forked from integrated_whb/integrated_whb
170 lines
5.5 KiB
Java
170 lines
5.5 KiB
Java
package com.zcloud.util;
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import com.zcloud.entity.PageData;
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import org.apache.poi.hssf.usermodel.*;
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import org.apache.poi.ss.usermodel.HorizontalAlignment;
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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.springframework.web.servlet.view.document.AbstractXlsView;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import java.util.Date;
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import java.util.List;
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import java.util.Map;
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/**
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* 说明:导出到EXCEL(图片压缩)
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* 作者:luoxiaobao
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* 官网:www.qdkjchina.com
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*/
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public class HiddenExcelCompressImg extends AbstractXlsView{
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@Override
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protected void buildExcelDocument(Map<String, Object> model,
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Workbook workbook, HttpServletRequest request,
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HttpServletResponse response) throws Exception {
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// TODO Auto-generated method stub
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// String proPath = PathUtil.getProjectpath();
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String beji = Const.HTTPFILEURL;
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Date date = new Date();
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String filename = DateUtil.date2Str(date, "yyyyMMddHHmmss");
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response.setContentType("application/octet-stream");
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response.setHeader("Content-Disposition", "attachment;filename="+filename+".xls");
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HSSFSheet sheet;
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HSSFWorkbook book = (HSSFWorkbook) workbook;
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sheet = book.createSheet("sheet1");
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List<String> titles = (List<String>) model.get("titles");
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int len = titles.size();
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HSSFCellStyle headerStyle = book.createCellStyle(); //标题样式
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headerStyle.setAlignment(HorizontalAlignment.CENTER);
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headerStyle.setVerticalAlignment(VerticalAlignment.CENTER);
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HSSFFont headerFont = book.createFont(); //标题字体
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headerFont.setBold(true);
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headerFont.setFontHeightInPoints((short)11);
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headerStyle.setFont(headerFont);
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short height=25*20;
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HSSFRow row = sheet.createRow(0);
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if(len>250) {
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len = 250;
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}
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for(int i=0; i<len; i++){ //设置标题
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String title = titles.get(i);
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row.setRowStyle(headerStyle);
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if(title.length()>250) {
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row.createCell(i).setCellValue(title.substring(0, 250));
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}else {
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row.createCell(i).setCellValue(title);
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}
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}
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sheet.getRow(0).setHeight(height);
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HSSFCellStyle contentStyle = book.createCellStyle(); //内容样式
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HSSFPatriarch patriarch = sheet.createDrawingPatriarch();
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contentStyle.setAlignment(HorizontalAlignment.CENTER);
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List<PageData> varList = (List<PageData>) model.get("varList");
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int varCount = varList.size();
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for(int i=0; i<varCount; i++){
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PageData vpd = varList.get(i);
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HSSFRow rows = sheet.createRow(i+1);
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for(int j=0;j<len;j++){
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String valKey = "var"+(j+1);
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String imgKey = "img" +(j+1);
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String varstr = "";
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if(vpd.containsKey(valKey)) {
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varstr = vpd.getString(valKey) != null ? vpd.getString("var"+(j+1)) : "";
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}
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if(vpd.containsKey(imgKey)) {
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String img = vpd.getString(imgKey) != null ? vpd.getString("img" + (j + 1)) : "";
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if(Tools.notEmpty(img)){
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varstr = beji + img;
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}
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}
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rows.setRowStyle(contentStyle);
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rows.createCell(j).setCellValue(varstr);
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// if(vpd.containsKey(imgKey)) {
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// String varstr = vpd.getString(imgKey) != null ? vpd.getString("img"+(j+1)) : "";
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// if(Tools.isEmpty(varstr)) {
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// continue;
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// }
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// URL url = new URL(beji+varstr);
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// BufferedImage bufferImg = null;
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// try {
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// bufferImg = Thumbnails.of(url).scale(0.3).asBufferedImage();
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// } catch (Exception e) {
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// e.printStackTrace();
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// }
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// ByteArrayOutputStream byteArrayOut = new ByteArrayOutputStream();
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// if(bufferImg != null) {
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// ImageIO.write(bufferImg, "jpg", byteArrayOut);
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// HSSFClientAnchor anchor1 = new HSSFClientAnchor(0, 0, 0, 0,(short) (j), (i+1), (short) (j+1), (i+2));
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// patriarch.createPicture(anchor1, book.addPicture(byteArrayOut
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// .toByteArray(), HSSFWorkbook.PICTURE_TYPE_JPEG));
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// }
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//
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// }
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}
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}
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// // 用户
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// String filename = DateUtil.date2Str(date, "yyyyMMddHHmmss");
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// String filePath = PathUtil.getProjectpath() + Const.FILEPATHFILE; //文件上传路径
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//
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// FileOutputStream fileOutputStream = null;
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// System.out.println(filePath);
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// try {
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// fileOutputStream = new FileOutputStream(filePath + filename + ".xls");
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// book.write(fileOutputStream);
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// fileOutputStream.flush();
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// } catch (Exception e) {
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// e.printStackTrace();
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// } finally {
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// if(fileOutputStream != null){
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// try {
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// fileOutputStream.close();
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// } catch (IOException e) {
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// e.printStackTrace();
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// }
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// }
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// }
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// File excel = new File(filePath + filename + ".xls");
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// FileInputStream in = new FileInputStream(excel);
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//
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// ByteArrayOutputStream bos = new ByteArrayOutputStream();
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// ZipOutputStream zos = new ZipOutputStream(bos);
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// try {
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//
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// zos.putNextEntry(new ZipEntry(filename+".xls"));
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// byte[] buf = new byte[1024];
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// int length;
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// while ((length = in.read(buf)) > 0) {
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// zos.write(buf, 0, length);
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// }
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// zos.closeEntry();
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// } catch (Exception e) {
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// e.printStackTrace();
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// } finally {
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//
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// in.close();
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// zos.close();
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// }
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// excel.delete();
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// response.setHeader("Content-Disposition", "attachment; filename=\"" + filename+".zip" + "\"");
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// response.setContentType("application/octet-stream;charset=UTF-8");
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// OutputStream os = response.getOutputStream();
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// os.write(bos.toByteArray());
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// os.close();
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}
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}
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