本篇繼續介紹用TestNG和excel檔案實現DDT場景。我們需要準備一個test-data.xlsx檔案，並且放到eclipse專案下。

1.準備test-data.xlsx檔案

2.利用POI讀取excel檔案內容，並儲存到一個二維陣列中。

package demo;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;

import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.openqa.selenium.By;  
import org.openqa.selenium.WebDriver;  
import org.openqa.selenium.chrome.ChromeDriver;  
import org.testng.annotations.DataProvider;  
import org.testng.annotations.Test;  
  
public class DDT2 {  
      
    @Test(dataProvider="testdata")  
    public void TestLogin(String username, String password) throws InterruptedException{  
  
        System.setProperty("webdriver.chrome.driver", ".\\Tools\\chromedriver.exe");  
        WebDriver driver = new ChromeDriver();  
        driver.manage().window().maximize();  
        driver.get("https://www.baidu.com");  
          
        // click login link  
        driver.findElement(By.xpath("//*[@id='u1']/a[7]")).click();  
        Thread.sleep(2000);  
          
        driver.findElement(By.xpath("//*[@id='TANGRAM__PSP_8__userName']")).clear();  
        driver.findElement(By.xpath("//*[@id='TANGRAM__PSP_8__userName']")).sendKeys(username);  
        driver.findElement(By.xpath("//*[@id='TANGRAM__PSP_8__password']")).clear();  
        driver.findElement(By.xpath("//*[@id='TANGRAM__PSP_8__password']")).sendKeys(password);  
          
    }  
      
    @DataProvider(name="testdata") 
    public Object[][] TestDataFeed() throws Exception{
   
        File src = new File(".\\Files\\test-data.xlsx");  
        FileInputStream fis = new FileInputStream(src);  
           
        @SuppressWarnings("resource")  
        XSSFWorkbook wb=new XSSFWorkbook(fis);    
        XSSFSheet sh1= wb.getSheetAt(0);  
    	int numberrow = sh1.getPhysicalNumberOfRows();
    		
    	Object [][] baidudata=new Object[numberrow][2];
    	
    	for(int i=0;i<numberrow;i++){  
            
            	baidudata[i][0] = sh1.getRow(i).getCell(0).getStringCellValue();
            	baidudata[i][1] = sh1.getRow(i).getCell(1).getStringCellValue();
            }
    	
    	return baidudata;
    	
    }
    
}