Main2Activity.java

import androidx.appcompat.app.AppCompatActivity;

import android.content.Intent;
import android.os.Bundle;
import android.util.Log;

public class Main2Activity extends AppCompatActivity {

private static final String TAG = "Main2Activity";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main2);

Intent intent = getIntent(http://www.my516.com);//获取当前活动的 Intent

if(intent != null){
LoginBean login = (LoginBean) intent.getSerializableExtra("bean");//关键！！！
Log.e(TAG,login.toString());
}

}
}