Android系列之Post图片和数据
2010-08-03 10:06 $等待$ 阅读(5724) 评论(5) 编辑 收藏 举报这几天一直在想Android中实现POST图片和POST数据的问题，今天终于写了一个小DOME给大家了！
1 private void imageClient(){
2
3 // // 隐藏title
4 // this.requestWindowFeature(Window.FEATURE_NO_TITLE);
5 //
6 // // 设置全屏
7 // getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
8 fileName = UUID.randomUUID().toString();
9
10 try{
11 Intent cameraIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
12 imgFile = new File(Environment.getExternalStorageDirectory(), fileName + ".jpg");
13 Uri outputFileUri = Uri.fromFile(imgFile);
14 cameraIntent.putExtra(MediaStore.EXTRA_OUTPUT, outputFileUri);
15 startActivityForResult(cameraIntent, 10);
16 } catch (Exception ex) {
17 ex.printStackTrace();
18 Log.e("EP", "" + ex.getMessage());
19 }
20 }
21
22 @Override
23 protected void onActivityResult(int requestCode, int resultCode, Intent data){
24 // 父类方法
25 super.onActivityResult(requestCode, resultCode, data);
26
27 switch (resultCode) {
28 case RESULT_OK:
29 LogUtil.info("on Activity Result");
30 Bundle extras = data.getExtras();
31 b = (Bitmap) extras.get("data");
32
33 new Thread(new Runnable(){
34 public void run(){
35 if (b != null) {
36 try {
37 BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(android.os.Environment.getExternalStorageDirectory() + "/test.jpg"));
38 // 压缩图片
39 b.compress(CompressFormat.JPEG, 75, bos);
40 bos.flush();
41 bos.close();
42 } catch (Exception e) {
43 Log.e("Exception", "file or compress exception");
44 e.printStackTrace();
45 }
46
47 }
48 imgFile = new File(android.os.Environment.getExternalStorageDirectory() + "/" +fileName + ".jpg");
49
50 // ImgManager.resize(file, file, 200, "jpg");
51
52 // 发送到服务器
53 if(!HttpUtil.postImg("http://neil.finalist.hk/namex/namex/nclient/upload", "user", "client", imgFile)){
54 // 发送失败则重发一次
55 HttpUtil.postImg("http://neil.finalist.hk/namex/namex/nclient/upload", "user", "client", imgFile);
56 }
57 }
58 }).start();
59 }
60 }
发送
1 @SuppressWarnings("deprecation")
2 public static boolean postImg(String url, String u, String c, File file){
3 LogUtil.info("" + file.exists());
4
5 PostMethod postMethod = new PostMethod(url);
6
7 Part[] part = new Part[4];
8 part[0] = new StringPart("u", u);
9 part[1] = new StringPart("c", c);
10 try {
11 part[2] = new FilePart("Filedata", file);
12 } catch (FileNotFoundException ex) {
13 ex.printStackTrace();
14 Log.e("file exception", ex.getMessage());
15 }
16 part[3] = new StringPart("flag", "image");
17
18 MultipartRequestEntity mrp = new MultipartRequestEntity(part, postMethod.getParams());
19 postMethod.setRequestEntity(mrp);
20 org.apache.commons.httpclient.HttpClient client = new org.apache.commons.httpclient.HttpClient();
21 client.getParams().setContentCharset("utf-8");
22 try {
23 client.executeMethod(postMethod);
24 if("false".equals(postMethod.getRequestEntity().toString())){
25 return false;
26 }
27 } catch (HttpException e) {
28 e.printStackTrace();
29 return false;
30 } catch (IOException e) {
31 e.printStackTrace();
32 return false;
33 }finally {
34 if (client != null) {
35 client = null;
36 }
37 if (postMethod != null) {
38 postMethod = null;
39 }
40 }
41 return true;
42 }
43
