导出excel

 

package com.fh.util;
import java.util.Date;
import java.util.List;
import java.util.Map;

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

import org.apache.poi.hssf.usermodel.HSSFCellStyle;
import org.apache.poi.hssf.usermodel.HSSFFont;
import org.apache.poi.hssf.usermodel.HSSFRow;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.usermodel.HorizontalAlignment;
import org.apache.poi.ss.usermodel.VerticalAlignment;
import org.apache.poi.ss.usermodel.Workbook;
import org.springframework.web.servlet.view.document.AbstractXlsView;

import com.fh.util.PageData;
import com.fh.util.Tools;
/**
* 导入到EXCEL
* 类名称：ObjectExcelView.java
* @author FH Q313596790
* @version 1.0
 */
public class ObjectExcel extends AbstractXlsView{
	
	@Override
	protected void buildExcelDocument(Map<String, Object> model,
			Workbook workbook, HttpServletRequest request,
			HttpServletResponse response) throws Exception {
		// TODO Auto-generated method stub
		Date date = new Date();
		String filename = Tools.date2Str(date, "yyyyMMddHHmmss");
		HSSFSheet sheet;
		response.setContentType("application/octet-stream");
		response.setHeader("Content-Disposition", "attachment;filename="+filename+".xls");
		
		HSSFWorkbook book = (HSSFWorkbook) workbook;
		sheet = book.createSheet("sheet1");
		
		List<String> titles = (List<String>) model.get("titles");
		int len = titles.size();
		HSSFCellStyle headerStyle = book.createCellStyle(); //标题样式
		headerStyle.setAlignment(HorizontalAlignment.CENTER);
		headerStyle.setVerticalAlignment(VerticalAlignment.CENTER);
		HSSFFont headerFont = book.createFont();			//标题字体
		headerFont.setBold(true);
		headerFont.setFontHeightInPoints((short)11);
		headerStyle.setFont(headerFont);
		short height=25*20;
		HSSFRow row = sheet.createRow(0);
		for(int i=0; i<len; i++){ //设置标题
			String title = titles.get(i);
			row.setRowStyle(headerStyle);
			row.createCell(i).setCellValue(title);  
		}
		sheet.getRow(0).setHeight(height);
		int count=1;
		HSSFCellStyle contentStyle = book.createCellStyle(); //内容样式
		contentStyle.setAlignment(HorizontalAlignment.CENTER);
		
		Object o=model.get("one");
		row.setRowStyle(contentStyle);
		count+=1;
		row = sheet.createRow(count); 
		row.createCell(1).setCellValue(o.toString());
		List<PageData> varList = (List<PageData>) model.get("varList1");
		int varCount = varList.size();
		for(int i=0; i<varCount; i++){
			PageData vpd = varList.get(i);
			count+=1;
			HSSFRow rows = sheet.createRow(count); 
//			for(int j=0;j<len;j++){
//				String varstr = StringDate.doub(vpd.getString("var"+(j+1)) != null ? vpd.getString("var"+(j+1)) : "");
//				rows.setRowStyle(contentStyle);
//				rows.createCell(j).setCellValue(varstr);
//			}
			for(int j=0;j<=len;j++) {
				Object object = vpd.get("var"+j);
				if(object!=null) {
					rows.setRowStyle(contentStyle);
					rows.createCell(j).setCellValue(object.toString());
				}
			}
			
		}
		Object t=model.get("two");
		row.setRowStyle(contentStyle);
		count+=1;
		row = sheet.createRow(count); 
		row.createCell(1).setCellValue(t.toString());
		List<PageData> list = (List<PageData>) model.get("varList2");
		int size = list.size();
		for(int i=0; i<size; i++){
			PageData vpd = list.get(i);
			count+=1;
			HSSFRow rows = sheet.createRow(count); 
/*			for(int j=0;j<len;j++){
				String varstr = StringDate.doub(vpd.getString("var"+(j+1)) != null ? vpd.getString("var"+(j+1)) : "");
				rows.setRowStyle(contentStyle);
				rows.createCell(j).setCellValue(varstr);
			}*/
			for(int j=0;j<=len;j++) {
				Object object = vpd.get("var"+j);
				if(object!=null) {
					rows.setRowStyle(contentStyle);
					rows.createCell(j).setCellValue(object.toString());
				}
			}
			
		}
		
	}



}