatriarch().createCellComment(
						new XSSFClientAnchor(0, 0, 0, 0, (short) 3, 3, (short) 5, 6));
				comment.setString(new XSSFRichTextString(ss[1]));
				cell.setCellComment(comment);
			}else{
				cell.setCellValue(headerList.get(i));
			}
			sheet.autoSizeColumn(i);
		}
		for (int i = 0; i < headerList.size(); i++) {  
			int colWidth = sheet.getColumnWidth(i)*2;
	        sheet.setColumnWidth(i, colWidth < 3000 ? 3000 : colWidth);  
		}
		log.debug("Initialize success.");
		
		// Create subheader
		if (subheaderList == null || subheaderList.size()==0){
			return;
		}
		Row subheaderRow = sheet.createRow(rownum++);
		subheaderRow.setHeightInPoints(16);
		for (int i = 0; i < subheaderList.size(); i++) {
			Cell cell = subheaderRow.createCell(i);
			cell.setCellStyle(styles.get("composite_header"));
			cell.setCellValue(subheaderList.get(i));
			sheet.autoSizeColumn(i);
		}
		for (int i = 0; i < subheaderList.size(); i++) {  
			int colWidth = sheet.getColumnWidth(i)*2;
	        sheet.setColumnWidth(i, colWidth < 3000 ? 3000 : colWidth);  
		}
		log.debug("Initialize success.");
	}

	/**
	 * 创建表格样式
	 * @param wb 工作薄对象
	 * @return 样式列表
	 */
	private Map<String, CellStyle> createStyles(Workbook wb) {
		Map<String, CellStyle> styles = new HashMap<String, CellStyle>();
		
		CellStyle style = wb.createCellStyle();
		style.setAlignment(CellStyle.ALIGN_CENTER);
		style.setVerticalAlignment(CellStyle.VERTICAL_CENTER);
		Font titleFont = wb.createFont();
		titleFont.setFontName("Arial");
		titleFont.setFontHeightInPoints((short) 16);
		titleFont.setBoldweight(Font.BOLDWEIGHT_BOLD);
		style.setFont(titleFont);
		styles.put("title", style);

		style = wb.createCellStyle();
		style.setVerticalAlignment(CellStyle.VERTICAL_CENTER);
		style.setBorderRight(CellStyle.BORDER_THIN);
		style.setRightBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
		style.setBorderLeft(CellStyle.BORDER_THIN);
		style.setLeftBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
		style.setBorderTop(CellStyle.BORDER_THIN);
		style.setTopBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
		style.setBorderBottom(CellStyle.BORDER_THIN);
		style.setBottomBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
		Font dataFont = wb.createFont();
		dataFont.setFontName("Arial");
		dataFont.setFontHeightInPoints((short) 10);
		style.setFont(dataFont);
		styles.put("data", style);
		
		style = wb.createCellStyle();
		style.cloneStyleFrom(styles.get("data"));
		style.setAlignment(CellStyle.ALIGN_LEFT);
		styles.put("data1", style);

		style = wb.createCellStyle();
		style.cloneStyleFrom(styles.get("data"));
		style.setAlignment(CellStyle.ALIGN_CENTER);
		styles.put("data2", style);

		style = wb.createCellStyle();
		style.cloneStyleFrom(styles.get("data"));
		style.setAlignment(CellStyle.ALIGN_RIGHT);
		styles.put("data3", style);
		
		style = wb.createCellStyle();
		style.cloneStyleFrom(styles.get("data"));
//		style.setWrapText(true);
		style.setAlignment(CellStyle.ALIGN_CENTER);
		style.setFillForegroundColor(IndexedColors.GREY_50_PERCENT.getIndex());
		style.setFillPattern(CellStyle.SOLID_FOREGROUND);
		Font headerFont = wb.createFont();
		headerFont.setFontName("Arial");
		headerFont.setFontHeightInPoints((short) 10);
		headerFont.setBoldweight(Font.BOLDWEIGHT_BOLD);
		headerFont.setColor(IndexedColors.WHITE.getIndex());
		style.setFont(headerFont);
		styles.put("header", style);

		//复合表头扩展-样式
		style = wb.createCellStyle();
		style.cloneStyleFrom(styles.get("data"));
//		style.setWrapText(true);
		style.setAlignment(CellStyle.ALIGN_CENTER);
		style.setFillForegroundColor(IndexedColors.GREY_40_PERCENT.getIndex());
		style.setFillPattern(CellStyle.SOLID_FOREGROUND);
		Font compositeHeaderFont = wb.createFont();
		compositeHeaderFont.setFontName("Arial");
		compositeHeaderFont.setFontHeightInPoints((short) 10);
		compositeHeaderFont.setBoldweight(Font.BOLDWEIGHT_BOLD);
		compositeHeaderFont.setColor(IndexedColors.WHITE.getIndex());
		style.setFont(compositeHeaderFont);
		styles.put("composite_header", style);
		
		return styles;
	}

	/**
	 * 添加一行
	 * @return 行对象
	 */
	public Row addRow(){
		return sheet.createRow(rownum++);
	}
	

	/**
	 * 添加一个单元格
	 * @param row 添加的行
	 * @param column 添加列号
	 * @param val 添加值
	 * @return 单元格对象
	 */
	public Cell addCell(Row row, int column, Object val){
		return this.addCell(row, column, val, 0, Class.class);
	}
	
	/**
	 * 添加一个单元格
	 * @param row 添加的行
	 * @param column 添加列号
	 * @param val 添加值
	 * @param align 对齐方式（1：靠左；2：居中；3：靠右）
	 * @return 单元格对象
	 */
	public Cell addCell(Row row, int column, Object val, int align, Class<?> fieldType){
		Cell cell = row.createCell(column);
		String cellFormatString = "@";
		try {
			if(val == null){
				cell.setCellValue("");
			}else if(fieldType != Class.class){
				cell.setCellValue((String)fieldType.getMethod("setValue", Object.class).invoke(null, val));
			}else{
				if(val instanceof String) {
					cell.setCellValue((String) val);
				}else if(val instanceof Integer) {
					cell.setCellValue((Integer) val);
					cellFormatString = "0";
				}else if(val instanceof Long) {
					cell.setCellValue((Long) val);
					cellFormatString = "0";
				}else if(val instanceof Double) {
					cell.setCellValue((Double) val);
					cellFormatString = "0.00";
				}else if(val instanceof Float) {
					cell.setCellValue((Float) val);
					cellFormatString = "0.00";
				}else if(val instanceof Date) {
					cell.setCellValue((Date) val);
					cellFormatString = "yyyy-MM-dd HH:mm";
				}else {
					cell.setCellValue((String)Class.forName(this.getClass().getName().replaceAll(this.getClass().getSimpleName(), 
						"fieldtype."+val.getClass().getSimpleName()+"Type")).getMethod("setValue", Object.class).invoke(null, val));
				}
			}
			if (val != null){
				CellStyle style = styles.get("data_column_"+column);
				if (style == null){
					style = wb.createCellStyle();
					style.cloneStyleFrom(styles.get("data"+(align>=1&&align<=3?align:"")));
			        style.setDataFormat(wb.createDataFormat().getFormat(cellFormatString));
					styles.put("data_column_" + column, style);
				}
				cell.setCellStyle(style);
			}
		} catch (Exception ex) {
			log.info("Set cell value ["+row.getRowNum()+","+column+"] error: " + ex.toString());
			cell.setCellValue(val.toString());
		}
		return cell;
	}

	/**
	 * 添加数据（通过annotation.ExportField添加数据）
	 * @return list 数据列表
	 */
	public <E> ExportExcel setDataList(List<E> list){
		for (E e : list){
			int colunm = 0;
			Row row = this.addRow();
			StringBuilder sb = new StringBuilder();
			for (Object[] os : annotationList){
				ExcelField ef = (ExcelField)os[0];
				Object val = null;
				// Get entity value
				try{
					if (StringUtils.isNotBlank(ef.value())){
						val = Reflections.invokeGetter(e, ef.value());
					}else{
						if (os[1] instanceof Field){
							val = Reflections.invokeGetter(e, ((Field)os[1]).getName());
						}else if (os[1] instanceof Method){
							val = Reflections.invokeMethod(e, ((Method)os[1]).getName(), new Class[] {}, new Object[] {});
						}
					}
					// If is dict, get dict label
					if (StringUtils.isNotBlank(ef.dictType())){
						val = DictUtils.getDictLabel(val==null?"":val.toString(), ef.dictType(), "");
					}
				}catch(Exception ex) {
					// Failure to ignore
					log.info(ex.toString());
					val = "";
				}
				this.addCell(row, colunm++, val, ef.align(), ef.fieldType());
				sb.append(val + ", ");
			}
			log.debug("Write success: ["+row.getRowNum()+"] "+sb.toString());
		}
		return this;
	}
	
	/**
	 * 输出数据流
	 * @param os 输出数据流
	 */
	public ExportExcel write(OutputStream os) throws IOException{
		wb.write(os);
		return this;
	}
	
	/**
	 * 输出到客户端
	 * @param fileName 输出文件名
	 */
	public ExportExcel write(HttpServletResponse response, String fileName) throws IOException{
		response.reset();
        response.setContentType("application/octet-stream; charset=utf-8");
        response.setHeader("Content-Disposition", "attachment; filename="+Encodes.urlEncode(fileName));
		write(response.getOutputStream());
		return this;
	}
	
	/**
	 * 输出到文件
	 * @param fileName 输出文件名
	 */
	public ExportExcel writeFile(String name) throws FileNotFoundException, IOException{
		FileOutputStream os = new FileOutputStream(name);
		this.write(os);
		return this;
	}
	
	/**
	 * 清理临时文件
	 */
	public ExportExcel dispose(){
		wb.dispose();
		return this;
	}
	
	
	/**
	 * 复合表头扩展-合并单元格
	 * @param param
	 * @return
	 */
	public ExportExcel mergeCell(List<String> param){
		for (int i = 0; i < param.size(); i++) {
			String[] temp = param.get(i).split(",");
			Integer startrow = Integer.parseInt(temp[0]);	//起始行(下标)
			Integer overrow = Integer.parseInt(temp[1]);	//结束行(下标)
			Integer startcol = Integer.parseInt(temp[2]);	//起始列(下标)
			Integer overcol = Integer.parseInt(temp[3]);	//结束列(下标)
			this.sheet.addMergedRegion(new CellRangeAddress(startrow, overrow,startcol, overcol));
		}
		return this;
	}


//	/**
//	 * 导出测试
//	 */
//	public static void main(String[] args) throws Throwable {
//		
//		List<String> headerList = Lists.newArrayList();
//		for (int i = 1; i <= 10; i++) {
//			headerList.add("表头"+i);
//		}
//		
//		List<String> dataRowList = Lists.newArrayList();
//		for (int i = 1; i <= headerList.size(); i++) {
//			dataRowList.add("数据"+i);
//		}
//		
//		List<List<String>> dataList = Lists.newArrayList();
//		for (int i = 1; i <=1000000; i++) {
//			dataList.add(dataRowList);
//		}
//
//		ExportExcel ee = new ExportExcel("表格标题", headerList);
//		
//		for (int i = 0; i < dataList.size(); i++) {
//			Row row = ee.addRow();
//			for (int j = 0; j < dataList.get(i).size(); j++) {
//				ee.addCell(row, j, dataList.get(i).get(j));
//			}
//		}
//		
//		ee.writeFile("target/export.xlsx");
//
//		ee.dispose();
//		
//		log.debug("Export success.");
//		
//	}

}
​

3.实体类 PayInfo

package com.thinkgem.jeesite.modules.demo.entity;

import com.thinkgem.jeesite.common.utils.excel.annotation.ExcelField;

public class PayInfo {
	private String	date;		//时间
	private Integer jdCount;	//订单数量-京东
	private Integer tbCount;	//订单数量-淘宝
	private Integer pddCount;	//订单数量-拼多多
	
	private String jdMoney;		//总金额-京东
	private String tbMoney;		//总金额-淘宝
	private String pddMoney;	//总金额-拼多多
	
	@ExcelField(title="时间",subtitle="时间", align=1,sort=1)
	public String getDate() {
		return date;
	}
	public void setDate(String date) {
		this.date = date;
	}
	@ExcelField(title="订单数量",subtitle="京东", align=1,sort=2)
	public Integer getJdCount() {
		return jdCount;
	}
	public void setJdCount(Integer jdCount) {
		this.jdCount = jdCount;
	}
	@ExcelField(title="订单数量",subtitle="淘宝", align=1,sort=3)
	public Integer getTbCount() {
		return tbCount;
	}
	public void setTbCount(Integer tbCount) {
		this.tbCount = tbCount;
	}
	@ExcelField(title="订单数量",subtitle="拼多多", align=1,sort=4)
	public Integer getPddCount() {
		return pddCount;
	}
	public void setPddCount(Integer pddCount) {
		this.pddCount = pddCount;
	}
	@ExcelField(title="总金额",subtitle="京东", align=1,sort=5)
	public String getJdMoney() {
		return jdMoney;
	}
	public void setJdMoney(String jdMoney) {
		this.jdMoney = jdMoney;
	}
	@ExcelField(title="总金额",subtitle="淘宝", align=1,sort=6)
	public String getTbMoney() {
		return tbMoney;
	}
	public void setTbMoney(String tbMoney) {
		this.tbMoney = tbMoney;
	}
	@ExcelField(title="总金额",subtitle="拼多多", align=1,sort=7)
	public String getPddMoney() {
		return pddMoney;
	}
	public void setPddMoney(String pddMoney) {
		this.pddMoney = pddMoney;
	}
	@Override
	public String toString() {
		return "PayInfo [date=" + date + ", jdCount=" + jdCount + ", tbCount=" + tbCount + ", pddCount=" + pddCount
				+ ", jdMoney=" + jdMoney + ", tbMoney=" + tbMoney + ", pddMoney=" + pddMoney + "]";
	}
	
}

​

4.控制器 controller

package com.thinkgem.jeesite.modules.demo.web;

import java.util.ArrayList;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;
import com.thinkgem.jeesite.common.utils.excel.ExportExcel;
import com.thinkgem.jeesite.common.web.BaseController;
import com.thinkgem.jeesite.modules.demo.entity.PayInfo;
/**
 * 导出复合表头-控制器
 * @author pengzai
 *
 */
@Controller
@RequestMapping(value = "${adminPath}/pay")
public class PayInfoController extends BaseController{
	
	/**
	 * 导出报表数据
	 * @param pharmacyPay
	 * @param request
	 * @param response
	 * @param redirectAttributes
	 * @return
	 */
    @RequestMapping(value = "export")
    public String export(HttpServletRequest request, HttpServletResponse response, RedirectAttributes redirectAttributes) {
		try {
    		
			//定义文件名
			String fileName = "复合表头统计.xlsx";
			
    		//初始化excel
    		ExportExcel excel = new ExportExcel("线上消费统计", PayInfo.class);
    		
    		//合并表头单元格
    		List<String> mergeCell = new ArrayList<String>();
    		mergeCell.add("1,2,0,0");	//时间
    		mergeCell.add("1,1,1,3");	//订单数量
    		mergeCell.add("1,1,4,6");	//总金额
    		excel.mergeCell(mergeCell);
    		
    		//表格数据-这里做测试,直接写死
    		List<PayInfo> list = new ArrayList<PayInfo>();
    		PayInfo item1=new PayInfo("2019-11-08", 1, 2, 3, "100", "200", "300");
    		PayInfo item2=new PayInfo("2019-11-09", 1, 2, 3, "100", "200", "300");
    		list.add(item1);
    		list.add(item2);
    		
    		//数据写入excel,并下载
    		excel.setDataList(list).write(response, fileName).dispose();
    		return null;
		} catch (Exception e) {
			e.printStackTrace();
			addMessage(redirectAttributes, "导出失败！失败信息："+e.getMessage());
		}
		return "";
    }


}
​
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