android回传值

package com.ycp.intentforback;

import java.io.Serializable;

public class User implements Serializable {
    String name;
    String age;

    public User() {

    }
    public User(String name, String age) {
        this.name = name;
        this.age = age;
    }

    public String getName() {
        return name;
    }

    public String getAge() {
        return age;
    }

    public void setName(String name) {
        this.name = name;
    }

    public void setAge(String age) {
        this.age = age;
    }
}

  protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        et_name = (EditText) findViewById(R.id.et_name);
        et_age = (EditText) findViewById(R.id.et_age);
        login = (Button) findViewById(R.id.login);

        login.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent = new Intent(MainActivity.this,Main2Activity.class);
                User user = new User();
                String s = et_name.getText().toString();
                String s1 = et_age.getText().toString();
                user.setName(s);
                user.setAge(s1);

                intent.putExtra("goto",user);
                startActivityForResult(intent,101);

            }
        });

    }
//接收回传值方法
    @Override
    protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        Userback userback = (Userback) data.getSerializableExtra("forback");
        et_name.setText(userback.getWork());
        et_age.setText(userback.getXingzuo());
    }
}

package com.ycp.intentforback;

import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;

import java.io.Serializable;

public class Main2Activity extends AppCompatActivity {

    private TextView tv_name;
    private TextView tv_age;
    private EditText et_work;
    private EditText et_xingzuo;
    private Button btn;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main2);
        tv_name = (TextView) findViewById(R.id.tv_name);
        tv_age = (TextView) findViewById(R.id.tv_age);

        et_work = (EditText) findViewById(R.id.et_work);
        et_xingzuo = (EditText) findViewById(R.id.et_xingzuo);
        btn = (Button) findViewById(R.id.btn);

        Intent intent = getIntent();
        User user =(User) intent.getSerializableExtra("goto");
        tv_name.setText(user.getName());
        tv_age.setText(user.getAge());

        btn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent1 = new Intent();
                String s = et_work.getText().toString();
                String s1 = et_xingzuo.getText().toString();
                Userback userback = new Userback(s,s1);
                intent1.putExtra("forback",userback);
                setResult(1,intent1);
                finish();
            }
        });
    }
}