Java爬坑 -- spring boot + RestTemplate

最近从HTTP跳 RestTemplate ,,,----------直接上代码...仅供参考,,,还请各位大神指正

  1 import com.alibaba.fastjson.JSONObject;
  2 import com.chuzihang.model.UserInfo;
  3 import org.apache.commons.lang3.RandomUtils;
  4 import org.slf4j.Logger;
  5 import org.slf4j.LoggerFactory;
  6 import org.springframework.beans.factory.annotation.Autowired;
  7 import org.springframework.http.HttpHeaders;
  8 import org.springframework.http.HttpStatus;
  9 import org.springframework.http.ResponseEntity;
 10 import org.springframework.web.bind.annotation.*;
 11 import org.springframework.web.client.RestTemplate;
 12 import org.springframework.web.util.UriComponents;
 13 import org.springframework.web.util.UriComponentsBuilder;
 14 
 15 import java.net.URI;
 16 
 17 /**
 18  * @ClassName TestController
 19  * @Description TODO
 20  * @Author Q_先生
 21  * @Date 2018/7/10 16:46
 22  **/
 23 @RestController
 24 @RequestMapping("/test")
 25 public class TestController {
 26 
 27     private Logger logger = LoggerFactory.getLogger(getClass());
 28 
 29     @Autowired
 30     private RestTemplate restTemplate;
 31 
 32     /**********    HTTP GET method   **************/
 33 
 34     @GetMapping("/get")
 35     public String get() {
 36         String url = "http://localhost:8080/test/getApi";
 37         ResponseEntity<String> responseEntity = restTemplate.getForEntity(url, String.class);
 38         String body = responseEntity.getBody();
 39         HttpStatus statusCode = responseEntity.getStatusCode();
 40         int statusCodeValue = responseEntity.getStatusCodeValue();
 41         HttpHeaders headers = responseEntity.getHeaders();
 42         StringBuilder result = new StringBuilder();
 43         result.append("responseEntity.getBody()：").append(body).append("<hr>")
 44                 .append("responseEntity.getStatusCode()：").append(statusCode).append("<hr>")
 45                 .append("responseEntity.getStatusCodeValue()：").append(statusCodeValue).append("<hr>")
 46                 .append("responseEntity.getHeaders()：").append(headers).append("<hr>");
 47         return result.toString();
 48     }
 49 
 50     @GetMapping("/get1")
 51     public String get1() {
 52         String param = "测试啊真的";
 53         String url = "http://localhost:8080/test/getApi1?param={1}";
 54         JSONObject json = restTemplate.getForEntity(url, JSONObject.class, param).getBody();
 55         return json.toJSONString();
 56     }
 57 
 58     @GetMapping("/get2")
 59     public String get2() {
 60         String param = "测试啊真的";
 61         JSONObject getData = new JSONObject();
 62         getData.put("param", param);
 63         String url = "http://localhost:8080/test/getApi1?param={param}";
 64         JSONObject json = restTemplate.getForEntity(url, JSONObject.class, getData).getBody();
 65         return json.toJSONString();
 66     }
 67 
 68     @GetMapping("/get3")
 69     public String get3() {
 70         UriComponents uriComponents =
 71                 UriComponentsBuilder.fromUriString("http://localhost:8080/test/getApi1?param={name}")
 72                         .build()
 73                         .expand("测试啊真的")
 74                         .encode();
 75         URI uri = uriComponents.toUri();
 76         ResponseEntity<String> responseEntity = restTemplate.getForEntity(uri, String.class);
 77         return responseEntity.getBody();
 78     }
 79 
 80     @GetMapping("/getApi")
 81     public Object getApi() {
 82         JSONObject json = new JSONObject();
 83         json.put("descp", "this is spring rest template sample");
 84         return json;
 85     }
 86 
 87     @GetMapping("/getApi1")
 88     public Object genJson(@RequestParam String param) {
 89         logger.info("==========================" + param);
 90         JSONObject json = new JSONObject();
 91         json.put("descp", "this is spring rest template sample");
 92         return json;
 93     }
 94 
 95     /**********    HTTP POST method   **************/
 96 
 97     /**
 98      * @Author Q_先生
 99      * 第一种：postForEntity
100      * 第二种：postForObject
101      * 如果你只关注，返回的消息体，可以直接使用postForObject。用法和getForObject一致。
102      * 第三种：postForLocation
103      * postForLocation也是提交新资源，提交成功之后，返回新资源的URI，postForLocation的参数和前面两种的参数基本一致，
104      * 只不过该方法的返回值为Uri，这个只需要服务提供者返回一个Uri即可，该Uri表示新资源的位置。
105      **/
106     @PostMapping("/postApi")
107     public UserInfo iAmPostApi(@RequestBody UserInfo userInfo) {
108         logger.info("username==================" + userInfo.getUserName());
109         userInfo.setId(RandomUtils.nextInt(1, 100));
110         return userInfo;
111     }
112 
113     @PostMapping("/post")
114     public Object testPost() {
115         UserInfo userInfo = new UserInfo();
116         userInfo.setUserName("楚子航");
117         String url = "http://localhost:8080/test/postApi";
118         ResponseEntity<UserInfo> responseEntity = restTemplate.postForEntity(url, userInfo, UserInfo.class);
119         return responseEntity.getBody();
120     }
121 
122     /**********    HTTP PUT method   没有具体实现  **************/
123 
124     @RequestMapping("/put")
125     public void put() {
126         UserInfo userInfo = new UserInfo();
127         userInfo.setUserName("路明非");
128         restTemplate.put("http://localhost:8080/test/postApi1/{1}", userInfo, 99);
129     }
130 
131     /**********    HTTP DELETE method   没有具体实现  **************/
132 
133     @RequestMapping("/delete")
134     public void delete() {
135         restTemplate.delete("http://localhost:8080/test/postApi2/{1}", 100);
136     }
137 
138 }