java 通过httpurlconnect来访问lnmp服务器传递和获取字符串。。... - 黑马程序员技术交流社区

package com.example.test1;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import com.example.test1.R;
import android.os.Bundle;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.Toast;
public class MainActivity extends Activity{
String urlString = "http://127.0.0.1:8888/test/hello.php";
private URL url;
String line;
String result = "";
private HttpURLConnection httpUrlconnection;
@Override
protected void onCreate(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
OnClickListener lis=new OnClickListener(){
@SuppressLint("ShowToast")
public void onClick(View v)
{
try {
url = new URL(urlString);
httpUrlconnection = (HttpURLConnection) url.openConnection();
httpUrlconnection.setRequestMethod("POST");
httpUrlconnection.setDoOutput(true);
httpUrlconnection.setDoInput(true);
httpUrlconnection.connect();
PrintWriter out = new PrintWriter(httpUrlconnection.getOutputStream());
out.print(R.id.EdiUser);
out.flush();
BufferedReader in = new BufferedReader(new InputStreamReader(httpUrlconnection.getInputStream()));
while((line = in.readLine()) != null)
{
result += "\n"+line;
}
Toast.makeText(getApplicationContext(), "hello!", Toast.LENGTH_LONG);
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
};
Button b=(Button)findViewById(R.id.btnSure);
b.setOnClickListener(lis);
}
}

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