使 httpClient 支持中文

一个有效的方法：重载 PostMethod 的 getRequestCharSet 方法

class PostChinese {
    HttpClient httpClient = new HttpClient();
    PostMethod postMethod = new UTF8PostMethod("http://xxxxxxxx");
    NameValuePair p1 = new NameValuePair("hello", "你好");
    NameValuePair p2 = new NameValuePair("world", "世界");
    postMethod.setRequestBody(new NameValuePair[] {p1, p2});
    try {
        httpClient.executeMethod(postMethod);
    } catch (HttpExeception e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
    httpPost.releaseConnection();
};

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