android 连接服务器

public class JsonUtil {
public static String json;

public static String findAll(String strUrl) throws Exception {
  // 创建请求HttpClient客户端
  System.out.println("连接上服务器");
  HttpClient httpClient = new DefaultHttpClient();
  // 创建请求的url
  // 创建请求的对象
  HttpGet get = new HttpGet(new URI(strUrl));
  // 发送get请求
  HttpResponse httpResponse = httpClient.execute(get);
  // 如果服务成功返回响应
  if (httpResponse.getStatusLine().getStatusCode() == 200) {
   HttpEntity entity = httpResponse.getEntity();
   if (entity != null) {
    // 获取服务器响应的json字符串
   json = EntityUtils.toString(entity, "UTF-8");
    System.out.println(json);     //输出返回的字符串信息
   }
  } else {
   System.out.println("连接超时");
  }
  return json;
 }

}

  

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