import java.util.List;

import org.openqa.selenium.By;

import org.openqa.selenium.WebElement;

public class WebTable {

    private WebElement webTable;

    public WebTable(WebElement webElement){

        this.webTable = webElement;

    }

    //等到表格的行数

    public int getRowCount(){

        List<WebElement>rowCounts = webTable.findElements(By.tagName("tr"));

        return rowCounts.size();

    }

    //得到指定行的列数

    public int getColCount(int rowId){

        List<WebElement>rowCounts = webTable.findElements(By.tagName("tr"));

        //取得当前的tr

        WebElement rowNum = rowCounts.get(rowId);

        //计算当前的td数

        List<WebElement>colCounts =rowNum.findElements(By.tagName("td"));

        return colCounts.size();

    }

    // 得到指定单元格的内容

    public  String getCellText(int rowIdx, int colIdx) {

        String text = "";

        try{

            List<WebElement> rowCounts = webTable.findElements(By.tagName("tr"));

            WebElement currentRow = rowCounts.get(rowIdx);

            List<WebElement> td = currentRow.findElements(By.tagName("td"));

            WebElement cell = td.get(colIdx);

             text = cell.getText();

        }catch(IndexOutOfBoundsException e){

            System.out.println("超出table边界值");

        }

        return text;

    }

}

import org.openqa.selenium.By;

import org.openqa.selenium.WebDriver;

import org.openqa.selenium.firefox.FirefoxDriver;

import org.testng.Assert;

import org.testng.annotations.Test;

public class testTable {

  @Test

  public void testTableWebElement() {

      WebDriver driver = new FirefoxDriver();

      driver.manage().window().maximize();

      driver.get("F:\\table.html");

      WebTable webtable = new WebTable(driver.findElement(By.tagName("table")));

      Assert.assertEquals(4, webtable.getRowCount());

      Assert.assertEquals(5, webtable.getColCount(1));

      System.out.println( webtable.getCellText(1, 1));

      driver.quit();

  }

}