android 76 使用get post方式提交資料

標籤：

get方式：

package com.itheima.getmethod;import java.io.InputStream;import java.net.HttpURLConnection;import java.net.MalformedURLException;import java.net.URL;import java.net.URLDecoder;import java.net.URLEncoder;import com.itheima.htmlviewer.utils.Utils;import android.os.Bundle;import android.os.Handler;import android.os.Message;import android.app.Activity;import android.view.Menu;import android.view.View;import android.widget.EditText;import android.widget.Toast;public class MainActivity extends Activity {    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);    }    Handler handler = new Handler(){        public void handleMessage(android.os.Message msg) {            Toast.makeText(MainActivity.this, (String)msg.obj, 0).show();        }    };        public void click(View v){        EditText et_name = (EditText) findViewById(R.id.et_name);        EditText et_pass = (EditText) findViewById(R.id.et_pass);                final String name = et_name.getText().toString();        final String pass = et_pass.getText().toString();                Thread t = new Thread(){            @Override            public void run() {                //提交的資料需要經過url編碼(utf-8編碼)，英文和數字編碼後不變,如果是瀏覽器會自動編碼，用戶端要手動編碼                @SuppressWarnings("deprecation")                String path = "http://192.168.13.13/Web2/servlet/LoginServlet?name=" + URLEncoder.encode(name) + "&pass=" + pass;                                try {                    URL url = new URL(path);                    HttpURLConnection conn = (HttpURLConnection) url.openConnection();                    conn.setRequestMethod("GET");                    conn.setConnectTimeout(5000);                    conn.setReadTimeout(5000);                                        if(conn.getResponseCode() == 200){                        InputStream is =conn.getInputStream();                        String text = Utils.getTextFromStream(is);                                                Message msg = handler.obtainMessage();                        msg.obj = text;                        handler.sendMessage(msg);                    }                } catch (Exception e) {                    // TODO Auto-generated catch block                    e.printStackTrace();                }            }        };        t.start();                            }}

package com.itheima.htmlviewer.utils;import java.io.ByteArrayOutputStream;import java.io.IOException;import java.io.InputStream;public class Utils {    public static String getTextFromStream(InputStream is){                byte[] b = new byte[1024];        int len = 0;        //建立位元組數組輸出資料流，讀取輸入資料流的文本資料時，同步把資料寫入數組輸出資料流        ByteArrayOutputStream bos = new ByteArrayOutputStream();        try {            while((len = is.read(b)) != -1){                bos.write(b, 0, len);            }            //把位元組數組輸出資料流裡的資料轉換成位元組數組            String text = new String(bos.toByteArray());            return text;        } catch (IOException e) {            // TODO Auto-generated catch block            e.printStackTrace();        }        return null;    }}

 windowsmore編碼是gbk,安卓預設編碼是utf-8.

post方式：

 

package com.itheima.getmethod;import java.io.InputStream;import java.io.OutputStream;import java.net.HttpURLConnection;import java.net.MalformedURLException;import java.net.URL;import java.net.URLDecoder;import java.net.URLEncoder;import com.itheima.htmlviewer.utils.Utils;import com.itheima.postmethod.R;import android.os.Bundle;import android.os.Handler;import android.os.Message;import android.app.Activity;import android.view.Menu;import android.view.View;import android.widget.EditText;import android.widget.Toast;public class MainActivity extends Activity {    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);    }    Handler handler = new Handler(){        public void handleMessage(android.os.Message msg) {            Toast.makeText(MainActivity.this, (String)msg.obj, 0).show();        }    };        public void click(View v){        EditText et_name = (EditText) findViewById(R.id.et_name);        EditText et_pass = (EditText) findViewById(R.id.et_pass);                final String name = et_name.getText().toString();        final String pass = et_pass.getText().toString();                Thread t = new Thread(){            @Override            public void run() {                //提交的資料需要經過url編碼，英文和數字編碼後不變                @SuppressWarnings("deprecation")                String path = "http://192.168.13.13/Web2/servlet/LoginServlet";                                try {                    URL url = new URL(path);                    HttpURLConnection conn = (HttpURLConnection) url.openConnection();                    conn.setRequestMethod("POST");                    conn.setConnectTimeout(5000);                    conn.setReadTimeout(5000);                                        //拼接出要提交的資料的字串                    String data = "name=" + URLEncoder.encode(name) + "&pass=" + pass;                    //添加post請求的兩行屬性                    conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");                    conn.setRequestProperty("Content-Length", data.length() + "");                                        //設定開啟輸出資料流                    conn.setDoOutput(true);                    //拿到用戶端像服務端的輸出資料流                    OutputStream os = conn.getOutputStream();                    //使用輸出資料流往伺服器提交資料，                    os.write(data.getBytes());//這個時候還沒有產生網路互動資料                    if(conn.getResponseCode() == 200){//建立串連，產生網路互動資料                        InputStream is = conn.getInputStream();//得到伺服器返回的輸入資料流                        String text = Utils.getTextFromStream(is);                                                Message msg = handler.obtainMessage();                        msg.obj = text;                        handler.sendMessage(msg);                    }                } catch (Exception e) {                    // TODO Auto-generated catch block                    e.printStackTrace();                }            }        };        t.start();                            }}

 

android 76 使用get post方式提交資料