android 拍照上传

【实例截图】

【核心代码】

package com.dong.takephoto;

import java.io.BufferedOutputStream;
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.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.UUID;

import android.app.Activity;
import android.content.ContentResolver;
import android.content.Intent;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.provider.MediaStore;
import android.view.Gravity;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.Toast;

/**
 * 本地上传和调用系统拍照
 * @author Administrator
 *
 */
public class NativePhoto extends Activity implements OnClickListener{
	
	
	private ImageView img;
	private Button nati;
	private Button pai;
	private String srcPath;
	private static final int TIME_OUT = 10*1000;   //超时时间   
	private static final String CHARSET = "utf-8"; //设置编码 
	
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.aa);
		initView();
	}
	
	private void initView() {
		img = (ImageView) findViewById(R.id.img);
		nati = (Button) findViewById(R.id.natives);
		pai = (Button) findViewById(R.id.pai);
		nati.setOnClickListener(this);
		pai.setOnClickListener(this);
	}

	@Override
	public void onClick(View v) {
		switch(v.getId()){
		case R.id.natives:
			Intent local = new Intent();  
 			local.setType("image/*");  
  			local.setAction(Intent.ACTION_GET_CONTENT);  
			startActivityForResult(local, 2);
			break;
		case R.id.pai:
			Intent it = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
			startActivityForResult(it, 1); 
			break;
		}
	}
	
	/**
	 * 拍照上传
	 */
	protected void onActivityResult(int requestCode, int resultCode, Intent data) {   
    	super.onActivityResult(requestCode, resultCode, data);

    	if (resultCode == Activity.RESULT_OK) { 
    		switch(requestCode) {  
    		case 1:  
    			Bundle extras = data.getExtras();
                Bitmap b = (Bitmap) extras.get("data"); 
                img.setImageBitmap(b); 
                String name = new SimpleDateFormat("yyyyMMddhhmmss").format(new Date());
                String fileNmae = Environment.getExternalStorageDirectory().toString() File.separator "dong/image/" name ".jpg";
                srcPath = fileNmae;
                System.out.println(srcPath "----------");
                File myCaptureFile =new File(fileNmae);
				try {
					if(Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)){
					if(!myCaptureFile.getParentFile().exists()){
						myCaptureFile.getParentFile().mkdirs();
		        	}
					BufferedOutputStream bos;
					bos = new BufferedOutputStream(new FileOutputStream(myCaptureFile));
					b.compress(Bitmap.CompressFormat.JPEG, 80, bos);
					bos.flush();
	                bos.close();
					}else{
			        	
			        	 Toast toast= Toast.makeText(NativePhoto.this, "保存失败，SD卡无效", Toast.LENGTH_SHORT);
			        	 toast.setGravity(Gravity.CENTER, 0, 0);
			        	 toast.show();
			        }
				} catch (FileNotFoundException e) {
						e.printStackTrace();
				} catch (IOException e) {
						e.printStackTrace();
				}
    			break;  
    		case 2: 
	    			Uri uri = data.getData();
    			img.setImageURI(uri);
    			ContentResolver cr = this.getContentResolver();  
    			Cursor c = cr.query(uri, null, null, null, null);  
    			c.moveToFirst();  
    			//这是获取的图片保存在sdcard中的位置
    			srcPath = c.getString(c.getColumnIndex("_data")); 
    			System.out.println(srcPath "----------");
    			break;  
    		default:  
    			break;  
    		};  
    	}
//    	n =1;
    }
	
	
	
	
	/** 
	  * android上传文件到服务器 
	  * @param file  需要上传的文件 
	  * @param RequestURL  请求的rul 
	  * @return  返回响应的内容 
	  */  
	 public static String uploadFile(File file,String RequestURL){  
	     String result = null;  
	     String  BOUNDARY =  UUID.randomUUID().toString();  //边界标识   随机生成   
	     String PREFIX = "--" , LINE_END = "\r\n";   
	     String CONTENT_TYPE = "multipart/form-data";   //内容类型   
	       
	     try {  
	         URL url = new URL(RequestURL);  
	         HttpURLConnection conn = (HttpURLConnection) url.openConnection();  
	         conn.setReadTimeout(TIME_OUT);  
	         conn.setConnectTimeout(TIME_OUT);  
	         conn.setDoInput(true);  //允许输入流   
	         conn.setDoOutput(true); //允许输出流   
	         conn.setUseCaches(false);  //不允许使用缓存   
	         conn.setRequestMethod("POST");  //请求方式   
	         conn.setRequestProperty("Charset", CHARSET);  //设置编码   
	         conn.setRequestProperty("connection", "keep-alive");     
	         conn.setRequestProperty("Content-Type", CONTENT_TYPE   ";boundary="   BOUNDARY);   
	         if(file!=null){  
	             /** 
	              * 当文件不为空，把文件包装并且上传 
	              */  
	             DataOutputStream dos = new DataOutputStream( conn.getOutputStream());  
	             StringBuffer sb = new StringBuffer();  
	             sb.append(PREFIX);  
	             sb.append(BOUNDARY);  
	             sb.append(LINE_END);  
	             /** 
	              * 这里重点注意： 
	              * name里面的值为服务器端需要key   只有这个key 才可以得到对应的文件 
	              * filename是文件的名字，包含后缀名的   比如:abc.png   
	              */  
	             sb.append("Content-Disposition: form-data; name=\"fup\"; filename=\"" file.getName() "\"" LINE_END);   
	             sb.append("Content-Type: image/pjpeg; charset=" CHARSET LINE_END);  
	             sb.append(LINE_END);  
	             dos.write(sb.toString().getBytes());  
	             InputStream is = new FileInputStream(file);  
	             byte[] bytes = new byte[1024];  
	             int len = 0;  
	             while((len=is.read(bytes))!=-1){  
	                 dos.write(bytes, 0, len);  
	             }  
	             is.close();  
	             dos.write(LINE_END.getBytes());  
	             byte[] end_data = (PREFIX BOUNDARY PREFIX LINE_END).getBytes();  
	             dos.write(end_data);  
	             dos.flush();  
	             /** 
	              * 获取响应码  200=成功 
	              * 当响应成功，获取响应的流   
	              */  
	            
	             int res = conn.getResponseCode(); 
	             System.out.println("res=========" res);
	             if(res==200){  
	                 InputStream input =  conn.getInputStream();  
	                 StringBuffer sb1= new StringBuffer();  
	                 int ss ;  
	                 while((ss=input.read())!=-1){  
	                     sb1.append((char)ss);  
	                 }  
	                 result = sb1.toString();  
	             }  
	             else{  
	             }  
	         }  
	     } catch (MalformedURLException e) {  
	         e.printStackTrace();  
	     } catch (IOException e) {  
	         e.printStackTrace();  
	     }  
	     return result;  
	 } 
	
	
}