android 服务器操作类

    简单 方便 

/**
 * @author think
 *以同步方式发送Http请求
 */

public class ApacheHttpClient {
	
       /**
     * @return 
     * 
     */
    public String httpGet(String uri) {
    	String response=null;//响应 
    	HttpClient httpClient=new DefaultHttpClient();
    	//创建HttpGet对象
    	HttpGet httpGet=new HttpGet(uri);
    	HttpResponse httpResponse;
    	try {
    		//使用execute方法发送HTTP GET请求，并返回HttpResponse对象
			httpResponse=httpClient.execute(httpGet);
			int statusCode = httpResponse.getStatusLine().getStatusCode();//返回码 ，
			if (statusCode==HttpStatus.SC_OK) {
				//获得返回结果
				response=EntityUtils.toString(httpResponse.getEntity());
			}
			else {
				response = "返回码："+statusCode;
			}
		} catch (Exception e) {
			// TODO Auto-generated catch block
			      e.printStackTrace();}

    	System.out.println(response);
		  return response;
		
	}
       
    /**
	 * 以Post方式发送请求
	 * @param url 请求地址
	 * @param params 参数 ，Post方式必须用NameValuePair[]阵列储存参数
	 * @return
	 * @throws Exception
	 */
    public String httpPost(String uri,List<NameValuePair> params) throws Exception{
    	String response=null;
    	
    	HttpClient httpClient=new DefaultHttpClient();
    	HttpPost httpPost=new HttpPost(uri);
    	try {
    		//设置httpPost请求参数
        	httpPost.setEntity(new UrlEncodedFormEntity(params,HTTP.UTF_8));
        	//使用execute方法发送HTTP Post请求，并返回HttpResponse对象
        	HttpResponse httpResponse=httpClient.execute(httpPost);
        	int statusCode = httpResponse.getStatusLine().getStatusCode();//返回码 ，
        	if (statusCode==HttpStatus.SC_OK) {
				response=EntityUtils.toString(httpResponse.getEntity());
				System.out.println("______________"+response);
			}
        	else {
        		response = "返回码："+statusCode;
        		System.out.println("______________"+response);
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
    	
		return response;
		
	}
}