HttpClient 使用代码

        // 强制清除原来的httpClient的状态
        this.abort();

        // 构造参数
        this.httpClient = new HttpClient(
                new MultiThreadedHttpConnectionManager());

        // 检测陈旧的连接是否可用，否重新建连接 TRUE 每次send建 False 不建 暂时没有用
        httpClient.getHttpConnectionManager().getParams()
                .setStaleCheckingEnabled(false);

        // 设置超时
        httpClient.getHttpConnectionManager().getParams().setConnectionTimeout(
                30000);


        HttpMethodBase get =  new PostMethod(targetURL);
        // 设置自动重定向
        get.setFollowRedirects(false);
        // 设置http报文头
        get.setRequestHeader(key, value);

        // 设置UA
        get.setRequestHeader("User-Agent", "Mozilla/4.0 (compatible; MSIE 6.0;) JavaAjax/1.0");

        try {
                RequestEntity a = new ByteArrayRequestEntity(
                        content.getBytes(), "UTF-8");
                ((PostMethod) get).setRequestEntity(a);
            int iGetResultCode = httpClient.executeMethod(get);

            String strGetResponseBody;
            Header[] responseHeaders;

            // 取得响应消息头
            responseHeaders = get.getResponseHeaders();
            // 取得输入流
            String in = get.getResponseBodyAsString();
} catch (Exception ex) {
            ex.printStackTrace();
        } finally {
            // 只是释放 并不一定关闭连接
            get.releaseConnection();

        }