android post方式上傳檔案（類比表單格式資料提交）

標籤：android   blog   http   java   檔案   資料   

表單提交內容為：

POST /upload.php?zp_id=ab46ca6d703e3a1580c1c9b8b3a8fb39 HTTP/1.1
Accept: image/gif, image/jpeg, image/pjpeg, image/pjpeg, application/x-ms-application, application/x-ms-xbap, application/vnd.ms-xpsdocument, application/xaml+xml, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, */*
Referer: http://campus.eastmoney.com/upload/uploadf.php?zp_id=ab46ca6d703e3a1580c1c9b8b3a8fb39
Accept-Language: zh-cn
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 3.0.4506.2152; .NET CLR 3.5.30729; .NET4.0C; .NET4.0E)
Content-Type: multipart/form-data; boundary=---------------------------7de8c1a80910
Accept-Encoding: gzip, deflate
Host: campus.eastmoney.com
Content-Length: 8636
Connection: Keep-Alive
Cache-Control: no-cache
Cookie: emstat_bc_emcount=7843405732305291404; emstat_ss_emcount=104_1395241887_3077552069; zp_id=ab46ca6d703e3a1580c1c9b8b3a8fb39; zp_tag=%C8%CB%CA%C2%D6%FA%C0%ED%A3%A8%C8%CB%C1%A6%D7%CA%D4%B4%B2%BF%A3%A9; PHPSESSID=e4820e25c1ced88e0e677ed9610f3f56

-----------------------------7de8c1a80910
Content-Disposition: form-data; name="__VIEWSTATE"

-----------------------------7de8c1a80910
Content-Disposition: form-data; name="txtFileSer"

-----------------------------7de8c1a80910
Content-Disposition: form-data; name="txtSeqID"

94564504-c3bd-44c1-8048-e1195f701c9b
-----------------------------7de8c1a80910
Content-Disposition: form-data; name="txtAlias"

-----------------------------7de8c1a80910
Content-Disposition: form-data; name="txtSourceID"

8619075e-952c-45d5-90e7-43d80e1e7f40
-----------------------------7de8c1a80910
Content-Disposition: form-data; name="txtCname"

-----------------------------7de8c1a80910
Content-Disposition: form-data; name="txtUpLoad"; filename="ss.jpg"
Content-Type: image/pjpeg

籿湈x=*旫?;?欋芳管搪O*kbpU#m噡

-----------------------------7de8c1a80910
Content-Disposition: form-data; name="btnUpload"

上傳
-----------------------------7de8c1a80910--

 

import java.io.BufferedReader;import java.io.DataOutputStream;import java.io.File;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.IOException;import java.io.InputStream;import java.io.InputStreamReader;import java.net.HttpURLConnection;import java.net.MalformedURLException;import java.net.URL;import java.util.HashMap;import java.util.Iterator;import com.eastmoney.util.FileUtil;public class HttpAssistant implements Runnable {public static final int REQUEST_ERROR = 0xFFF;public static final int URL_MARLFORMED_ERROR = 0xFFE;public static final int IO_EXCEPTION_REEOR = 0xFFD;public static final int RESPONSE_SUCCESS = 0xFFC;final int CONNECT_TIME_OUT = 10000;final int READ_TIME_OUT = 10000;String requestString;HttpResponseCallback mCallback;RequestType type;HashMap<String, String> params;/** * @param requestString *            請求字串 * @param callback *            請求結果回調 * @param type *            請求類型（GET/POST） * @param params *            post請求參數 */public HttpAssistant(String requestString, HttpResponseCallback callback,RequestType type, HashMap<String, String> params) {this.requestString = requestString;this.mCallback = callback;this.type = type;this.params = params;}@Overridepublic void run() {if (type == null) {throw new IllegalArgumentException("NetworkRequest must specify a request type");}StringBuilder sb = new StringBuilder();HttpURLConnection conn = null;if (type == RequestType.GET || type == RequestType.GET_THUMBNAIL|| type == RequestType.GET_AUDIO|| type == RequestType.GET_IMAGE) {// GET請求try {URL url = new URL(requestString);conn = (HttpURLConnection) url.openConnection();conn.setConnectTimeout(CONNECT_TIME_OUT);conn.setReadTimeout(READ_TIME_OUT);conn.connect();InputStream is = conn.getInputStream();if (conn.getResponseCode() != HttpURLConnection.HTTP_OK) {if (mCallback != null) {mCallback.onResponse(REQUEST_ERROR, null);}conn.disconnect();return;}if (type == RequestType.GET) {BufferedReader br = new BufferedReader(new InputStreamReader(is));String line = null;sb.setLength(0);while ((line = br.readLine()) != null) {sb.append(line);}if (mCallback != null) {mCallback.onResponse(RESPONSE_SUCCESS, sb.toString());}} else {File file = null;if (type == RequestType.GET_THUMBNAIL) {file = FileUtil.createCacheFile(String.valueOf(requestString.hashCode()),FileUtil.Type.THUMBNAIL);} else if (type == RequestType.GET_IMAGE) {file = FileUtil.createCacheFile(String.valueOf(requestString.hashCode()),FileUtil.Type.IMAGE);} else if (type == RequestType.GET_AUDIO) {file = FileUtil.createCacheFile(String.valueOf(requestString.hashCode()),FileUtil.Type.AUDIO);}if (file == null) {if (mCallback != null) {mCallback.onResponse(IO_EXCEPTION_REEOR, null);}return;}FileOutputStream fos = new FileOutputStream(file);byte[] buffer = new byte[1024];int length = 0;while ((length = is.read(buffer)) != -1) {fos.write(buffer, 0, length);}fos.flush();fos.close();if (mCallback != null) {mCallback.onResponse(RESPONSE_SUCCESS, file);}buffer = null;System.gc();}conn.disconnect();return;} catch (MalformedURLException e) {if (mCallback != null) {mCallback.onResponse(URL_MARLFORMED_ERROR, null);}} catch (IOException e) {if (mCallback != null) {mCallback.onResponse(IO_EXCEPTION_REEOR, null);}} finally {if (conn != null) {conn.disconnect();}}} else if (type == RequestType.POST_IMAGE|| type == RequestType.POST_AUDIO) {if (params == null) {throw new IllegalArgumentException("Post request must specify arguments");}// 資料分割線String BOUNDARY = "---------------------------7de8c1a80910";// POST請求try {URL url = new URL(requestString);conn = (HttpURLConnection) url.openConnection();conn.setConnectTimeout(CONNECT_TIME_OUT);conn.setDoOutput(true);conn.setDoInput(true);conn.setUseCaches(false);conn.setReadTimeout(READ_TIME_OUT);conn.setRequestMethod("POST");conn.setRequestProperty("Connection", "Keep-Alive");conn.setRequestProperty("Charset", "UTF-8");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 3.0.4506.2152; .NET CLR 3.5.30729; .NET4.0C; .NET4.0E)");conn.setRequestProperty("Content-Type","multipart/form-data; boundary=" + BOUNDARY);// 末尾資料分隔字元byte[] endData = ("\r\n--" + BOUNDARY + "--\r\n").getBytes();// 資料輸出資料流DataOutputStream dos = new DataOutputStream(conn.getOutputStream());// 構建post資料sb.setLength(0);Iterator<String> i = params.keySet().iterator();while (i.hasNext()) {String key = i.next();if (!key.equals("txtUpLoad")) {// 向輸出資料流中填寫普通文本資料sb.append("\r\n\r\n\r\n--" + BOUNDARY + "\r\n");sb.append("Content-Disposition: form-data; name=\""+ key + "\"" + "\r\n\r\n");sb.append(params.get(key) + "\r\n");dos.write(sb.toString().getBytes());sb.setLength(0);} else {// 向輸出資料流中填寫上傳的檔案資料sb.append("\r\n\r\n--" + BOUNDARY + "\r\n");sb.append("Content-Disposition: form-data; name=\"txtUpLoad\"; filename=\""+ params.get("txtUpLoad") + "\"" + "\r\n");if (type == RequestType.POST_IMAGE) {sb.append("Content-Type: image/*\r\n\r\n");} else {sb.append("Content-Type: audio/*\r\n\r\n");}dos.write(sb.toString().getBytes());sb.setLength(0);// 傳輸檔案資料FileInputStream fis = new FileInputStream(new File(params.get("txtUpLoad")));byte[] buffer = new byte[1024];int length = 0;while ((length = fis.read(buffer)) != -1) {dos.write(buffer, 0, length);}fis.close();}}dos.write(endData);// 重新整理輸出資料流dos.flush();dos.close();// 擷取返回資料InputStream is = conn.getInputStream();if (conn.getResponseCode() != HttpURLConnection.HTTP_OK) {if (mCallback != null) {mCallback.onResponse(REQUEST_ERROR, null);}conn.disconnect();return;}sb.setLength(0);BufferedReader br = new BufferedReader(new InputStreamReader(is));String line = null;while ((line = br.readLine()) != null) {sb.append(line);}if (mCallback != null) {mCallback.onResponse(RESPONSE_SUCCESS, sb.toString());}conn.disconnect();} catch (MalformedURLException e) {if (mCallback != null) {mCallback.onResponse(URL_MARLFORMED_ERROR, null);}} catch (IOException e) {if (mCallback != null) {mCallback.onResponse(IO_EXCEPTION_REEOR, null);}} finally {if (conn != null) {conn.disconnect();}}}}/** 設定網路請求回調. */public void setCallback(HttpResponseCallback callback) {this.mCallback = callback;}/** 網路請求回調介面. */public static interface HttpResponseCallback {public void onResponse(int responseCode, Object responseObject);}public static enum RequestType {/** 一般get請求，返回資料為字串 */GET,/** 擷取頭像縮圖. */GET_THUMBNAIL,/** 擷取圖片檔案. */GET_IMAGE,/** 擷取音頻檔案 */GET_AUDIO,/** post請求，上傳資料為image */POST_IMAGE,/** post請求，上傳資料為audio */POST_AUDIO;}}