poi导出excel

package org.easyinlab.overall.util;

import java.awt.image.BufferedImage;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.math.BigDecimal;
import java.text.SimpleDateFormat;

import javax.imageio.ImageIO;

import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.DataValidation;
import org.apache.poi.ss.usermodel.DataValidationConstraint;
import org.apache.poi.ss.usermodel.DataValidationHelper;
import org.apache.poi.ss.usermodel.Drawing;
import org.apache.poi.ss.usermodel.IndexedColors;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.ss.util.CellRangeAddressList;
import org.apache.poi.xssf.streaming.SXSSFSheet;
import org.apache.poi.xssf.streaming.SXSSFWorkbook;
import org.apache.poi.xssf.usermodel.XSSFCellStyle;
import org.apache.poi.xssf.usermodel.XSSFClientAnchor;
import org.apache.poi.xssf.usermodel.XSSFFont;
import org.apache.poi.xssf.usermodel.XSSFPatternFormatting;
import org.apache.poi.xssf.usermodel.XSSFRichTextString;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.easyinlab.biz.ZoomImage;

import com.sun.image.codec.jpeg.JPEGCodec;
import com.sun.image.codec.jpeg.JPEGEncodeParam;
import com.sun.image.codec.jpeg.JPEGImageEncoder;

public class ReadImg {

//    public static void main(String[] args) {
//
//        math.
//    }
public static void main(String[] args) {
FileOutputStream fos = null;
BufferedImage bufferImg = null;
XSSFWorkbook wb = null;
XSSFSheet sheet = null;
String[] audit = new String[] { "L", "Y", "N1", "N2", "N3" };
int rowaccess = 5;//内存中缓存记录行数
ZoomImage zi = new ZoomImage();
for (int i = 0; i < 1; i++) {
//创建工作簿
wb = new XSSFWorkbook();
//创建一个工作表sheet
sheet = wb.createSheet();
sheet.createFreezePane(1, 2, 2, 3);//冻结行列
sheet.protectSheet("123");//设置保护密码
XSSFCellStyle unlocked = wb.createCellStyle();
unlocked.setLocked(false);//设置不锁定
sheet.setPrintGridlines(true);
sheet.setColumnHidden(18, true);
sheet.setSelected(true);
((XSSFSheet) sheet).lockSelectLockedCells(true);//选中锁定单元格
//              设置下拉框
DataValidationHelper dvHelper = sheet.getDataValidationHelper();
DataValidationConstraint dvConstraint = dvHelper.createExplicitListConstraint(audit);
CellRangeAddressList addressList = new CellRangeAddressList(0, 65535, 17, 17);
DataValidation validation = dvHelper.createValidation(dvConstraint, addressList);
validation.setShowErrorBox(true);
sheet.addValidationData(validation);
// 设置列宽
sheet.setColumnWidth(0, 13 * 256);
sheet.setColumnWidth(1, 9 * 256);
sheet.setColumnWidth(2, 21 * 256);
sheet.setColumnWidth(3, 9 * 256);
sheet.setColumnWidth(4, 3500);
sheet.setColumnWidth(5,
c88e
3500);
sheet.setColumnWidth(6, 3500);
sheet.setColumnWidth(7, 10000);
sheet.setColumnWidth(8, 9 * 256);
sheet.setColumnWidth(9, 5 * 256);
sheet.setColumnWidth(10, 11 * 256);
sheet.setColumnWidth(11, 3500);
sheet.setColumnWidth(12, 21 * 256);
sheet.setColumnWidth(13, 11 * 256);
sheet.setColumnWidth(14, 3500);
sheet.setColumnWidth(15, 70 * 256);
sheet.setColumnWidth(16, 70 * 256);
sheet.setColumnWidth(17, 9 * 256);
sheet.setColumnWidth(18, 1 * 256);
XSSFCellStyle sheetStyle = wb.createCellStyle();
for (int x = 0; x <= 20; x++) {
sheet.setDefaultColumnStyle((short) x, sheetStyle);
}
// 设置字体
XSSFFont headfont = wb.createFont();
headfont.setFontName("黑体");
headfont.setFontHeightInPoints((short) 22);// 字体大小
headfont.setBoldweight(XSSFFont.BOLDWEIGHT_BOLD);// 加粗
//            头行格式
XSSFCellStyle headstyle = wb.createCellStyle();
headstyle.setFont(headfont);
headstyle.setAlignment(XSSFCellStyle.ALIGN_CENTER);// 左右居中
headstyle.setVerticalAlignment(XSSFCellStyle.VERTICAL_CENTER);// 上下居中
headstyle.setLocked(false);
headstyle.setWrapText(true);// 自动换行
//              头行内容
Row row0 = sheet.createRow(0);
row0.setHeight((short) (0));
Cell cell0 = row0.createCell(0);
cell0.setCellValue(new XSSFRichTextString("光明培儿贝瑞H5活动"));
cell0.setCellStyle(headstyle);
CellRangeAddress range = new CellRangeAddress(0, 0, 0, 20);
sheet.addMergedRegion(range);
Row row1 = sheet.createRow(1);
row1.setHeight((short) (750));
Cell cell = row1.createCell(0);
cell.setCellValue(new XSSFRichTextString("电话"));
cell = row1.createCell(1);
cell.setCellValue(new XSSFRichTextString("宝宝姓名"));
cell = row1.createCell(2);
cell.setCellValue(new XSSFRichTextString("报名时间"));
cell = row1.createCell(3);
cell.setCellValue(new XSSFRichTextString("省/直辖市"));
cell = row1.createCell(4);
cell.setCellValue(new XSSFRichTextString("二级市"));
cell = row1.createCell(5);
cell.setCellValue(new XSSFRichTextString("镇/区"));
cell = row1.createCell(6);
cell.setCellValue(new XSSFRichTextString("县/街道"));
cell = row1.createCell(7);
cell.setCellValue(new XSSFRichTextString("地址"));
cell = row1.createCell(8);
cell.setCellValue(new XSSFRichTextString("妈妈状态"));
cell = row1.createCell(9);
cell.setCellValue(new XSSFRichTextString("性别"));
cell = row1.createCell(10);
cell.setCellValue(new XSSFRichTextString("出生年月"));
cell = row1.createCell(11);
cell.setCellValue(new XSSFRichTextString("出生证编号"));
cell = row1.createCell(12);
cell.setCellValue(new XSSFRichTextString("发送时间"));
cell = row1.createCell(13);
cell.setCellValue(new XSSFRichTextString("预产期"));
cell = row1.createCell(14);
cell.setCellValue(new XSSFRichTextString("大卡编号"));
cell = row1.createCell(15);
cell.setCellValue(new XSSFRichTextString("pic1"));
cell = row1.createCell(16);
cell.setCellValue(new XSSFRichTextString("pic2"));
cell = row1.createCell(17);
cell.setCellValue(new XSSFRichTextString("审核状态"));
cell = row1.createCell(18);
cell.setCellValue(new XSSFRichTextString("22222222222222222222222"));

//追加数据

SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
//            背景色
XSSFCellStyle style = wb.createCellStyle();
style.setFillPattern(XSSFPatternFormatting.FINE_DOTS);
style.setFillForegroundColor(IndexedColors.GREY_25_PERCENT.getIndex());
for (int j = 0; j < 500; j++) {
Row row = sheet.createRow(j + 2);
row.setHeight((short) (6000));
//System.out.println(batch.get(j).getCreatTime());
cell = row.createCell(0);
cell.setCellValue("12345678901");
cell = row.createCell(1);
cell.setCellValue("张三");
cell = row.createCell(2);
cell.setCellValue("");
cell = row.createCell(3);
cell.setCellValue("江苏省");
cell = row.createCell(4);
cell.setCellValue("宿迁市");
cell = row.createCell(5);
cell.setCellValue("泗阳县");
cell = row.createCell(6);
cell.setCellValue("王集镇");
cell = row.createCell(7);
cell.setCellValue("115号103");
cell = row.createCell(8);
cell.setCellValue("宝妈");

cell = row.createCell(9);
cell.setCellValue("男");
cell = row.createCell(10);
cell.setCellValue("2000-01-01");
cell = row.createCell(11);
cell.setCellValue("utf-87654");
cell = row.createCell(12);

cell.setCellValue("2017-06-07");

cell = row.createCell(13);
cell.setCellValue("");
cell.setCellStyle(style);
cell = row.createCell(14);
cell.setCellValue("");
cell.setCellStyle(style);
File file = new File("E:/222.jpg");
if (!file.exists()) {
}
double f = Math.random()*0.4+0.1;
/* BigDecimal b = new BigDecimal(f);
double f1 = b.setScale(1, BigDecimal.ROUND_HALF_UP).doubleValue();*/
BufferedImage pic = zi.zoomImage(file, (float)f);
FileOutputStream newimage = null;
try {
/*输出到文件流*/
newimage = new FileOutputStream("E:/123.jpg");
JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(newimage);
JPEGEncodeParam jep = JPEGCodec.getDefaultJPEGEncodeParam(pic);
/* 压缩质量 */
jep.setQuality((float) f, true);
encoder.encode(pic, jep);
/*近JPEG编码*/

cell = row.createCell(15);
File file2 = new File("E:/123.jpg");
ByteArrayOutputStream byteArrayOut1 = new ByteArrayOutputStream();
bufferImg = ImageIO.read(file2);
bufferImg.getHeight();

ImageIO.write(bufferImg, "jpg", byteArrayOut1);
//画图的顶级管理器，一个sheet只能获取一个（一定要注意这点）
Drawing patriarch1 = sheet.createDrawingPatriarch();
//anchor主要用
XSSFClientAnchor anchor1 = null;
/*       if (bufferImg.getWidth() > bufferImg.getHeight()) {

anchor1 = new XSSFClientAnchor(5, 5, 0, 0, (short) 15, (j + 2), (short) 16,
(j + 3));
} else {
anchor1 = new XSSFClientAnchor(250, 5, 0, 0, (short) 15, (j + 2),
(short) 16, (j + 3));
}*/
anchor1 = new XSSFClientAnchor(bufferImg.getWidth(), bufferImg.getHeight(), 0, 0, (short) 15, (j + 2),
(short) 16, (j + 3));
//插入图片
patriarch1.createPicture(anchor1,
wb.addPicture(byteArrayOut1.toByteArray(), XSSFWorkbook.PICTURE_TYPE_JPEG));

cell = row.createCell(16);

ByteArrayOutputStream byteArrayOut2 = new ByteArrayOutputStream();
bufferImg = pic;
ImageIO.write(bufferImg, "jpg", byteArrayOut2);
Drawing patriarch2 = sheet.createDrawingPatriarch();
XSSFClientAnchor anchor2 = null;
/* if (bufferImg.getWidth() > bufferImg.getHeight()) {
anchor2 = new XSSFClientAnchor(5, 5, 0, 0, (short) 16, (j + 2), (short) 17,
(j + 3));
} else {
anchor2 = new XSSFClientAnchor(250, 5, 0, 0, (short) 16, (j + 2),
(short) 17, (j + 3));
}*/
anchor2 = new XSSFClientAnchor(bufferImg.getWidth(), bufferImg.getHeight(), bufferImg.getWidth(), bufferImg.getHeight(), (short) 16, (j + 2),
(short) 17, (j + 3));
patriarch2.createPicture(anchor2,
wb.addPicture(byteArrayOut2.toByteArray(), XSSFWorkbook.PICTURE_TYPE_JPEG));

cell = row.createCell(17);

cell.setCellStyle(unlocked);
//每当行数达到设置的值就刷新数据到硬盘,以清理内存
if (j != 0) {
if (j % rowaccess == 0) {
SXSSFWorkbook sw = new SXSSFWorkbook();
SXSSFSheet sheet1 = new SXSSFSheet(sw, sheet);
sheet1.flushRows();
}
}

} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}finally {
try {
newimage.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}

}
// 写入excel文件
try {
fos = new FileOutputStream("E:/2.xlsx");
wb.write(fos);
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}

}
}