public class Main extends Application {
public String device_ID(){
final TelephonyManager tm = (TelephonyManager) getApplicationContext().getSystemService(Context.TELEPHONY_SERVICE);
return tm.getDeviceId();
}
}
当我执行代码时,在此步骤中发生错误:
设置propertyname = IE.document.getElementsByTagName(“h4”)
错误:
BASIC运行时错误。未设置对象变量
请帮助我,如何从libre-macro中的网页中提取数据?