将数据从Android发送到PHP页面
现在我正在尝试将数据从android应用程序(带模拟器)发送到web服务器(一个php页面)。首先,我用emulator试过这个程序,它正在运行。之后,我用电话尝试了这个程序,出现了一个异常: -->IO异常:操作超时 我的代码的一部分:将数据从Android发送到PHP页面,php,android,http,exception,Php,Android,Http,Exception,现在我正在尝试将数据从android应用程序(带模拟器)发送到web服务器(一个php页面)。首先,我用emulator试过这个程序,它正在运行。之后,我用电话尝试了这个程序,出现了一个异常: -->IO异常:操作超时 我的代码的一部分: HttpClient httpclient = new DefaultHttpClient(); HttpPost httppost = new HttpPost("http://10.0.2.2:90/takeDatas.php"); try {
HttpClient httpclient = new DefaultHttpClient();
HttpPost httppost = new HttpPost("http://10.0.2.2:90/takeDatas.php");
try {
List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(2);
nameValuePairs.add(new BasicNameValuePair("enlem", latitude ));
nameValuePairs.add(new BasicNameValuePair("boylam", longitude ));
httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs));
httpclient.execute(httppost);
} catch (ClientProtocolException e) {
Toast.makeText(ReportLocationActivity.this, "Client protokol exception ", Toast.LENGTH_LONG).show();
} catch (IOException e) {
Toast.makeText(ReportLocationActivity.this, "IO exception "+e.getMessage(), Toast.LENGTH_LONG).show();
}
HttpClient-HttpClient=newdefaulthttpclient();
HttpPost HttpPost=新的HttpPost(“http://10.0.2.2:90/takeDatas.php");
试试{
List nameValuePairs=新的ArrayList(2);
添加(新的BasicNameValuePair(“enlem”,纬度));
添加(新的BasicNameValuePair(“boylam”,经度));
setEntity(新的UrlEncodedFormEntity(nameValuePairs));
httpclient.execute(httppost);
}捕获(客户端协议例外e){
Toast.makeText(ReportLocationActivity.this,“客户端协议异常”,Toast.LENGTH_LONG.show();
}捕获(IOE异常){
Toast.makeText(ReportLocationActivity.this,“IO异常”+e.getMessage(),Toast.LENGTH\u LONG.show();
}
我希望你能帮助我。
提前感谢。emulator中的
localhost
就是emulator本身。不确定Windows环境,但在Linux下,我可以通过IP10.0.2.2
(注意:此IP不是我的Linux系统的IP,但可以通过此IP从模拟器访问主机系统上的web服务器)。
您可以阅读有关仿真器联网的更多信息。仿真器中的
localhost
就是仿真器本身。不确定Windows环境,但在Linux下,我可以通过IP10.0.2.2
(注意:此IP不是我的Linux系统的IP,但可以通过此IP从模拟器访问主机系统上的web服务器)。
您可以阅读有关emulator联网的更多信息。是,而不是使用127.0.0.1,或者,您必须使用
HttpClient-HttpClient=newdefaulthttpclient();
HttpPost HttpPost=新的HttpPost(“http://10.0.2.2/yourpage.php");
//这是要发送的数据
字符串MyName=“flower”//有要发送的数据吗
试一试{
//添加您的数据
List nameValuePairs=新的ArrayList(1);
添加(新的BasicNameValuePair(“action”,MyName));
setEntity(新的UrlEncodedFormEntity(nameValuePairs));
//执行HTTP Post请求
ResponseHandler ResponseHandler=新BasicResponseHandler();
String response=httpclient.execute(httppost,responseHandler);
//这是来自php应用程序的响应
字符串反向限制=响应;
Toast.makeText(这是“response”+reverseString,Toast.LENGTH_LONG).show();
}捕获(客户端协议例外e){
Toast.makeText(这是“CPE响应”+e.toString(),Toast.LENGTH\u LONG.show();
//TODO自动生成的捕捉块
}捕获(IOE异常){
Toast.makeText(这是“IOE响应”+e.toString(),Toast.LENGTH\u LONG.show();
//TODO自动生成的捕捉块
}
是,而不是使用127.0.0.1,或者,您必须使用
HttpClient-HttpClient=newdefaulthttpclient();
HttpPost HttpPost=新的HttpPost(“http://10.0.2.2/yourpage.php");
//这是要发送的数据
字符串MyName=“flower”//有要发送的数据吗
试一试{
//添加您的数据
List nameValuePairs=新的ArrayList(1);
添加(新的BasicNameValuePair(“action”,MyName));
setEntity(新的UrlEncodedFormEntity(nameValuePairs));
//执行HTTP Post请求
ResponseHandler ResponseHandler=新BasicResponseHandler();
String response=httpclient.execute(httppost,responseHandler);
//这是来自php应用程序的响应
字符串反向限制=响应;
Toast.makeText(这是“response”+reverseString,Toast.LENGTH_LONG).show();
}捕获(客户端协议例外e){
Toast.makeText(这是“CPE响应”+e.toString(),Toast.LENGTH\u LONG.show();
//TODO自动生成的捕捉块
}捕获(IOE异常){
Toast.makeText(这是“IOE响应”+e.toString(),Toast.LENGTH\u LONG.show();
//TODO自动生成的捕捉块
}
由于异步方法调用,可能会生成此错误。因此需要将该异步方法包装到类中。
代码如下:
package com.example.asynchttppost;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
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 android.app.Activity;
import android.os.AsyncTask;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ProgressBar;
import android.widget.Toast;
public class MainActivity extends Activity implements OnClickListener{
private EditText value;
private Button btn;
private ProgressBar pb;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
value=(EditText)findViewById(R.id.editText1);
btn=(Button)findViewById(R.id.button1);
pb=(ProgressBar)findViewById(R.id.progressBar1);
pb.setVisibility(View.GONE);
btn.setOnClickListener(this);
}
public void onClick(View v) {
// TODO Auto-generated method stub
if(value.getText().toString().length()<1){
// out of range
Toast.makeText(this, "please enter something", Toast.LENGTH_LONG).show();
}else{
pb.setVisibility(View.VISIBLE);
new MyAsyncTask().execute(value.getText().toString());
}
}
private class MyAsyncTask extends AsyncTask<String, Integer, Double>{
@Override
protected Double doInBackground(String... params) {
// TODO Auto-generated method stub
postData(params[0]);
return null;
}
protected void onPostExecute(Double result){
pb.setVisibility(View.GONE);
Toast.makeText(getApplicationContext(), "Code Sent", Toast.LENGTH_SHORT).show();
}
protected void onProgressUpdate(Integer... progress){
pb.setProgress(progress[0]);
}
public void postData(String valueIWantToSend) {
// Create a new HttpClient and Post Header
String url= "your website url";
//String url ="http://10.0.2.2/remoteaccess/";
HttpClient httpclient = new DefaultHttpClient();
HttpPost httppost = new HttpPost(url);
try {
// Add your data
List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>();
nameValuePairs.add(new BasicNameValuePair("myHttpData", valueIWantToSend));
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
}
}
}
}
package com.example.asynchtppost;
导入java.io.IOException;
导入java.util.ArrayList;
导入java.util.List;
导入org.apache.http.HttpResponse;
导入org.apache.http.NameValuePair;
导入org.apache.http.client.ClientProtocolException;
导入org.apache.http.client.HttpClient;
导入org.apache.http.client.entity.UrlEncodedFormEntity;
导入org.apache.http.client.methods.HttpPost;
导入org.apache.http.impl.client.DefaultHttpClient;
导入org.apache.http.message.BasicNameValuePair;
导入android.app.Activity;
导入android.os.AsyncTask;
导入android.os.Bundle;
导入android.view.view;
导入android.view.view.OnClickListener;
导入android.widget.Button;
导入android.widget.EditText;
导入android.widget.ProgressBar;
导入android.widget.Toast;
公共类MainActivity扩展活动实现OnClickListener{
私有文本值;
专用按钮btn;
私人ProgressBar pb;
@凌驾
创建时的公共void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
值=(EditText)findViewById(R.id.editText1);
btn=(按钮)findViewById(R.id.button1);
pb=(ProgressBar)findViewById(R.id.progressBar1);
pb.setVisibility(View.GONE);
btn.setOnClickListener(此);
}
公共void onClick(视图v){
//TODO自动生成的方法存根
if(value.getT)
package com.example.asynchttppost;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
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 android.app.Activity;
import android.os.AsyncTask;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ProgressBar;
import android.widget.Toast;
public class MainActivity extends Activity implements OnClickListener{
private EditText value;
private Button btn;
private ProgressBar pb;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
value=(EditText)findViewById(R.id.editText1);
btn=(Button)findViewById(R.id.button1);
pb=(ProgressBar)findViewById(R.id.progressBar1);
pb.setVisibility(View.GONE);
btn.setOnClickListener(this);
}
public void onClick(View v) {
// TODO Auto-generated method stub
if(value.getText().toString().length()<1){
// out of range
Toast.makeText(this, "please enter something", Toast.LENGTH_LONG).show();
}else{
pb.setVisibility(View.VISIBLE);
new MyAsyncTask().execute(value.getText().toString());
}
}
private class MyAsyncTask extends AsyncTask<String, Integer, Double>{
@Override
protected Double doInBackground(String... params) {
// TODO Auto-generated method stub
postData(params[0]);
return null;
}
protected void onPostExecute(Double result){
pb.setVisibility(View.GONE);
Toast.makeText(getApplicationContext(), "Code Sent", Toast.LENGTH_SHORT).show();
}
protected void onProgressUpdate(Integer... progress){
pb.setProgress(progress[0]);
}
public void postData(String valueIWantToSend) {
// Create a new HttpClient and Post Header
String url= "your website url";
//String url ="http://10.0.2.2/remoteaccess/";
HttpClient httpclient = new DefaultHttpClient();
HttpPost httppost = new HttpPost(url);
try {
// Add your data
List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>();
nameValuePairs.add(new BasicNameValuePair("myHttpData", valueIWantToSend));
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
}
}
}
}