[android] post请求接口demo测试代码

package com.tsh.test;

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

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends Activity {
public Button loginBtn;
public TextView loginUserName;
public TextView loginPassword;
public static String API="http://mail.sina.net/loginxxx";
public LoginHandler loginHandler;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
//获取View对象
loginBtn=(Button) findViewById(R.id.loginBtn);
loginUserName=(TextView) findViewById(R.id.loginUsername);
loginPassword=(TextView) findViewById(R.id.loginPassword);
//给View对象设置点击事件
loginBtn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
//开启新线程
Thread loginThread=new Thread(new LoginRunable());
loginThread.start();
}
});
loginHandler=new LoginHandler();
}
//实现Runable接口,开启新线程
class LoginRunable implements Runnable{
@Override
public void run() {
try {
URL url=new URL(API);
HttpURLConnection http=(HttpURLConnection) url.openConnection();
http.setRequestMethod("POST");
http.setDoInput(true);
http.setDoOutput(true);
OutputStream ops=http.getOutputStream();
PrintWriter pw=new PrintWriter(ops);
String username=loginUserName.getText().toString();
String password=loginPassword.getText().toString();
pw.write("email="+username+"&psw="+password+"&loginfrom=app&output=json");
pw.flush();

InputStream ins=http.getInputStream();
byte[] buffer = new byte[1024];
int length=0;
StringBuilder sb=new StringBuilder();
while((length=ins.read(buffer))!=-1){
sb.append(new String(buffer,0,length));
}

Message msg=new Message();
msg.what=1;
msg.obj=sb.toString();
loginHandler.sendMessage(msg);
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}

}
}
//传递消息的handle
class LoginHandler extends Handler{
@Override
public void handleMessage(Message msg) {
String loginResponse=(String) msg.obj;
System.out.println(loginResponse);
Toast.makeText(MainActivity.this, loginResponse, 10).show();
Intent intent=new Intent(MainActivity.this, MailIndexActivity.class);
//startActivity(intent);
}
}
}

<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:orientation="vertical"
tools:context="${relativePackage}.${activityClass}" >

<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="用户名" />
<EditText
android:hint="请输入用户名"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/loginUsername"
android:text="shihan@appdev.sinanet.com"
/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="密码"/>
<EditText
android:hint="请输入密码"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/loginPassword"
android:text="xxxxxxx"/>
<Button
android:id="@+id/loginBtn"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="登陆认证"
/>
</LinearLayout>