http://blog.csdn.net/u010989191/article/details/52852155

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   @RequestMapping(value="/Xxxxx/authenticate")
    public @ResponseBody String getToken(@RequestParam String username, @RequestParam String password) throws Exception {
        InputStream is 
 
= null;
        BufferedReader br = null;
        StringBuilder sBuilder = null;
        try {
            HttpClient httpClient = new DefaultHttpClient();
            HttpPut httpPut = new HttpPut("url");
            httpPut.addHeader("username",username);
            httpPut.addHeader("password",password);
            HttpResponse httpResponse 
 
= httpClient.execute(httpPut);
            //連接成功
            if(200 == httpResponse.getStatusLine().getStatusCode()){
                HttpEntity httpEntity = httpResponse.getEntity();
                is = httpEntity.getContent();
                br = new BufferedReader(new InputStreamReader(is));
                String tempStr;
                sBuilder 
 
= new StringBuilder();
                while ((tempStr = br.readLine()) != null) {
                    sBuilder.append(tempStr);
                }
                br.close();
                is.close();
            }
        }catch (Exception e){
            System.out.println(e);
            e.printStackTrace();
        }
        return sBuilder==null? "":sBuilder.toString();
    }

所需的jar包：http://download.csdn.net/detail/u010989191/9657039

[Java]隨記--HttpClient發送put請求