WeChat authorization login, backend code

@RestController
@AllArgsConstructor
@RequestMapping("/mp")
@Api(value = "首页显示", tags = "查询结果接口")
public class MpController {

	public static final String URL_MP_AUTH = "https://api.weixin.qq.com/sns/jscode2session?appid=%s&secret=%s&js_code=%s&grant_type=authorization_code";

	private final IWechatUserService wechatUserService;
	private final SocialProperties socialProperties;

	/**
	 * 微信授权登录
	 */
	@PostMapping("/login/{code}")
	@ApiOperationSupport(order = 1)
	@ApiOperation(value = "微信授权登录", notes = "微信授权登录")
	public R<WechatUser> login(@PathVariable String code) {
		AuthConfig config = socialProperties.getOauth().get(AuthDefaultSource.WECHAT_MP);
		String url = String.format(URL_MP_AUTH ,config.getClientId() ,config.getClientSecret() ,code);
		ResponseEntity<String> entity = new RestTempla