J2MEpost方式上传文件
发布时间：2010/5/13 11:27:02 来源：城市学习网 编辑：ziteng
public void upload() {
String name = po.getName(); // file name
String str = po.getStr()+"/plugins/j2me"; // url
byte[] raw = snap.getData(); // file data
String cmd = "uploadpic";
String auth = po.getUserId();
String albumId = po.getUserId();
String type = po.getType();
String remarks = po.getDemo();
String[] props = { "cmd","auth","albumId", "public", "remarks" }; //property name
String[] values = { cmd, auth, albumId, type, remarks }; // property value
try {
String BOUNDARY = "---------7d4a6d158c9"; // separate line
String MULTIPART_FORM_DATA = "multipart/form-data";
StringBuffer sb = new StringBuffer();
for (int i = 0; i < props.length; i++) { // send each property
sb = sb.append("--");
sb = sb.append(BOUNDARY);
sb = sb.append("\r\n");
sb = sb.append("Content-Disposition: form-data; name=\""+ props[i] + "\"\r\n\r\n");
sb = sb.append(URLEncoder.encode(values[i],"UTF-8"));
sb = sb.append("\r\n");
}
sb = sb.append("--");
sb = sb.append(BOUNDARY);
sb = sb.append("\r\n");
sb = sb.append("Content-Disposition: form-data;name=\"file\";filename=\""+ name + ".jpg\"\r\n");
sb = sb.append("Content-Type: application/octet-stream\r\n\r\n");
byte[] data = sb.toString().getBytes();
byte[] end_data = ("\r\n--" + BOUNDARY + "--\r\n").getBytes();
HttpConnection hc = (HttpConnection) Connector.open(str,Connector.READ_WRITE); // set HTTP head:
hc.setRequestProperty("Content-Type", MULTIPART_FORM_DATA + "; boundary=" + BOUNDARY);
hc.setRequestProperty("Content-Length", String.valueOf(data.length+ raw.length + end_data.length)); //
// hc.setRequestProperty("Connection", "keep-alive");
hc.setRequestMethod(HttpConnection.POST); // out: OutputStream //
output =hc.openOutputStream();
output.write(data);
output.write(raw, 0, raw.length);
output.write(end_data);
int cah = hc.getResponseCode();
if (cah != HttpConnection.HTTP_OK) {
System.out.println(cah);
return;
}
output.close();
//receive(hc);
hc.close();
} catch (IOException e) {
} catch (SecurityException e) {
} catch (NullPointerException e) {
}
}
