//1.get请求无参数
@Test
public void testGet() throws IOException {
    String result;
    HttpGet get = new HttpGet("http://www.baidu.com");
    HttpClient client = HttpClientBuilder.create().build();
     HttpResponse response = client.execute(get);
     result = EntityUtils.toString(response.getEntity());
    System.out.println(result);
}

//2.get请求获取cookie

private String url;
private ResourceBundle bundle;
//用来存储cookie信息的变量
private BasicCookieStore store;
@BeforeTest
public void beforeTest(){
　　

//读取resource下application.properties文件

   bundle = ResourceBundle.getBundle("application",Locale.CHINA);

   url =  bundle.getString("test.url");
}

//获取cookie,cookie存储在store中
@Test
public void testGetCookies_read() throws IOException {
    String result;
　　//读取resource下application.properties文件中的获取cookie的url
    String uri = bundle.getString("getCookies.url");
    String testUri = this.url+uri;
    this.store = new BasicCookieStore();
    //获取响应
    HttpGet get = new HttpGet(testUri);
    CloseableHttpClient client = HttpClients.custom().setDefaultCookieStore(store).build();
    HttpResponse response = client.execute(get);
    result = EntityUtils.toString(response.getEntity(),"utf-8");
    System.out.println(result);
    //获取cookie
    List<Cookie> cookies = store.getCookies();
    for (Cookie cookie :cookies
         ) {
        String name = cookie.getName();
        String value = cookie.getValue();
        System.out.println("cookie: key= "+name +",name="+value);
    }
}

//3.获取cookie并发送请求
//依赖获取cookie的test方法
@Test(dependsOnMethods ={"testGetCookies_read"} )
public void testGetwithCookies() throws IOException {
    String uri = bundle.getString("test.get.with.cookies");
    String testUri = this.url+uri;
    System.out.println("url="+testUri);
    HttpGet get  = new HttpGet(testUri);
    CloseableHttpClient client = HttpClients.custom().setDefaultCookieStore(store).build();
    HttpResponse response = client.execute(get);
    int status =   response.getStatusLine().getStatusCode();
    System.out.println("status= "+status);
    String  result= EntityUtils.toString(response.getEntity(),"utf-8");
    System.out.println(result);
}

HttpClient发送get请求