下面是一个完整的示例代码,将创建Workbook对象、写入数据并保存到本地文件: importorg.apache.poi.ss.usermodel.*;importjava.io.FileOutputStream;importjava.io.IOException;publicclassExcelWriter{publicstaticvoidmain(String[]args){Workbookworkbook=newXSSFWorkbook();Sheetsheet=workbook.createSheet("Sheet1");Row...
Workbook是哪个依赖中的类java workbook_activate 1. 打开Excel表格 1. 创建表格 from openpyxl import Workbook # 实例化 wb = Workbook() # 激活 worksheet ws = wb.active 1. 2. 3. 4. 5. 2. 打开已存在Excel表格 通过调用方法load_workbook(filename)进行文件读取,该方法中还有一个read_only参数用于设...
1importjava.io.File;2importjxl.Sheet;3importjxl.Workbook;4importjxl.write.Label;5importjxl.write.WritableSheet;6importjxl.write.WritableWorkbook;78publicclassNew {9publicstaticvoidmain(String args[]) {10try{11longstime=System.currentTimeMillis();12booleanflag=false;//设置检查标记13longcount=0;//...
1、异常java.lang.NoClassDefFoundError: org/apache/poi/UnsupportedFileFormatException 解决方法:使用的poi的相关jar包一定版本一定要相同!!! 2、maven所使用jar包,没有使用maven的话,就用poi-3.9.jar和poi-ooxml-3.9.jar(这个主要是用于Excel2007以后的版本)两个jar包就行() 代码语言:javascript 复制 <dependency...
1. 读取具体位置的excel数据 packagecom.royan.weakey.platform.common.excel;importlombok.extern.slf4j.Slf4j;importorg.apache.poi.hssf.usermodel.HSSFWorkbook;importorg.apache.poi.ss.usermodel.Cell;importorg.apache.poi.ss.usermodel.Sheet;importorg.apache.poi.ss.usermodel.Workbook;importjava.io.File;impor...
1:实体对象 @Data@Accessors(chain=true)publicclassUserExcelVO{@Label("用户号")privateString userNo;@Label("期数")privateInteger suserNum;@Label("金额")privateString amt;}@Target({METHOD,FIELD})@Retention(RUNTIME)@Documentedpublic@interfaceLabel{Stringvalue()default"";} ...
2:解析excel数据 @OverridepublicvoidsyncUserInfo(MultipartFile file){String fileExtension=Files.getFileExtension(file.getOriginalFilename());if(!"XLSX".equalsIgnoreCase(fileExtension)){thrownewException();}try{XSSFWorkbook wb=newXSSFWorkbook(file.getInputStream());List<UserInfo>userInfos = getUserInfos(wb...
We can create a new workbook in MS excel using following ways – Method 1: Click on theStartButton. Go toAll Programs–Accessories–Microsoft Office–Microsoft Excel Microsoft Excel will be opened with a default Workbook book named "book1". ...
import java.io.IOException; /** * @Auther: zjk * @Date: 2019/8/30 * @Description: */ public class TestExcel1 { public static void main(String[] args) { try { //创建工作簿 XSSFWorkbook xssfWorkbook = new XSSFWorkbook(new FileInputStream("D:\\test-excel\\student.xlsx")); ...
import java.io.FileInputStream; import java.io.IOException; /** * @Auther: zjk * @Date: 2019/8/30 * @Description: */ public class TestExcel1 { public static void main(String[] args) { try { //创建工作簿 XSSFWorkbook xssfWorkbook = new XSSFWorkbook(new FileInputStream("D:\\test-...