RestTemplate方式post、get请求实例

╰半夏微凉° 2023-02-24 08:36 24阅读 0赞

1、pom.xml引用spring-web

<dependency>  
         <groupId>org.springframework</groupId>  
         <artifactId>spring-web</artifactId>  
         <version>5.0.10.RELEASE</version>  
  </dependency>

2、java代码层面

i、入参包含其他入参，post请求，返回值是dto（单个）

@Autowired  
  RestTemplate restTemplate;

TreeMap<String, Object> mainMap = Maps.newTreeMap();  
  
                        JSONObject queryJsonSearch = new JSONObject();  
                        queryJsonSearch.put("a", a);  
                        JSONObject reqDataJsonSearch = new JSONObject();  
                        reqDataJsonSearch.put("b", b);  
                        queryJsonSearch.put("reqData", reqDataJsonSearch);  
  
                        String postUrl = url;  
                        String objectInfo = "";  
  
                        try \{  
                                objectInfo = restTemplate.postForObject(postUrl, queryJsonSearch, String.class);  
  
                                String data = "";  
  
                                if (!"".equals(objectInfo)) \{  
                                        JSONObject jsonObject = JSON.parseObject(objectInfo);  
                                        String code = ParamBasicVolidation.paramConvertNull(jsonObject.getString("code"));  
  
                                        if ("0".equals(code)) \{  
                                                data = ParamBasicVolidation.paramConvertNull(jsonObject.getString("data"));  
  
                                                if (!"".equals(data)) \{  
                                                        mainMap = JSONObject.parseObject(data, TreeMap.class);  
                                                        String c= ParamBasicVolidation.paramConvertNull(mainMap.get("c"));  
                                                        String d= ParamBasicVolidation.paramConvertNull(mainMap.get("d"));              
                                                \}  
                                        \}  
                                \}  
                        \} catch (Exception e) \{  
                               
                        \}

ii、入参包含其他入参，get请求，返回值是dto（单个）

String objectInfo = "";

objectInfo = restTemplate.getForObject(amountUrl, String.class);  
  
                                        if (!"".equals(objectInfo)) \{  
                                                JSONObject jsonObject = JSON.parseObject(objectInfo);  
                                                String code = ParamBasicVolidation.paramConvertNull(jsonObject.getString("code"));  
  
                                                if ("100000".equals(code)) \{  
                                                        String date = ParamBasicVolidation.paramConvertNull(jsonObject.getString("data"));  
                                                \}  
                                        \}

iii、入参包含其他入参，post请求，返回值是List<dto>（多个dto）

JSONObject queryJsonSearch = new JSONObject();  
   queryJsonSearch.put("a", a);  
  JSONObject reqDataJsonSearch = new JSONObject();  
  reqDataJsonSearch.put("b", b);  
  queryJsonSearch.put("reqData", reqDataJsonSearch);  
  
   String postUrl = url;  
  String objectInfo = "";

objectInfo = restTemplate.postForObject(postUrl, queryJsonSearch, String.class);

if (!"".equals(objectInfo)) \{  
                                JSONObject jsonObject = JSON.parseObject(objectInfo);  
                                String code = ParamBasicVolidation.paramConvertNull(jsonObject.getString("code"));  
  
                                if ("0".equals(code)) \{  
                                        data = ParamBasicVolidation.paramConvertNull(jsonObject.getString("data"));  
                                        JSONArray jsonArray = JSONArray.parseArray(data);  
  
                                        if (jsonArray.size() > 0) \{  
                                                for (int i = 0; i < jsonArray.size(); i++) \{  
                                                        JSONObject infoDetail = jsonArray.getJSONObject(i);  
                                                        String c= ParamBasicVolidation.paramConvertNull(infoDetail.get("c"));  
                                                        String d= ParamBasicVolidation.paramConvertNull(infoDetail.get("d"));  
                                                \}  
                                        \}  
                                \}  
                        \}  
                \}