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我想從我的android工作室應用程序發送數據到MySQL的PHP服務器，這裏是我的代碼，該程序可以運行，但我的服務器無法從我的應用程序接收數據。我的編碼在某個地方出錯了嗎？從Android工作室應用程序發送數據到服務器
我的Android應用程序的工作室編碼
package com.sp.toilert;
import android.app.PendingIntent;
import android.bluetooth.BluetoothAdapter;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.nfc.NdefMessage;
import android.nfc.NdefRecord;
import android.nfc.NfcAdapter;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Parcelable;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.View;
import android.widget.TextView;
import android.widget.Toast;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
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 java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.List;
public class MainActivity extends AppCompatActivity {
NfcAdapter nfcAdapter;
TextView txtTagContent;
private BluetoothAdapter myBluetooth = null;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(com.sp.toilert.R.layout.activity_main);
checkBTState();
nfcAdapter = NfcAdapter.getDefaultAdapter(this);
txtTagContent = (TextView) findViewById(R.id.txtTagContent);
}
public void buttonOnClick(View v) {
new SubmitData().execute(); //do something when button clicked
}
public class SubmitData extends AsyncTask<String, String, String> {
@Override
protected String doInBackground(String... strings) {
try {
postData();
} catch (NullPointerException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
//this function is the main thing that will upload the data to the server
public void postData() {
// Create a new HttpClient and Post Header
HttpClient httpclient = new DefaultHttpClient();
HttpPost httppost = new HttpPost("http://172.22.47.245/notthatdirty.php");
try {
// these are all the fields that will be submitted
List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(2);
//nameValuePairs.add(new BasicNameValuePair("MyName","MyValue"));
nameValuePairs.add(new BasicNameValuePair("cubicle_ID", "100003")); //send data to server
nameValuePairs.add(new BasicNameValuePair("issue", "dirty")); //send data to server
httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs));
// Execute HTTP Post Request
HttpResponse response = httpclient.execute(httppost);
} catch (ClientProtocolException e) {
// TODO Auto-generated catch block
} catch (IOException e) {
// TODO Auto-generated catch block
}
}
}
我的服務器編碼
<h1>WELCOME TO TOILERT</h1></P>
<?php
$servername = "localhost";
$username = "toilert";
$password = "toilert";
$dbname = "cleaning_db";
// Create connection
$conn = new mysqli($servername, $username, $password, $dbname);
// Check connection
if ($conn->connect_error) {
die("Connection failed: " . $conn->connect_error);
}
echo "Connected successfully";
//http://localhost/toilet-backend/backend.php?dirty=1&cubicleID=10003
//GET the data from android
/*
$dirty = $_GET["dirty"]; //1 for true . 0 for false
$emergency = $_GET["emergency"]; //1 for true . 0 for false
$faulty = $_GET["faulty"]; //1 for true . 0 for false
*/
$issue = htmlspecialchars($_GET["issue"]); // Sanitize input with htmlspecialchars
$cubicleID = $_GET['cubicleID'];
//Check if the request has been sent before
//ensure no duplicate toilet data
$query = "SELECT * FROM cleaner_request WHERE cubicle_id = $cubicleID";
$result = $conn->query($query);
if ($result->num_rows > 0) {
$json = array("status" => 200, "msg" => "Complaint has already been created");
echo json_encode($json);
} else {
switch ($issue) {
case "dirty":
case "emergency":
case "faulty":
$query = "INSERT INTO cleaner_request (cubicle_id, $issue) VALUES ('$cubicleID', '1')";
break;
default:
$error = "Invalid status";
}
if (empty($error)) {
$result = $conn->query($query);
echo "Data written to Database";
$json = array("status" => 200, "msg" => "Complaint has been successfully created");
} else {
echo "error" ;
//$json = array("status" => 418, "msg" => $error);
}
echo json_encode($json);
/* Ben commented this out. Because code
if ($dirty == 1) { //dirty
$query = "INSERT INTO cleaner_request (cubicle_id,dirty) VALUES ('$cubicleID','$dirty')";
$result = $conn->query($query);
$json = array("status" => 200, "msg" => "Complaint has been successfully created");
echo json_encode($json);
} else if ($dirty == 0) { //clean
}
*/
//check require location
require 'C:/xampp/htdocs/toilet-backend/twilio-php-master/Services/Twilio.php';
$AccountSid = "AC52a80f076cca00c9547fdfd17bf4fbbb";
$AuthToken = "b145c2d4f7b722fe79cbe38f3009afcc";
// Step 3: instantiate a new Twilio Rest Client
$client = new Services_Twilio($AccountSid, $AuthToken);
$client->account->messages->create(array(
'To' => "+65 9067 9919",
'From' => "+15672420325",
'Body' => "Greetings, please clean up Cubicle 100 001 and 100 004. Thank you. This service is brought to you by Toilert.",
));
mysqli_close($conn); //$conn->close();
}
?>
