package com.cnn.httpdemo02;

import android.app.Activity;

import android.os.Bundle;

import android.view.Menu;

import android.view.MenuItem;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.EditText;

public class MainActivity extends Activity {

	private EditText txtLoginName;

	private EditText txtLoginpwd;

	private Button btnLogin;

	private String httpURL;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        httpURL="http://192.168.0.106:8088/Api/User/PostUserInfo";

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

        txtLoginpwd = (EditText) findViewById(R.id.txtLoginPwd);

        btnLogin = (Button) findViewById(R.id.btnLogin);

        btnLogin.setOnClickListener(new OnClickListener() {

			@Override

			public void onClick(View v) {

				// TODO 自动生成的方法存根

				new UserThread(txtLoginName.getText().toString(), txtLoginpwd.getText().toString(), httpURL).start();

			}

		});

    }

}

package com.cnn.httpdemo02;

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStream;

import java.io.InputStreamReader;

import java.io.OutputStream;

import java.io.OutputStreamWriter;

import java.net.HttpURLConnection;

import java.net.MalformedURLException;

import java.net.URL;

import java.net.URLDecoder;

import java.net.URLEncoder;

import android.util.Log;

public class UserThread extends Thread {

	private String LoginName,LoginPwd,HttpURL;

	public UserThread(String LoginName,String LoginPwd, String HttpURL){

		this.LoginName=LoginName;

		this.LoginPwd=LoginPwd;

		this.HttpURL=HttpURL;

	}

	private void GetUserInfo(){

		try {

			HttpURL=HttpURL+"?loginname="+URLEncoder.encode(LoginName,"utf-8")+"&loginpwd="+LoginPwd;

			URL httpURL=new URL(HttpURL);

			HttpURLConnection conn=(HttpURLConnection) httpURL.openConnection();

			conn.setReadTimeout(5000);

			conn.setRequestMethod("GET");

			BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream()));

			String str;

			StringBuffer buffer=new StringBuffer();

			while ((str=reader.readLine())!=null) {

				buffer.append(str);

				//Log.i("测试", str);

			}

			//System.out.print(buffer.toString());

			Log.i("tag", buffer.toString());

		} catch (MalformedURLException e) {

			// TODO 自动生成的 catch 块

			e.printStackTrace();

		} catch (IOException e) {

			// TODO 自动生成的 catch 块

			e.printStackTrace();

		}

	}

	private void PostUserInfo() {

		try {

			URL httpURL=new URL(HttpURL);

			HttpURLConnection connection=(HttpURLConnection) httpURL.openConnection();

			connection.setReadTimeout(5000);

			connection.setRequestMethod("POST");

			connection.setDoOutput(true);

			OutputStream outputStream = connection.getOutputStream();

			String content = "loginname="+LoginName+"&loginpwd="+LoginPwd+"&a=29";

			outputStream.write(content.getBytes());

			BufferedReader reader=new BufferedReader(new InputStreamReader(connection.getInputStream()));

			String str;

			StringBuffer buffer=new StringBuffer();

			while ((str=reader.readLine())!=null) {

				buffer.append(str);

			}

			Log.i("tag", buffer.toString());

		} catch (MalformedURLException e) {

			// TODO 自动生成的 catch 块

			e.printStackTrace();

		} catch (IOException e) {

			// TODO 自动生成的 catch 块

			e.printStackTrace();

		}

	}

	@Override

	public void run() {

		// TODO 自动生成的方法存根

		//GetUserInfo();

		PostUserInfo();

	}

}

<RelativeLayout 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.cnn.httpdemo02.MainActivity" >

    <TextView

        android:id="@+id/textView1"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_alignParentTop="true"

        android:layout_marginLeft="38dp"

        android:layout_marginTop="15dp"

        android:text="用户名" />

    <TextView

        android:id="@+id/textView2"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_alignRight="@+id/textView1"

        android:layout_below="@+id/textView1"

        android:layout_marginTop="15dp"

        android:text="密码" />

    <EditText

        android:id="@+id/txtLoginName"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_alignBaseline="@+id/textView1"

        android:layout_alignBottom="@+id/textView1"

        android:layout_marginLeft="34dp"

        android:layout_toRightOf="@+id/textView1"

        android:hint="请输入您的用户名"

        android:ems="10" >

        <requestFocus />

    </EditText>

        <EditText

        android:id="@+id/txtLoginPwd"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_alignBaseline="@+id/textView2"

        android:layout_alignBottom="@+id/textView2"

        android:layout_marginLeft="34dp"

        android:layout_toRightOf="@+id/textView2"

        android:hint="请输入您的密码"

        android:ems="10" >

        <requestFocus />

    </EditText>

        <Button

            android:id="@+id/btnLogin"

            style="?android:attr/buttonStyleSmall"

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:layout_alignLeft="@+id/txtLoginPwd"

            android:layout_below="@+id/txtLoginPwd"

            android:layout_marginTop="56dp"

            android:text="登陆" />

</RelativeLayout>