springboot 公众号实现获取用户openid 基于SDK

scope为snsapi_base：
https://open.weixin.qq.com/connect/oauth2/authorize?appid=你的appid&redirect_uri=你的域名加回调地址(https://你的域名/回调地址)&response_type=code&scope=snsapi_base&state=123#wechat_redirect
scope为snsapi_userinfo：
https://open.weixin.qq.com/connect/oauth2/authorize?appid=你的appid&redirect_uri=你的域名加回调地址(https://你的域名/回调地址)&response_type=code&scope=snsapi_userinfo&state=123#wechat_redirect

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maven：
<dependency>
            <groupId>com.github.binarywang</groupId>
            <artifactId>weixin-java-mp</artifactId>
            <version>4.4.0</version>
        </dependency>
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wx mp config:
@Configuration
@RequiredArgsConstructor
public class WxMpServiceConfig {
    
 
    @Bean
    public WxMpService wxMpService() {
        WxMpService wxMpService = new WxMpServiceImpl();
        wxMpService.setWxMpConfigStorage(wxMpConfigStorage());
        return wxMpService;
    }
 
    @Bean
    public WxMpConfigStorage wxMpConfigStorage() {
        WxMpDefaultConfigImpl wxMpDefaultConfig = new WxMpDefaultConfigImpl();
        wxMpDefaultConfig.setAppId(你的appid);
        wxMpDefaultConfig.setSecret(你的secret);
       
        return wxMpDefaultConfig;
    }
 
}
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业务代码：
import me.chanjar.weixin.common.bean.WxOAuth2UserInfo;
import me.chanjar.weixin.common.bean.oauth2.WxOAuth2AccessToken;
import me.chanjar.weixin.common.service.WxOAuth2Service;
import me.chanjar.weixin.mp.api.WxMpService;
 
@RestController
@RequestMapping("/wechat")
@CrossOrigin
@RequiredArgsConstructor
public class WxMpOauthController {
private final WxMpService wxMpService;
 
@SneakyThrows(Exception.class)//简化try catch
    @GetMapping("/auth")
    @ApiOperation("回调-授权登录同意")
    public WxOAuth2UserInfo callback(@RequestParam("code") String code) {
        WxOAuth2Service oAuth2Service = this.wxMpService.switchoverTo(appid).getOAuth2Service();
        WxOAuth2AccessToken wxOAuth2AccessToken = oAuth2Service.getAccessToken(code);
        String accessToken = wxOAuth2AccessToken.getAccessToken();
        String openId = wxOAuth2AccessToken.getOpenId();
        log.info("[微信公众号] 授权回调 accessToken：[{}]", accessToken);
        log.info("[微信公众号] 授权回调 openId：[{}]", openId);
 
        WxOAuth2UserInfo userInfo = oAuth2Service.getUserInfo(wxOAuth2AccessToken, "zh_CN");
        log.info("[微信公众号] 授权回调 用户信息：[{}]", JSONUtil.toJsonStr(userInfo));
        return userInfo;
    }
}