Android通过HTTP协议实现上传文件数据

jopen 12年前

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());      }     }    });                }  }