<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:tools="http://schemas.android.com/tools"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:paddingBottom="@dimen/activity_vertical_margin"

    android:paddingLeft="@dimen/activity_horizontal_margin"

    android:paddingRight="@dimen/activity_horizontal_margin"

    android:paddingTop="@dimen/activity_vertical_margin"

    tools:context="com.example.dell.fuwuqicunchu.fuwuqicunchu"

    android:orientation="vertical">

    <EditText

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:text="Hello World!"

        android:id="@+id/et_1"/>

    <LinearLayout

        android:layout_width="match_parent"

        android:layout_height="wrap_content">

        <Button

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:text="volleyget"

            android:onClick="volleyget"

            android:layout_weight="1"/>

        <Button

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:text="volleypost"

            android:onClick="volleypost"

            android:layout_weight="1"/>

    </LinearLayout>

    <EditText

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:id="@+id/et_2"/>

</LinearLayout>

package com.example.dell.myfuwuqi;

import android.app.ProgressDialog;

import android.os.Bundle;

import android.support.v7.app.AppCompatActivity;

import android.view.View;

import android.widget.EditText;

import android.widget.Toast;

import com.android.volley.AuthFailureError;

import com.android.volley.Request;

import com.android.volley.RequestQueue;

import com.android.volley.Response;

import com.android.volley.VolleyError;

import com.android.volley.toolbox.StringRequest;

import com.android.volley.toolbox.Volley;

import java.util.HashMap;

import java.util.Map;

public class webActivity extends AppCompatActivity {

    EditText et_1;

    EditText et_2;

    RequestQueue requestQueue;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_web);

        et_1=(EditText)findViewById(R.id.et_1);

        et_1.setText("http://192.168.1.101:8080/Testweb/testweb.jsp");

        et_2=(EditText)findViewById(R.id.et_2);

        requestQueue =Volley.newRequestQueue(this);

    }

    public void volleyget(View view)

    {

        final ProgressDialog progressDialog = new ProgressDialog(this);

        StringRequest str = new StringRequest(et_1.getText().toString(), new Response.Listener<String>() {

            @Override

            public void onResponse(String s) {

                et_2.setText(s);

                progressDialog.dismiss();

            }

        }, new Response.ErrorListener() {

            @Override

            public void onErrorResponse(VolleyError volleyError) {

                Toast.makeText(webActivity.this, "失败", Toast.LENGTH_SHORT).show();

                progressDialog.dismiss();

            }

        });

        requestQueue.add(str);

    }

    public void volleypost(View v)

    {

        final ProgressDialog dialog = new ProgressDialog(this);

        StringRequest str = new StringRequest(Request.Method.POST, et_1.getText().toString(), new Response.Listener<String>() {

            @Override

            public void onResponse(String s) {

                et_2.setText(s);

                dialog.dismiss();

            }

        }, new Response.ErrorListener() {

            @Override

            public void onErrorResponse(VolleyError volleyError) {

                Toast.makeText(webActivity.this, "失败", Toast.LENGTH_SHORT).show();

                dialog.dismiss();

            }

        }){

            @Override

            protected Map<String, String> getParams() throws AuthFailureError {

                Map<String,String> map = new HashMap<String,String>();

                map.put("name","volley");

                return map;

            }

        };

        requestQueue.add(str);

    }

}