Android通過HTTP協議實現上傳文件數據

jopen 11年前發布 | 45K 次閱讀 Android Android開發移動開發

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 {
    /**
     * 發送xml數據
     * @param path 請求地址
     * @param xml xml數據
     * @param encoding 編碼
     * @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;
    }

    /**
     * 直接通過HTTP協議提交數據到服務器,實現如下面表單提交功能:
     *   <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 上傳路徑(注：避免使用localhost或127.0.0.1這樣的路徑測試，因為它會指向手機模擬器，你可以使用http://www.itcast.cn或http://192.168.1.10:8080這樣的路徑測試)
     * @param params 請求參數 key為參數名,value為參數值
     * @param file 上傳文件
     */
    public static boolean post(String path, Map<String, String> params, FormFile[] files) throws Exception{     
        final String BOUNDARY = "---------------------------7da2137580612"; //數據分隔線
        final String endline = "--" + BOUNDARY + "--\r\n";//數據結束標志

        int fileDataLength = 0;
        for(FormFile uploadFile : files){//得到文件類型數據的總長度
            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()) {//構造文本類型參數的實體數據
            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");
        }
        //計算傳輸給服務器的實體數據總長度
        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請求頭的發送
        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());
        //寫完HTTP請求頭后根據HTTP協議再寫一個回車換行
        outStream.write("\r\n".getBytes());
        //把所有文本類型的實體數據發送出來
        outStream.write(textEntity.toString().getBytes());         
        //把所有文件類型的實體數據發送出來
        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());
        }
        //下面發送數據結束標志，表示數據已經結束
        outStream.write(endline.getBytes());

        BufferedReader reader = new BufferedReader(new InputStreamReader(socket.getInputStream()));
        if(reader.readLine().indexOf("200")==-1){//讀取web服務器返回的數據，判斷請求碼是否為200，如果不是200，代表請求失敗
            return false;
        }
        outStream.flush();
        outStream.close();
        reader.close();
        socket.close();
        return true;
    }

    /**
     * 提交數據到服務器
     * @param path 上傳路徑(注：避免使用localhost或127.0.0.1這樣的路徑測試，因為它會指向手機模擬器，你可以使用http://www.itcast.cn或http://192.168.1.10:8080這樣的路徑測試)
     * @param params 請求參數 key為參數名,value為參數值
     * @param file 上傳文件
     */
    public static boolean post(String path, Map<String, String> params, FormFile file) throws Exception{
       return post(path, params, new FormFile[]{file});
    }
    /**
     * 提交數據到服務器
     * @param path 上傳路徑(注：避免使用localhost或127.0.0.1這樣的路徑測試，因為它會指向手機模擬器，你可以使用http://www.itcast.cn或http://192.168.1.10:8080這樣的路徑測試)
     * @param params 請求參數 key為參數名,value為參數值
     * @param encode 編碼
     */
    public static byte[] postFromHttpClient(String path, Map<String, String> params, String encode) throws Exception{
        List<NameValuePair> formparams = new ArrayList<NameValuePair>();//用于存放請求參數
        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();//看作是瀏覽器
        HttpResponse response = httpclient.execute(httppost);//發送post請求     
        return readStream(response.getEntity().getContent());
    }

    /**
     * 發送請求
     * @param path 請求路徑
     * @param params 請求參數 key為參數名稱 value為參數值
     * @param encode 請求參數的編碼
     */
    public static byte[] post(String path, Map<String, String> params, String encode) throws Exception{
        //String params = "method=save&name="+ URLEncoder.encode("老畢", "UTF-8")+ "&age=28&";//需要發送的參數
        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);//允許對外發送請求參數
        conn.setUseCaches(false);//不進行緩存
        conn.setConnectTimeout(5 * 1000);
        conn.setRequestMethod("POST");
        //下面設置http請求頭
        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");

        //發送參數
        DataOutputStream outStream = new DataOutputStream(conn.getOutputStream());
        outStream.write(data);//把參數發送出去
        outStream.flush();
        outStream.close();
        if(conn.getResponseCode()==200){
            return readStream(conn.getInputStream());
        }
        return null;
    }

    /**
     * 讀取流
     * @param inStream
     * @return 字節數組
     * @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;

/**
 * 上傳文件
 */
public class FormFile {
    /* 上傳文件的數據 */
    private byte[] data;
    private InputStream inStream;
    private File file;
    /* 文件名稱 */
    private String filname;
    /* 請求參數名稱*/
    private String parameterName;
    /* 內容類型 */
    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 {

    /**
     * 從輸入流讀取數據
     * @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());
                }
            }
        });

    }
}

本文由用戶 jopen 自行上傳分享，僅供網友學習交流。所有權歸原作者，若您的權利被侵害，請聯系管理員。

轉載本站原創文章，請注明出處，并保留原始鏈接、圖片水印。

本站是一個以用戶分享為主的開源技術平臺，歡迎各類分享！

本文地址：http://www.baiduhome.net/lib/view/open1361088530509.html

Android Android開發移動開發

Android通過HTTP協議實現上傳文件數據

相關經驗

相關資訊

相關文檔

目錄