android http-post方法简单实现,androidhttp-post
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android http-post方法简单实现,androidhttp-post
本代码演示在 Android 如何使用 POST 来提交数据1.[Java]代码
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(); } }
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