java数据导出

java培训之java导出Excel通用方法java培训之java导出Excel通用方法java导出Excel通用方法，只需要一个list 集合。

通用方法改进之处踊跃提出[java] view plaincopyprint?package mon.utils;import java.io.OutputStream;import java.util.List;import javax.servlet.http.HttpServletResponse;import org.apache.struts2.ServletActionContext;import ng.reflect.Field;import jxl.Workbook;import jxl.format.Alignment;import jxl.format.Border;import jxl.format.BorderLineStyle;import jxl.format.VerticalAlignment;import bel;import jxl.write.WritableCellFormat;import jxl.write.WritableFont;import jxl.write.WritableSheet;import jxl.write.WritableWorkbook;/**** @author lsf*/public class ExportExcel {/*********************************************************************** ***** @param fileName EXCEL文件名称* @param listTitle EXCEL文件第一行列标题集合* @param listContent EXCEL文件正文数据集合* @return*/public final static String exportExcel(String fileName,String[] Title, List<Object> listContent) {String result="系统提示：Excel文件导出成功！";// 以下开始输出到EXCELtry {//定义输出流，以便打开保存对话框______________________beginHttpServletResponse response=ServletActionContext.getResponse();OutputStream os = response.getOutputStream();// 取得输出流response.reset();// 清空输出流response.setHeader("Content-disposition", "attachment; filename="+ newString(fileName.getBytes("GB2312"),"ISO8859-1"));// 设定输出文件头response.setContentType("application/msexcel");// 定义输出类型//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);/** **********创建工作表************ */WritableSheet sheet = workbook.createSheet("Sheet1", 0);/** **********设置纵横打印（默认为纵打）、打印纸***************** */jxl.SheetSettings sheetset = sheet.getSettings();sheetset.setProtected(false);/** ************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/** ***************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 i = 0; i < Title.length; i++) {sheet.addCell(new Label(i, 0,Title[i],wcf_center));}/** ***************以下是EXCEL正文数据********************* */ Field[] fields=null;int i=1;for(Object obj:listContent){fields=obj.getClass().getDeclaredFields();int j=0;for(Field v:fields){v.setAccessible(true);Object va=v.get(obj);if(va==null){va="";}sheet.addCell(new Label(j, i,va.toString(),wcf_left));j++;}i++;}/** **********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();}return result;}}package mon.utils;import java.io.OutputStream;import java.util.List;import javax.servlet.http.HttpServletResponse;import org.apache.struts2.ServletActionContext;import ng.reflect.Field;import jxl.Workbook;import jxl.format.Alignment;import jxl.format.Border;import jxl.format.BorderLineStyle;import jxl.format.VerticalAlignment;import bel;import jxl.write.WritableCellFormat;import jxl.write.WritableFont;import jxl.write.WritableSheet;import jxl.write.WritableWorkbook;/**** @author lsf*/public class ExportExcel {/*********************************************************************** ***** @param fileName EXCEL文件名称* @param listTitle EXCEL文件第一行列标题集合* @param listContent EXCEL文件正文数据集合* @return*/public final static String exportExcel(String fileName,String[] Title, List<Object> listContent) {String result="系统提示：Excel文件导出成功！";// 以下开始输出到EXCELtry {//定义输出流，以便打开保存对话框______________________beginHttpServletResponse response=ServletActionContext.getResponse();OutputStream os = response.getOutputStream();// 取得输出流response.reset();// 清空输出流response.setHeader("Content-disposition", "attachment; filename="+ newString(fileName.getBytes("GB2312"),"ISO8859-1"));// 设定输出文件头response.setContentType("application/msexcel");// 定义输出类型//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);/** **********创建工作表************ */WritableSheet sheet = workbook.createSheet("Sheet1", 0);/** **********设置纵横打印（默认为纵打）、打印纸***************** */jxl.SheetSettings sheetset = sheet.getSettings();sheetset.setProtected(false);/** ************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/** ***************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 i = 0; i < Title.length; i++) {sheet.addCell(new Label(i, 0,Title[i],wcf_center));}/** ***************以下是EXCEL正文数据********************* */Field[] fields=null;int i=1;for(Object obj:listContent){fields=obj.getClass().getDeclaredFields();int j=0;for(Field v:fields){v.setAccessible(true);Object va=v.get(obj);if(va==null){va="";}sheet.addCell(new Label(j, i,va.toString(),wcf_left));j++;}i++;}/** **********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();}return result;}}测试：[java] view plaincopyprint?/*** 导出excel* @return*/public String excelPage(){ExportExcel excel=new ExportExcel();String str="";try {str = newString(getHTTP.getRequest().getParameter("Name").getBytes("iso8859-1"),"U TF-8");} catch (UnsupportedEncodingException e) {// TODO Auto-generated catch blocke.printStackTrace();}wineOrg.setOrgName(str);List<Object> li=service.exportExcel(wineOrg);String[] Title={"机构ID","会员编号","类别","名称","省ID","省名称","城市ID","城市名称","详细地址","联系人","性别","联系手机","联系电话","传真","邮箱","QQ","生日","积分","客户等级","现金账户余额","结算方式","客户类型","购买次数","购买支数","创建人ID","创建人姓名","create_time","del","STS","备注","负责人ID","负责人姓名","审核标识","审核人ID ","审核人姓名","审核日期","分配人ID","分配人姓名","分配日期","修改人ID","修改人姓名","修改时间"};excel.exportExcel("客户资料信息.xls",Title, li);return SUCCESS;}。