Android通过HTTP协议实现上传文件数据

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 + "--
";//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("
");
             fileExplain.append("Content-Disposition: form-data;name=""+ uploadFile.getParameterName()+"";filename=""+ uploadFile.getFilname() + ""
");
             fileExplain.append("Content-Type: "+ uploadFile.getContentType()+"

");
             fileExplain.append("
");
             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("
");
            textEntity.append("Content-Disposition: form-data; name=""+ entry.getKey() + ""

");
            textEntity.append(entry.getValue());
            textEntity.append("
");
        }
        //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
";
        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, */*
";
        outStream.write(accept.getBytes());
        String language = "Accept-Language: zh-CN
";
        outStream.write(language.getBytes());
        String contenttype = "Content-Type: multipart/form-data; boundary="+ BOUNDARY+ "
";
        outStream.write(contenttype.getBytes());
        String contentlength = "Content-Length: "+ dataLength + "
";
        outStream.write(contentlength.getBytes());
        String alive = "Connection: Keep-Alive
";
        outStream.write(alive.getBytes());
        String host = "Host: "+ url.getHost() +":"+ port +"
";
        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("
".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("
");
             fileEntity.append("Content-Disposition: form-data;name=""+ uploadFile.getParameterName()+"";filename=""+ uploadFile.getFilname() + ""
");
             fileEntity.append("Content-Type: "+ uploadFile.getContentType()+"

");
             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("
".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());
                }
            }
        });
        
    }
}