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: *             
 * @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 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 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 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 params, String encode) throws Exception{ List formparams = new ArrayList();//用于存放请求参数 for(Map.Entry 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 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 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 params = new HashMap();  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脚本之家。

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