RestTemplate请求数据

@Controller
@RequestMapping("/template")
public class RestTemplateDemoController {
    @Autowired
    private RestTemplate restTemplate;
    @Value("${host.mall.admin}")
    private String HOST_MALL_ADMIN;

    @ApiOperation("getForEntity url")
    @RequestMapping(value = "/get/{id}", method = RequestMethod.GET)
    @ResponseBody
    public Object getForEntity(@PathVariable Long id) {
        String url = HOST_MALL_ADMIN + "/brand/{id}";
        ResponseEntity<CommonResult> responseEntity = restTemplate.getForEntity(url, CommonResult.class, id);
        return responseEntity.getBody();
    }

    @ApiOperation("getForEntity params")
    @RequestMapping(value = "/get2/{id}", method = RequestMethod.GET)
    @ResponseBody
    public Object getForEntity2(@PathVariable Long id) {
        String url = HOST_MALL_ADMIN + "/brand/{id}";
        Map<String, String> params = new HashMap<>();
        params.put("id", String.valueOf(id));
        ResponseEntity<CommonResult> responseEntity = restTemplate.getForEntity(url, CommonResult.class, params);
        return responseEntity.getBody();
    }

    @ApiOperation("getForEntity Uri")
    @RequestMapping(value = "/get3/{id}", method = RequestMethod.GET)
    @ResponseBody
    public Object getForEntity3(@PathVariable Long id) {
        String url = HOST_MALL_ADMIN + "/brand/{id}";
        UriComponents uriComponents = UriComponentsBuilder.fromUriString(url).build().expand(id).encode();
        ResponseEntity<CommonResult> responseEntity = restTemplate.getForEntity(uriComponents.toUri(), CommonResult.class);
        return responseEntity.getBody();
    }

    @ApiOperation("getForObject url")
    @RequestMapping(value = "/get4/{id}", method = RequestMethod.GET)
    @ResponseBody
    public Object getForObject(@PathVariable Long id) {
        String url = HOST_MALL_ADMIN + "/brand/{id}";
        CommonResult commonResult = restTemplate.getForObject(url, CommonResult.class, id);
        return commonResult;
    }

    @ApiOperation("postForEntity jsonBody")
    @RequestMapping(value = "/post", method = RequestMethod.POST)
    @ResponseBody
    public Object postForEntity(@RequestBody PmsBrand brand) {
        String url = HOST_MALL_ADMIN + "/brand/create";
        ResponseEntity<CommonResult> responseEntity = restTemplate.postForEntity(url, brand, CommonResult.class);
        return responseEntity.getBody();
    }

    @ApiOperation("postForEntity jsonBody")
    @RequestMapping(value = "/post2", method = RequestMethod.POST)
    @ResponseBody
    public Object postForObject(@RequestBody PmsBrand brand) {
        String url = HOST_MALL_ADMIN + "/brand/create";
        CommonResult commonResult = restTemplate.postForObject(url, brand, CommonResult.class);
        return commonResult;
    }

    @ApiOperation("postForEntity form")
    @RequestMapping(value = "/post3", method = RequestMethod.POST)
    @ResponseBody
    public Object postForEntity3(@RequestParam String name) {
        String url = HOST_MALL_ADMIN + "/productAttribute/category/create";
        //设置头信息
        HttpHeaders headers = new HttpHeaders();
        headers.setContentType(MediaType.APPLICATION_FORM_URLENCODED);
        //构造表单参数
        MultiValueMap<String, String> params= new LinkedMultiValueMap<>();
        params.add("name", name);
        HttpEntity<MultiValueMap<String, String>> requestEntity = new HttpEntity<>(params, headers);
        ResponseEntity<CommonResult> responseEntity = restTemplate.postForEntity(url, requestEntity, CommonResult.class);
        return responseEntity.getBody();
    }
}