android post get方法实现_post方法android-优快云博客

本文链接：https://blog.youkuaiyun.com/mochouxiyan/article/details/6429635

本文介绍了一个基于PHP的简单服务器端程序与Android客户端进行数据上传和下载的过程。通过具体代码示例，展示了如何使用HTTP POST和GET请求实现Android应用与服务器之间的数据交换。

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============================================================

--
-- 数据库: `androidhttp`
--

-- --------------------------------------------------------

--
-- 表的结构 `android`
--

CREATE TABLE `android` (
`id` int(11) NOT NULL auto_increment,
`name` varchar(30) collate utf8_unicode_ci NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci AUTO_INCREMENT=34 ;

--
-- 导出表中的数据 `android`
--

INSERT INTO `android` VALUES (1, '张三);
INSERT INTO `android` VALUES (9, '网页');
INSERT INTO `android` VALUES (23, '李四);
=============================================================

网页：android.php

<? $gDbPath = "androidhttp"; $gDbHost = "192.168.4.108"; $gDbUser = "root"; $gDbPass = "123456"; date_default_timezone_set('Asia/Shanghai'); $gMysql = mysql_connect($gDbHost,$gDbUser,$gDbPass); if($gMysql == NULL) { print "ERROR"; return 0; } mysql_select_db($gDbPath); mysql_query("set names utf8"); function sqlresult($sql) { global $gMysql; $aRet = NULL; $i = 0; $slogin = NULL; $result = NULL; $slogin = mysql_query($sql,$gMysql); if($slogin!=TRUE) { return 0; //print "mysql_query error"; } $result = mysql_fetch_array($slogin); while( $result != NULL ) { $aRet[$i] = $result; $i++; $result = mysql_fetch_array($slogin); } return $aRet ; } /* $_POST["action"] = "download"; $_POST["id"] = "1"; */ /* $_POST["action"] = "upload"; $_POST["name"] = "网页"; */ if($_POST["action"]== "download") //下载接口 { $sql = "select name from android where id ='".$_POST["id"]."';"; print $sql."/r/n"; $result = sqlresult($sql); print iconv( "UTF-8","gb2312//IGNORE" , $result[0]["name"]); print "/r/n"; print "android return down _POST"; } if($_POST["action"]== "upload") //上传接口 { $sql = "insert into android (name)values('".$_POST["name"]."');"; print $sql; print "/r/n"; $ret = mysql_query(iconv("gb2312//IGNORE" , "UTF-8", $sql),$gMysql); if($ret == TRUE) { print "instert ok "; } else { print "ERROR"; } print "/r/n"; print "android return upload _POST"; } if($_GET["action"]== "upload") //上传接口 { $sql = "insert into android (name)values('".$_GET["name"]."');"; print $sql; print "/r/n"; $ret = mysql_query(iconv("gb2312//IGNORE" , "UTF-8", $sql),$gMysql); if($ret == TRUE) { print "instert ok "; } else { print "ERROR"; } print "/r/n"; print "android return upload_GET"; } if($_GET["action"]== "download") //下载接口 { $sql = "select name from android where id ='".$_GET["id"]."';"; print $sql."/r/n"; $result = sqlresult($sql); print iconv( "UTF-8","gb2312//IGNORE" , $result[0]["name"]); print "/r/n"; print "android return down _GET"; } //print "test"; print iconv( "UTF-8","gb2312//IGNORE" , $xmlbuff); ?>

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AndroidManifest.xml

中赋予网络权限

<uses-permission android:name="android.permission.INTERNET"></uses-permission>

androidhttpMain.java

package com.androidhttp; import java.io.InputStream; import java.net.HttpURLConnection; import java.net.URLEncoder; import java.util.ArrayList; import java.util.List; import org.apache.http.HttpResponse; import org.apache.http.NameValuePair; import org.apache.http.client.entity.UrlEncodedFormEntity; import org.apache.http.client.methods.HttpGet; import org.apache.http.client.methods.HttpPost; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.message.BasicNameValuePair; import org.apache.http.protocol.HTTP; import org.apache.http.util.EntityUtils; 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 androidhttpMain extends Activity { /** Called when the activity is first created. */ Button m_Button1; Button m_Button2; Button m_Button3; Button m_Button4; private final String DEBUG_TAG = "HTTP测试"; public TextView mTextView; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); mTextView = (TextView)this.findViewById(R.id.textView1); m_Button1 = (Button)findViewById(R.id.button1); m_Button2 = (Button)findViewById(R.id.button2); m_Button3 = (Button)findViewById(R.id.button3); m_Button4 = (Button)findViewById(R.id.button4); //POST上传 m_Button1.setOnClickListener(new Button.OnClickListener() { @Override public void onClick(View v) { String url = "http://192.168.4.108/android.php"; HttpResponse httpResponse = null; try { HttpPost httpPost = new HttpPost(url); List<NameValuePair> params = new ArrayList<NameValuePair>(); params.add(new BasicNameValuePair("action", "upload")); params.add(new BasicNameValuePair("name", "张三")); httpPost.setEntity(new UrlEncodedFormEntity(params, "GB2312")); DefaultHttpClient defaultHttpClient = new DefaultHttpClient(); defaultHttpClient.getParams().setParameter(CoreConnectionPNames.CONNECTION_TIMEOUT, 3000); defaultHttpClient.getParams().setParameter(CoreConnectionPNames.SO_TIMEOUT, 5000); httpResponse = defaultHttpClient.execute(httpPost); //httpResponse = new DefaultHttpClient().execute(httpPost); if (httpResponse.getStatusLine().getStatusCode() == 200) { String result = EntityUtils.toString(httpResponse.getEntity()); String str = new String(result.getBytes("ISO_8859_1"),"gbk"); mTextView.setText(str.replaceAll("/r", "")); } } catch (Exception e) { mTextView.setText(e.getMessage()); } } }); //GET上传 m_Button2.setOnClickListener(new Button.OnClickListener() { @Override public void onClick(View v) { String url = "http://192.168.4.108:80/android.php"; HttpResponse httpResponse = null; try { url += "?action=" +"upload"; url += "&name=" +URLEncoder.encode("张三","GB2312"); HttpGet httpGet = new HttpGet(url); httpResponse = new DefaultHttpClient().execute(httpGet); if (httpResponse.getStatusLine().getStatusCode() == 200) { String result = EntityUtils.toString(httpResponse .getEntity()); String str = new String(result.getBytes("ISO_8859_1"),"gbk"); mTextView.setText(str.replaceAll("/r", "")); } } catch (Exception e) { mTextView.setText(e.getMessage()); } } }); //GET下载 m_Button3.setOnClickListener(new Button.OnClickListener() { @Override public void onClick(View v) { String url = "http://192.168.4.108:80/android.php"; HttpResponse httpResponse = null; try { url += "?action=" +"download"; url += "&id=" +"23"; HttpGet httpGet = new HttpGet(url); httpResponse = new DefaultHttpClient().execute(httpGet); if (httpResponse.getStatusLine().getStatusCode() == 200) { String result = EntityUtils.toString(httpResponse .getEntity()); String str = new String(result.getBytes("ISO_8859_1"),"gbk"); mTextView.setText(str.replaceAll("/r", "")); } } catch (Exception e) { mTextView.setText(e.getMessage()); } } }); //POST下载 m_Button4.setOnClickListener(new Button.OnClickListener() { @Override public void onClick(View v) { String url = "http://192.168.4.108/android.php"; HttpResponse httpResponse = null; try { HttpPost httpPost = new HttpPost(url); List<NameValuePair> params = new ArrayList<NameValuePair>(); params.add(new BasicNameValuePair("action", "download")); params.add(new BasicNameValuePair("id", "1")); httpPost.setEntity(new UrlEncodedFormEntity(params, HTTP.ISO_8859_1)); httpResponse = new DefaultHttpClient().execute(httpPost); if (httpResponse.getStatusLine().getStatusCode() == 200) { String result = EntityUtils.toString(httpResponse.getEntity()); String str = new String(result.getBytes("ISO_8859_1"),"gbk"); mTextView.setText(str.replaceAll("/r", "")); } } catch (Exception e) { mTextView.setText(e.getMessage()); } } }); } }