用Apache的HttpClient包。
通过新建HttpGet实现get方式访问。下面的代码需要HttpClient4.3版本
DefaultHttpClient dhc=new DefaultHttpClient();
String url = "
http://192.168.1.50:1000/sql_query?p=bookname >";
url=URLEncoder.encode(url, "utf-8");
HttpGet get=new HttpGet(url);
CloseableHttpResponse res = dhc.execute(get);
String content=EntityUtils.toString(res.getEntity());
System.out.println(content);