Eolink上传文件配置：
接收文件请求并进行业务处理
@RequestMapping(value = "shangchuan")
@ResponseBody
public synchronized R fileUpload(HttpServletRequest request) {
try {
String[] fields = { "gddname", "lineName", "gddgpsjd", "gddgpswd", "remarks" };
List<DqGddname> list = ExcelImportUtil.getImportData(fields, DqGddname.class, request);
for (DqGddname dqGddname : list) {
EntityWrapper<DqLinename> entityWrapper = new EntityWrapper<DqLinename>();
Wrapper<DqLinename> wrapper = entityWrapper.eq("linename", dqGddname.getLineName());
DqLinename dqLinename = dqLinenameService.selectOne(wrapper);
if (dqLinename == null) {
return R.error("线路数据不存在");
} else {
dqGddname.setLineid(dqLinename.getId());
}
if (!"".equals(dqGddname.getGddgpsjd()) || !"".equals(dqGddname.getGddgpswd())) {
Double pox = Double.parseDouble(dqGddname.getGddgpsjd());
Double poy = Double.parseDouble(dqGddname.getGddgpswd());
Gps gps = PositionUtil.gps84_To_Gcj02(poy, pox);
Double px = gps.getWgLat();
Double py = gps.getWgLon();
dqGddname.setGpsGcjWd(String.valueOf(px));
dqGddname.setGpsGcjJd(String.valueOf(py));
}
EntityWrapper<DqGddname> eWrapper = new EntityWrapper<>();
eWrapper.eq("lineid", dqGddname.getLineid()).eq("gddname", dqGddname.getGddname());
DqGddname temp = dqGddnameService.selectOne(eWrapper);
if (temp != null) {
dqGddname.setId(temp.getId());
}
}
dqGddnameService.insertOrUpdateBatch(list);
return R.ok();
} catch (Exception e) {
logger.error("ERROR：", e);
return R.error("上传失败");
}
}
public static <T> List<T> getImportData(String[] fields, Class<T> clz, HttpServletRequest request)
throws IOException, InvalidFormatException, InstantiationException, IllegalAccessException,
NoSuchMethodException, InvocationTargetException, NoSuchFieldException, SecurityException {
return ExcelImportUtil.getImportData(0, fields, clz, request);
}
public static <T> List<T> getImportData(int sheetIndex, String[] fields, Class<T> clz, HttpServletRequest request)
throws IOException, InvalidFormatException, InstantiationException, IllegalAccessException,
NoSuchMethodException, InvocationTargetException, NoSuchFieldException, SecurityException {
List<T> datas = new ArrayList<>();
Workbook wb = getWorkbookFromRequest(request);
Sheet sheet = wb.getSheetAt(sheetIndex);
// 获取总行数
int rows = sheet.getPhysicalNumberOfRows();
if (rows >= 2) {
for (int start = 1; start < rows; start++) {
// 从第三行开始逐行获取
Row row = sheet.getRow(start);
if (row == null) {
continue;
}
if (fields != null) {
T obj = clz.getDeclaredConstructor().newInstance();
for (int i = 0; i < fields.length; i++) {
Cell cell = row.getCell(i);
String cellValue = getCellValue(cell);
String fieldName = fields[i];
Field field = null;
try {
field = obj.getClass().getDeclaredField(fieldName);
} catch (NoSuchFieldException e) {
field = obj.getClass().getSuperclass().getDeclaredField(fieldName);
}
field.setAccessible(true);
setFieldValue(field, obj, cellValue);
}
datas.add(obj);
}
}
}
return datas;
}
public static <T> List<T> getImportData(String[] fields, Class<T> clz, HttpServletRequest request)
throws IOException, InvalidFormatException, InstantiationException, IllegalAccessException,
NoSuchMethodException, InvocationTargetException, NoSuchFieldException, SecurityException {
return ExcelImportUtil.getImportData(0, fields, clz, request);
}
private static String getCellValue(Cell cell) {
String result = "";
if (cell != null) {
switch (cell.getCellType()) {
// 数字类型 +日期类型
case HSSFCell.CELL_TYPE_NUMERIC:
if (HSSFDateUtil.isCellDateFormatted(cell)) {// 处理日期格式、时间格式
SimpleDateFormat sdf = null;
if (cell.getCellStyle().getDataFormat() == HSSFDataFormat.getBuiltinFormat("h:mm")) {
sdf = new SimpleDateFormat("HH:mm");
} else {// 日期
sdf = new SimpleDateFormat("yyyy-MM-dd");
}
Date date = cell.getDateCellValue();
result = sdf.format(date);
} else if (cell.getCellStyle().getDataFormat() == 58) {
// 处理自定义日期格式：m月d日(通过判断单元格的格式id解决，id的值是58)
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
double value = cell.getNumericCellValue();
Date date = org.apache.poi.ss.usermodel.DateUtil.getJavaDate(value);
result = sdf.format(date);
} else {
HSSFDataFormatter dataFormatter = new HSSFDataFormatter();
result = String.valueOf(dataFormatter.formatCellValue(cell));
}
break;
// String类型
case HSSFCell.CELL_TYPE_STRING:
result = String.valueOf(cell.getStringCellValue());
break;
case HSSFCell.CELL_TYPE_BLANK:
result = "";
default:
result = null;
break;
}
}
return result;
}
private static void setFieldValue(Field field, Object obj, String value) throws IllegalAccessException {
Class<?> typeClass = field.getType();
if (typeClass == int.class || typeClass == Integer.class) {
if (StringUtils.isEmpty(value)) {
field.set(obj, 0);
} else {
field.set(obj, Integer.valueOf(value));
}
} else if (typeClass == short.class || typeClass == Short.class) {
if (StringUtils.isEmpty(value)) {
field.set(obj, 0);
} else {
field.set(obj, Short.valueOf(value));
}
} else if (typeClass == byte.class || typeClass == Byte.class) {
if (StringUtils.isEmpty(value)) {
field.set(obj, 0);
} else {
field.set(obj, Byte.valueOf(value));
}
} else if (typeClass == double.class || typeClass == Double.class) {
if (StringUtils.isEmpty(value)) {
field.set(obj, 0);
} else {
field.set(obj, Double.valueOf(value));
}
} else if (typeClass == long.class || typeClass == Long.class) {
if (StringUtils.isEmpty(value)) {
field.set(obj, 0L);
} else {
field.set(obj, Long.valueOf(value));
}
} else if (typeClass == String.class) {
if (StringUtils.isEmpty(value)) {
field.set(obj, "");
} else {
field.set(obj, value);
}
} else if (typeClass == boolean.class || typeClass == Boolean.class) {
if (StringUtils.isEmpty(value)) {
field.set(obj, false);
} else {
field.set(obj, Boolean.valueOf(value));
}
} else if (typeClass == BigDecimal.class) {
if (StringUtils.isEmpty(value)) {
field.set(obj, BigDecimal.ZERO);
} else {
field.set(obj, new BigDecimal(value));
}
} else if (typeClass == Date.class) {
field.set(obj, StringUtils.isEmpty(value) ? null : DateUtils.parseDate(value));
} else {
field.set(obj, value);
}
}
这里是上传的excel表格数据并转换为java集合对象、然后进行业务逻辑处理判断最后保存到数据库
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