also you might want to use the Point class available in java.awt directly.http://docs.oracle.com/javase/7/docs/api/java/awt/Point.html EDIT: regarding fetching values from excel this is what i understand from your question you have 24 rows with 2 columns first column has x, second colu...
import java.io.FileInputStream; import java.io.IOException; import java.util.Iterator; /** * 描述: * * * @author: 赵新国 * @date: 2018/6/7 14:53 */ public class ReadWriteExcelMain { public static void main(String [] args) throws IOException { readFileUsingPOI(); } public stati...
package com.org.tests; import org.apache.poi.xssf.usermodel.*; import java.io.FileInputStream; import java.io.IOException; public class ExcelSimpleTest { String path; public FileInputStream fis = null; private XSSFWorkbook workbook = null; private XSSFSheet sheet = null; private XSSFRow row ...
This article demonstrate how to create and how to read Excel files with the Java Excel API. 1. Installation Download the Java Excel library from the webpage To use this library in your Java program add the lib jxl.jar to your classpath in your project. See Changing classpath in ...
//生成Excel的类 import java.io.*; import jxl.*; import jxl.write.*; public class CreateXLS { public static void main(String args[]) { try { //打开文件 WritableWorkbook book= Workbook.createWorkbook(new File(“测试.xls”)); //生成名为“第一页”的工作表,参数0表示这是第一页 ...
import java.util.concurrent.locks.Lock; import java.util.concurrent.locks.ReentrantLock;/** * 测试读取excel文件的read方法 * @author wang-xiaoming **/publicclassTestExcel2 {/** * 加锁*/staticfinal Locklock=newReentrantLock();//选择一个根目录privatestaticfinal String ROOT ="D:\\share\\test\...
import java.lang.annotation.Target; /** * 自定义导出Excel数据注解 * * @author ruoyi */ @Retention(RetentionPolicy.RUNTIME) @Target(ElementType.FIELD) public @interface Excel { /** * 导出到Excel中的名字. */ public String name();
public class ReadDataFromExcel extends Page { public static void main(String[] args) { ReadDataFromExcel rdfe = new ReadDataFromExcel(); String vOutput = rdfe.ReadCellData(1, 0); //System.out.println(vOutput); } //method defined for reading a cell public String ReadCellData(in...
FreeSpire.XLS for Java is a totally independent Excel library, Microsoft Office or Microsoft Excel is not required in order to use Spire.XLS for Java. High Quality File Conversion FreeSpire.XLS for Java allows converting files fromExcel to PDF, Excel to HTML, Excel to CSV, Excel to Text,Exc...
以POI的逻辑按从左到右从上到下的过程读取excel表,在读取过程中因为业务需求,在excel单元格中存储有查询对应数据所需的sql,但读取完sql并从对应数据库查值后将值放回cell对象中时将影响与该单元格相关的excel公式计算.于是曲线救国! 逻辑如下: 第一次遍历单元格将忽略有公式格式的单元格的内容,并同时将有sql的...