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作者： unknow

1.通过POST方法，发送数据至HTTP Server
2.大家通常忽略Content-Type和Content-Length

......
conn.setRequestMethod(HttpConnection.POST);

conn.setRequestProperty("User-Agent","Profile/MIDP-1.0 Configuration/CLDC-1.0" );
conn.setRequestProperty("Content-Language", "en-US" );

postmsg = request.getBytes();

conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
conn.setRequestProperty("Content-Length",Integer.toString( postmsg != null?postmsg.length : 0 ) );

out = conn.openOutputStream();
out.write(postmsg);
......