HttpClient

pom

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<dependency>
		<groupId>org.apache.httpcomponents</groupId>
		<artifactId>httpclient</artifactId>
		<version>4.5.1</version>
	</dependency>
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public class User implements Serializable {
    private static final long serialVersionUID = 1L;
 private Long id;
    // 用户名
    private String userName;
    // 密码
    private String password;
    // 姓名
    private String name;
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@RunWith(SpringRunner.class)
@SpringBootTest(classes = HttpDemoApplication.class)
public class HttpDemoApplicationTests {

	@Autowired
	private RestTemplate restTemplate;

	@Test
	public void httpGet() {
		User user = this.restTemplate.getForObject("http://localhost/hello", User.class);
		System.out.println(user);
	}

}
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public class HttpTests {
    CloseableHttpClient httpClient;

    @Before
    public void init() {
        httpClient = HttpClients.createDefault();
    }

    @Test
    public void testGet() throws IOException {
        HttpGet request = new HttpGet("http://www.baidu.com");
        String response = this.httpClient.execute(request, new BasicResponseHandler());
        System.out.println(response);
    }

    @Test
    public void testPost() throws IOException {
        HttpGet request = new HttpGet("http://www.oschina.net/");
        request.setHeader("User-Agent",
                "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36");
        String response = this.httpClient.execute(request, new BasicResponseHandler());
        System.out.println(response);
    }

    @Test
    public void testGetPojo() throws IOException {
        HttpGet request = new HttpGet("http://localhost/hello");
        String response = this.httpClient.execute(request, new BasicResponseHandler());
        System.out.println(response);
    }
}

https://www.jianshu.com/p/375be5929bed

image-20190315142433207

image-20190315142521530

—-

https://www.cnblogs.com/ITtangtang/p/3968093.html

https://www.cnblogs.com/bethunebtj/p/8493379.html