Android: uploaddatatoWeb

Android: uploaddatatoWeb

Package com. example. utils; import java. io. byteArrayOutputStream; import java. io. inputStream; public class StreamTool {public static byte [] readInputStream (InputStream inStream) throws Exception {ByteArrayOutputStream outStream = new ByteArrayOutputStream (); // output stream, write to memory byte [] buffer = new byte [1024]; // 1 K buffer capacity int len = 0; while (len = inStream. read (buffer ))! =-1) {outStream. write (buffer, 0, len); // read data from 0 to len from the Array buffer} inStream. close (); return outStream. toByteArray ();}}

package com.example.web;import java.net.HttpURLConnection;import java.net.URL;import java.util.Map;public class HttpRequest {public static void sendGetRequest(String path, Map
 
   params)throws Throwable {StringBuilder str = new StringBuilder();str.append('?');for (Map.Entry
  
    entry : params.entrySet()) {str.append(entry.getKey()).append('=').append(entry.getValue()).append('&');}str.deleteCharAt(str.length() - 1);URL url = new URL(path);HttpURLConnection conn = (HttpURLConnection) url.openConnection();conn.setRequestMethod("GET");conn.setConnectTimeout(5 * 1000);}}
  
 

Package com. example. web; import java. util. hashMap; import java. util. map; import android. app. activity; import android. OS. bundle; import android. util. log; import android. view. view; import android. widget. button; import android. widget. editText; import android. widget. toast; import com. example. image. r; import com. example. web. httpRequest; public class MainActivity extends Activity {private static final String TAG = "UploaddataToWen"; private EditText titleText; private EditText timelengthText; @ Overrideprotected void onCreate (Bundle savedInstanceState) {super. onCreate (savedInstanceState); setContentView (R. layout. activity_image); Button button = (Button) this. findViewById (R. id. button); titleText = (EditText) this. findViewById (R. id. title); timelengthText = (EditText) this. findViewById (R. id. timelength); button. setOnClickListener (new View. onClickListener () {@ Overridepublic void onClick (View v) {String title = titleText. getText (). toString (); String timelength = timelengthText. getText (). toString (); Map
 
  
Params = new HashMap
  
   
(); Params. put ("method", "save"); params. put ("title", title); params. put ("timelength", timelength); try {HttpRequest. sendGetRequest ("http: // 192.168.1.101: 8080/web/admin. do ", params); Toast. makeText (MainActivity. this, "save success", Toast. LENGTH_LONG ). show ();} catch (Throwable e) {Toast. makeText (MainActivity. this, "save fail", Toast. LENGTH_LONG ). show (); Log. e (TAG, e. toString ());}}});}}//
   //
   
  
 

/* Package org.android.net; import java. io. byteArrayOutputStream; import java. io. inputStream; import java.net. httpURLConnection; import java.net. URL; public class HtmlRequest {public static void main (String [] args) throws Throwable {URL url = new URL ("http://www.baidu.con"); HttpURLConnection conn = (HttpURLConnection) url. openConnection (); conn. setRequestMethod ("GET"); conn. setConnectTimeout (5*1000); Inpu TStream inStream = conn. getInputStream (); // obtain the html data byte [] data = readInputStream (inStream) through the input stream; // obtain the html binary data String html = new String (data); System. out. print (html);} public static byte [] readInputStream (InputStream inStream) throws Exception {ByteArrayOutputStream outStream = new ByteArrayOutputStream (); // output stream, write to memory byte [] buffer = new byte [1024]; // 1 K buffer capacity int len = 0; while (len = inStream. read (B Uffer ))! =-1) {outStream. write (buffer, 0, len); // read data from 0 to len from the Array buffer} inStream. close (); return outStream. toByteArray () ;}} package org.android.net; import java. io. byteArrayOutputStream; import java. io. file; import java. io. fileOutputStream; import java. io. inputStream; import java.net. httpURLConnection; import java.net. URL; public class ImageRequest {public static void main (String [] args) throws Throwable {URL url = New URL ("http: // imageaddress"); HttpURLConnection conn = (HttpURLConnection) url. openConnection (); conn. setRequestMethod ("GET"); conn. setConnectTimeout (5*1000); InputStream inStream = conn. getInputStream (); // obtain the Image data byte [] data = readInputStream (inStream) through the input stream; // obtain the image's binary data File imageFile = new File ("temp.jpg "); fileOutputStream outStream = new FileOutputStream (imageFile); // write the image to the hard disk outStream. write (d Ata); outStream. close ();} public static byte [] readInputStream (InputStream inStream) throws Exception {ByteArrayOutputStream outStream = new ByteArrayOutputStream (); // output stream, write to memory byte [] buffer = new byte [1024]; // 1 K buffer capacity int len = 0; while (len = inStream. read (buffer ))! =-1) {outStream. write (buffer, 0, len); // read data from 0 to len from the Array buffer} inStream. close (); return outStream. toByteArray ();}}*/