httpClient中文乱码问题解决（wap提交）收藏

我在尝试着直接将中文改变为utf-8的字符串直接写入，失败后！以为是网络传输中应该是iso-8859-1方式传输的，然后将中文转为该编码格式，还是失败后，看httpclient源代码发现：重写postmethod中的getrequestcharset()方法，虽然源代码中该方法动态的设置编码格式，但是好像并没有很好的执行！在重写后，问题解决！
package pro;

import java.io.IOException;

import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpException;
import org.apache.commons.httpclient.HttpStatus;
import org.apache.commons.httpclient.NameValuePair;
import org.apache.commons.httpclient.methods.PostMethod;

public class simulateWebAction {

public static void main(String[] args) throws IOException {
// TODO Auto-generated method stub
String url = “*******”;
PostMethod postMethod = new UTF8PostMethod(url);
StringBuilder origin = new StringBuilder();
origin.setLength(0);

HttpClient httpClient = new HttpClient();
// getMethod.getParams().setParameter(HttpMethodParams.RETRY_HANDLER, new DefaultHttpMethodRetryHandler());

NameValuePair a = new NameValuePair("a","**");
NameValuePair q = new NameValuePair("q","**");
NameValuePair[] param = new NameValuePair[]{a,q};

postMethod.setRequestBody(param);
try {
// 执行getMethod
int statusCode = httpClient.executeMethod(postMethod);
if (statusCode != HttpStatus.SC_OK) {
System.err.println("Method failed: "+ postMethod.getStatusLine());
}else{
// 读内容
System.out.println(postMethod.getResponseBodyAsString());
}

} catch (HttpException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}finally{
postMethod.releaseConnection();
}
}

public static class UTF8PostMethod extends PostMethod{
public UTF8PostMethod(String url){
super(url);
}
@Override
public String getRequestCharSet() {
//return super.getRequestCharSet();
return "UTF-8";
}
}
}