java基础之导出(Excel)
function exportExcel() {
$.messager
.confirm(
'提示信息',
'您确定要导出到Excel?',
function(r) {
if (r) {
var columns = $("#queryTmallTcMsgGrid").datagrid(
"options").columns[0];
var stringTitle = "";
var stringFields = "";
for (var i = 0; i < columns.length; i++) {
//导出剔除'联系手机'
if (columns[i].title == "联系手机") {
continue;
}
stringTitle = stringTitle + columns[i].title
+ ",";
if (columns[i].title == "客户性质") {
stringFields = stringFields
+ "customerNatureName,";
} else if (columns[i].title == "是否回访") {
stringFields = stringFields
+ "isCallbackName,";
} else if (columns[i].title == "是否购买") {
stringFields = stringFields + "isBuyName,";
} else if (columns[i].title == "留言来源") {
stringFields = stringFields
+ "messageSourceName,";
} else if (columns[i].title == "客户类型") {
stringFields = stringFields
+ "userTypeName,";
} else if (columns[i].title == "分配类型") {
stringFields = stringFields
+ "distributionTypeName,";
} else {
stringFields = stringFields
+ columns[i].field + ",";
}
}
var queryParams = $("#queryTmallTcMsgGrid")
.datagrid("options").queryParams;
queryParams.gridTitle = stringTitle;
queryParams.gridField = stringFields;
queryParams.moduleName = "天猫留言.xls";
var formObj = $("<form></form>")
.attr("method", "post")
.attr(
"action",
appPath
+ "/page/tmallTcMessageAct/exportExcel");
formObj
.append(
"<input type='text' name='gridTitle'>")
.append(
"<input type='text' name='gridField'>")
.append(
"<input type='text' name='moduleName'>")
.append(
"<input type='text' name='tmallOrderId'>")
.append(
"<input type='text' name='memberName'>")
.append(
"<input type='text' name='alipayUserName'>")
.append(
"<input type='text' name='alipayPaidFee'>")
.append(
"<input type='text' name='message'>")
.append(
"<input type='text' name='messageSource'>")
.append(
"<input type='text' name='receiveUser'>")
.append(
"<input type='text' name='receiveFullAddress'>")
.append(
"<input type='text' name='receiveTel'>")
.append(
"<input type='text' name='receiveMobile'>")
.append(
"<input type='text' name='orderCreateTime'>")
.append(
"<input type='text' name='goodsNo'>")
.append(
"<input type='text' name='goodsTopic'>")
.append(
"<input type='text' name='goodsCount'>")
.append(
"<input type='text' name='isCallback'>")
.append("<input type='text' name='isBuy'>")
.append(
"<input type='text' name='notBuyReason'>")
.append(
"<input type='text' name='callbackTime'>")
.append(
"<input type='text' name='commitUserid'>")
.append(
"<input type='text' name='callbackUserid'>")
.append(
"<input type='text' name='userType'>")
.append(
"<input type='text' name='serviceName'>")
.append(
"<input type='text' name='assignNum'>")
.append(
"<input type='text' name='distributionType'>")
.append(
"<input type='text' name='customerNature'>")
.append(
"<input type='text' name='bgMessageTime'>")
.append(
"<input type='text' name='endMessageTime'>")
//8459修正
/*.append(
"<input type='text' name='importId'>")*/
.append(
"<input type='text' name='assignId'>")
.append(
"<input type='text' name = 'note'>")
.append(
"<input type='text' name = 'orderId'>")
.css('display', 'none').appendTo("body");
formObj.form("load", queryParams);
formObj.submit();
formObj.remove();
}
});
}
@RequestMapping(value = "/exportExcel")
public String exportExcel(HttpServletRequest request, HttpServletResponse response, TmallTcMessage tmallTcMessage) {
String objList = "";
// Integer userId = (Integer) request.getSession().getAttribute("userId");
// Integer num = systemService.checkName(userId);
Integer strLength = 4;
// if (num != null && num > 0) {
// strLength = 0;
// }
tmallTcMessage.setStrLength(strLength);
try {
objList = exportService.exportExcelFile(request,
response,
tmallTcMessage,
"TmallTcMessage.TmallMessageExportExcel");
} catch (Exception e) {
logger.debug(e.getMessage());
e.printStackTrace();
}
return objList;
}
=============================================基类==========================================================================
public String exportExcelFile(HttpServletRequest request,HttpServletResponse response,
Object obj, String sqlMap) throws Exception {
String fileChName = request.getParameter("moduleName");
String gridTitle = request.getParameter("gridTitle");
String gridField = request.getParameter("gridField");
response.reset();
response.setCharacterEncoding("ISO8859-1");
response.setHeader("Content-Disposition", "attachment; filename="+new String(fileChName.getBytes("GBK"), "ISO8859-1"));//fileChName为下载时用户看到的文件名
response.setHeader("Connection", "close");
response.setHeader("Content-Type", "application/octet-stream");
OutputStream out = response.getOutputStream();
Map map = new HashMap();
List<Object> paymentInfoList = commonDao.queryForList(sqlMap, obj);
if(paymentInfoList.size()>10000){
WritableWorkbook wbook = Workbook.createWorkbook(out);//直接写入内存，不要存放到硬盘中
jxl.write.WritableSheet wsheet = wbook.createSheet("Sheet1", 0);//定义sheet的名称
jxl.write.WritableFont wfont = null; // 字体
jxl.write.WritableCellFormat wcfFC = null; // 字体格式
jxl.write.Label wlabelString = null; // Excel表格的Cell,文本格式
for(int i=0;i<1;i++){
wsheet.setColumnView(i, 40);//设置列宽
}
// 设置excel标题字体
wfont = new jxl.write.WritableFont(WritableFont.ARIAL, 14, WritableFont.BOLD,
false, jxl.format.UnderlineStyle.NO_UNDERLINE, jxl.format.Colour.BLACK);
wcfFC = new jxl.write.WritableCellFormat(wfont);
wcfFC.setAlignment(jxl.format.Alignment.LEFT); // 设置对齐方式
// 添加excel标题
jxl.write.Label wlabel1 = new jxl.write.Label(5, 0,"导出提示",wcfFC);
wsheet.addCell(wlabel1);
// 设置正文字体
wfont = new jxl.write.WritableFont(WritableFont.TIMES, 12, WritableFont.NO_BOLD,
false, jxl.format.UnderlineStyle.NO_UNDERLINE, jxl.format.Colour.BLACK);
wcfFC = new jxl.write.WritableCellFormat(wfont);
wcfFC.setAlignment(jxl.format.Alignment.LEFT); // 设置对齐方式
//往Excel输出数据
wlabelString = new jxl.write.Label(5, 1, "导出数据超过一万条，系统不支持，请分批导出",wcfFC);
wsheet.addCell(wlabelString);
wbook.write(); // 写入文件
wbook.close();
out.flush();
out.close();
return "ok";
}
String[] title = gridTitle.split(",");
String[] propery = gridField.split(",");
Integer titleNum = title.length;//Excel中字段的个数
String FileTitle = "";//Excel中正文标题
//--建立EXCEL索引、字段名、字段值的关系，存放到map中
for(int i=0;i<title.length;i++){
String PojoPropery = propery[i];//grid中title和field是一一对应的，所以可以这么写
String toUpp = PojoPropery.replaceFirst(PojoPropery.substring(0,1), PojoPropery.substring(0,1).toUpperCase());//把首字母转换为大写
String methodName = "get"+toUpp;//拼成pojo类中getXXX的方法名称
map.put(PojoPropery, new ExportExcelColumn(i,title[i],methodName));
}
this.export(out, FileTitle, titleNum,paymentInfoList, map);
return "ok";
}
==========================================================js=======================================================
//导出
function exportExcel(){
$.messager.confirm('提示信息','您确定要导出到Excel？',function(r){
if(r){
var columns = $("#linksCommonGrid").datagrid("options").columns[0];
//--------把标题grid标题和grid的field，拼接成字符串-----------
var stringTitle = "";
var stringFields = "";
for(var i = 1; i < columns.length; i++){
stringTitle = stringTitle + columns[i].title + ",";
stringFields = stringFields + columns[i].field + ",";
}
if(stringTitle.lastIndexOf(",") == (stringTitle.length-1)){
stringTitle = stringTitle.substring(0, stringTitle.lastIndexOf(","));
}
if(stringFields.lastIndexOf(",") == (stringFields.length-1)){
stringFields = stringFields.substring(0, stringFields.lastIndexOf(","));
}
var queryParams = $("#linksCommonGrid").datagrid("options").queryParams;
queryParams.gridTitle = stringTitle;
queryParams.gridField = stringFields;
queryParams.moduleName = "友情链接.xls";
var formObj = $("<form></form>").attr("method","post").attr("action",appPath+"/page/pageIndexMrgAct/exportLinksList");
formObj.append("<input type='text' name='gridTitle'>")
.append("<input type='text' name='gridField'>")
.append("<input type='text' name='moduleName'>")
.append("<input type='text' name='linkType'>")
.append("<input type='text' name='url'>")
.append("<input type='text' name='keywords1'>")
.append("<input type='text' name='linkUrl1'>")
.append("<input type='text' name='qq'>")
.append("<input type='text' name='keywords2'>")
.append("<input type='text' name='linkUrl2'>")
.css('display','none')
.appendTo("body");
formObj.form("load",queryParams);
formObj.submit();
formObj.remove();
}
});
}
=====================================================java=======================================================
/**
* 导出excel
*
* @param request
* @param response
* @param website
*/
@RequestMapping(value = "/exportLinksList")
@ResponseBody
public String exportLinksList(HttpServletRequest request,
HttpServletResponse response, PageIndexLinks pageIndexLinks) {
try {
List<Object> LinksList=null;
ServiceMessage<List<Object>> res = pageIndexLinksService.getLinksListForExport(pageIndexLinks);
if(res.getStatus().getCode().equals("0")){
LinksList=res.getResult();
if(LinksList!=null && LinksList.size()>0){
Map<String,String> paramMap=new HashMap<String,String>();
String fileChName = request.getParameter("moduleName");
String gridTitle = request.getParameter("gridTitle");
String gridField = request.getParameter("gridField");
paramMap.put("moduleName", fileChName);
paramMap.put("gridTitle", gridTitle);
paramMap.put("gridField", gridField);
return exportService.exportExcelFileSEO(response, paramMap, LinksList);
}
}
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
=========================基类===========================
/**
* SEO daochu Excel
*/
public String exportExcelFileSEO(HttpServletResponse response, Map<String,String> paramMap, List<Object> objList)throws Exception {
String fileChName = paramMap.get("moduleName");
String gridTitle = paramMap.get("gridTitle");
String gridField = paramMap.get("gridField");
response.reset();
response.setCharacterEncoding("ISO8859-1");
response.setHeader("Content-Disposition", "attachment; filename="+new String(fileChName.getBytes("GBK"), "ISO8859-1"));//fileChName为下载时用户看到的文件名
response.setHeader("Connection", "close");
response.setHeader("Content-Type", "application/octet-stream");
OutputStream out = response.getOutputStream();
Map map = new HashMap();
if(objList.size()>10000){
WritableWorkbook wbook = Workbook.createWorkbook(out);//直接写入内存，不要存放到硬盘中
jxl.write.WritableSheet wsheet = wbook.createSheet("Sheet1", 0);//定义sheet的名称
jxl.write.WritableFont wfont = null; // 字体
jxl.write.WritableCellFormat wcfFC = null; // 字体格式
jxl.write.Label wlabelString = null; // Excel表格的Cell,文本格式
for(int i=0;i<1;i++){
wsheet.setColumnView(i, 40);//设置列宽
}
// 设置excel标题字体
wfont = new jxl.write.WritableFont(WritableFont.ARIAL, 14, WritableFont.BOLD,
false, jxl.format.UnderlineStyle.NO_UNDERLINE, jxl.format.Colour.BLACK);
wcfFC = new jxl.write.WritableCellFormat(wfont);
wcfFC.setAlignment(jxl.format.Alignment.LEFT); // 设置对齐方式
// 添加excel标题
jxl.write.Label wlabel1 = new jxl.write.Label(5, 0,"导出提示",wcfFC);
wsheet.addCell(wlabel1);
// 设置正文字体
wfont = new jxl.write.WritableFont(WritableFont.TIMES, 12, WritableFont.NO_BOLD,
false, jxl.format.UnderlineStyle.NO_UNDERLINE, jxl.format.Colour.BLACK);
wcfFC = new jxl.write.WritableCellFormat(wfont);
wcfFC.setAlignment(jxl.format.Alignment.LEFT); // 设置对齐方式
//往Excel输出数据
wlabelString = new jxl.write.Label(5, 1, "导出数据超过一万条，系统不支持，请分批导出",wcfFC);
wsheet.addCell(wlabelString);
wbook.write(); // 写入文件
wbook.close();
out.flush();
out.close();
return "ok";
}
String[] title = gridTitle.split(",");
String[] propery = gridField.split(",");
Integer titleNum = title.length;//Excel中字段的个数
String FileTitle = "";//Excel中正文标题
//--建立EXCEL索引、字段名、字段值的关系，存放到map中
for(int i=0;i<title.length;i++){
String PojoPropery = propery[i];//grid中title和field是一一对应的，所以可以这么写
String toUpp = PojoPropery.replaceFirst(PojoPropery.substring(0,1), PojoPropery.substring(0,1).toUpperCase());//把首字母转换为大写
String methodName = "get"+toUpp;//拼成pojo类中getXXX的方法名称
map.put(PojoPropery, new ExportExcelColumn(i,title[i],methodName));
}
this.export(out, FileTitle, titleNum,objList, map);
return "ok";
}
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