import java.io.UnsupportedEncodingException;
import org.apache.commons.httpclient.Header;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.NameValuePair;
import org.apache.commons.httpclient.methods.PostMethod;

public class SendMsg_webchinese {

public static void main(String[] args)throws Exception
{

HttpClient client = new HttpClient();
 

PostMethod post = new PostMethod("http://gbk.api.smschinese.cn"); 
post.addRequestHeader("Content-Type","application/x-www-form-urlencoded;charset=gbk");//在標頭檔案中設定轉碼
NameValuePair[] data ={ new NameValuePair("Uid", "本站使用者名稱"),new NameValuePair("Key", "介面安全祕鑰"),new NameValuePair("smsMob","手機號碼"),new NameValuePair("smsText"
 
,"驗證碼：8888")};
post.setRequestBody(data);

client.executeMethod(post);
Header[] headers = post.getResponseHeaders();
int statusCode = post.getStatusCode();
System.out.println("statusCode:"+statusCode);
for(Header h : headers)
{
System.out.println(h.toString());
}
String result = new String(post.getResponseBodyAsString
 
().getBytes("gbk")); 
System.out.println(result); //列印返回訊息狀態


post.releaseConnection();

}

}

jar包下載

commons-logging-1.1.1.jar
commons-httpclient-3.1.jar
commons-codec-1.4.jar

說明：如果返回值是200，應該是整段程式程式碼沒有執行完整，只獲取到client.executeMethod(post)HTTP狀態碼的訊息；介面是提交成功，沒有執行下半部的返回訊息程式碼。
client.executeMethod(post);HTTP狀態碼參考：http://baike.baidu.com/view/1790469.html