Struts2+Jxl Excel 导出
struts.xml
<package name="default" namespace="" extends="struts-default"> <action name="exportExcel" class="ExcelExportAction" method="exportExcel"> <result name="success" type="stream"> <param name="contentType">application/vnd.ms-excel;charset=ISO8859-1</param> <param name="inputName">inputStream</param> <param name="contentDisposition">attachment;filename="1.xls"</param> <param name="bufferSize">4096</param> </result> </action> </package>
ExcelExportAction
public class ExcelExportAction extends ActionSupport {
private static final long serialVersionUID = 1L;
public String exportExcel() {
System.out.println("exportExcel...");
List<Goods> list1 = new ArrayList<Goods>();
String[] l = list.split(",");
for (int i = 0; i < l.length; i++) {
Goods goods = goodsservice.getgoodsbybh(l[i]);
list1.add(goods);
}
inputStream = us.getExcelInputStream(list1);
return "success";
}
getter、setter方法，，，
service>>>dao>>>imp
@Override
public InputStream getExcelInputStream(List<Goods> list1) {
// TODO Auto-generated method stub
ByteArrayOutputStream out = new ByteArrayOutputStream();
putDataOnOutputStream(out,list1);
return new ByteArrayInputStream(out.toByteArray());
}
private void putDataOnOutputStream(OutputStream os,List<Goods> list1) {
jxl.write.Label label;
WritableWorkbook workbook;
try {
workbook = Workbook.createWorkbook(os);
// 方法一: 使用jxl默认颜色
WritableFont font = new WritableFont(WritableFont.createFont("微软雅黑"), 10, WritableFont.NO_BOLD,false,UnderlineStyle.NO_UNDERLINE, Colour.WHITE);// 字体样式
WritableCellFormat wcf = new WritableCellFormat(font);
Color color = Color.decode("#4F81BD"); // 自定义的颜色
workbook.setColourRGB(Colour.ORANGE, color.getRed(), color.getGreen(), color.getBlue());
wcf.setBackground(Colour.ORANGE);// 设置单元格的背景颜色
wcf.setAlignment(jxl.format.Alignment.CENTRE); // 设置对齐方式
WritableSheet sheet = workbook.createSheet("Sheet1", 0);
sheet.getSettings().setDefaultColumnWidth(15);
label = new jxl.write.Label(0, 0, "资产编号（必填）", wcf);
sheet.addCell(label);
label = new jxl.write.Label(1, 0, "资产名称（必填）", wcf);
sheet.addCell(label);
label = new jxl.write.Label(2, 0, "标签编号（必填）", wcf);
sheet.addCell(label);
label = new jxl.write.Label(3, 0, "施工类型（必填）", wcf);
sheet.addCell(label);
label = new jxl.write.Label(4, 0, "工具大类（必填）", wcf);
sheet.addCell(label);
label = new jxl.write.Label(5, 0, "工具小类（必填）", wcf);
sheet.addCell(label);
label = new jxl.write.Label(6, 0, "摆放货品柜（必填）", wcf);
sheet.addCell(label);
label = new jxl.write.Label(7, 0, "库存量（必填）", wcf);
sheet.addCell(label);
label = new jxl.write.Label(8, 0, "单位", wcf);
sheet.addCell(label);
label = new jxl.write.Label(9, 0, "类型名称", wcf);
sheet.addCell(label);
label = new jxl.write.Label(10, 0, "规格型号", wcf);
sheet.addCell(label);
label = new jxl.write.Label(11, 0, "电压等级", wcf);
sheet.addCell(label);
label = new jxl.write.Label(12, 0, "资产排序", wcf);
sheet.addCell(label);
label = new jxl.write.Label(13, 0, "出厂日期", wcf);
sheet.addCell(label);
label = new jxl.write.Label(14, 0, "生产厂家", wcf);
sheet.addCell(label);
label = new jxl.write.Label(15, 0, "投入日期", wcf);
sheet.addCell(label);
label = new jxl.write.Label(16, 0, "保管人", wcf);
sheet.addCell(label);
label = new jxl.write.Label(17, 0, "对象名称", wcf);
sheet.addCell(label);
label = new jxl.write.Label(18, 0, "对象说明", wcf);
sheet.addCell(label);
label = new jxl.write.Label(19, 0, "备注", wcf);
sheet.addCell(label);
WritableFont font1 = new WritableFont(WritableFont.createFont("微软雅黑"), 10, WritableFont.NO_BOLD);// 字体样式
WritableCellFormat wcf1 = new WritableCellFormat(font1);
wcf1.setAlignment(jxl.format.Alignment.CENTRE); // 设置对齐方式
System.out.println("1");
for (int i = 0; i < list1.size(); i++) {
label = new jxl.write.Label(0, i+1, list1.get(i).getGoods_bh(), wcf1);
sheet.addCell(label);
label = new jxl.write.Label(1, i+1, list1.get(i).getGoods_name(), wcf1);
sheet.addCell(label);
label = new jxl.write.Label(2, i+1, list1.get(i).getGoods_bqbh(), wcf1);
sheet.addCell(label);
label = new jxl.write.Label(3, i+1, list1.get(i).getGoods_sglx(), wcf1);
sheet.addCell(label);
label = new jxl.write.Label(4, i+1, list1.get(i).getGoods_lagerid(), wcf1);
sheet.addCell(label);
label = new jxl.write.Label(5, i+1, list1.get(i).getGoods_smallid(), wcf1);
sheet.addCell(label);
label = new jxl.write.Label(6, i+1, list1.get(i).getGoods_bfhpg(), wcf1);
sheet.addCell(label);
label = new jxl.write.Label(7, i+1, list1.get(i).getGoods_ckl(), wcf1);
sheet.addCell(label);
label = new jxl.write.Label(8, i+1, list1.get(i).getGoods_dw(), wcf1);
sheet.addCell(label);
label = new jxl.write.Label(9, i+1, list1.get(i).getGoods_lxmc(), wcf1);
sheet.addCell(label);
label = new jxl.write.Label(10, i+1, list1.get(i).getGoods_ggxh(), wcf1);
sheet.addCell(label);
label = new jxl.write.Label(11, i+1, list1.get(i).getGoods_dydj(), wcf1);
sheet.addCell(label);
label = new jxl.write.Label(12, i+1, list1.get(i).getGoods_zcpx(), wcf1);
sheet.addCell(label);
label = new jxl.write.Label(13, i+1, list1.get(i).getGoods_ccrq(), wcf1);
sheet.addCell(label);
label = new jxl.write.Label(14, i+1, list1.get(i).getGoods_sccj(), wcf1);
sheet.addCell(label);
label = new jxl.write.Label(15, i+1, list1.get(i).getGoods_trrq(), wcf1);
sheet.addCell(label);
label = new jxl.write.Label(16, i+1, list1.get(i).getGoods_bgr(), wcf1);
sheet.addCell(label);
label = new jxl.write.Label(17, i+1, list1.get(i).getGoods_dxmc(), wcf1);
sheet.addCell(label);
label = new jxl.write.Label(18, i+1, list1.get(i).getGoods_dxsm(), wcf1);
sheet.addCell(label);
label = new jxl.write.Label(19, i+1, list1.get(i).getGoods_bz(), wcf1);
sheet.addCell(label);
}
workbook.write();
workbook.close();
} catch (Exception e) {
e.printStackTrace();
}
}
JSP
<form action="exportExcel.action" method="get"> <input type="text" id="list" name="list"> <input type="submit" id="sub" value="Submit" /> </form>
JS
$("#export").on('click', function(){
var t = 0;
var all = "";
var u = document.getElementsByName("cha");
for ( var i = 0; i < u.length; i++) {
if (u[i].checked == true) {
t++;
all += u[i].value + ",";
}
}
all = all.substring(0, all.length-1);
if (t == 0) {
layer.msg('请勾选要导出的数据！', {icon : 7,shade : [ 0.4, '#000' ],time : 1500});
}else{
$("#list").val(all);
$("#sub").click();
}
});
因为ajax好像没用，所以还是选择用form表单提交，因为要传值到后台，所以，在JS里面为表单里的input赋值，并触发submit提交，再在后台接受form表单的值。（记得前台将form表单隐藏起来）