conreoller层
java
@RequestMapping(value = "/importSave", method = RequestMethod.POST)
public ResultInfo importSave(@RequestParam("file") MultipartFile file,HttpServletRequest request) throws Exception {
PfUserInfo curUserInfo = (PfUserInfo) ControllerUtils.getCurUserInfo(request);
LinkedHashMap<Integer, List<String>> errMap = pjProjectInfoService.readExcel(file,curUserInfo);
if (errMap != null && errMap.size() > 0) {
JSONArray json = new JSONArray();
JSONObject obj = null;
JSONArray errJson = null;
List<String> list = null;
JSONObject errObj = null;
for (Map.Entry<Integer, List<String>> entry : errMap.entrySet()) {
obj = new JSONObject();
obj.put("row", entry.getKey());
list = entry.getValue();
errJson = new JSONArray();
for (String err : list) {
errObj = new JSONObject();
errObj.put("error", err);
errJson.add(errObj);
}
obj.put("errList", errJson);
json.add(obj);
}
return ResultInfo.ok(json);
}
return ResultInfo.ok();
}service层
java
@Override
public LinkedHashMap<Integer, List<String>> readExcel(MultipartFile file, PfUserInfo curUserInfo) throws Exception {
LinkedHashMap<Integer, List<String>> errMap = new LinkedHashMap<>();
//检查文件
this.checkFile(file);
//获得Workbook工作薄对象
Workbook workbook = getWorkBook(file);
boolean isXSSFWorkbook = !(workbook instanceof HSSFWorkbook);
//获取文档指定sheet中所有图片：图片位置、文件流
Map<String, PictureData> pictures;
//创建返回对象，把每行中的值作为一个数组，所有行作为一个集合返回
List<String[]> list = new ArrayList<>();
if (workbook != null) {
//获得当前sheet工作表
Sheet sheet = workbook.getSheetAt(1);
if (sheet == null) {
return null;
}
if (isXSSFWorkbook) {
pictures = getSheetPictures07((XSSFSheet) sheet, (XSSFWorkbook) workbook);
} else {
pictures = getSheetPictures03((HSSFSheet) sheet, (HSSFWorkbook) workbook);
}
//获得当前sheet的结束行
int lastRowNum = sheet.getLastRowNum();
//循环除了第一行的所有行
this.rowList(sheet, lastRowNum, pictures, errMap, curUserInfo);
workbook.close();
} else {
throw new BusinessException("导入的文件没有对应的内容");
}
return errMap;
}上述service层中有调用其他方法
java
private void checkFile(MultipartFile file) throws IOException {
//判断文件是否存在
if (null == file) {
throw new FileNotFoundException("文件不存在！");
}
//获得文件名
String fileName = file.getOriginalFilename();
//判断文件是否是excel文件
if (!fileName.endsWith("xls") && !fileName.endsWith("xlsx")) {
throw new IOException(fileName + "不是excel文件");
}
}
private Workbook getWorkBook(MultipartFile file) {
//获得文件名
String fileName = file.getOriginalFilename();
//创建Workbook工作薄对象，表示整个excel
Workbook workbook = null;
try {
//获取excel文件的io流
InputStream is = file.getInputStream();
//根据文件后缀名不同(xls和xlsx)获得不同的Workbook实现类对象
if (fileName.endsWith("xls")) {
//2007往下
workbook = new HSSFWorkbook(is);
} else if (fileName.endsWith("xlsx")) {
//2007往上
workbook = new XSSFWorkbook(is);
}
} catch (IOException e) {
e.printStackTrace();
}
return workbook;
}
java
@SneakyThrows
private void rowList(Sheet sheet, int lastRowNum, Map<String, PictureData> pictures, LinkedHashMap<Integer, List<String>> errMap, PfUserInfo curUserInfo) {
List<String> errList;
PjProjectInfo pjProjectInfo = new PjProjectInfo();
pjProjectInfo.setProjectCode(this.nextProjectCode());
pjProjectInfo.setSoType(PjProjectInfo.SOTYPE_NEWMODEL);
pjProjectInfo.setManager(curUserInfo);
pjProjectInfo.setCreateTime(new Date());
//获取第一行数据，进行项目名称获取
Row row = sheet.getRow(0);
if (Optional.ofNullable(row).isPresent()) {
pjProjectInfo.setProjectName(String.valueOf(row.getCell(0)));
}
//获取第二行数据，供应商获取
row = sheet.getRow(1);
//具体的数据明细行
int startRow = 4;
//导入的行数据对象封装
List<Object[]> list = new ArrayList<>();
if (lastRowNum < startRow) return;
// 零件信息
LinkedHashMap<String, PjProject> projectList = new LinkedHashMap<>();
// 模具信息
LinkedHashMap<String, List<PjMold>> moldList = new LinkedHashMap<>();
// 图片信息
LinkedHashMap<String, PictureData> imageList = new LinkedHashMap<>();
Cell cell;
for (int rowNum = startRow; rowNum <= lastRowNum; rowNum++) {
//获得当前行
row = sheet.getRow(rowNum);
if (!Optional.ofNullable(row).isPresent()) {
continue;
}
errList = new ArrayList<>();
//获得当前行的开始列
int firstColumn = row.getFirstCellNum();
//获得当前行的列数
int lastColumn = row.getPhysicalNumberOfCells();
//行内所有列的值
String[] cells = new String[lastColumn];
//循环当前行的所有列
for (int column = firstColumn; column < lastColumn; column++) {
//遍历中的某列
cell = row.getCell(column);
// 判断是否合并行
boolean isMerge = isMergedRow(sheet, rowNum, column);
if (isMerge) {
PictureData image = pictures.get(row.getRowNum() + "_" + column);
//是合并行，
cells[column] = getMergedRegionValue(sheet, rowNum, column);
if (image != null) {
imageList.put((cells[1] + "__" + cells[2]), image);
}
} else {
//默认当前列内值
cells[column] = ExcelUtil.getValue(cell);
}
}
list.add(cells);
// 验证数据
this.verifyData(cells, rowNum + 1, errList, errMap, projectList, moldList);
}
// 保存数据
if (errMap.size() == 0) {
this.saveData(pjProjectInfo, projectList, moldList, imageList, curUserInfo);
}
}
java
private boolean isMergedRow(Sheet sheet, int row, int column) {
//当前表格(sheet)中，所有合单元格总数
int sheetMergeCount = sheet.getNumMergedRegions();
//遍历所有合并单元格
for (int i = 0; i < sheetMergeCount; i++) {
//当前合并单元格对象
CellRangeAddress cellAddresses = sheet.getMergedRegion(i);
//当前合并单元格的首列
int firstColumn = cellAddresses.getFirstColumn();
//当前合并单元格的末列
int lastColumn = cellAddresses.getLastColumn();
//当前合并单元格的首行
int firstRow = cellAddresses.getFirstRow();
//当前合并单元格的末行
int lastRow = cellAddresses.getLastRow();
//指定的行 包含在合并单元格中
if (row >= firstRow && row <= lastRow) {
//指定的列 包含在合并单元格中
if (column >= firstColumn && column <= lastColumn) {
return true;
}
}
}
return false;
}
java
private String getMergedRegionValue(Sheet sheet, int row, int column) {
// 获得该sheet所有合并单元格数量
int sheetMergeCount = sheet.getNumMergedRegions();
for (int i = 0; i < sheetMergeCount; i++) {
// 获得合并区域
CellRangeAddress cellAddresses = sheet.getMergedRegion(i);
int firstColumn = cellAddresses.getFirstColumn();
int lastColumn = cellAddresses.getLastColumn();
int firstRow = cellAddresses.getFirstRow();
int lastRow = cellAddresses.getLastRow();
//判断传入的单元格的行号列号是否在合并单元格的范围内，如果在合并单元格的范围内，择返回合并区域的首单元格格值
if (row >= firstRow && row <= lastRow) {
if (column >= firstColumn && column <= lastColumn) {
Row firRow = sheet.getRow(firstRow);
//获取单元格内容方法
return getCellValue(firRow, firstColumn).toString();
}
}
}
// 如果该单元格行号列号不在任何一个合并区域，则返回null
return null;
}
private Object getCellValue(Row row, int column) {
if (row == null) {
return row;
}
Object val = "";
try {
Cell cell = row.getCell(column);
switch (cell.getCellTypeEnum()) {
//数值
case NUMERIC:
// 如果是date类型则 ，获取该cell的date值
if (DateUtil.isCellDateFormatted(cell)) {
val = DateUtil.getJavaDate(cell.getNumericCellValue());
} else {
// 纯数字
val = cell.getNumericCellValue();
}
break;
//小数
case FORMULA:
if ((Double) cell.getNumericCellValue() % 1 != 0) {
val = new BigDecimal(cell.getNumericCellValue());
} else {
val = new DecimalFormat("0").format(cell.getNumericCellValue());
}
break;
// 字符串型
case STRING:
val = cell.getStringCellValue();
break;
// 布尔值
case BOOLEAN:
val = cell.getBooleanCellValue();
break;
// 故障
case ERROR:
val = cell.getErrorCellValue();
break;
default:
val = cell.getRichStringCellValue().toString();
}
} catch (Exception e) {
e.printStackTrace();
}
return val;
}