微信小程序授权(java)-蒲公英云

微信小程序授权(java)

引入jar包
<dependency>
   <groupId>com.github.binarywang</groupId>
   <artifactId>weixin-java-miniapp</artifactId>
   <version>3.8.0</version>
</dependency>

对应的api文档：

http://binary.ac.cn/weixin-java-miniapp-javadoc/cn/binarywang/wx/miniapp/api/impl/WxMaAnalysisServiceImpl.html

授权核心

public AuthorizeResponse authorize( WxUserRegisterRequest registerRequest) {
        try {
            WxMaJscode2SessionResult session = Wxconfig.wxService.getUserService().getSessionInfo(registerRequest.getCode());
            String accessToken = Wxconfig.wxService.getAccessToken();
            WxMaUserInfo userInfo = Wxconfig.wxService.getUserService().getUserInfo(session.getSessionKey(), registerRequest.getEncryptedData(), registerRequest.getIv());
            AuthorizeResponse authorizeResponse = new AuthorizeResponse()
                    .setOpenid(userInfo.getOpenId())
                    .setUnionid(userInfo.getUnionId())
                    .setAccessToken(accessToken)
                    .setSessionKey(session.getSessionKey());
            return authorizeResponse;
        } catch (WxErrorException e) {
            throw new CloudException(ExceptionConstant.DATD_ERROR);
        }
    }

各类实体

WxUserRegisterRequest

@Data
@Accessors(chain = true)
public class WxUserRegisterRequest {
    private String sessionKey;
    private String encryptedData;
    private String iv;
    private String openid;
    private String unionid;
    private String nickname;
    private String avatar;
    private int gender;
    private String code;
    private String ip;
}

Wxconfig

@Component
public class Wxconfig {
    public static String APPID = "xxx";
    /**
     * 设置微信小程序的Secret
     */
    public static String SECRET = "xxx";
    /**
     * 设置微信小程序消息服务器配置的token
     */
    public static String token;
    /**
     * 设置微信小程序消息服务器配置的EncodingAESKey
     */
    public static String aesKey;
    /**
     * 消息格式，XML或者JSON
     */
    public static String msgDataFormat = "JSON";
    public   static  WxMaService  wxService;
    @PostConstruct
    public  void init(){
       wxService = new WxMaServiceImpl();
        WxMaDefaultConfigImpl config = new WxMaDefaultConfigImpl();
        config.setAppid(Wxconfig.APPID);
        config.setSecret(Wxconfig.SECRET);
        wxService.setWxMaConfig(config);
    }
}
AuthorizeResponse
@Data
@Accessors(chain = true)
public class AuthorizeResponse  {
    private String sessionKey;
    private String openid;
    private String unionid;
    private String accessToken;
}