java导出excel报表

1.java导出excel报表：

package cn.jcenterhome.util;import java.io.OutputStream;import java.util.List;import java.util.Map;import javax.servlet.http.HttpServletResponse;import jxl.Workbook;import jxl.format.Alignment;import jxl.format.Border;import jxl.format.BorderLineStyle;import jxl.format.VerticalAlignment;import jxl.write.Label;import jxl.write.WritableCellFormat;import jxl.write.WritableFont;import jxl.write.WritableSheet;import jxl.write.WritableWorkbook;public class ExportExcel { public final static String exportExcel(List<String> header, List<Map<String, Object>> list,String xlsName,String type,HttpServletResponse response) { String result="系统提示：Excel文件导出成功！"; // 以下开始输出到EXCEL try { //定义输出流，以便打开保存对话框______________________begin response.reset();// 清空输出流 response.setHeader("Content-disposition", "attachment; filename="+ new String(xlsName.getBytes("GB2312"),"ISO8859-1")); // 设定输出文件头 response.setContentType("application/octet-stream");// 定义输出类型 OutputStream os = response.getOutputStream();// 取得输出流 //定义输出流，以便打开保存对话框_______________________end /** **********创建工作簿************ */ WritableWorkbook workbook = Workbook.createWorkbook(os); /** ************设置单元格字体************** */ WritableFont NormalFont = new WritableFont(WritableFont.ARIAL, 10); WritableFont BoldFont = new WritableFont(WritableFont.ARIAL, 10,WritableFont.BOLD); /** ************以下设置三种单元格样式，灵活备用************ */ // 用于标题居中 WritableCellFormat wcf_center = new WritableCellFormat(BoldFont); wcf_center.setBorder(Border.ALL, BorderLineStyle.THIN); // 线条 wcf_center.setVerticalAlignment(VerticalAlignment.CENTRE); // 文字垂直对齐 wcf_center.setAlignment(Alignment.CENTRE); // 文字水平对齐 wcf_center.setWrap(false); // 文字是否换行 // 用于正文居左 WritableCellFormat wcf_left = new WritableCellFormat(NormalFont); wcf_left.setBorder(Border.NONE, BorderLineStyle.THIN); // 线条 wcf_left.setVerticalAlignment(VerticalAlignment.CENTRE); // 文字垂直对齐 wcf_left.setAlignment(Alignment.LEFT); // 文字水平对齐 wcf_left.setWrap(false); // 文字是否换行 WritableSheet [] sheets = null; if(list!=null&&list.size()>0){ /** **********创建工作表************ */ int scount = list.size()/65535 + ((list.size()%65535)>0?1:0); sheets = new WritableSheet[scount]; for(int i=0;i<scount;i++){ WritableSheet sheet = workbook.createSheet("Sheet"+i+1, i); /** **********设置纵横打印（默认为纵打）、打印纸***************** */ jxl.SheetSettings sheetset = sheet.getSettings(); sheetset.setPRotected(false); sheets[i]=sheet; } /** ***************以下是EXCEL开头大标题，暂时省略********************* */ //sheet.mergeCells(0, 0, colWidth, 0); //sheet.addCell(new Label(0, 0, "XX报表", wcf_center)); /** ***************以下是EXCEL第一行列标题********************* */ for(int j=0;j<scount;j++){ for(int i=0;i<header.size();i++){ sheets[j].addCell(new Label(i, 0,header.get(i),wcf_center)); } } }else{ sheets = new WritableSheet[header.size()]; WritableSheet sheet = workbook.createSheet("Sheet"+1, 0); /** **********设置纵横打印（默认为纵打）、打印纸***************** */ jxl.SheetSettings sheetset = sheet.getSettings(); sheetset.setProtected(false); sheets[0]=sheet; for(int i=0;i<header.size();i++){ sheets[0].addCell(new Label(i, 0,header.get(i),wcf_center)); } } /** ***************以下是EXCEL正文数据********************* */ if(list!=null){ for (int i = 0; i < list.size(); i++) { Map<String, Object> value=list.get(i); int s = ((i+1)/65535)+(((i+1)%65535)>0?1:0)-1; System.out.println("export i position is :"+i+";s value is :"+s); int j = i%65535; WritableSheet sheet = sheets[s]; if(type.equals("exportAllOrder")){ sheet.addCell(new Label(0, j+1,value.get("username")==null?"":value.get("username").toString(),wcf_left)); sheet.addCell(new Label(1, j+1,value.get("orderNo")==null?"":value.get("orderNo").toString(),wcf_left)); sheet.addCell(new Label(2, j+1,value.get("ordertime")==null?"":value.get("ordertime").toString(),wcf_left)); sheet.addCell(new Label(3, j+1,value.get("ordermoney")==null?"":value.get("ordermoney").toString(),wcf_left)); sheet.addCell(new Label(4, j+1,value.get("realMoneyS")==null?"":value.get("realMoneyS").toString(),wcf_left)); String orderstatu=value.get("orderstatu")==null?"":value.get("orderstatu").toString(); String orderstatus=""; if(orderstatu.equals("0")){ orderstatus="未支付"; }else if(orderstatu.equals("1")){ orderstatus="已支付"; }else if(orderstatu.equals("-1")){ orderstatus="已取消"; }else if(orderstatu.equals("-2")){ orderstatus="已失效"; } sheet.addCell(new Label(5, j+1,orderstatus,wcf_left)); sheet.addCell(new Label(6, j+1,value.get("paymentway")==null?"":value.get("paymentway").toString(),wcf_left)); } } } /** **********将以上缓存中的内容写到EXCEL文件中******** */ workbook.write(); /** *********关闭文件************* */ workbook.close(); } catch (Exception e) { result="系统提示：Excel文件导出失败，原因："+ e.toString(); // System.out.println(result); e.printStackTrace(); }finally{ if(list!=null)list.clear(); } return result; }

2.调用导出方法

List<String> header=new ArrayList<String>(); header.add("用户名"); header.add("订单号"); header.add("订单时间"); header.add("订单金额"); header.add("实际金额"); header.add("订单状态"); header.add("支付方式"); ExportExcel.exportExcel(header,list,"订单表.xls","exportAllOrder",response); return null;

3.jsp页面，点击导出

<a href="访问后台导出的路径（访问2）">导出</a>

4.所使用jar包 jxl-2.6.jar

下载地址：http://files.VEVb.com/chiyj/excel%E5%AF%BC%E5%87%BAjar.rar