android通过socket上传文件
有两种方式：
-
直接将所有数据安装字节数组发送
-
对象序列化方式
Client1 :
thread方式
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);
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;
}
}
}
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;
}
}Client2:
handler方式
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.os.Handler;
import android.os.Message;
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;
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();
}
}
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:
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
}
}
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();
}
}
}
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;
}
}
转载请注明原文链接：https://www.cnblogs.com/itfanr/p/3161192.html
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