如何在不替换先前数据的情况下为每个循环实例在新行中将数据写入 excel sheet，即如何为每个循环实例附加行？

Question

我正在尝试将数据从网络 table 写入 excel sheet 并能够将数据写入 excel ，但是对于 for 循环的第二个实例覆盖数据或不写入数据，我的要求是将数据写入 excel 到 for 循环的每个新实例的新行而不是覆盖.. 是否可能..？任何帮助将不胜感激..提前致谢

数据正在写入 excel，但在 reader.setCellData

附近需要帮助

public class DataScraper {

 public static void main(String[] args) throws InterruptedException {


    WebDriver driver = new ChromeDriver();
    driver.manage().window().maximize();
    driver.manage().timeouts().implicitlyWait(40, TimeUnit.SECONDS);
    driver.get("https://etrain.info/in?PAGE=LIST--RAJ-TRAINS--1");

    //*[@id="lowerdata"]/table/tbody/tr[1]/td/table/tbody/tr[5]/td[1]/a
    //*[@id="lowerdata"]/table/tbody/tr[1]/td/table/tbody/tr[6]/td[1]/a
    //*[@id="lowerdata"]/table/tbody/tr[1]/td/table/tbody/tr[29]/td[1]/a


    String beforeXpath_TrainNoRow = "//td[@id='content']//tr[";
    String afterXpath_TrainNoRow = "]//td[1]";

    //div[@id='sublowerdata']//tr[3]//td[1]
    //div[@id='sublowerdata']//tr[11]//td[1]

    String beforeXpath_No = "//div[@id='sublowerdata']//tr[";
    String afterXpath_No = "]//td[1]";



    //int rowCount = TrainList.size();

    Xls_Reader reader = new Xls_Reader("C:\Selenium_Automation\Projects\DataDriven_FW\src\com\testdata\TrainSchedule.xlsx");

    if(!reader.isSheetExist("Rajdhani")) {
        reader.addSheet("Rajdhani");
        reader.addColumn("Rajdhani", "IslNo");
        //reader.addColumn("TrainSearch", "TrainName");


    }

    for(int i = 5; i<= 30; i++) {
        String actualXpath_TrainNoRow = beforeXpath_TrainNoRow + i + afterXpath_TrainNoRow ;
        WebElement TrainNo = driver.findElement(By.xpath(actualXpath_TrainNoRow));
        TrainNo.click();
        Thread.sleep(5000);

        List<WebElement> rows = driver.findElements(By.xpath("//table[@id='schtbl']//tr"));
        System.out.println("total rows is "+ rows.size());

        int rowCount = rows.size();

        for(int j = 3; j<= rowCount - 1; j++) {

            String actualXpath_No = beforeXpath_No + j + afterXpath_No ;
            String SrNo = driver.findElement(By.xpath(actualXpath_No)).getText();
            int islNo = Integer.parseInt(SrNo);
            System.out.println(islNo);

            reader.setCellData("Rajdhani", "IslNo", j, SrNo);

        }

        driver.navigate().back();
        driver.navigate().refresh();

    }

    //table[@id='schtbl']//tr -- table rows inner

}

}

来自 XlsReader 的 setCellData 方法

public boolean setCellData(String sheetName,String colName,int rowNum, 
String data){
        try{
        fis = new FileInputStream(path); 
        workbook = new XSSFWorkbook(fis);

        if(rowNum<=0)
            return false;

        int index = workbook.getSheetIndex(sheetName);
        int colNum=-1;
        if(index==-1)
            return false;


        sheet = workbook.getSheetAt(index);


        row=sheet.getRow(0);
        for(int i=0;i<row.getLastCellNum();i++){
            //System.out.println(row.getCell(i).getStringCellValue().trim());
            if(row.getCell(i).getStringCellValue().trim().equals(colName))
                colNum=i;
        }
        if(colNum==-1)
            return false;

        sheet.autoSizeColumn(colNum); 
        row = sheet.getRow(rowNum-1);
        if (row == null)
            row = sheet.createRow(rowNum-1);

        cell = row.getCell(colNum); 
        if (cell == null)
            cell = row.createCell(colNum);

        // cell style
        //CellStyle cs = workbook.createCellStyle();
        //cs.setWrapText(true);
        //cell.setCellStyle(cs);
        cell.setCellValue(data);

        fileOut = new FileOutputStream(path);

        workbook.write(fileOut);

        fileOut.close();    

        }
        catch(Exception e){
            e.printStackTrace();
            return false;
        }
        return true;
    }

Answer 1

嘿，不确定您要在此脚本中实现什么，但这是更新后的脚本。请更新以下代码中的 chrome 驱动程序路径和 excel 文件路径。仅供参考：xpath 可以有效地写入模式，但在此 post.

中没有触及它们

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.List;
import java.util.concurrent.TimeUnit;

import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.openqa.selenium.By;
import org.openqa.selenium.JavascriptExecutor;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.chrome.ChromeDriver;

public class TrainDeatils {

    public static void main(String[] args) throws InterruptedException, IOException {
        System.setProperty("webdriver.chrome.driver", "XXXchromedriver path goes here XXX");
        WebDriver driver = new ChromeDriver();
        driver.manage().window().maximize();
        driver.manage().timeouts().implicitlyWait(40, TimeUnit.SECONDS);
        driver.get("https://etrain.info/in?PAGE=LIST--RAJ-TRAINS--1");

        String beforeXpath_TrainNoRow = "//td[@id='content']//tr[";
        String afterXpath_TrainNoRow = "]//td[1]";
        String beforeXpath_No = "//div[@id='sublowerdata']//tr[";
        String afterXpath_No = "]//td[1]";

        XSSFWorkbook workbook = new XSSFWorkbook();
        XSSFSheet spreadsheet = workbook.createSheet( "Rajdhani");
        XSSFRow header;
        header = spreadsheet.createRow(0);
        header.createCell(0).setCellValue("Rajdhani");
        header.createCell(1).setCellValue("IslNo");
        int rowNumber = 1;
        for(int i = 5; i<= 7; i++) {
            Thread.sleep(1000);
            String actualXpath_TrainNoRow = beforeXpath_TrainNoRow + i + afterXpath_TrainNoRow ;
            WebElement TrainNo = driver.findElement(By.xpath(actualXpath_TrainNoRow));
            TrainNo.click();
            Thread.sleep(5000);

            List<WebElement> rows = driver.findElements(By.xpath("//table[@id='schtbl']//tr"));
            System.out.println("total rows is "+ rows.size());

            int rowCount = rows.size();

            for(int j = 3; j<= rowCount - 1; j++) {
                rowNumber = rowNumber+1;
                XSSFRow currentRow = spreadsheet.createRow(rowNumber);
                String actualXpath_No = beforeXpath_No + j + afterXpath_No ;
                String SrNo = driver.findElement(By.xpath(actualXpath_No)).getText();
                int islNo = Integer.parseInt(SrNo);
                System.out.println(islNo);
                currentRow.createCell(0).setCellValue(j);
                currentRow.createCell(1).setCellValue(SrNo);
            }

            driver.navigate().back();
            driver.navigate().refresh();

        }
        FileOutputStream out = new FileOutputStream(new File("XXXexcel file path goes hereXXX\TrainDetails.xlsx"));

        workbook.write(out);
        out.close();
        driver.close();



    }

}

如何在不替换先前数据的情况下为每个循环实例在新行中将数据写入 excel sheet，即如何为每个循环实例附加行？

how to write data into excel sheet in new row for every loop instance without replacing previous data i.e how to append rows for every loop instance?

java

excel

selenium

data-driven

append