android与jsp上传图片

package com.ztest; import java.io.BufferedReader; import java.io.DataOutputStream; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.net.HttpURLConnection; import java.net.URL; import java.text.SimpleDateFormat; import java.util.Date; import android.app.Activity; import android.content.Intent; import android.graphics.Bitmap; import android.os.Bundle; import android.os.Environment; import android.provider.MediaStore; import android.util.Log; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.ImageView; import android.widget.Toast; public class Z_testActivity extends Activity { /** Called when the activity is first created. */ private String uploadFile = "/sdcard/temp_image/temp.jpg"; private String srcPath = "/sdcard/temp_image/111.jpg"; String fileName; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); Button button=(Button)findViewById(R.id.button1); //拍照图片 button.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub Toast.makeText(getApplicationContext(), "启动相机...",Toast.LENGTH_SHORT).show(); Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);//调用相机 startActivityForResult(intent, 1); } }); //上传图片 Button button2=(Button)findViewById(R.id.button2); button2.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub Toast.makeText(getApplicationContext(), "上传中...",Toast.LENGTH_SHORT).show(); uploadFile(); } }); } /* 上传文件至Server的方法 */ private void uploadFile() { String uploadUrl = "http://192.168.1.5:8080/e-shop/UploadServlet"; String end = "\r\n"; String twoHyphens = "--"; String boundary = "******"; try { URL url = new URL(uploadUrl); HttpURLConnection httpURLConnection = (HttpURLConnection) url .openConnection(); httpURLConnection.setDoInput(true); httpURLConnection.setDoOutput(true); httpURLConnection.setUseCaches(false); httpURLConnection.setRequestMethod("POST"); httpURLConnection.setRequestProperty("Connection", "Keep-Alive"); httpURLConnection.setRequestProperty("Charset", "UTF-8"); httpURLConnection.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + boundary); DataOutputStream dos = new DataOutputStream(httpURLConnection .getOutputStream()); dos.writeBytes(twoHyphens + boundary + end); dos .writeBytes("Content-Disposition: form-data; name=\"file\"; filename=\"" + srcPath.substring(srcPath.lastIndexOf("/") + 1) + "\"" + end); dos.writeBytes(end); FileInputStream fis = new FileInputStream(srcPath); byte[] buffer = new byte[8192]; // 8k int count = 0; while ((count = fis.read(buffer)) != -1) { dos.write(buffer, 0, count); } fis.close(); dos.writeBytes(end); dos.writeBytes(twoHyphens + boundary + twoHyphens + end); dos.flush(); InputStream is = httpURLConnection.getInputStream(); InputStreamReader isr = new InputStreamReader(is, "utf-8"); BufferedReader br = new BufferedReader(isr); String result = br.readLine(); Toast.makeText(this, result, Toast.LENGTH_LONG).show(); dos.close(); is.close(); } catch (Exception e) { e.printStackTrace(); setTitle(e.getMessage()); } } protected void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); if (resultCode == Activity.RESULT_OK) { String sdStatus = Environment.getExternalStorageState(); if (!sdStatus.equals(Environment.MEDIA_MOUNTED)) { // 检测sd是否可用 Log.v("TestFile", "SD card is not avaiable/writeable right now."); return; } //取得当前日期时间 SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMddHHmmss"); Date curDate = new Date(System.currentTimeMillis());//获取当前时间 String strDate = formatter.format(curDate); Bundle bundle = data.getExtras();//获取数据 Bitmap bitmap = (Bitmap) bundle.get("data");// 获取相机返回的数据，并转换为Bitmap图片格式 FileOutputStream b = null; File file = new File("/sdcard/temp_image/"); file.mkdirs();// 创建文件夹 fileName = "/sdcard/temp_image/"+"111"+".jpg"; //uploadFile = fileName; // srcPath = fileName; try { b = new FileOutputStream(fileName);//将数据写入/sdcard/myImage/文件夹下111.jpg中 bitmap.compress(Bitmap.CompressFormat.JPEG, 100, b);// 把数据写入文件 } catch (FileNotFoundException e) { e.printStackTrace(); } finally { try { b.flush(); b.close(); } catch (IOException e) { e.printStackTrace(); } } //显示图片 ((ImageView) findViewById(R.id.imageView1)).setImageBitmap(bitmap);// 将图片显示在ImageView里 } } }