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excel导出
excel 导出
/**
*service层代码
*
/
/**
	 * 2016年8月31日 80001092方法说明：导出盘点差异
	 * @param bean
	 * void
	 */
	
	@SuppressWarnings("unchecked")
	public void exportStockDiffInfo(BeanBase bean) {
		Map<String,Object[]> maps = this.getMapData();
		Map<String, Object> map = new HashMap<String, Object>();
		List<String[]> excel = new ArrayList<String[]>();
		final String[] cellsTitle = this.getCellsTitle(maps);
		final Map<Integer, String> header = new HashMap<Integer, String>(); //报表头部	
		header.put(cellsTitle.length, "盘点差异");
		
		String[] cells = null;
		int length = maps.size();
		UmUser currentUser = UserUtil.getCurrentUser();
		String inv_type = null;
		String empCode = currentUser.getEmpCode();
		bean.getDatas().get(0).put("empCode", empCode);
		// 权限关系代码
		inv_type = bean.getDatas().get(0).get("LEVEL_CODE");
		bean.getDatas().get(0).put("INV_TYPE", inv_type);

		// 权限组织代码
		getOrgCodes(bean);
		String orgCode = bean.getDatas().get(0).get("ORG_CODES");
		String[] orgCodes = orgCode.replaceAll("'", "").split(",");
		List<String> codeList = Arrays.asList(orgCodes);
		List<Map<String, Object>> list = invoiceMaintainDao.queryCheckDiffCountList(bean
				.getDatas().get(0), codeList, 0, Integer.MAX_VALUE);
		for (Map<String, Object> data : list) {
			cells = new String[length];
			int i = 0;
			for(Map.Entry<String, Object[]> entry: maps.entrySet()) { 
				if(entry.getValue()!=null ) {
					Object[] o = entry.getValue();
					Map<String,String> objMap = (Map<String,String>)o[1];
					String cellValue = null;
				    if(objMap !=null){				    	
				    	cellValue = objMap.get(String.valueOf(data.get(entry.getKey())));
				    }else{
				    	cellValue = String.valueOf(data.get(entry.getKey()));
				    }
				    cells[i++] = "null".equals(cellValue) ? "" : cellValue ;
				}
				
			}
			excel.add(cells);
		}
		map.put("orgCode", "sheet1");//sheet名  必填
		map.put("data", excel);
		map.put("header", header); //统计头部
		map.put("cellsTitle", cellsTitle);
		map.put("fileName", "盘点差异_" + DateUtils.formatDate(new Date(), "yyyy-MM-dd"));
		bean.getExpData().put("excelData", map);
	}
	
	private Map<String, Object[]> getMapData() {
		Map<String,Object[]> map = new LinkedHashMap<String,Object[]>();
		map.put("STOCK_TIME", new Object[]{"盘点时间", null});//
		map.put("ORG_CODE", new Object[]{"组织编码", null});
		map.put("ORG_NAME", new Object[]{"组织名称", null});
		map.put("FACE_AMT", new Object[]{"发票面额", null});
		map.put("SYS_COUNT", new Object[]{"系统库存(张)", null});
		map.put("REAL_COUNT", new Object[]{"实物盘存(张)", null});
		map.put("DIFF_COUNT", new Object[]{"差异张数", null});
		map.put("DIFF_AMT", new Object[]{"差异金额", null});
		return map;
	}
	
	private String[] getCellsTitle(Map<String,Object[]> maps){
		String[] titles = new String[maps.size()];
		int i=0;
		for(Map.Entry<String, Object[]> entry: maps.entrySet()) { 
			if(entry.getValue()!=null ) {
				Object[] o = entry.getValue();				
				titles[i] = (String) o[0];
			}
			i++;
		} 		
		return titles;
	}

/**
*controler 层
*/
public ModelAndView export(BeanBase bean,HttpServletRequest request) {
		Map<String, Object> map = null;
		try {
			bean.setContent(bean.getContent() + getCreateId());
			String processorName = bean.getNeedcontrolprocess();
			if (StringUtils.isEmpty(processorName)) {
				bean = service.service(bean);
			} else {
				process(bean);
			}
			map = (Map<String, Object>) bean.getExpData().get("excelData");
		} catch (Throwable e) {
			logger.info(e.getMessage(), e);
			bean.setStatus(BusinessStatus.FAIL);
			bean.setProcessMsg(e.getMessage());
		}
		return new ModelAndView(new ViewExcel(), map);
	}
package com.sf.novatar.tpl.util;

import java.io.OutputStream;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFCellStyle;
import org.apache.poi.hssf.usermodel.HSSFFont;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.hssf.util.CellRangeAddress;
import org.springframework.web.servlet.view.document.AbstractExcelView;

@SuppressWarnings("deprecation")
public class ViewExcel extends AbstractExcelView {

	@SuppressWarnings("unchecked")
	@Override
	protected void buildExcelDocument(Map<String, Object> model,
			HSSFWorkbook workbook, HttpServletRequest request,
			HttpServletResponse response) throws Exception {
		// sheet存在导出文件的机构代码，导入时需要使用此数据项
		String orgCode = (String) model.get("orgCode");
		HSSFSheet sheet = workbook.createSheet(orgCode);

		sheet.setDefaultColumnWidth(12);
		String[] cellsTitle = (String[]) model.get("cellsTitle");
		HSSFCell cell = null;
		
		HSSFCellStyle cellStyle = workbook.createCellStyle();
		HSSFFont font = workbook.createFont();
		font.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);
		cellStyle.setFont(font);
		
		cellStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER); //居中
		cellStyle.setBorderTop(HSSFCellStyle.BORDER_THIN); //上边框
		cellStyle.setBorderBottom(HSSFCellStyle.BORDER_THIN); //下边框
		cellStyle.setBorderLeft(HSSFCellStyle.BORDER_THIN); //左边框
		cellStyle.setBorderRight(HSSFCellStyle.BORDER_THIN); //右边框

		int row = 0; //开始行
		int column = 0; //开始列
		int columns = 0; //合并列数
		//报表头部
		Map<Integer, String> header = (Map<Integer, String>) model.get("header");
		if (header != null) {
			for(Map.Entry<Integer, String> entry: header.entrySet()) {
				columns = entry.getKey().intValue(); //合并单元格列数
				String cotent = entry.getValue(); //单元格内容
				
				cell = getCell(sheet, row, 0);
				cell.setCellType(HSSFCell.ENCODING_UTF_16);
				cell.setCellStyle(cellStyle); //设置单元格样式
				setText(cell, cotent); //设置第row行0列单元格
				
				for (int i = 1; i < columns; i++) { //从第2列开始
					cell = getCell(sheet, row, i);
					cell.setCellStyle(cellStyle); //设置单元格样式
					setText(cell, ""); //设置第row行1列到column列单元格
				}
				sheet.addMergedRegion(new CellRangeAddress(row, row, 0, columns - 1)); //合并单元格
			}
			row = 1; //余下的从第1行开始
		}

		columns = 0;
		String[] columnTitles = null;
		String columnTitle = "";
		//报表合并标题
		Map<Integer, String[]> titles = (Map<Integer, String[]>) model.get("titles");
		if (titles != null) {
			for (String content : cellsTitle) {
				columnTitles = titles.get(column);
				if (columnTitles != null) {
					columns = column + Integer.valueOf(columnTitles[0]) - 1;
					columnTitle = columnTitles[1];
				}
				if (columnTitles != null || (column <= columns && column != 0)) {
					cell = getCell(sheet, row, column);
					cell.setCellType(HSSFCell.ENCODING_UTF_16);
					cell.setCellStyle(cellStyle);
					setText(cell, columnTitle);
					sheet.addMergedRegion(new CellRangeAddress(row, row, column, columns));
					
					cell = getCell(sheet, row + 1, column);
					cell.setCellType(HSSFCell.ENCODING_UTF_16);
					cell.setCellStyle(cellStyle);
					setText(cell, content);
				} else {
					cell = getCell(sheet, row, column);
					cell.setCellType(HSSFCell.ENCODING_UTF_16);
					cellStyle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER); //设置单元格内容上下居中
					cell.setCellStyle(cellStyle);
					setText(cell, content);
					
					cell = getCell(sheet, row + 1, column);
					cell.setCellStyle(cellStyle);
					setText(cell, "");
					sheet.addMergedRegion(new CellRangeAddress(row, row + 1, column, column));
				}
				column += 1;
			}
			row += 2;
		} else {
			for (String content : cellsTitle) {
				cell = getCell(sheet, row, column);
				cell.setCellType(HSSFCell.ENCODING_UTF_16);
				cell.setCellStyle(cellStyle);
				setText(cell, content);
				column += 1;
			}
			row += 1;
		}
		
		cellStyle = workbook.createCellStyle();
		cellStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER); //居中
		cellStyle.setBorderTop(HSSFCellStyle.BORDER_THIN); //上边框
		cellStyle.setBorderBottom(HSSFCellStyle.BORDER_THIN); //下边框
		cellStyle.setBorderLeft(HSSFCellStyle.BORDER_THIN); //左边框
		cellStyle.setBorderRight(HSSFCellStyle.BORDER_THIN); //右边框

		ArrayList<String[]> excelData = (ArrayList<String[]>) model.get("data");
		if (excelData != null) {
			// 记录行
			for (String[] contents : excelData) {
				column = 0;
				for (String content : contents) {
					cell = getCell(sheet, row, column);
					cell.setCellType(HSSFCell.ENCODING_UTF_16);
					cell.setCellStyle(cellStyle);
					setText(cell, content);
					column += 1;
				}
				row += 1;
			}
		}
		
		Map<String[], List<String[]>> rowData = (Map<String[], List<String[]>>) model.get("rowData");
		if (rowData != null && rowData.size() > 0) {
			for(Map.Entry<String[], List<String[]>> entry: rowData.entrySet()) {
				String[] keys = entry.getKey();
				List<String[]> valueList = entry.getValue();
				int size = valueList.size();
				
				for (int i = 0; i < keys.length; i++) {
					cell = getCell(sheet, row, i);
					cell.setCellType(HSSFCell.ENCODING_UTF_16);
					cellStyle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER); //设置单元格内容上下居中
					cell.setCellStyle(cellStyle);
					setText(cell, keys[i]);
					
					if (valueList.size() > 1) {
						for (int j = 1; j < valueList.size(); j++) {
							cell = getCell(sheet, row + j, i);
							cell.setCellStyle(cellStyle);
							setText(cell, "");
						}
						sheet.addMergedRegion(new CellRangeAddress(row, row + valueList.size() - 1, i, i));
					}
				}
				
				for (int i = 0; i < valueList.size(); i++) {
					String[] values = valueList.get(i);
					for (int j = 0; j < values.length; j++) {
						cell = getCell(sheet, row + i, keys.length + j);
						cell.setCellType(HSSFCell.ENCODING_UTF_16);
						cell.setCellStyle(cellStyle);
						//setText(cell, values[i]);
						setText(cell, values[j]);
					}
				}
				row += size;
			}
		}
		
		columns = 0;
		//报表底部
		Map<Integer, List<String>> footer = (Map<Integer, List<String>>) model.get("footer");
		if (footer != null) {
			for(Map.Entry<Integer, List<String>> entry: footer.entrySet()) {
				columns = entry.getKey().intValue(); //合并单元格列数
				List<String> totals = entry.getValue();
				
				cell = getCell(sheet, row, 0);
				cell.setCellType(HSSFCell.ENCODING_UTF_16);
				cell.setCellStyle(cellStyle);
				setText(cell, "合计：");
				for (int k = 1; k < columns; k++) {
					cell = getCell(sheet, row, k);
					cell.setCellStyle(cellStyle);
					setText(cell, "");
				}
				sheet.addMergedRegion(new CellRangeAddress(row, row, 0, columns - 1));
				
				for (String total : totals) {
					cell = getCell(sheet, row, columns++);
					cell.setCellType(HSSFCell.ENCODING_UTF_16);
					cell.setCellStyle(cellStyle);
					setText(cell, total);
				}
				
				for (int i = columns; i < cellsTitle.length; i++) {
					cell = getCell(sheet, row, i);
					cell.setCellStyle(cellStyle);
					setText(cell, "");
				}
			}
		}
		
		String filename = model.get("fileName") + ".xls";// 设置下载时客户端Excel的名称
		filename = ExcelNameEncode.encodeFilename(filename, request);// 处理中文文件名
		response.setContentType("application/vnd.ms-excel;charset=UTF-8");
		// response.setContentType("application/msexcel;charset=GB2312");
		response.setHeader("Content-disposition", "attachment;filename="
				+ filename);
		OutputStream ouputStream = response.getOutputStream();
		workbook.write(ouputStream);
		ouputStream.flush();
		ouputStream.close();
	}
}
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