@PostMapping("/import") publicJSONArray importUser(@RequestPart("file")MultipartFile file)throwsException { JSONArray array = ExcelUtils.readMultipartFile(file); System.out.println("导入数据为:"+ array); returnarray; } 测试效果: 1.2.2 导入解析为对象(基础) 首先,你需要创建一个与导入表格对应的J...
DimarrSplitStrings()As String Dim num As Integer arrSplitStrings=Split(path,sep)num=UBound(arrSplitStrings)getFileName=arrSplitStrings(num)End Function Split(expression, [delimiter, [limit, [compare]]]) Returns a zero-based, one-dimensional array containing a specified number of substrings. UBou...
@OverridepublicvoidaddSubJect(MultipartFile file,IEduSubjectService eduSubjectService) {try{//文件输入流InputStream in =file.getInputStream();//调用读方法,通过监听类把数据保存到数据库EasyExcel.read(in, SubJectData.class,newSubJectExcelListener(eduSubjectService)).sheet().doRead(); }catch(Exception ...
import datetime from random import choice from time import time from openpyxl import load_workbook from openpyxl.utils import get_column_letter # 设置文件 mingc addr = "openpyxl.xlsx" # 打开文件 wb = load_workbook(addr) # 创建一张新表 ws = wb.create_sheet() # 第一行输入 ws.append(['T...
HSSFSheet getSheet(String sheetName); 通过名称获取Sheet HSSFSheet getSheetAt(int index); // 通过索引获取Sheet,索引从0开始 HSSFCellStyle createCellStyle(); 创建单元格样式 int getNumberOfSheets(); 获取sheet的个数 setActiveSheet(int index); 设置默认选中的工作表 ...
Some worksheets contain more array formulas that refer to other worksheets than are supported by the selected file format. Some of these array formulas will not be saved and will be converted to #VALUE! errors. What it means Beginning with Excel 2007, workbook arrays that refer to...
importorg.apache.poi.xssf.usermodel.XSSFSheet;importorg.apache.poi.xssf.usermodel.XSSFWorkbook;importorg.junit.Test;importjava.io.ByteArrayInputStream;importjava.io.ByteArrayOutputStream;importjava.io.IOException;importjava.io.InputStream;importjava.math.BigDecimal;importjava.util.ArrayList;importjava.util...
Select the range of empty cells, say D2:D6, and enter the following formula in the formula bar: =B2:B6 * C2:C6 * 0.1 Once you pressCtrl + Shift + Enter, Excel will place an instance of your array formula in each cell of the selected range, and you will get the following result...
Engineering: Returns a bitwise 'Exclusive Or' of two numbers BYCOL (2024) Logical: Applies a LAMBDA to each column and returns an array of the results BYROW (2024) Logical: Applies a LAMBDA to each row and returns an array of the results CALL Add-in and Automation: Calls a...
final Workbook workBook = ExcelUtil.getWorkBook(file); // 此多线程方法仅供测试,如上正式环境 需要封装,会导致系统CPU炸裂 // 多sheet导入用线程池 // int nThreads = 4; // ThreadPoolExecutor threadPoolExecutor = new ThreadPoolExecutor(nThreads, nThreads, 0L, TimeUnit.MILLISECONDS, new ArrayBlocking...