如何通过命令行传递参数给testng xml

<!DOCTYPE suite SYSTEM "http://testng.org/testng-1.0.dtd">
<suite name="MyTestSuite">
  <test name="MyTestCase">
    <classes>
      <class name="com.example.MyTestClass"/>
    </classes>
  </test>
</suite>

<!DOCTYPE suite SYSTEM "http://testng.org/testng-1.0.dtd">
<suite name="MyTestSuite">
  <test name="MyTestCase">
    <parameter name="browser" value="chrome"/>
    <classes>
      <class name="com.example.MyTestClass"/>
    </classes>
  </test>
</suite>

import org.testng.annotations.Parameters;
import org.testng.annotations.Test;

public class MyTestClass {
  @Parameters("browser")
  @Test
  public void testMethod(String browser) {
    System.out.println("Browser: " + browser);
  }
}

java -cp "testng.jar:myproject.jar" org.testng.TestNG -suitethreadpoolsize 1 -testclass com.example.MyTestClass -Dbrowser=firefox -xmlpathinjar testng.xml