android实现简单的图片上传服务器

直接上代码了，写的不规范，就是简单实现了上传图片这个功能，没有使用当下热门的工具。

public class UpLoadActivity extends Activity implements OnClickListener {
private CustomTitleBar tileBar;
private ImageView imagView1,imagView2,imagView3;
private Button bt;
private String data ,url,qid="",tid="",uid="",rid="",cmd;
private int tag=0;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.up_load_activity);
MyApplication.getInstance().addActivity(this);
initActionBar();
WindowManager manager=(WindowManager) this.getSystemService(Context.WINDOW_SERVICE);
DisplayMetrics metrics=new DisplayMetrics();
manager.getDefaultDisplay().getMetrics(metrics);;
imagView1=(ImageView) findViewById(R.id.imagview1);
imagView2=(ImageView) findViewById(R.id.imagview2);
imagView3=(ImageView) findViewById(R.id.imagview3);
imagView1.setAdjustViewBounds(true);
imagView2.setAdjustViewBounds(true);
imagView3.setAdjustViewBounds(true);
imagView1.setMaxHeight(metrics.widthPixels/3);
imagView2.setMaxHeight(metrics.widthPixels/3);
imagView3.setMaxHeight(metrics.widthPixels/3);
LogUtils.v("details", "width"+metrics.widthPixels);
list.add("");
list.add("");
list.add("");
list.add("");
imagView1.setOnClickListener(this);
imagView2.setOnClickListener(this);
imagView3.setOnClickListener(this);
bt=(Button) findViewById(R.id.bt);
bt.setOnClickListener(this);
cmd="upload";
Intent intent=getIntent();
data=intent.getStringExtra("data");
url=intent.getStringExtra("url");
if(null!=data){
qid=url.substring(url.lastIndexOf("qid=")+4);
tid=url.substring(url.lastIndexOf("tid=")+4, url.indexOf("&rid"));
uid=data.substring(data.indexOf("&id=")+4);
rid=url.substring(url.lastIndexOf("rid=")+4, url.indexOf("&qid"));
}
}


private void initActionBar() {
// TODO Auto-generated method stub
tileBar=(CustomTitleBar) findViewById(R.id.upload_titlebar);
tileBar.setOnLeftClickListener(new OnTitleBarClickListener() {

@Override
public void onClick(View view) {
// TODO Auto-generated method stub
goBack();
}
});
}


protected void goBack() {
// TODO Auto-generated method stub

this.overridePendingTransition(R.anim.slide_in_from_left, R.anim.slide_out_to_right);
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
// TODO Auto-generated method stub
if(keyCode==KeyEvent.KEYCODE_BACK){
goBack();}
return super.onKeyDown(keyCode, event);
}


@Override
public void onClick(View v) {
// TODO Auto-generated method stub
switch (v.getId()) {
case R.id.imagview1:
tag=1;
createDialog();
break;
case R.id.imagview2:
tag=2;
createDialog();
break;
case R.id.imagview3:
tag=3;
createDialog();

break;
case R.id.bt:
dialog=new ProgressDialog(UpLoadActivity.this);
dialog.setTitle("正在上传图片");
dialog.setCancelable(false);
dialog.setProgressStyle(DEFAULT_KEYS_DISABLE);
dialog.setCanceledOnTouchOutside(false);
dialog.show();
Toast.makeText(this, "开始上传", Toast.LENGTH_SHORT).show();
new Thread(new Runnable() {
@Override
public void run() {


// TODO Auto-generated method stub
sendPost();

}
}).start();

default:
break;
}
}
private void createDialog() {
// TODO Auto-generated method stub
final CustomDialog dialog=new CustomDialog(this);
ViewGroup.LayoutParams params=new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT);
View view=LayoutInflater.from(this).inflate(R.layout.my_dialog, null);
TextView pai=(TextView) view.findViewById(R.id.pai);
TextView tuku=(TextView) view.findViewById(R.id.tuku);
TextView bt=(TextView) view.findViewById(R.id.cancel);
pai.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Intent intent=new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
startActivityForResult(intent, 1);
dialog.dismiss();
}
});
tuku.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Intent intent1=new Intent();
intent1.setData(MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
intent1.setType("image/png");
intent1.setAction(Intent.ACTION_PICK);
startActivityForResult(intent1, 2);
dialog.dismiss();
}
});
bt.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View v) {
// TODO Auto-generated method stub
quXiao(tag);
dialog.dismiss();
}
});
dialog.setContentView(view);
dialog.setCanceledOnTouchOutside(false);
dialog.show();
}
protected void quXiao(int tag2) {
// TODO Auto-generated method stub
switch (tag2) {
case 1:
imagView1.setImageResource(R.drawable.ic_head_default);
list.set(tag, "");
break;
case 2:
imagView2.setImageResource(R.drawable.ic_head_default);
list.set(tag, "");
break;
case 3:
imagView3.setImageResource(R.drawable.ic_head_default);
list.set(tag, "");
break;
default:
break;
}
}
private Handler handler=new Handler(){
public void handleMessage(android.os.Message msg) {
switch (msg.what){
case 1:
dialog.setCancelable(true);
dialog.cancel();


// Toast.makeText(UpLoadActivity.this, "返回信息是ok",Toast.LENGTH_SHORT).show();
break;
case 2:
Toast.makeText(UpLoadActivity.this, "图片转换失败", Toast.LENGTH_SHORT).show();
default:
break;
}
};
};
class CustomDialog extends Dialog{
public CustomDialog getInstance(){
return null;}
public CustomDialog(Context context, int theme) {
super(context, theme);
// TODO Auto-generated constructor stub
}
public void positiveBt(){

}
public CustomDialog(Context context) {
super(context);
// TODO Auto-generated constructor stub
}


protected CustomDialog(Context context, boolean cancelable, OnCancelListener cancelListener) {
super(context, cancelable, cancelListener);
// TODO Auto-generated constructor stub
}



}
private void sendPictures(OutputStream writer){
StringBuilder b=new StringBuilder();
String contentType="";

for(int i=1;i
if(new File(list.get(i)).exists()){
b.append("--"+boundary+"\r\n");
b.append("Content-Disposition:form-data;name=\"imgFile"+i+"\";filename=\""+"img_"+i+".png\""+"\r\n");

                if (list.get(i).endsWith(".png")||list.get(i).endsWith(".PNG")) {  
                    contentType = "image/png";  
                }else if(list.get(i).endsWith(".jpg")||list.get(i).endsWith(".JPG")){
                contentType = "image/png";  
                }
                else {  
                    contentType = "application/octet-stream";  
                }  
b.append("Content-Type:"+contentType+"\r\n\r\n");
Bitmap bitmap=BitmapFactory.decodeFile(list.get(i));
Bitmap bit2;
int width=bitmap.getWidth();
int height=bitmap.getHeight();
if(width<=400){
LogUtils.v("details", "小于400");
bit2=bitmap;
}else{

Matrix matrix=new Matrix();
float bi=(float)(400.0/width);
if(bi<0.1){
bi=(float) 0.1;
}
matrix.postScale(bi, bi); 
bit2=Bitmap.createBitmap(bitmap, 0, 0, width,height, matrix, false);
}

try {
writer.write(b.toString().getBytes());
   b.append(parseToString(list.get(i)));

ByteArrayOutputStream baos = new ByteArrayOutputStream();// outputstream
if(bit2.compress(Bitmap.CompressFormat.PNG, 0, baos)){
baos.flush();
baos.close();
};
LogUtils.v("details", "baos大小"+baos.size());
byte[] appicon = baos.toByteArray();

   writer.write(appicon);
   if(!bitmap.isRecycled()){
    bitmap.recycle();
   }
   if(!bit2.isRecycled()){
    bit2.recycle();
   }

writer.write(new String(("\r\n").getBytes(),"utf-8").getBytes());
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
try {
writer.write(new String(("--"+boundary+"--\r\n").getBytes(),"utf-8").getBytes());
} catch (UnsupportedEncodingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}

}
private Bitmap transformImage(String string) {
// TODO Auto-generated method stub
Bitmap bitmap=BitmapFactory.decodeFile(string);
int width=bitmap.getWidth();
int height=bitmap.getHeight();
float bi=width/400;
if(width<=400){
if(!bitmap.isRecycled()){
bitmap.recycle();}
return bitmap;
}else{
Matrix matrix=new Matrix();
Bitmap bitmap2=Bitmap.createBitmap(bitmap, 0, 0, width, height, matrix, false);
if(!bitmap2.isRecycled()){
bitmap2.recycle();
}
return bitmap2;
}

}


private String parseToString(String fileUrl){
ByteArrayOutputStream baos = new ByteArrayOutputStream();// outputstream
Bitmap bitmap=BitmapFactory.decodeFile(fileUrl);
bitmap.compress(Bitmap.CompressFormat.JPEG, 0, baos);
   byte[] appicon = baos.toByteArray();// 转为byte数组
   bitmap.recycle();
return Base64.encodeToString(appicon, Base64.DEFAULT);
}

String boundary="====14737809831466499882746641449";
private void sendPost()  {
// TODO Auto-generated method stub
String str="";
URL url;
try {
url = new URL("");
HttpURLConnection connection= (HttpURLConnection) url.openConnection();
if(null!=connection){
LogUtils.v("details", "connection不为空");
}
connection.setReadTimeout(10*1000);
connection.setConnectTimeout(10*1000);
connection.setDoInput(true);
connection.setDoOutput(true);
connection.setDefaultUseCaches(false);
connection.setRequestMethod("POST");
connection.setRequestProperty("Charset", "UTF-8");
connection.setRequestProperty("connection", "keep-alive");
connection.setRequestProperty("Content-type", "multipart/form-data"+";boundary="+boundary);
// connection.connect();
OutputStream writer=new DataOutputStream(connection.getOutputStream());
StringBuilder sb=new StringBuilder();
sb.append("\r\n");
sb.append("--"+boundary+"\r\n");
sb.append("Content-Disposition: form-data; name=\"cmd\"\r\n\r\n"+cmd+"\r\n");
sb.append("--"+boundary+"\r\n");
sb.append("Content-Disposition: form-data; name=\"tid\"\r\n\r\n"+tid+"\r\n");
sb.append("--"+boundary+"\r\n");
sb.append("Content-Disposition: form-data; name=\"rid\"\r\n\r\n"+rid+"\r\n");
sb.append("--"+boundary+"\r\n");
sb.append("Content-Disposition: form-data; name=\"qid\"\r\n\r\n"+qid+"\r\n");
sb.append("--"+boundary+"\r\n");
sb.append("Content-Disposition: form-data; name=\"u_id\"\r\n\r\n"+uid+"\r\n");
writer.write(sb.toString().getBytes());
sendPictures(writer);
writer.flush();
writer.close();
if(connection.getResponseMessage().trim().contains("OK")){
handler.sendEmptyMessage(1);
Intent data=new Intent();
data.putExtra("qid", qid);
data.putExtra("tid", tid);
setResult(DetailActivity.LOADPHOTO,data);
}else {

}
connection.disconnect();

} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}finally {
UpLoadActivity.this.finish();
}
}
private ProgressDialog dialog;
private String srcPath="";
private List list=new ArrayList(4);
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
// TODO Auto-generated method stub
super.onActivityResult(requestCode, resultCode, data);
if(resultCode==Activity.RESULT_OK){
switch (requestCode) {
case 1:
Bundle bundle=data.getExtras();
Bitmap bitmap=(Bitmap) bundle.get("data");
if(tag==1) imagView1.setImageBitmap(bitmap); saveImage(bitmap,tag);
if(tag==2) imagView2.setImageBitmap(bitmap); saveImage(bitmap,tag);
if(tag==3) imagView3.setImageBitmap(bitmap); saveImage(bitmap,tag);

Toast.makeText(this, "paizhao", Toast.LENGTH_SHORT).show();
break;
case 2:
Uri uri=data.getData();
ContentResolver resolver=this.getContentResolver();
Cursor c=resolver.query(uri, new String[]{MediaStore.Images.Media.DATA}, null, null, null);
c.moveToFirst();
srcPath=c.getString(c.getColumnIndex(MediaStore.Images.Media.DATA));
BitmapFactory.Options opts=new BitmapFactory.Options();
opts.inSampleSize=4;
Bitmap bitmap2=BitmapFactory.decodeFile(c.getString(c.getColumnIndex(MediaStore.Images.Media.DATA)), opts);
if(tag==1) {imagView1.setImageBitmap(bitmap2); list.set(tag, c.getString(c.getColumnIndex(MediaStore.Images.Media.DATA)));}
if(tag==2) {imagView2.setImageBitmap(bitmap2); list.set(tag, c.getString(c.getColumnIndex(MediaStore.Images.Media.DATA)));}
if(tag==3) {imagView3.setImageBitmap(bitmap2); list.set(tag, c.getString(c.getColumnIndex(MediaStore.Images.Media.DATA)));}
Toast.makeText(this, "tuku"+srcPath, Toast.LENGTH_SHORT).show();
c.close();
default:
break;
}
}
}


private void getpath(Uri uri, int tag2) {
// TODO Auto-generated method stub
ContentResolver resolver=this.getContentResolver();
Cursor c=resolver.query(uri, new String[]{MediaStore.Images.Media.DATA}, null, null, null);
c.moveToFirst();
srcPath=c.getString(c.getColumnIndex(MediaStore.Images.Media.DATA));
list.set(tag2, c.getString(c.getColumnIndex(MediaStore.Images.Media.DATA)));
Toast.makeText(this, "tuku"+srcPath, Toast.LENGTH_SHORT).show();
c.close();
}


private void saveImage(Bitmap bitmap,int tag2) {
// TODO Auto-generated method stub
String fileName=Environment.getExternalStorageDirectory().getAbsolutePath()+"/photos/"+tag+".png";
File imagFile=new File(fileName);
if(Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)){
if(!imagFile.getParentFile().exists()){
imagFile.getParentFile().mkdirs();
}
srcPath=imagFile.getPath();
list.set(tag2, fileName);
try {
BufferedOutputStream out=new BufferedOutputStream(new FileOutputStream(imagFile));
bitmap.compress(CompressFormat.JPEG, 30, out);
out.flush();
out.close();
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}else{
Toast.makeText(this, "sd卡出问题", Toast.LENGTH_SHORT).show();
}
}
@Override
protected void onDestroy() {
// TODO Auto-generated method stub
super.onDestroy();
}
}