android上传文件之HTTP和Socket使用

1. 

package com.enenya.enenya_chat.utils;

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

/**
 * 使用JavaBean封装上传文件数据
 */
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";

  /**
   * 上传小文件，把文件数据先读入内存
   * 
   * @param filname
   * @param data
   * @param parameterName
   * @param contentType
   */
  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;
  }

  /**
   * 上传大文件，一边读文件数据一边上传
   * 
   * @param filname
   * @param file
   * @param parameterName
   * @param 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;
  }
}

2.

package com.enenya.enenya_chat.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.baidu.com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 {
    // 数据分隔线
    final String BOUNDARY = "---------------------------7da2137580612";
    // 数据结束标志"---------------------------7da2137580612--"
    final String endline = "--" + BOUNDARY + "--/r/n";

    // 下面两个for循环都是为了得到数据长度参数，依据表单的类型而定
    // 首先得到文件类型数据的总长度(包括文件分割线)
    int fileDataLength = 0;
    for (FormFile uploadFile : files) {
      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;
      }
    }

    // 再构造文本类型参数的实体数据
    StringBuilder textEntity = new StringBuilder();
    for (Map.Entry<String, String> entry : params.entrySet()) {
      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(文本总长度+数据总长度+分隔符)
    int dataLength = textEntity.toString().getBytes().length
        + fileDataLength + endline.getBytes().length;

    URL url = new URL(path);

    // 默认端口号其实可以不写
    int port = url.getPort() == -1 ? 80 : url.getPort();

    //Q:这里为什么不用HttpUrlConnection来实现了？
    //A:因为这个类使用了缓冲到内存的做法，这样会引起Out of Memory,所以采用Socket,这样更底层
    // 建立一个Socket链接
    Socket socket = new Socket(InetAddress.getByName(url.getHost()), port);

    // 获得一个输出流（从Android流到web）
    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());

    // 构建accept
    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());

    // 构建language
    String language = "Accept-Language: zh-CN/r/n";
    outStream.write(language.getBytes());

    // 构建contenttype
    String contenttype = "Content-Type: multipart/form-data; boundary="
        + BOUNDARY + "/r/n";
    outStream.write(contenttype.getBytes());

    // 构建contentlength
    String contentlength = "Content-Length: " + dataLength + "/r/n";
    outStream.write(contentlength.getBytes());

    // 构建alive
    String alive = "Connection: Keep-Alive/r/n";
    outStream.write(alive.getBytes());

    // 构建host
    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());

      // 边读边写
      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()));
    // 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
    if (reader.readLine().indexOf("200") == -1) {
      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.baidu.com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.baidu.com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 {
    // 用于存放请求参数
    List<NameValuePair> formparams = new ArrayList<NameValuePair>();
    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);

    // 看作是浏览器
    HttpClient httpclient = new DefaultHttpClient();

    // 发送post请求
    HttpResponse response = httpclient.execute(httppost);
    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();

    // 设置允许对外发送请求参数
    conn.setDoOutput(true);
    // 设置不进行缓存
    conn.setUseCaches(false);
    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();
  }
}<strong>
</strong>

3.调用

public void click_people_done(View view) {
    String nickname = ((EditText)findViewById(R.id.p_nickname)).getText().toString();
    String gender = ((Spinner)findViewById(R.id.p_gender)).getSelectedItem().toString();
    
    String filename = "";
    
    //如果有内存卡，并且是可读状态
    if(Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)
       || Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED_READ_ONLY)){
      File uploadFile = new File(Environment.getExternalStorageDirectory(),filename);
      if(uploadFile.exists()){
        String path = "http://192.168.1.1:8080/webapi/upload";
        Map<String, String> params = new HashMap<String,String>(); 
        params.put("NickName", nickname);
        params.put("Gender",gender);
        FormFile formFile = new FormFile(filename, uploadFile, "User_Icon", "image/pjpeg");
          boolean result = false;
        try {
          result = SocketHttpRequester.post(path, params, formFile);
          Toast.makeText(getApplicationContext(), "资料全部更新成功！", Toast.LENGTH_LONG).show();
        } catch (Exception e) {  
          Toast.makeText(getApplicationContext(), "资料更新失败！", Toast.LENGTH_LONG).show();
          e.printStackTrace();
        } 
      }else{
        Toast.makeText(getApplicationContext(), "文件已经存在", Toast.LENGTH_LONG).show();
      } 
    }else{
      Toast.makeText(getApplicationContext(), "请检查内存卡是否存在，并且是可读状态！", Toast.LENGTH_LONG).show();
    }  
  }