RestTemplate 使用收集

1. 传递FastJson

JSONObject result =restTemplate.postForObject(Url, JSONObject, JSONObject.class);

2. 传递DTO(用@RequestBody 接受)

JSONObject result =restTemplate.postForObject(Url,DTO, JSONObject.class);

3. mediaType = application/json

设置 HttpHeaders

JSONObject result =restTemplate.postForObject(Url, formEntity, JSONObject.class);

4. form-data模式(用@RequestParam 接受)

MultiValueMap postParameters =new LinkedMultiValueMap<>();

postParameters.add(key, value);

JSONObject result =restTemplate.postForObject(Url, postParameters, JSONObject.class);