JDK方式

layout文件

<?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.hanqi.testapp3.TestActivity3"
    android:orientation="vertical">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content">
    <Button
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:text="JDK-Get方式"
        android:onClick="bt1_OnClick"
        android:layout_weight="1"/>

        <Button
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:text="JDK-Post方式"
            android:onClick="bt2_OnClick"
            android:layout_weight="1"/>
    </LinearLayout>

    <EditText
        android:layout_width="match_parent"
        android:layout_height="200dp"
        android:id="@+id/et_2"/>

</LinearLayout>

java代码

package com.hanqi.testapp3;

import android.app.ProgressDialog;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.EditText;

import java.io.InputStream;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URL;

public class TestActivity3 extends AppCompatActivity {

    EditText et_2;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_test3);

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


    //显示结果
    String str = "";

    //JDK的Get方式
    public void bt1_OnClick(View v)
    {
        //1、启动进度对话框
        final ProgressDialog pd = ProgressDialog.show(this, null, "请稍后...");

        //2、启动子线程，访问远程服务器
        new Thread()
        {
            @Override
            public void run() {

                //访问远程服务器
                //JDK Get

                HttpURLConnection huc = null;

                try {
                //1、构造URL对象
                    URL url = new URL("http://192.168.0.105:81/index.asp?name=mike&password=456");

                //2、得到 HttpURLConnection
                    huc = (HttpURLConnection)url.openConnection();

                //3、设置 HttpURLConnection
                    huc.setRequestMethod("GET");
                    huc.setConnectTimeout(3000);
                    huc.setReadTimeout(3000);

                //4、连接远程服务器
                    huc.connect();

                //5、接收响应报文的状态码
                    int code = huc.getResponseCode();

                    str = "";

                //6、判断响应状态码是否=200
                    if (code == 200)
                    {
                        //7、处理
                        //1 接收数据

                        //2 得到数据流
                        InputStream is = huc.getInputStream();

                        //读到的数据
                        byte[] b = new byte[1024];

                        //读到的数据长度
                        int i = 0;

                        while ((i = is.read(b)) > 0)
                        {
                            // 接收字符串
                            str += new String(b,0,i);
                        }

                        is.close();
                    }
                    else
                    {
                        str = "响应错误，错误码=" + code;
                    }

                    //显示结果,不能直接跨线程访问主线程的视图
                    runOnUiThread(new Runnable() {
                        @Override
                        public void run() {
                            et_2.setText(str);

                        }
                    });

                }
                catch (Exception e)
                {
                    e.printStackTrace();
                }
                finally {

                    //8、关闭连接和进度对话框
                    // 释放资源
                    if (huc != null)
                    {
                        huc.disconnect();
                    }

                    // 支持跨线程访问
                    pd.dismiss();

                }
            }
        }.start();
    }


    //JDK的Post方式
    public void bt2_OnClick(View v)
    {
        //1、启动进度对话框
        final ProgressDialog pd = ProgressDialog.show(this, null, "请稍后...");

        //2、启动子线程，访问远程服务器
        new Thread()
        {
            @Override
            public void run() {

                //访问远程服务器
                //JDK Post

                HttpURLConnection huc = null;

                try {
                    //1、构造URL对象
                    URL url = new URL("http://192.168.0.105:81/index.asp");

                    //2、得到 HttpURLConnection
                    huc = (HttpURLConnection)url.openConnection();

                    //3、设置 HttpURLConnection
                    huc.setRequestMethod("POST");
                    huc.setConnectTimeout(3000);
                    huc.setReadTimeout(3000);

                    //4、连接远程服务器，输出流
                    huc.connect();

                    //数据放到请求体里
                    // 1)得到输出流
                    OutputStream os = huc.getOutputStream();

                    String outstr = "name=tom&password=123";

                    os.write(outstr.getBytes("UTF-8"));

                    os.close();

                    //5、接收响应报文的状态码
                    int code = huc.getResponseCode();

                    str = "";

                    //6、判断响应状态码是否=200
                    if (code == 200)
                    {
                        //7、处理
                        //1 接收数据

                        //2 得到数据流，输入流
                        InputStream is = huc.getInputStream();

                        //读到的数据
                        byte[] b = new byte[1024];

                        //读到的数据长度
                        int i = 0;

                        while ((i = is.read(b)) > 0)
                        {
                            // 接收字符串
                            str += new String(b,0,i);
                        }

                        is.close();
                    }
                    else
                    {
                        str = "响应错误，错误码=" + code;
                    }

                    //显示结果,不能直接跨线程访问主线程的视图
                    runOnUiThread(new Runnable() {
                        @Override
                        public void run() {
                            et_2.setText(str);

                        }
                    });

                }
                catch (Exception e)
                {
                    e.printStackTrace();
                }
                finally {

                    //8、关闭连接和进度对话框
                    // 释放资源
                    if (huc != null)
                    {
                        huc.disconnect();
                    }

                    // 支持跨线程访问
                    pd.dismiss();

                }
            }
        }.start();
    }
}

index.asp

<%
name_get = request.querystring("name")
password_get = request.querystring("password")

name_post = request.form("name")
password_post = request.form("password")

%>
request:<br>

name_1=<%=name_get%>
password_1=<%=password_get%>

name_2=<%=name_post%>
password_2=<%=password_post%>