复杂Excel表头

package com.ruoyi.common.utils.poi;

import org.apache.poi.hssf.usermodel.*;
import org.apache.poi.ss.usermodel.*;
import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.xssf.usermodel.*;
import org.springframework.web.context.request.RequestAttributes;

import javax.servlet.http.HttpServletResponse;
import java.beans.PropertyDescriptor;
import java.io.OutputStream;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.net.URLEncoder;
import java.sql.Timestamp;
import java.text.SimpleDateFormat;
import java.util.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
*
* @author 通用导出 Excel 可以控制内容
* @name zengst
* @version 1.0
* 20200807
*/
public class ExportExcel {



/**
* 导出excel (HSSFWorkbook)
*/
public static void exportExcel(HttpServletResponse response) {

/** 第一步,创建一个Workbook,对应一个Excel文件 */
XSSFWorkbook wb = new XSSFWorkbook();

/** 第二步,在Workbook中添加一个sheet,对应Excel文件中的sheet */
XSSFSheet sheet = wb.createSheet("excel导出标题");

/** 第三步,设置样式以及字体样式*/
XSSFCellStyle titleStyle = createTitleCellStyle(wb);
XSSFCellStyle headerStyle = createHeadCellStyle(wb);
XSSFCellStyle contentStyle = createContentCellStyle(wb);

/** 第四步,创建标题 ,合并标题单元格 */
// 行号
int rowNum = 0;
// 创建第一页的第一行,索引从0开始
XSSFRow row0 = sheet.createRow(rowNum++);
row0.setHeight((short) 800);// 设置行高

String title = "excel导出标题";
XSSFCell c00 = row0.createCell(0);
c00.setCellValue(title);
c00.setCellStyle(titleStyle);
// 合并单元格,参数依次为起始行,结束行,起始列,结束列 (索引0开始)
sheet.addMergedRegion(new CellRangeAddress(0, 0, 0, 6));//标题合并单元格操作,6为总列数

// 第二行
XSSFRow row1 = sheet.createRow(rowNum++);
row1.setHeight((short) 500);
String[] row_first = {"填表单位:", "", "", "", "", " 2019年第2季度 ", ""};
for (int i = 0; i < row_first.length; i++) {
XSSFCell tempCell = row1.createCell(i);
tempCell.setCellStyle(headerStyle);
if (i == 0) {
tempCell.setCellValue(row_first[i] + "测试单位");
} else if (i == 5) {
tempCell.setCellStyle(headerStyle);
tempCell.setCellValue(row_first[i]);
} else {
tempCell.setCellValue(row_first[i]);
}
}

// 合并
sheet.addMergedRegion(new CellRangeAddress(1, 1, 0, 4));
sheet.addMergedRegion(new CellRangeAddress(1, 1, 5, 6));

//第三行
XSSFRow row2 = sheet.createRow(rowNum++);
row2.setHeight((short) 700);
String[] row_second = {"名称", "采集情况", "", "", "登记情况", "", "备注"};
for (int i = 0; i < row_second.length; i++) {
XSSFCell tempCell = row2.createCell(i);
tempCell.setCellValue(row_second[i]);
tempCell.setCellStyle(headerStyle);
}


// 合并
sheet.addMergedRegion(new CellRangeAddress(2, 3, 0, 0));//名称
sheet.addMergedRegion(new CellRangeAddress(2, 2, 1, 3));//人数情况
sheet.addMergedRegion(new CellRangeAddress(2, 2, 4, 5));//登记情况
sheet.addMergedRegion(new CellRangeAddress(2, 3, 6, 6));//备注

//第三行
XSSFRow row3 = sheet.createRow(rowNum++);
row3.setHeight((short) 700);
String[] row_third = {"", "登记数(人)", "办证总数(人)", "办证率(%)", "登记户数(户)", "签订数(份)", ""};
for (int i = 0; i < row_third.length; i++) {
XSSFCell tempCell = row3.createCell(i);
tempCell.setCellValue(row_third[i]);
tempCell.setCellStyle(headerStyle);
}

//循环每一行数据
List<Map<String, Object>> dataList = new ArrayList<Map<String, Object>>(); //查询出来的数据
Map<String,Object> map = new HashMap<String,Object>();
map.put("name", "测试名称1");
map.put("r1", "111");
map.put("r2", "222");
map.put("r3", "333");
map.put("r4", "444");
map.put("r5", "555");
map.put("r6", "666");
dataList.add(map);
dataList.add(map);//加多一条list

for (Map<String, Object> excelData : dataList) {
XSSFRow tempRow = sheet.createRow(rowNum++);
tempRow.setHeight((short) 500);
// 循环单元格填入数据
for (int j = 0; j < 7; j++) {
XSSFCell tempCell = tempRow.createCell(j);
tempCell.setCellStyle(contentStyle);
String tempValue;
if (j == 0) {
// 乡镇、街道名称
tempValue = excelData.get("name").toString();
} else if (j == 1) {
// 登记数(人)
tempValue = excelData.get("r1").toString();
} else if (j == 2) {
// 办证总数(人)
tempValue = excelData.get("r2").toString();
} else if (j == 3) {
// 办证率(%)
tempValue = excelData.get("r3").toString();
} else if (j == 4) {
// 登记户数(户)
tempValue = excelData.get("r4").toString();
} else if (j == 5) {
// 签订数(份)
tempValue = excelData.get("r5").toString();
} else {
// 备注
tempValue = excelData.get("r6").toString();
}
tempCell.setCellValue(tempValue);
}
}


// 注释行
XSSFRow remark = sheet.createRow(rowNum++);
remark.setHeight((short) 500);
String[] row_remark = {"注:表中的“办证率=办证总数÷登记数×100%”", "", "", "", "", "", ""};
for (int i = 0; i < row_remark.length; i++) {
XSSFCell tempCell = remark.createCell(i);
if (i == 0) {
tempCell.setCellStyle(headerStyle);
} else {
tempCell.setCellStyle(contentStyle);
}
tempCell.setCellValue(row_remark[i]);
}
int remarkRowNum = dataList.size() + 4;
sheet.addMergedRegion(new CellRangeAddress(remarkRowNum, remarkRowNum, 0, 6));//注释行合并单元格

// 尾行
XSSFRow foot = sheet.createRow(rowNum++);
foot.setHeight((short) 500);
String[] row_foot = {"审核人:", "", "填表人:", "", "填表时间:", "", ""};
for (int i = 0; i < row_foot.length; i++) {
XSSFCell tempCell = foot.createCell(i);
tempCell.setCellStyle(contentStyle);
if (i == 0) {
tempCell.setCellValue(row_foot[i] + "张三");
} else if (i == 2) {
tempCell.setCellValue(row_foot[i] + "李四");
} else if (i == 4) {
tempCell.setCellValue(row_foot[i] + "xxxx");
} else {
tempCell.setCellValue(row_foot[i]);
}
}
int footRowNum = dataList.size() + 5;
// 注
sheet.addMergedRegion(new CellRangeAddress(footRowNum, footRowNum, 0, 1));
sheet.addMergedRegion(new CellRangeAddress(footRowNum, footRowNum, 2, 3));
sheet.addMergedRegion(new CellRangeAddress(footRowNum, footRowNum, 4, 6));


//导出
String fileName = "报表名称.xlsx";

try {
fileName = new String(fileName.getBytes("UTF-8"), "ISO-8859-1");
response.setHeader("Content-disposition", "attachment;filename=\"" + fileName + "\"");
OutputStream stream = response.getOutputStream();
if (null != wb && null != stream) {
wb.write(stream);// 将数据写出去
wb.close();
stream.close();
}
} catch (Exception e) {
e.printStackTrace();
}

}
/**
* 创建标题样式
* @param wb
* @return
*/
private static XSSFCellStyle createTitleCellStyle(XSSFWorkbook wb) {
XSSFCellStyle cellStyle = wb.createCellStyle();
cellStyle.setAlignment(HorizontalAlignment.CENTER);//水平居中
cellStyle.setVerticalAlignment(VerticalAlignment.CENTER);//垂直对齐
cellStyle.setFillPattern(FillPatternType.SOLID_FOREGROUND);
cellStyle.setFillForegroundColor(IndexedColors.GREY_40_PERCENT.getIndex());//背景颜色

XSSFFont headerFont1 = (XSSFFont) wb.createFont(); // 创建字体样式
headerFont1.setBold(true); //字体加粗
headerFont1.setFontName("黑体"); // 设置字体类型
headerFont1.setFontHeightInPoints((short) 15); // 设置字体大小
cellStyle.setFont(headerFont1); // 为标题样式设置字体样式

return cellStyle;
}
/**
* 创建表头样式
* @param wb
* @return
*/
private static XSSFCellStyle createHeadCellStyle(XSSFWorkbook wb) {
XSSFCellStyle cellStyle = wb.createCellStyle();
cellStyle.setWrapText(true);// 设置自动换行
cellStyle.setFillForegroundColor(IndexedColors.GREY_25_PERCENT.getIndex());//背景颜色
cellStyle.setAlignment(HorizontalAlignment.CENTER); //水平居中
cellStyle.setVerticalAlignment(VerticalAlignment.CENTER); //垂直对齐
cellStyle.setFillPattern(FillPatternType.SOLID_FOREGROUND);
cellStyle.setBottomBorderColor(IndexedColors.BLACK.index);
cellStyle.setBorderBottom(BorderStyle.THIN); //下边框
cellStyle.setBorderLeft(BorderStyle.THIN); //左边框
cellStyle.setBorderRight(BorderStyle.THIN); //右边框
cellStyle.setBorderTop(BorderStyle.THIN); //上边框

XSSFFont headerFont = (XSSFFont) wb.createFont(); // 创建字体样式
headerFont.setBold(true); //字体加粗
headerFont.setFontName("黑体"); // 设置字体类型
headerFont.setFontHeightInPoints((short) 12); // 设置字体大小
cellStyle.setFont(headerFont); // 为标题样式设置字体样式

return cellStyle;
}
/**
* 创建内容样式
* @param wb
* @return
*/
private static XSSFCellStyle createContentCellStyle(XSSFWorkbook wb) {
XSSFCellStyle cellStyle = wb.createCellStyle();
cellStyle.setVerticalAlignment(VerticalAlignment.CENTER);// 垂直居中
cellStyle.setAlignment(HorizontalAlignment.CENTER);// 水平居中
cellStyle.setWrapText(true);// 设置自动换行
cellStyle.setBorderBottom(BorderStyle.THIN); //下边框
cellStyle.setBorderLeft(BorderStyle.THIN); //左边框
cellStyle.setBorderRight(BorderStyle.THIN); //右边框
cellStyle.setBorderTop(BorderStyle.THIN); //上边框

// 生成12号字体
XSSFFont font = wb.createFont();
font.setColor((short)8);
font.setFontHeightInPoints((short) 12);
cellStyle.setFont(font);

return cellStyle;
}
}
posted @ 2021-01-20 15:03  gykuang  阅读(202)  评论(0编辑  收藏  举报