uploadExtraData: {
						"excelType": document.getElementByID('id')
					}

$("#excelFile").on("fileuploaded", function(event, data, previewId, index) {
	alert("上传成功!");
	$("#excelImport").modal("hide");
	//后台处理后返回的经纬度坐标json数组，
	var array = data.response;
	console.dir(array);
	//jquery循环取经纬度坐标
	$.each(array,function(index,latAndLon){
		var lon = latAndLon.lon;
		var lat = latAndLon.lat;
		var point =  new Point(lon, lat, map.spatialReference);
		var symbol = new esri.symbol.SimpleMarkerSymbol().setStyle(
			    SimpleMarkerSymbol.STYLE_CIRCLE).setColor(
			    new Color([255,255,0,0.5]));
		var attr = {"address": "addressName" };
		var infoTemplate = new esri.InfoTemplate("标题", "地址 :${address}");
		var graphic = new Graphic(point,symbol,attr,infoTemplate);
		map.graphics.add(graphic);
	});
	
});

var point =  new Point(lon, lat, new SpatialReference({ wkid: 4326 }));
var point =  new Point(lon, lat, map.spatialReference);

public JSONArray importExcel(HttpServletRequest request,
		HttpServletResponse response) throws Exception {

	final String allowFileSuffix = "xls,xlsx";
	Subject subject = SecurityUtils.getSubject();
	String uname = (String) subject.getPrincipal();
	String basePath = "D:" + File.separator + uname;
	File tmpDir = new File(basePath);// 初始化上传文件的临时存放目录
	JSONArray jsonArry = new JSONArray();

	if (!tmpDir.exists()) {
		tmpDir.mkdirs();
	}

	// 检查输入请求是否为multipart表单数据。
	if (ServletFileUpload.isMultipartContent(request)) {
		DiskFileItemFactory dff = new DiskFileItemFactory();// 创建该对象
		dff.setRepository(tmpDir);// 指定上传文件的临时目录
		dff.setSizeThreshold(1024000);// 指定在内存中缓存数据大小,单位为byte
		ServletFileUpload sfu = new ServletFileUpload(dff);// 创建该对象
		// sfu.setFileSizeMax(5000000);//指定单个上传文件的最大尺寸
		sfu.setSizeMax(10000000);// 指定一次上传多个文件的总尺寸
		sfu.setHeaderEncoding("utf-8");
		String type = null;

		List<FileItem> fileItems = new ArrayList<FileItem>();
		try {
			fileItems = sfu.parseRequest(request);
		} catch (FileUploadException e1) {
			System.out.println("文件上传发生错误" + e1.getMessage());
		}
		String fullPath = null;
		String fileName = null;
		for (FileItem fileItem : fileItems) {

			// 判断该表单项是否是普通类型
			if (fileItem.isFormField()) {
				String name = fileItem.getFieldName();// 控件名
				String value = fileItem.getString();
				if (name.equals("excelType")) {
					type = value;
				}
			} else {
				String filePath = fileItem.getName();
				if (filePath == null || filePath.trim().length() == 0)
					continue;
				fileName = filePath.substring(filePath
						.lastIndexOf(File.separator) + 1);
				String extName = filePath.substring(filePath
						.lastIndexOf(".") + 1);
				fullPath = basePath + File.separator + fileName;
				if (allowFileSuffix.indexOf(extName) != -1) {
					try {
						fileItem.write(new File(fullPath));
					} catch (Exception e) {
						e.printStackTrace();
					}

				} else {
					throw new FileUploadException("文件格式不正确");
				}
			}
		}
		if (type.equals("station")) {
			jsonArry = readExcel(fullPath, fileName);
		} else if (type.equals("line")) {
			System.out.println("===============:line");
		} else if (type.equals("pipeline")) {
			System.out.println("===============:pipeline");
		} else if (type.equals("jdj")) {
			System.out.println("===============:jdj");
		}
	}
	return jsonArry;
}

// 判断文件类型
public Workbook createWorkBook(InputStream is, String excelFileName)
		throws IOException {
	if (excelFileName.toLowerCase().endsWith("xls")) {
		return new HSSFWorkbook(is);
	}
	if (excelFileName.toLowerCase().endsWith("xlsx")) {
		return new XSSFWorkbook(is);
	}
	return null;
}

public JSONArray readExcel(String basePath, String fileName)
		throws FileNotFoundException, IOException {
	File file = new File(basePath);
	Workbook book = createWorkBook(new FileInputStream(file), fileName);
	JSONObject jsonObj = new JSONObject();
	JSONArray jsonArry = new JSONArray();
	Sheet sheet = book.getSheetAt(0);
	for (int i = 3; i < sheet.getLastRowNum(); i++) {
		Row row = sheet.getRow(i);
		String lon = row.getCell(2).getNumericCellValue() + "";
		String lat = row.getCell(3).getNumericCellValue() + "";
		jsonObj.put("lat", lat);// 纬度
		jsonObj.put("lon", lon);// 经度
		jsonArry.add(jsonObj);
	}
	System.out.println(jsonArry.toString());
	return jsonArry;
}