复制代码 代码如下:

package com.hl;

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStream;

import java.io.InputStreamReader;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.Iterator;

import java.util.Map;

import java.util.Set;

import org.apache.http.HttpEntity;

import org.apache.http.HttpResponse;

import org.apache.http.client.entity.UrlEncodedFormEntity;

import org.apache.http.client.methods.HttpPost;

import org.apache.http.impl.client.DefaultHttpClient;

import org.apache.http.message.BasicNameValuePair;

import android.app.Activity;

import android.os.Bundle;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.EditText;

import android.widget.TextView;

public class SimplePOST extends Activity {

private TextView show;

private EditText txt;

private Button btn;

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

show = (TextView)findViewById(R.id.show);

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

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

btn.setOnClickListener(new OnClickListener() {

@Override

public void onClick(View v) {

dopost(txt.getText().toString());

}

});

}

private void dopost(String val){

//封装数据

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

parmas.put("name", val);

DefaultHttpClient client = new DefaultHttpClient();//http客户端

HttpPost httpPost = new HttpPost("http://mhycoe.com/test/post.php");

ArrayList<BasicNameValuePair> pairs = new ArrayList<BasicNameValuePair>();

if(parmas != null){

Set<String> keys = parmas.keySet();

for(Iterator<String> i = keys.iterator(); i.hasNext();) {

String key = (String)i.next();

pairs.add(new BasicNameValuePair(key, parmas.get(key)));

}

}

try {

UrlEncodedFormEntity p_entity = new UrlEncodedFormEntity(pairs, "utf-8");

/*

* 将POST数据放入HTTP请求

*/

httpPost.setEntity(p_entity);

/*

* 发出实际的HTTP POST请求

*/

HttpResponse response = client.execute(httpPost);

HttpEntity entity = response.getEntity();

InputStream content = entity.getContent();

String returnConnection = convertStreamToString(content);

show.setText(returnConnection);

} catch (IllegalStateException e) {

e.printStackTrace();

} catch (IOException e) {

e.printStackTrace();

}

}

private String convertStreamToString(InputStream is) {

BufferedReader reader = new BufferedReader(new InputStreamReader(is));

StringBuilder sb = new StringBuilder();

String line = null;

try {

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

sb.append(line);

}

} catch (IOException e) {

e.printStackTrace();

} finally {

try {

is.close();

} catch (IOException e) {

e.printStackTrace();

}

}

return sb.toString();

}

}