网络爬虫(一)- 基本使用
get请求 get请求的基本使用 // 1. 打开浏览器,创建HttpClient对象 CloseableHttpClient httpClient = HttpClients.createDefault(); // 2.输入网址,发起get请求创建HttpGet对象 HttpGet get = new HttpGet("http://112.124.1.187/index.html?typeId=16"); // 3.发情请求,返回响应,使用HttpClient对象发起请求 CloseableHttpResponse response = httpClient.execute(get); // 4.解析响应,获取数据 if(response.getStatusLine().getStatusCode() == 200){ HttpEntity entity = response.getEntity(); String content = EntityUtils.toString(entity,"utf-8"); System.out.println(content); } get请求带参数(可以直接写在地址后,但是构成硬编码) // 1. 打开浏览器,创建HttpClient对象 CloseableHttpClient httpClient = HttpClients