Springmvc 使用 AbstractExcelView 匯出excel
阿新 • • 發佈:2018-11-12
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頁面呼叫:
$("#exportBtn").click(function () { location.href = "${pageContext.request.contextPath}/report/export?" + $("form").serialize() });
參考了網上資料,實現Spring mvc 下Excel匯出 ,如有更好方法請大家拍磚
1.新建類繼承AbstractExcelView
Java程式碼- import java.io.OutputStream;
- import java.util.Map;
- import
- import javax.servlet.http.HttpServletRequest;
- import javax.servlet.http.HttpServletResponse;
- import org.apache.poi.hssf.usermodel.HSSFCell;
- import org.apache.poi.hssf.usermodel.HSSFCellStyle;
- import org.apache.poi.hssf.usermodel.HSSFRow;
- import org.apache.poi.hssf.usermodel.HSSFSheet;
- import org.apache.poi.hssf.usermodel.HSSFWorkbook;
- import org.springframework.web.servlet.view.document.AbstractExcelView;
- public class ViewExcel extends AbstractExcelView {
- @Override
- protected void buildExcelDocument(Map<String, Object> obj,
- HSSFWorkbook workbook, HttpServletRequest request, HttpServletResponse response)
- throws Exception {
- HSSFSheet sheet = workbook.createSheet("list");
- sheet.setDefaultColumnWidth((short) 12);
- HSSFCell cell = getCell(sheet, 0, 0);
- setText(cell, "Spring Excel test");
- HSSFCellStyle dateStyle = workbook.createCellStyle();
- //dateStyle.setDataFormat(HSSFDataFormat.getBuiltinFormat("mm/dd/yyyy"));
- cell = getCell(sheet, 1, 0);
- cell.setCellValue("日期:2008-10-23");
- //cell.setCellStyle(dateStyle);
- getCell(sheet, 2, 0).setCellValue("測試1");
- getCell(sheet, 2, 1).setCellValue("測試2");
- HSSFRow sheetRow = sheet.createRow(3);
- for (short i = 0; i < 10; i++) {
- sheetRow.createCell(i).setCellValue(i * 10);
- }
- String filename = "測試.xls";//設定下載時客戶端Excel的名稱
- filename = MyUtils.encodeFilename(filename, request);//處理中文檔名
- response.setContentType("application/vnd.ms-excel");
- response.setHeader("Content-disposition", "attachment;filename=" + filename);
- OutputStream ouputStream = response.getOutputStream();
- workbook.write(ouputStream);
- ouputStream.flush();
- ouputStream.close();
- }
- }
處理中文檔名的方法:
Java程式碼- /**
- * 設定下載檔案中檔案的名稱
- *
- * @param filename
- * @param request
- * @return
- */
- public static String encodeFilename(String filename, HttpServletRequest request) {
- /**
- * 獲取客戶端瀏覽器和作業系統資訊
- * 在IE瀏覽器中得到的是:User-Agent=Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; Maxthon; Alexa Toolbar)
- * 在Firefox中得到的是:User-Agent=Mozilla/5.0 (Windows; U; Windows NT 5.1; zh-CN; rv:1.7.10) Gecko/20050717 Firefox/1.0.6
- */
- String agent = request.getHeader("USER-AGENT");
- try {
- if ((agent != null) && (-1 != agent.indexOf("MSIE"))) {
- String newFileName = URLEncoder.encode(filename, "UTF-8");
- newFileName = StringUtils.replace(newFileName, "+", "%20");
- if (newFileName.length() > 150) {
- newFileName = new String(filename.getBytes("GB2312"), "ISO8859-1");
- newFileName = StringUtils.replace(newFileName, " ", "%20");
- }
- return newFileName;
- }
- if ((agent != null) && (-1 != agent.indexOf("Mozilla")))
- return MimeUtility.encodeText(filename, "UTF-8", "B");
- return filename;
- } catch (Exception ex) {
- return filename;
- }
- }
2接下來在你的下載 Controller裡面返回ModelAndView 即可
Java程式碼- /**
- * 匯出Excel
- * @param model
- * @param projectId
- * @param request
- * @return
- */
- @RequestMapping(value="/dcExcel",method=RequestMethod.GET)
- public ModelAndView toDcExcel(ModelMap model, HttpServletRequest request){
- List list = new ArrayList(); //測試資料沒有用到
- Map map = new HashMap();
- list.add("test1");
- list.add("test2");
- map.put("list", list);
- ViewExcel viewExcel = new ViewExcel();
- return new ModelAndView(viewExcel, model);
- }
程式碼很簡單,只實現下載,關於Excel 格式資料方面請參考 poi 框架