导出Excel（导出Excel的最长时间跨度不可超过两个月）：
<a href="javascript:void(0);" onclick="exportOrder()" style="color:#000;"><center>导出Excel</center></a>
JS：
function exportOrder(){
var strOrderCode = $("#strOrderCode").val();
var strCustomerCode = $("#strCustomerCode").val();
var strPhone = $("#strPhone").val();
var strLinkMan = $("#strLinkMan").val();
var dtOrderTime = $("#dtOrderTime").val();
var dtBeginTime = $("#dtBeginTime").val();
var dtEndTime = $("#dtEndTime").val();
if(dtBeginTime != "" && dtBeginTime != undefined && dtEndTime !="" && dtEndTime != undefined){
var d = new Date(dtBeginTime.replace(/-/g,"/"));
var d1 = new Date(dtEndTime.replace(/-/g,"/"));
if(!checkDate(d,d1)){
return;
}
}else if(dtBeginTime != "" && dtBeginTime != undefined && (dtEndTime =="" || dtEndTime == undefined) ){
var d = new Date(dtBeginTime.replace(/-/g,"/"));
var d1 = new Date();
if(!checkDate(d,d1)){
return;
}
}else if(dtEndTime != "" && dtEndTime != undefined && (dtBeginTime =="" || dtBeginTime == undefined) ){
var d1 = new Date(dtEndTime.replace(/-/g,"/"));
var d = new Date(d1.getTime() - 1000*60*60*24*62);
var y = d.getFullYear().toString();
var m = (d.getMonth()+1) < 10 ? "0" +(d.getMonth()+1) : (d.getMonth()+1).toString();
var d = d.getDate() < 10 ? "0"+d1.getDate() : d.getDate().toString();
dtBeginTime = y +"-"+ m+"-" + d;
$("#dtBeginTime").val(dtBeginTime);
if(!checkDate(d,d1)){
return;
}
}
var url = '/purchase/exportExcel.do?strOrderCode='+strOrderCode;
url += '&strCustomerCode='+strCustomerCode;
url += '&strPhone='+strPhone;
url += '&strLinkMan='+strLinkMan;
if(dtOrderTime != "" && dtOrderTime != undefined){
url += '&dtOrderTime='+dtOrderTime;
}
if(dtBeginTime != "" && dtBeginTime != undefined){
url += '&dtBeginTime='+dtBeginTime;
}
if(dtEndTime != "" && dtEndTime != undefined){
url += '&dtEndTime='+dtEndTime;
}
url += '&idd='+Math.random();
redirect(url);
}
//大于2个月
function checkDate(d,d1){
if(d1.getTime()-d.getTime() > 1000*60*60*24*62){
alert("对不起，导出Excel的最长时间跨度不可超过两个月");
return false;
}
return true;
}
后台：
public void exportExcel(){
String strFilePathName = "importPurchaseOrderList"+System.currentTimeMillis()+".xls";
HttpServletRequest request=ServletActionContext.getRequest();
HttpServletResponse response=ServletActionContext.getResponse();
response.setHeader("Content-disposition", "attachment; filename=" + strFilePathName);
response.setContentType("application/vnd.ms-excel");
cdoRequest.setStringValue(ITransService.TRANSNAME_KEY,"getExportPurchaseList");
cdoRequest.setStringValue(ITransService.SERVICENAME_KEY,"purchaseService");
if(StringUtil.isNotEmpty(strOrderCode)){
cdoRequest.setStringValue("strOrderCode", likeWrap(strOrderCode));
}
if(StringUtil.isNotEmpty(strPhone)){
cdoRequest.setStringValue("strPhone", likeWrap(strPhone));
}
...
Return ret = getServiceBus().handleTrans(cdoRequest, cdoResponse);
if(ret.getCode() == 0){
codsPurchaseOrder = cdoResponse.getCDOArrayValue("codsPurchaseOrder");
try
{
//表头格式
WritableFont wf_title = new WritableFont(WritableFont.ARIAL, 12,WritableFont.BOLD, false, UnderlineStyle.DOUBLE, jxl.format.Colour.BLACK);
WritableCellFormat wcf_title = new WritableCellFormat(wf_title); // 单元格定义
wcf_title.setAlignment(jxl.format.Alignment.CENTRE); // 设置对齐方式
// 设置边框线为实线
wcf_title.setBorder(jxl.format.Border.LEFT, BorderLineStyle.THIN);
wcf_title.setBorder(jxl.format.Border.RIGHT, BorderLineStyle.THIN);
wcf_title.setBorder(jxl.format.Border.TOP, BorderLineStyle.THIN);
wcf_title.setBorder(jxl.format.Border.BOTTOM, BorderLineStyle.THIN);
//内容左对齐格式
WritableFont wf_left = new WritableFont(WritableFont.ARIAL, 12,WritableFont.NO_BOLD, false, UnderlineStyle.NO_UNDERLINE, jxl.format.Colour.BLACK);
WritableCellFormat wcf_left = new WritableCellFormat(wf_left); // 单元格定义
wcf_left.setAlignment(jxl.format.Alignment.LEFT); // 设置对齐方式
wcf_left.setVerticalAlignment(jxl.format.VerticalAlignment.CENTRE);// 设置对齐方式（垂直居中）
// 设置边框线为实线
wcf_left.setBorder(jxl.format.Border.LEFT, BorderLineStyle.THIN);
wcf_left.setBorder(jxl.format.Border.RIGHT, BorderLineStyle.THIN);
wcf_left.setBorder(jxl.format.Border.TOP, BorderLineStyle.THIN);
wcf_left.setBorder(jxl.format.Border.BOTTOM, BorderLineStyle.THIN);
//内容右对齐格式
WritableFont wf_right = new WritableFont(WritableFont.ARIAL, 12,WritableFont.NO_BOLD, false, UnderlineStyle.NO_UNDERLINE, jxl.format.Colour.BLACK);
WritableCellFormat wcf_right = new WritableCellFormat(wf_right); // 单元格定义
wcf_right.setAlignment(jxl.format.Alignment.RIGHT); // 设置对齐方式（水平居右）
wcf_right.setVerticalAlignment(jxl.format.VerticalAlignment.CENTRE);// 设置对齐方式（垂直居中）
// 设置边框线为实线
wcf_right.setBorder(jxl.format.Border.LEFT, BorderLineStyle.THIN);
wcf_right.setBorder(jxl.format.Border.RIGHT, BorderLineStyle.THIN);
wcf_right.setBorder(jxl.format.Border.TOP, BorderLineStyle.THIN);
wcf_right.setBorder(jxl.format.Border.BOTTOM, BorderLineStyle.THIN);
//内容居中对齐格式
WritableFont wf_center = new WritableFont(WritableFont.ARIAL, 12,WritableFont.NO_BOLD, false, UnderlineStyle.NO_UNDERLINE, jxl.format.Colour.BLACK);
WritableCellFormat wcf_center = new WritableCellFormat(wf_center); // 单元格定义
wcf_center.setAlignment(jxl.format.Alignment.CENTRE); // 设置对齐方式
wcf_center.setVerticalAlignment(jxl.format.VerticalAlignment.CENTRE);// 设置垂直对齐方式
wcf_center.setVerticalAlignment(jxl.format.VerticalAlignment.CENTRE);// 设置对齐方式（垂直居中）
// 设置边框线为实线
wcf_center.setBorder(jxl.format.Border.LEFT, BorderLineStyle.THIN);
wcf_center.setBorder(jxl.format.Border.RIGHT, BorderLineStyle.THIN);
wcf_center.setBorder(jxl.format.Border.TOP, BorderLineStyle.THIN);
wcf_center.setBorder(jxl.format.Border.BOTTOM, BorderLineStyle.THIN);
// 打开文件
//jxl.write.WritableFont
WritableWorkbook book= Workbook.createWorkbook(ServletActionContext.getResponse().getOutputStream());
// WritableWorkbook book= Workbook.createWorkbook(new File(strFileName));
WritableSheet sheet = null;
// 生成名为“第一页”的工作表，参数0表示这是第一页
sheet = book.createSheet("采购单", 0);
Label labelTitle1 = new Label(0, 0, "单据编号" ,wcf_title);
Label labelTitle2 = new Label(1, 0, "订单金额" ,wcf_title);
Label labelTitle3 = new Label(2, 0, "供应商编号",wcf_title);
Label labelTitle4 = new Label(3, 0, "供应商",wcf_title);
...
// 将定义好的单元格添加到工作表中
sheet.addCell(labelTitle1);
sheet.setColumnView(0, 30);
sheet.addCell(labelTitle2);
sheet.setColumnView(1, 25);
sheet.addCell(labelTitle3);
sheet.setColumnView(2, 20);
sheet.addCell(labelTitle4);
sheet.setColumnView(3, 20);
...
for(int i = 0 ; i < codsPurchaseOrder.length ; i++){
//jxl.write.Label.Label(int c, int r, String cont, CellFormat st)
Label label1 = new Label(0, i+1, codsPurchaseOrder[i].getStringValue("strOrderCode"), wcf_center);
sheet.addCell(label1);
Label label2 = new Label(1, i+1, codsPurchaseOrder[i].getStringValue("nAmount"), wcf_center);
sheet.addCell(label2);
Label label3 = new Label(2, i+1, codsPurchaseOrder[i].getStringValue("strCustomerCode"), wcf_center);
sheet.addCell(label3);
Label label4 = new Label(3, i+1, codsPurchaseOrder[i].getStringValue("strCustomerName"), wcf_center);
sheet.addCell(label4);
...
}
// 写入数据并关闭文件
book.write();
book.close();
}
catch (Exception e)
{
return;
}
}
}
。。