controller层
/**
* 导入excel模板
* */
@RequestMapping(value = "/importmoban", method = RequestMethod.POST)
@ResponseBody
public Map<String, String> importmoban(MultipartFile uploadfile,@ModelAttribute ActivitiesBean bean, HttpServletResponse response,HttpServletRequest request) throws IOException {
try {
String attachPath = request.getSession().getServletContext().getRealPath("/muban");
String name=uploadfile.getOriginalFilename();
String path=attachPath+File.separator+name;
File file= new File(path);
uploadfile.transferTo(file);
return activitiesService.importmoban(file, bean);
} catch (IOException e) {
Map<String, String> map = new HashMap<String, String>();
map.put("returnMess", "导入失败！");
return map;
}
}
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service层
public Map<String, String> importmoban(File file,ActivitiesBean bean);
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serviceImpl层
@Override
public Map<String, String> importmoban(File uploadfile,ActivitiesBean bean){
Map<String, String> resultMap = new HashMap<String, String>();
List<ActivitiesBean> planList = new ArrayList<ActivitiesBean>();
int errRownum = 0;
try {
Workbook workBook = null;
try {
workBook = new XSSFWorkbook(new FileInputStream(uploadfile));// 支持xlsx
} catch (Exception ex) {
workBook = new HSSFWorkbook(new FileInputStream(uploadfile));// 支持 xls
}
NumberFormat numberFormat = NumberFormat.getInstance();// 创建一个数值格式化对象
numberFormat.setMaximumFractionDigits(2);// 设置精确到小数点后2位
for (int numSheet = 0; numSheet < workBook.getNumberOfSheets(); numSheet++) {
Sheet sheet = workBook.getSheetAt(numSheet);
if (sheet == null) {
continue;
}
//标题行
Row titleRow = sheet.getRow(1);
// 循环行Row
for (int rowNum = 4; rowNum <= sheet.getLastRowNum(); rowNum++) {
errRownum = rowNum;
Row row = sheet.getRow(rowNum);
if (row == null) {
continue;
}
ActivitiesBean activitiesBean = new ActivitiesBean();
//读取编号
String committee = ExcelUtil.getCellValue(row.getCell(0)).replaceAll(" ", "");
if (null != committee && !"".equals(committee)) {
activitiesBean.setCOMMITTEE(Integer.parseInt(committee));
String uuid = BasicTool.getUUID();生成主键id
activitiesBean.setID(uuid);
activitiesBean.setCREATED(new Date());日期
}
//读取姓名
String committeename = ExcelUtil.getCellValue(row.getCell(1)).replaceAll(" ", "");
if (null != committeename && !"".equals(committeename)) {
activitiesBean.setCOMMITTEENAME(committeename);
}
//读取会议应参加
String mettingshoublebe = ExcelUtil.getCellValue(row.getCell(2)).replaceAll(" ", "");
if (null != mettingshoublebe && !"".equals(mettingshoublebe)) {
activitiesBean.setMETTINGSHOUBLEBE(Integer.parseInt(mettingshoublebe));
}
//读取会议实参加
String mettingtruebe = ExcelUtil.getCellValue(row.getCell(3)).replaceAll(" ", "");
if (null != mettingtruebe && !"".equals(mettingtruebe)) {
activitiesBean.setMETTINGTRUEBE(Integer.parseInt(mettingtruebe));
}
//读取会议参加率
//String mettingrate = ExcelUtil.numOfImport(row.getCell(4)).replaceAll(" ", "");
if (null != mettingtruebe && !"".equals(mettingtruebe) && null != mettingshoublebe && !"".equals(mettingshoublebe)) {
String mettingrate=numberFormat.format((float) (Integer.parseInt(mettingtruebe)) / (float) (Integer.parseInt(mettingshoublebe)) * 100);
activitiesBean.setMETTINGRATE(Double.parseDouble(mettingrate));
}
//读取调研应参加
String researchshoublebe = ExcelUtil.getCellValue(row.getCell(5)).replaceAll(" ", "");
if (null != researchshoublebe && !"".equals(researchshoublebe)) {
activitiesBean.setRESEARCHSHOUBLEBE(Integer.parseInt(researchshoublebe));
}
//读取调研实参加
String researchtruebe = ExcelUtil.getCellValue(row.getCell(6)).replaceAll(" ", "");
if (null != researchtruebe && !"".equals(researchtruebe)) {
activitiesBean.setRESEARCHTRUEBE(Integer.parseInt(researchtruebe));
}
//读取调研参加率
//String researchrate = ExcelUtil.numOfImport(row.getCell(7)).replaceAll(" ", "");
if (null != researchtruebe && !"".equals(researchtruebe) && null != researchshoublebe && !"".equals(researchshoublebe)) {
String researchrate=numberFormat.format((float) (Integer.parseInt(researchtruebe)) / (float) (Integer.parseInt(researchshoublebe)) * 100);
activitiesBean.setRESEARCHRATE(Double.parseDouble(researchrate));
}
//读取其他活动应参加OTHERSHOUBLEBE
String othershoublebe = ExcelUtil.getCellValue(row.getCell(8)).replaceAll(" ", "");
if (null != othershoublebe && !"".equals(othershoublebe)) {
activitiesBean.setOTHERSHOUBLEBE(Integer.parseInt(othershoublebe));
}
//读取其他活动实参加
String othertruebe = ExcelUtil.getCellValue(row.getCell(9)).replaceAll(" ", "");
if (null != othertruebe && !"".equals(othertruebe)) {
activitiesBean.setOTHERTRUEBE(Integer.parseInt(othertruebe));
}
//读取其他活动参加率
//String otherrate = ExcelUtil.numOfImport(row.getCell(10)).replaceAll(" ", "");
if (null != othertruebe && !"".equals(othertruebe) && null != othershoublebe && !"".equals(othershoublebe)) {
String otherrate=numberFormat.format((float) (Integer.parseInt(othertruebe)) / (float) (Integer.parseInt(othershoublebe)) * 100);
activitiesBean.setOTHERRATE(Double.parseDouble(otherrate));
}
//读取备注
String remark = ExcelUtil.getCellValue(row.getCell(11)).replaceAll(" ", "");
if (null != remark && !"".equals(remark)) {
activitiesBean.setREMARK(remark);
}
if((activitiesBean.getCOMMITTEENAME())!=null && !"".equals((activitiesBean.getCOMMITTEENAME()))){
planList.add(activitiesBean);
}
}
}
// 返回Excel数据不合格的行数
int successRow = 0;// 成功条数
if (null != planList && planList.size() > 0) {
for (ActivitiesBean c : planList) {
activitiesBeanMapper.addActivities(c);
successRow++;
}
}else {
resultMap.put("returnMess", "未读取到数据！");
return resultMap;
}
FileTool.delFile(uploadfile);// 删除临时目录下的excel文件
resultMap.put("returnMess", "成功导入数据(共" + successRow + "条)！");
return resultMap;
} catch (Exception e) {
resultMap.put("returnMess", new StringBuffer("第").append(errRownum+1).append("行数据有误！").toString());
return resultMap;
}
}
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/**
* 删除已经存在的文件
*
* @param filePathAndName
* 文件存放路径
*/
public static void delFile(File file) {
try {
if (file.exists()) {
file.delete();
}
} catch (Exception e) {
System.out.println("删除文件操作出错");
e.printStackTrace();
}
}
---------------------
【转载，仅作分享，侵删】
作者：小志的博客
原文：https://blog.csdn.net/li1325169021/article/details/85336790
版权声明：本文为博主原创文章，转载请附上博文链接！
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