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; } }