<?xml version="1.0" encoding="UTF-8" ?>    
<!DOCTYPE log4j:configuration SYSTEM  "log4j.dtd">
<log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/"debug="false">
  <appender name="fileAppender" class="org.apache.log4j.FileAppender">
  <param name="Threshold" value="INFO"/>
  <param name="file" value="logfile.log"/>
  <layout class="org.apache.log4j.PatternLayout">
            <param name="ConversionPattern" value="%d %-5p [%c{1}] %m %n"/>
  </layout>>
</appender>
<root>
  <level value="INFO"/>
  <appender-ref ref="fileAppender"/>
</root>
</log4j:configuration>

package china;

import org.apache.log4j.Logger;

public class log {
    private static Logger Log=Logger.getLogger(log.class.getName());
    public static void startTestCase(String sTestCaseName){
        Log.info("-------------------------------------------");
        Log.info("*************"+sTestCaseName+"*************");
    }
    public static void endTestCase(String sTestCaseName){
        Log.info("****************测试用例执行结束****************");
        Log.info("-------------------------------------------");
    }
    public static void info(String message){
        Log.info(message);
    }
    public static void warn(String message){
        Log.info(message);
    }
    public static void error(String message){
        Log.info(message);
    }
    public static void fatal(String message){
        Log.info(message);
        
    }
    public static void debug(String message){
        Log.info(message);
    }
}

package china;

import org.testng.annotations.Test;
import org.testng.annotations.BeforeMethod;
import org.apache.log4j.xml.DOMConfigurator;
import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.chrome.ChromeDriver;
import org.testng.annotations.AfterMethod;
import org.testng.annotations.BeforeClass;

public class testLog4j {
    public WebDriver driver;
    String baseUrl="http://www.sogou.com";
  @Test
  public void f() {
      log.startTestCase("搜索");
      driver.get(baseUrl);
      log.info("打开sogou首页");
      driver.findElement(By.id("query")).sendKeys("自动化测试");
      log.info("输入搜索关键字“自动化测试”");
      driver.findElement(By.id("stb")).click();
      log.info("单机搜索按钮");
      log.endTestCase("搜索");
  }
  @BeforeMethod
  public void beforeMethod() {
      System.setProperty("webdriver.chrome.driver", "C:\\chromedriver\\chromedriver.exe");
      driver=new ChromeDriver();
  }

  @AfterMethod
  public void afterMethod() {
      driver.quit();
  }

  @BeforeClass
  public void beforeClass() {
      DOMConfigurator.configure("log4j.xml");
  }

}