Android Post mode upload file (simulate form format data submission)

The form submission includes:

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=* maturity?;? Hermeneutical Fang Tube o*kbpu#m 噡

-----------------------------7de8c1a80910
Content-disposition:form-data; Name= "Btnupload"

Upload
-----------------------------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_er ROR = 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 * Request String * @param callback * Request Result callback * The @param type * Request Type (get/post) * @param params * POST request parameter */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 T Ype ");} StringBuilder sb = new StringBuilder (); HttpURLConnection conn = null;if (type = = Requesttype.get | | type = = requesttype.get_thumbnail| | type = = REQUESTTYPE.GET_A udio| | Type = = Requesttype.get_image) {//GET request try {URL url = new URL (requeststring); conn = (httpurlconnection) url.openconnectio n (); 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 (b Uffer))! =-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 Illegalargumente Xception ("Post request must specify arguments");}  Data Split Line string boundary = "---------------------------7de8c1a80910";//Post request 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);//End data delimiter byte[] Enddata = ("\r\n--" + boundary + "--\r\n"). GetBytes ();//Data output stream DataOutputStream dos = new DataOutputStream (conn.getoutputs Tream ());//Build Post data sb.setlength (0);iterator<string> i = Params.keyset (). Iterator (); while (I.hasnext ()) { String key = I.next (), if (!key.equals ("Txtupload")) {//To fill the output stream with plain text data 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 ");d Os.write (Sb.tostring (). GetBytes ()); Sb.setlength (0);} else {//to the output stream to fill in the uploaded file data 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);//Transfer file data FileInputStream FIS = new FileInputStream (new file Params.get ("Txtupload"))); byte[] buffer = new Byte[1024];int length = 0;while ((length = fis.read (buffer))! =-1) {Dos.wri Te (buffer, 0, length);} Fis.close ();}} Dos.write (enddata);//Refresh Output stream Dos.flush ();d os.close ();//Get Return data 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 ();}}}} /** set the network request callback. */public void Setcallback (Httpresponsecallback callback) {this.mcallback = callback;} /** Network request callback interface. */public static interface Httpresponsecallback {public void onresponse (int responsecode, Object responseobject);} public static enum RequestType {/** General GET request, the return data is a string */get,/** gets the avatar thumbnail. */get_thumbnail,/** get the picture file. */get_image,/** Get Audio text */get_audio,/** POST request, upload data for IMAGE */post_image,/** POST request, upload data for AUDIO */post_audio;}