(复习)android 调用系统相机 图库 裁剪-图片上传-客服端-服务器

引用转载http://www.cnblogs.com/eyu8874521/archive/2012/07/20/2600697.html


效果:

(复习)android 调用系统相机 图库 裁剪-图片上传-客服端-服务器_第1张图片



(复习)android 调用系统相机 图库 裁剪-图片上传-客服端-服务器_第2张图片



(复习)android 调用系统相机 图库 裁剪-图片上传-客服端-服务器_第3张图片


客服端代码:


package com.cn.lxz.zhaopian;

import java.io.File;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;

import lxz.utils.android.graphics.GraphicsBitmapUtils;
import lxz.utils.android.net.UploadFile;
import lxz.utils.android.resource.AndroidClass;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.content.Intent;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.os.Message;
import android.provider.MediaStore;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.Toast;

public class Activity_UploadPic extends Activity implements Handler.Callback {
	/** Called when the activity is first created. */

	ImageView view_pic;
	Button view_btn;
	EditText view_et;
	// 线程通知上传成功
	final Handler upLoadhand = new Handler(this);
	String[] arrayString = { "拍照", "相册" };
	String title = "上传照片";

	// 上传的地址
	String uploadUrl = "http://192.168.1.101:8080/UploadServlet/UploadServlet?";
	String filename = "照片";
	private static final int PHOTO_REQUEST_TAKEPHOTO = 1;// 拍照
	private static final int PHOTO_REQUEST_GALLERY = 2;// 从相册中选择
	private static final int PHOTO_REQUEST_CUT = 3;// 结果

	@Override
	public boolean handleMessage(Message msg) {

		if (msg.obj != null) {
			Drawable drawable = new BitmapDrawable((Bitmap) msg.obj);
			view_pic.setBackgroundDrawable(drawable);
			Toast.makeText(this, "获得图片并且头像上传成功", 3).show();
		}else
		{
			Toast.makeText(this, "获得图片,但是头像上传失败,请注意配置uploadUrl上传地址", 3).show();
		}
	
		return false;
	}

	// 创建一个以当前时间为名称的文件
	File tempFile = new File(Environment.getExternalStorageDirectory(),
			getPhotoFileName());

	// 对话框
	OnClickListener onDialogClick = new OnClickListener() {
		@Override
		public void onClick(DialogInterface dialog, int which) {
			switch (which) {
			case 0:
				startCamearPicCut(dialog);// 开启照相
				break;
			case 1:
				startImageCaptrue(dialog);// 开启图库
				break;
			default:
				break;
			}
		}

		private void startCamearPicCut(DialogInterface dialog) {
			// TODO Auto-generated method stub
			dialog.dismiss();
			// 调用系统的拍照功能
			Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);

			intent.putExtra("camerasensortype", 2);// 调用前置摄像头
			intent.putExtra("autofocus", true);// 自动对焦
			intent.putExtra("fullScreen", false);// 全屏
			intent.putExtra("showActionIcons", false);
			// 指定调用相机拍照后照片的储存路径
			intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(tempFile));
			startActivityForResult(intent, PHOTO_REQUEST_TAKEPHOTO);
		}

		private void startImageCaptrue(DialogInterface dialog) {
			// TODO Auto-generated method stub
			dialog.dismiss();
			Intent intent = new Intent(Intent.ACTION_PICK, null);
			intent.setDataAndType(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
					"image/*");
			startActivityForResult(intent, PHOTO_REQUEST_GALLERY);
		}
	};

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);
		init();

	}

	private void init() {
		// TODO Auto-generated method stub
		view_pic = (ImageView) findViewById(R.id.iv);
		view_btn = (Button) findViewById(R.id.btn);
		view_et = (EditText) findViewById(R.id.et);
		view_btn.setOnClickListener(new View.OnClickListener() {

			@Override
			public void onClick(View v) {
				// TODO Auto-generated method stub
				AlertDialog.Builder dialog = AndroidClass.getListDialogBuilder(
						Activity_UploadPic.this, arrayString, title,
						onDialogClick);
				dialog.show();
			}
		});
	}

	// 使用系统当前日期加以调整作为照片的名称
	private String getPhotoFileName() {
		Date date = new Date(System.currentTimeMillis());
		SimpleDateFormat dateFormat = new SimpleDateFormat(
				"'IMG'_yyyyMMdd_HHmmss");
		return dateFormat.format(date) + ".jpg";
	}

	@Override
	protected void onActivityResult(int requestCode, int resultCode, Intent data) {
		super.onActivityResult(requestCode, resultCode, data);
		switch (requestCode) {
		case PHOTO_REQUEST_TAKEPHOTO:
			startPhotoZoom(Uri.fromFile(tempFile), 150);
			break;

		case PHOTO_REQUEST_GALLERY:
			if (data != null) {
				startPhotoZoom(data.getData(), 150);
			}
			break;

		case PHOTO_REQUEST_CUT:
			if (data != null) {
				setPicToView(data);
			}
			break;
		}
		super.onActivityResult(requestCode, resultCode, data);
	}

	private void startPhotoZoom(Uri uri, int size) {
		Intent intent = new Intent("com.android.camera.action.CROP");
		intent.setDataAndType(uri, "image/*");
		// crop为true是设置在开启的intent中设置显示的view可以剪裁
		intent.putExtra("crop", "true");

		// aspectX aspectY 是宽高的比例
		intent.putExtra("aspectX", 1);
		intent.putExtra("aspectY", 1);

		// outputX,outputY 是剪裁图片的宽高
		intent.putExtra("outputX", size);
		intent.putExtra("outputY", size);
		intent.putExtra("return-data", true);

		startActivityForResult(intent, PHOTO_REQUEST_CUT);
	}

	// 将进行剪裁后的图片显示到UI界面上
	private void setPicToView(Intent picdata) {
		Bundle bundle = picdata.getExtras();
		if (bundle != null) {
			final Bitmap photo = bundle.getParcelable("data");

			new Thread() {

				@Override
				public void run() {
					byte[] photodata = GraphicsBitmapUtils.Bitmap2Bytes(photo);
					UploadFile uploadFile = new UploadFile(uploadUrl);
					Map parameters = new HashMap();
					parameters.put("msg", view_et.getText().toString());
					
					boolean isUploadSuccess = false;
		
					try {
						isUploadSuccess = uploadFile.defaultUploadMethod(
								photodata, filename, parameters);
					} catch (IOException e) {
						// TODO Auto-generated catch block
						e.printStackTrace();
					}
	
					if (isUploadSuccess) {
						upLoadhand.obtainMessage(0, photo).sendToTarget();
					} else {
						upLoadhand.obtainMessage(-1, null).sendToTarget();
					}

				}
			}.start();

		}
	}

}

服务器端

package com.project3gabs.action;



import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.net.URLEncoder;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.FileItemFactory;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;

public class UploadServlet extends HttpServlet
{
	protected void service(HttpServletRequest request,
			HttpServletResponse response) throws ServletException, IOException
	{
		
		System.out.println("服务器发现上传文件");
		System.out.println(this.getServletContext().getRealPath("/"));
		

		request.setCharacterEncoding("UTF-8");
		
		if(request.getHeader("user-agent")!=null&&(request.getHeader("user-agent").toLowerCase().indexOf("mozilla")!=-1)) 
		{ 
			System.out.println("访问端-PC");
		}else 
		{ 
			System.out.println("访问端-手机");
		
		}

		
		
		try {
			request.setCharacterEncoding("UTF-8"); // 设置处理请求参数的编码格式
			response.setContentType("text/html;charset=UTF-8"); // 设置Content-Type字段值
			PrintWriter out = response.getWriter();
			System.out.println("附加信息"+URLEncoder.encode(request.getParameter("msg"),"UTF-8"));

		} catch (Exception e1) {
			// TODO Auto-generated catch block
			e1.printStackTrace();
		}
		try
		{
			
			
			// 下面的代码开始使用Commons-UploadFile组件处理上传的文件数据
			FileItemFactory factory = new DiskFileItemFactory(); // 建立FileItemFactory对象
			ServletFileUpload upload = new ServletFileUpload(factory);
			// 分析请求,并得到上传文件的FileItem对象
			List<FileItem> items = upload.parseRequest(request);
			// 从web.xml文件中的参数中得到上传文件的路径
			String uploadPath = this.getServletContext().getRealPath("/")+"\\upload\\";
			File file = new File(uploadPath);
			if (!file.exists())
			{
				file.mkdir();
			}
			String filename = null; // 上传文件保存到服务器的文件名
			InputStream is = null; // 当前上传文件的InputStream对象
			// 循环处理上传文件
			
		
			
			for (FileItem item : items)
			{
				
				// 处理普通的表单域
				if (item.isFormField())
				{
					try {
						System.out.println(item.getFieldName()+item.getString());
					} catch (Exception e) {
						// TODO Auto-generated catch block
						e.printStackTrace();
					}
					if (item.getFieldName().equals("filename"))
					{
						// 如果新文件不为空,将其保存在filename中
						if (!item.getString().equals(""))
							filename = item.getString("UTF-8");
						System.out.println("filename="+filename);
					}

					
				}
				// 处理上传文件
				else if (item.getName() != null && !item.getName().equals(""))
				{
					// 从客户端发送过来的上传文件路径中截取文件名
					filename = item.getName().substring(
							item.getName().lastIndexOf("\\") + 1);
					
					is = item.getInputStream(); // 得到上传文件的InputStream对象
				
				}
			}
			// 将路径和上传文件名组合成完整的服务端路径
			filename = uploadPath + filename;
			System.out.println("filename="+filename);
			// 如果服务器已经存在和上传文件同名的文件,则输出提示信息
			if (new File(filename).exists())
			{
				new File(filename).delete();
			}
			// 开始上传文件
			if (!filename.equals(""))
			{
				// 用FileOutputStream打开服务端的上传文件
				FileOutputStream fos = new FileOutputStream(filename);
				byte[] buffer = new byte[8192]; // 每次读8K字节
				int count = 0;
				// 开始读取上传文件的字节,并将其输出到服务端的上传文件输出流中
				while ((count = is.read(buffer)) > 0)
				{
					fos.write(buffer, 0, count); // 向服务端文件写入字节流
					
				}
				fos.close(); // 关闭FileOutputStream对象
				is.close(); // InputStream对象
				
				System.out.println("文件上传成功!");
			}
		}
		catch (Exception e)
		{

		}
	}
}



本文:Demo代码下载


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