[转载]Android通过Socket上传文件

摘要 android通过socket上传文件

目录[-]

• 思想：
•     1.直接将所有数据安装字节数组发送
•     2.对象序列化方式
• 一、thread方式
• 主界面
• 2.序列化文件对象
• 二、handler方式
• Client:
• 1.主界面
• 2.序列化文件对象
• server端

思想：

    1.直接将所有数据安装字节数组发送

    2.对象序列化方式

两种方式：

一、thread方式

Client1 :

1. 主界面

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package org.lxh.demo; import java.io.BufferedReader; import java.io.ByteArrayOutputStream; import java.io.File; import java.io.FileInputStream; import java.io.InputStream; import java.io.InputStreamReader; import java.io.ObjectOutputStream; import java.net.Socket; import org.lxh.util.UploadFile; import android.app.Activity; import android.os.Bundle; import android.os.Environment; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.TextView;   public class MyClientDemo extends Activity {     private Button send = null;         private TextView info = null;         @Override     public void onCreate(Bundle savedInstanceState) {             super.onCreate(savedInstanceState);             super.setContentView(R.layout.main);             this.send = (Button) super.findViewById(R.id.send);             this.info = (TextView) super.findViewById(R.id.info);             this.send.setOnClickListener(new SendOnClickListener());     }         private class SendOnClickListener implements OnClickListener {         @Override         public void onClick(View v) {                         try {                                 final Socket client = new Socket("192.168.1.114", 8888);                 BufferedReader buf = new BufferedReader(new InputStreamReader(                         client.getInputStream())); // 读取返回的数据                 new Thread(new Runnable() {                                         @Override                     public void run() {                                                 try {                                 ObjectOutputStream oos = new ObjectOutputStream(                                     client.getOutputStream());                                 UploadFile myFile = SendOnClickListener.this.getUploadFile();                                 oos.writeObject(myFile);//写文件对象                                 oos.close();                             } catch (Exception e) {                             }                     }                 }).start();                 String result = buf.readLine(); // 接收返回信息                 System.out.println("**************** " + result);                                 if ("true".equals(result)) {                     MyClientDemo.this.info.setText("操作成功！");                 } else {                     MyClientDemo.this.info.setText("操作失败！");                 }                 buf.close();                 client.close();             } catch (Exception e) {                 e.printStackTrace();             }         }   private UploadFile getUploadFile() throws Exception { // 包装了传送数据             UploadFile myFile = new UploadFile();             myFile.setTitle("DISNEY公园"); // 设置标题             myFile.setMimeType("image/jpeg"); // 图片的类型             File file = new File(Environment.getExternalStorageDirectory()                     .toString() + File.separator + "disney.jpg");             InputStream input = null;                         try {                 input = new FileInputStream(file); // 从文件中读取                 ByteArrayOutputStream bos = new ByteArrayOutputStream();                                 byte data[] = new byte[1024];                                 int len = 0;                                 while ((len = input.read(data)) != -1) {                     bos.write(data, 0, len);                 }                 myFile.setContentData(bos.toByteArray());                 myFile.setContentLength(file.length());                 myFile.setExt("jpg");             } catch (Exception e) {                                 throw e;             } finally {                 input.close();             }                           return myFile;         }     } }

2.序列化文件对象

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package org.lxh.util; import java.io.Serializable; @SuppressWarnings("serial") public class UploadFile implements Serializable {     private String title ;         private byte [] contentData ;         private String mimeType ;         private long contentLength ;         private String ext ;         public String getTitle() {                 return title;     }         public void setTitle(String title) {                 this.title = title;     }         public byte[] getContentData() {                 return contentData;     }         public void setContentData(byte[] contentData) {                 this.contentData = contentData;     }         public String getMimeType() {                 return mimeType;     }         public void setMimeType(String mimeType) {                 this.mimeType = mimeType;     }         public long getContentLength() {                 return contentLength;     }         public void setContentLength(long contentLength) {                 this.contentLength = contentLength;     }         public String getExt() {                 return ext;     }         public void setExt(String ext) {                 this.ext = ext;     } }

二、handler方式

Client:

1.主界面

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public class MyClientDemo extends Activity {     private Button send = null;         private TextView info = null;         private static final int FINISH = 0 ;         private Handler myHandler = new Handler(){             @Override     public void handleMessage(Message msg) {                     switch(msg.what) {                     case FINISH:                 String result = msg.obj.toString() ;    // 取出数据                 if ("true".equals(result)) {                     MyClientDemo.this.info.setText("操作成功！");                 } else {                     MyClientDemo.this.info.setText("操作失败！");                 }                break ;             }         }     } ;         @Override     public void onCreate(Bundle savedInstanceState) {                 super.onCreate(savedInstanceState);                 super.setContentView(R.layout.main);                 this.send = (Button) super.findViewById(R.id.send);                 this.info = (TextView) super.findViewById(R.id.info);                 this.send.setOnClickListener(new SendOnClickListener());     }         private class SendOnClickListener implements OnClickListener {         @Override         public void onClick(View v) {                         try {                                     final Socket client = new Socket("192.168.1.114", 8888);                                     final BufferedReader buf = new BufferedReader(new InputStreamReader(                         client.getInputStream())); // 读取返回的数据                     new Thread(new Runnable() {                                             @Override                         public void run() {                                                     try {                                     ObjectOutputStream oos = new ObjectOutputStream(                                         client.getOutputStream());                                     UploadFile myFile = SendOnClickListener.this.getUploadFile();                             oos.writeObject(myFile);                             String str = buf.readLine() ;    // 读取数据                             oos.close();                             Message msg = MyClientDemo.this.myHandler.obtainMessage(FINISH, str);                             MyClientDemo.this.myHandler.sendMessage(msg) ;                             buf.close();                             client.close();                         } catch (Exception e) {                             e.printStackTrace() ;                         }                     }                 }).start();             } catch (Exception e) {                 e.printStackTrace();             }         }

2.序列化文件对象

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private UploadFile getUploadFile() throws Exception { // 包装了传送数据     UploadFile myFile = new UploadFile();     myFile.setTitle("DISNEY公园"); // 设置标题     myFile.setMimeType("image/jpeg"); // 图片的类型     File file = new File(Environment.getExternalStorageDirectory()                 .toString() + File.separator + "disney.jpg");     InputStream input = null;                     try {                 input = new FileInputStream(file); // 从文件中读取                 ByteArrayOutputStream bos = new ByteArrayOutputStream();                                 byte data[] = new byte[1024];                                 int len = 0;                                 while ((len = input.read(data)) != -1) {                     bos.write(data, 0, len);                 }                 myFile.setContentData(bos.toByteArray());                 myFile.setContentLength(file.length());                 myFile.setExt("jpg");             } catch (Exception e) {                                 throw e;             } finally {                 input.close();             }                         return myFile;         }     } }

server端

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package org.lxh.server; import java.net.ServerSocket; public class MyServer {     public static void main(String[] args) throws Exception {         ServerSocket server = new ServerSocket(8888); // 服务器端端口         boolean flag = true; // 定义标记，可以一直死循环         while (flag) { // 通过标记判断循环             new Thread(new ServerThreadUtil(server.accept())).start(); // 启动线程         }         server.close(); // 关闭服务器     } }

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package org.lxh.server; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.io.ObjectInputStream; import java.io.OutputStream; import java.io.PrintStream; import java.net.Socket; import java.util.UUID; import org.lxh.util.UploadFile; public class ServerThreadUtil implements Runnable {     private static final String DIRPATH = "D:" + File.separator + "mldnfile"             + File.separator; // 目录路径     private Socket client = null;         private UploadFile upload = null;         public ServerThreadUtil(Socket client) {                 this.client = client;         System.out.println("新的客户端连接...");     }         @Override     public void run() {                 try {                 PrintStream out = new PrintStream(this.client.getOutputStream());                 ObjectInputStream ois = new ObjectInputStream(                         client.getInputStream()); // 反序列化                 this.upload = (UploadFile) ois.readObject(); // 读取对象                 System.out.println("文件标题：" + this.upload.getTitle());                 System.out.println("文件类型：" + this.upload.getMimeType());                 System.out.println("文件大小：" + this.upload.getContentLength());                 out.print(this.saveFile()) ;             } catch (Exception e) {                 e.printStackTrace();             } finally {                             try {                                     this.client.close();                 } catch (IOException e) {                     e.printStackTrace();             }         }     }         private boolean saveFile() throws Exception { // 负责文件内容的保存          File file = new File(DIRPATH + UUID.randomUUID() + "."                 + this.upload.getExt());                  if (!file.getParentFile().exists()) {             file.getParentFile().mkdir();         }         OutputStream output = null;                     try {                     output = new FileOutputStream(file) ;                     output.write(this.upload.getContentData()) ;                                 return true ;             } catch (Exception e) {                                 throw e;             } finally {                 output.close();         }     } }

 

转载于:https://www.cnblogs.com/roycl/articles/4198998.html