Android通过HTTP协议实现上传文件数据

本文实例为大家分享了Android通过HTTP协议实现上传文件数据的具体代码，供大家参考，具体内容如下

SocketHttpRequester.java

package cn.itcast.utils;

import java.io.BufferedReader;
import java.io.ByteArrayOutputStream;
import java.io.DataOutputStream;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.InetAddress;
import java.net.Socket;
import java.net.URL;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;

public class SocketHttpRequester {
 /**
 * 发送xml数据
 * @param path 请求地址
 * @param xml xml数据
 * @param encoding 编码
 * @return
 * @throws Exception
 */
 public static byte[] postXml(String path, String xml, String encoding) throws Exception{
 byte[] data = xml.getBytes(encoding);
 URL url = new URL(path);
 HttpURLConnection conn = (HttpURLConnection)url.openConnection();
 conn.setRequestMethod("POST");
 conn.setDoOutput(true);
 conn.setRequestProperty("Content-Type", "text/xml; charset="+ encoding);
 conn.setRequestProperty("Content-Length", String.valueOf(data.length));
 conn.setConnectTimeout(5 * 1000);
 OutputStream outStream = conn.getOutputStream();
 outStream.write(data);
 outStream.flush();
 outStream.close();
 if(conn.getResponseCode()==200){
  return readStream(conn.getInputStream());
 }
 return null;
 }

 /**
 * 直接通过HTTP协议提交数据到服务器,实现如下面表单提交功能:
 *  <FORM METHOD=POST ACTION="http://192.168.0.200:8080/ssi/fileload/test.do" enctype="multipart/form-data">
  <INPUT TYPE="text" NAME="name">
  <INPUT TYPE="text" NAME="id">
  <input type="file" name="imagefile"/>
   <input type="file" name="zip"/>
  </FORM>
 * @param path 上传路径(注：避免使用localhost或127.0.0.1这样的路径测试，因为它会指向手机模拟器，你可以使用http://www.itcast.cn或http://192.168.1.10:8080这样的路径测试)
 * @param params 请求参数 key为参数名,value为参数值
 * @param file 上传文件
 */
 public static boolean post(String path, Map<String, String> params, FormFile[] files) throws Exception{
    final String BOUNDARY = "---------------------------7da2137580612"; //数据分隔线
    final String endline = "--" + BOUNDARY + "--\r\n";//数据结束标志

    int fileDataLength = 0;
    for(FormFile uploadFile : files){//得到文件类型数据的总长度
     StringBuilder fileExplain = new StringBuilder();
     fileExplain.append("--");
     fileExplain.append(BOUNDARY);
     fileExplain.append("\r\n");
     fileExplain.append("Content-Disposition: form-data;name=\""+ uploadFile.getParameterName()+"\";filename=\""+ uploadFile.getFilname() + "\"\r\n");
     fileExplain.append("Content-Type: "+ uploadFile.getContentType()+"\r\n\r\n");
     fileExplain.append("\r\n");
     fileDataLength += fileExplain.length();
     if(uploadFile.getInStream()!=null){
     fileDataLength += uploadFile.getFile().length();
    }else{
    fileDataLength += uploadFile.getData().length;
    }
    }
    StringBuilder textEntity = new StringBuilder();
    for (Map.Entry<String, String> entry : params.entrySet()) {//构造文本类型参数的实体数据
      textEntity.append("--");
      textEntity.append(BOUNDARY);
      textEntity.append("\r\n");
      textEntity.append("Content-Disposition: form-data; name=\""+ entry.getKey() + "\"\r\n\r\n");
      textEntity.append(entry.getValue());
      textEntity.append("\r\n");
    }
    //计算传输给服务器的实体数据总长度
    int dataLength = textEntity.toString().getBytes().length + fileDataLength + endline.getBytes().length;

    URL url = new URL(path);
    int port = url.getPort()==-1 ? 80 : url.getPort();
    Socket socket = new Socket(InetAddress.getByName(url.getHost()), port);
    OutputStream outStream = socket.getOutputStream();
    //下面完成HTTP请求头的发送
    String requestmethod = "POST "+ url.getPath()+" HTTP/1.1\r\n";
    outStream.write(requestmethod.getBytes());
    String accept = "Accept: image/gif, image/jpeg, image/pjpeg, image/pjpeg, application/x-shockwave-flash, application/xaml+xml, application/vnd.ms-xpsdocument, application/x-ms-xbap, application/x-ms-application, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, */*\r\n";
    outStream.write(accept.getBytes());
    String language = "Accept-Language: zh-CN\r\n";
    outStream.write(language.getBytes());
    String contenttype = "Content-Type: multipart/form-data; boundary="+ BOUNDARY+ "\r\n";
    outStream.write(contenttype.getBytes());
    String contentlength = "Content-Length: "+ dataLength + "\r\n";
    outStream.write(contentlength.getBytes());
    String alive = "Connection: Keep-Alive\r\n";
    outStream.write(alive.getBytes());
    String host = "Host: "+ url.getHost() +":"+ port +"\r\n";
    outStream.write(host.getBytes());
    //写完HTTP请求头后根据HTTP协议再写一个回车换行
    outStream.write("\r\n".getBytes());
    //把所有文本类型的实体数据发送出来
    outStream.write(textEntity.toString().getBytes());
    //把所有文件类型的实体数据发送出来
    for(FormFile uploadFile : files){
     StringBuilder fileEntity = new StringBuilder();
     fileEntity.append("--");
     fileEntity.append(BOUNDARY);
     fileEntity.append("\r\n");
     fileEntity.append("Content-Disposition: form-data;name=\""+ uploadFile.getParameterName()+"\";filename=\""+ uploadFile.getFilname() + "\"\r\n");
     fileEntity.append("Content-Type: "+ uploadFile.getContentType()+"\r\n\r\n");
     outStream.write(fileEntity.toString().getBytes());
     if(uploadFile.getInStream()!=null){
      byte[] buffer = new byte[1024];
      int len = 0;
      while((len = uploadFile.getInStream().read(buffer, 0, 1024))!=-1){
      outStream.write(buffer, 0, len);
      }
      uploadFile.getInStream().close();
     }else{
      outStream.write(uploadFile.getData(), 0, uploadFile.getData().length);
     }
     outStream.write("\r\n".getBytes());
    }
    //下面发送数据结束标志，表示数据已经结束
    outStream.write(endline.getBytes());

    BufferedReader reader = new BufferedReader(new InputStreamReader(socket.getInputStream()));
    if(reader.readLine().indexOf("200")==-1){//读取web服务器返回的数据，判断请求码是否为200，如果不是200，代表请求失败
     return false;
    }
    outStream.flush();
    outStream.close();
    reader.close();
    socket.close();
    return true;
 }

 /**
 * 提交数据到服务器
 * @param path 上传路径(注：避免使用localhost或127.0.0.1这样的路径测试，因为它会指向手机模拟器，你可以使用http://www.itcast.cn或http://192.168.1.10:8080这样的路径测试)
 * @param params 请求参数 key为参数名,value为参数值
 * @param file 上传文件
 */
 public static boolean post(String path, Map<String, String> params, FormFile file) throws Exception{
  return post(path, params, new FormFile[]{file});
 }
 /**
 * 提交数据到服务器
 * @param path 上传路径(注：避免使用localhost或127.0.0.1这样的路径测试，因为它会指向手机模拟器，你可以使用http://www.itcast.cn或http://192.168.1.10:8080这样的路径测试)
 * @param params 请求参数 key为参数名,value为参数值
 * @param encode 编码
 */
 public static byte[] postFromHttpClient(String path, Map<String, String> params, String encode) throws Exception{
 List<NameValuePair> formparams = new ArrayList<NameValuePair>();//用于存放请求参数
 for(Map.Entry<String, String> entry : params.entrySet()){
  formparams.add(new BasicNameValuePair(entry.getKey(), entry.getValue()));
 }
 UrlEncodedFormEntity entity = new UrlEncodedFormEntity(formparams, encode);
 HttpPost httppost = new HttpPost(path);
 httppost.setEntity(entity);
 HttpClient httpclient = new DefaultHttpClient();//看作是浏览器
 HttpResponse response = httpclient.execute(httppost);//发送post请求
 return readStream(response.getEntity().getContent());
 }

 /**
 * 发送请求
 * @param path 请求路径
 * @param params 请求参数 key为参数名称 value为参数值
 * @param encode 请求参数的编码
 */
 public static byte[] post(String path, Map<String, String> params, String encode) throws Exception{
 //String params = "method=save&name="+ URLEncoder.encode("老毕", "UTF-8")+ "&age=28&";//需要发送的参数
 StringBuilder parambuilder = new StringBuilder("");
 if(params!=null && !params.isEmpty()){
  for(Map.Entry<String, String> entry : params.entrySet()){
  parambuilder.append(entry.getKey()).append("=")
   .append(URLEncoder.encode(entry.getValue(), encode)).append("&");
  }
  parambuilder.deleteCharAt(parambuilder.length()-1);
 }
 byte[] data = parambuilder.toString().getBytes();
 URL url = new URL(path);
 HttpURLConnection conn = (HttpURLConnection)url.openConnection();
 conn.setDoOutput(true);//允许对外发送请求参数
 conn.setUseCaches(false);//不进行缓存
 conn.setConnectTimeout(5 * 1000);
 conn.setRequestMethod("POST");
 //下面设置http请求头
 conn.setRequestProperty("Accept", "image/gif, image/jpeg, image/pjpeg, image/pjpeg, application/x-shockwave-flash, application/xaml+xml, application/vnd.ms-xpsdocument, application/x-ms-xbap, application/x-ms-application, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, */*");
 conn.setRequestProperty("Accept-Language", "zh-CN");
 conn.setRequestProperty("User-Agent", "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.2; Trident/4.0; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.30; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)");
 conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
 conn.setRequestProperty("Content-Length", String.valueOf(data.length));
 conn.setRequestProperty("Connection", "Keep-Alive");

 //发送参数
 DataOutputStream outStream = new DataOutputStream(conn.getOutputStream());
 outStream.write(data);//把参数发送出去
 outStream.flush();
 outStream.close();
 if(conn.getResponseCode()==200){
  return readStream(conn.getInputStream());
 }
 return null;
 }

 /**
 * 读取流
 * @param inStream
 * @return 字节数组
 * @throws Exception
 */
 public static byte[] readStream(InputStream inStream) throws Exception{
 ByteArrayOutputStream outSteam = new ByteArrayOutputStream();
 byte[] buffer = new byte[1024];
 int len = -1;
 while( (len=inStream.read(buffer)) != -1){
  outSteam.write(buffer, 0, len);
 }
 outSteam.close();
 inStream.close();
 return outSteam.toByteArray();
 }
}

FormFile.java

package cn.itcast.utils;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.InputStream;

/**
 * 上传文件
 */
public class FormFile {
 /* 上传文件的数据 */
 private byte[] data;
 private InputStream inStream;
 private File file;
 /* 文件名称 */
 private String filname;
 /* 请求参数名称*/
 private String parameterName;
 /* 内容类型 */
 private String contentType = "application/octet-stream";

 public FormFile(String filname, byte[] data, String parameterName, String contentType) {
 this.data = data;
 this.filname = filname;
 this.parameterName = parameterName;
 if(contentType!=null) this.contentType = contentType;
 }

 public FormFile(String filname, File file, String parameterName, String contentType) {
 this.filname = filname;
 this.parameterName = parameterName;
 this.file = file;
 try {
  this.inStream = new FileInputStream(file);
 } catch (FileNotFoundException e) {
  e.printStackTrace();
 }
 if(contentType!=null) this.contentType = contentType;
 }

 public File getFile() {
 return file;
 }

 public InputStream getInStream() {
 return inStream;
 }

 public byte[] getData() {
 return data;
 }

 public String getFilname() {
 return filname;
 }

 public void setFilname(String filname) {
 this.filname = filname;
 }

 public String getParameterName() {
 return parameterName;
 }

 public void setParameterName(String parameterName) {
 this.parameterName = parameterName;
 }

 public String getContentType() {
 return contentType;
 }

 public void setContentType(String contentType) {
 this.contentType = contentType;
 }

}

StreamTool.java

package cn.itcast.utils;

import java.io.ByteArrayOutputStream;
import java.io.InputStream;

public class StreamTool {

 /**
 * 从输入流读取数据
 * @param inStream
 * @return
 * @throws Exception
 */
 public static byte[] readInputStream(InputStream inStream) throws Exception{
 ByteArrayOutputStream outSteam = new ByteArrayOutputStream();
 byte[] buffer = new byte[1024];
 int len = 0;
 while( (len = inStream.read(buffer)) !=-1 ){
  outSteam.write(buffer, 0, len);
 }
 outSteam.close();
 inStream.close();
 return outSteam.toByteArray();
 }
}

MainActivity.java

package cn.itcast.uploaddata;

import java.io.File;
import java.util.HashMap;
import java.util.Map;

import cn.itcast.net.HttpRequest;
import cn.itcast.utils.FormFile;
import cn.itcast.utils.SocketHttpRequester;
import android.app.Activity;
import android.os.Bundle;
import android.os.Environment;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

public class MainActivity extends Activity {
 private static final String TAG = "MainActivity";
  private EditText timelengthText;
  private EditText titleText;
  private EditText videoText;

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

    Button button = (Button) this.findViewById(R.id.button);
    timelengthText = (EditText) this.findViewById(R.id.timelength);
    videoText = (EditText) this.findViewById(R.id.video);
    titleText = (EditText) this.findViewById(R.id.title);
    button.setOnClickListener(new View.OnClickListener() {
  @Override
  public void onClick(View v) {
  String title = titleText.getText().toString();
  String timelength = timelengthText.getText().toString();
  Map<String, String> params = new HashMap<String, String>();
  params.put("method", "save");
  params.put("title", title);
  params.put("timelength", timelength);
  try {
  // HttpRequest.sendGetRequest("http://192.168.1.100:8080/videoweb/video/manage.do", params, "UTF-8");
   File uploadFile = new File(Environment.getExternalStorageDirectory(), videoText.getText().toString());
   FormFile formfile = new FormFile("02.mp3", uploadFile, "video", "audio/mpeg");
   SocketHttpRequester.post("http://192.168.1.100:8080/videoweb/video/manage.do", params, formfile);
   Toast.makeText(MainActivity.this, R.string.success, 1).show();
  } catch (Exception e) {
   Toast.makeText(MainActivity.this, R.string.error, 1).show();
   Log.e(TAG, e.toString());
  }
  }
 });

  }
}

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持我们。