Android는 PHP와 상호작용하고 Android는 JSON 데이터를 전달하며 PHP는 데이터를 수락하고 저장합니다.

<span style="font-family:Microsoft YaHei;font-size:14px;">Gson gson = new Gson();
gson.toJson(user))
</span>

<span style="font-family:Microsoft YaHei;font-size:14px;">/**
	 * 
	 * 描述 向后台发送user数据
	 * @param user
	 */
	<span style="font-family:Times New Roman;">public static void SaveDataToPhp(User user){
		Gson gson = new Gson();
		String url = "http://bmhjqs.sinaapp.com/ChzuAppDate/chzu_user_save.php";  
		HttpPost httpRequest = new HttpPost(url);  

		List<NameValuePair> params = new ArrayList<NameValuePair>();  
		params.add(new BasicNameValuePair("userJson", gson.toJson(user)));  
		try {  
			HttpEntity httpEntity = new UrlEncodedFormEntity(params,"utf-8");  
			httpRequest.setEntity(httpEntity);  
			HttpClient httpClient = new DefaultHttpClient();  
			HttpResponse httpResponse = httpClient.execute(httpRequest);  
			if(httpResponse.getStatusLine().getStatusCode() == HttpStatus.SC_OK){  
				String result = EntityUtils.toString(httpResponse.getEntity());  
				Log.i("save", result);
			}else{  
			}  
		} catch (UnsupportedEncodingException e) {  
			e.printStackTrace();  
		} catch (ClientProtocolException e) {  
			e.printStackTrace();  
		} catch (IOException e) {  
			e.printStackTrace();  
		}  
	}</span>
</span>

<span style="font-family:Microsoft YaHei;font-size:14px;">//接受客户端传来的json数据
<span style="font-family:Times New Roman;">$json_string = $_POST ["userJson"];
$user = json_decode ( $json_user );

if (ini_get ( "magic_quotes_gpc" ) == "1") {
	$json_string = stripslashes ( $json_string );
}</span>
$user = json_decode ( $json_string, true );//必须加参数‘true’，否则PHP不认为$user是个数组</span>

<span style="font-family:Microsoft YaHei;font-size:14px;">// 开始保存到数据库
<span style="font-family:Times New Roman;">$link = mysql_connect ( SAE_MYSQL_HOST_M . ':' . SAE_MYSQL_PORT, SAE_MYSQL_USER, SAE_MYSQL_PASS );
if ($link) {
	mysql_select_db ( SAE_MYSQL_DB, $link );
	//根据ID判断数据库里是否存在
	$isExit = "查询语句";	
	$result = mysql_query($isExit);
	if(mysql_num_rows($result) < 1){
		$sql = "插入语句...";
		mysql_query ( 'set names utf-8' );
		mysql_query ( $sql );
		echo 'STATE_OK';
	}else{
		echo 'STATE_EXIST';
	}
	mysql_close ( $link );
} else {
	echo 'STATE_DB_FAIL';
}</span></span>