（笔记）微信开发笔记之微信授权

准备工作 申请一个微信测试号 下载一个内网穿透软件用于获取域名 我用的多 wenat软件

诺依的开源项目

微信授权接口配置位置
测试号管理的接口配置中 此处使用内网穿透转换的域名

/**
 * @desc:  门户入口
 * @author: cao_wencao
 * @date: 2019-09-02 17:06
 */
@Slf4j
@AllArgsConstructor
@RestController
@RequestMapping("/**/****/{appid}")
public class WxPortalController {
    private final WxMpService wxService;
    private final WxMpMessageRouter messageRouter;
    @Autowired
    private WxLoginService wxLoginService;
    @GetMapping(produces = "text/plain;charset=utf-8")
    public String authGet(@PathVariable String appid,
                          @RequestParam(name = "signature", required = false) String signature,
                          @RequestParam(name = "timestamp", required = false) String timestamp,
                          @RequestParam(name = "nonce", required = false) String nonce,
                          @RequestParam(name = "echostr", required = false) String echostr) {

        log.info("\n接收到来自微信服务器的认证消息：[{}, {}, {}, {}]", signature,
                timestamp, nonce, echostr);
        if (StringUtils.isAnyBlank(signature, timestamp, nonce, echostr)) {
            throw new IllegalArgumentException("请求参数非法，请核实!");
        }

        if (!this.wxService.switchover(appid)) {
            throw new IllegalArgumentException(String.format("未找到对应appid=[%s]的配置，请核实！", appid));
        }

        if (wxService.checkSignature(timestamp, nonce, signature)) {
            return echostr;
        }

        return "非法请求";
    }

    @PostMapping(produces = "application/xml; charset=UTF-8")
    public String post(@PathVariable String appid,
                       @RequestBody String requestBody,
                       @RequestParam("signature") String signature,
                       @RequestParam("timestamp") String timestamp,
                       @RequestParam("nonce") String nonce,
                       @RequestParam("openid") String openid,
                       @RequestParam(name = "encrypt_type", required = false) String encType,
                       @RequestParam(name = "msg_signature", required = false) String msgSignature) {
        log.info("\n接收微信请求：[openid=[{}], [signature=[{}], encType=[{}], msgSignature=[{}],"
                        + " timestamp=[{}], nonce=[{}], requestBody=[\n{}\n] ",
                openid, signature, encType, msgSignature, timestamp, nonce, requestBody);

        if (!this.wxService.switchover(appid)) {
            throw new IllegalArgumentException(String.format("未找到对应appid=[%s]的配置，请核实！", appid));
        }

        if (!wxService.checkSignature(timestamp, nonce, signature)) {
            throw new IllegalArgumentException("非法请求，可能属于伪造的请求！");
        }
        String out = null;
        if (encType == null) {
            // 明文传输的消息
            WxMpXmlMessage inMessage = WxMpXmlMessage.fromXml(requestBody);
            //路由去跳转微信事件
            WxMpXmlOutMessage outMessage = this.route(inMessage);	
            //没有微信事件
            if (outMessage == null) {
                return "";
            }
            out = outMessage.toXml();
        } else if ("aes".equalsIgnoreCase(encType)) {
            // aes加密的消息
            WxMpXmlMessage inMessage = WxMpXmlMessage.fromEncryptedXml(requestBody, wxService.getWxMpConfigStorage(),
                    timestamp, nonce, msgSignature);
            log.debug("\n消息解密后内容为：\n{} ", inMessage.toString());
            WxMpXmlOutMessage outMessage = this.route(inMessage);
            if (outMessage == null) {
                return "";
            }
            out = outMessage.toEncryptedXml(wxService.getWxMpConfigStorage());
        }

        log.debug("\n组装回复信息：{}", out);
        return out;
    }

    private WxMpXmlOutMessage route(WxMpXmlMessage message) {
        try {
            return this.messageRouter.route(message);
        } catch (Exception e) {
            log.error("路由消息时出现异常！", e);
        }

        return null;
    }

}




//路由类
/**
 * @desc:  路由配置
 * @author: cao_wencao
 * @date: 2019-09-02 17:06
 */

@AllArgsConstructor
@Configuration
@EnableConfigurationProperties(WxMpProperties.class)
public class WxMpConfiguration {
    private final LogHandler logHandler;
    private final NullHandler nullHandler;
    private final KfSessionHandler kfSessionHandler;
    private final StoreCheckNotifyHandler storeCheckNotifyHandler;
    private final LocationHandler locationHandler;
    private final MenuHandler menuHandler;
    private final MsgHandler msgHandler;
    private final UnsubscribeHandler unsubscribeHandler;
    private final SubscribeHandler subscribeHandler;
    private final ScanHandler scanHandler;
    private final WxMpProperties properties;

    @Bean
    public WxMpService wxMpService() {
    
        final List<WxMpProperties.MpConfig> configs = this.properties.getConfigs();
        if (configs == null) {
            throw new RuntimeException("大哥，拜托先看下项目首页的说明（readme文件），添加下相关配置，注意别配错了！");
        }

        WxMpService service = new WxMpServiceImpl();
        service.setMultiConfigStorages(configs
                .stream().map(a -> {
                    WxMpDefaultConfigImpl configStorage = new WxMpDefaultConfigImpl();
                    configStorage.setAppId(a.getAppId());
                    configStorage.setSecret(a.getSecret());
                    configStorage.setToken(a.getToken());
                    configStorage.setAesKey(a.getAesKey());
                    return configStorage;
                }).collect(Collectors.toMap(WxMpDefaultConfigImpl::getAppId, a -> a, (o, n) -> o)));
        System.out.println(configs.get(0).getAppId()+"===============================");
        return service;
    }

    @Bean
    public WxMpMessageRouter messageRouter(WxMpService wxMpService) {
        final WxMpMessageRouter newRouter = new WxMpMessageRouter(wxMpService);

        // 记录所有事件的日志 （异步执行）
        newRouter.rule().handler(this.logHandler).next();

        // 接收客服会话管理事件
        newRouter.rule().async(false).msgType(EVENT).event(KF_CREATE_SESSION)
                .handler(this.kfSessionHandler).end();
        newRouter.rule().async(false).msgType(EVENT).event(KF_CLOSE_SESSION)
                .handler(this.kfSessionHandler).end();
        newRouter.rule().async(false).msgType(EVENT).event(KF_SWITCH_SESSION)
                .handler(this.kfSessionHandler).end();

        // 门店审核事件
        newRouter.rule().async(false).msgType(EVENT).event(POI_CHECK_NOTIFY).handler(this.storeCheckNotifyHandler).end();

        // 自定义菜单事件
        newRouter.rule().async(false).msgType(EVENT).event(CLICK).handler(this.menuHandler).end();

        // 点击菜单连接事件
        newRouter.rule().async(false).msgType(EVENT).event(VIEW).handler(this.nullHandler).end();

        // 关注事件
        newRouter.rule().async(false).msgType(EVENT).event(SUBSCRIBE).handler(this.subscribeHandler).end();

        // 取消关注事件
        newRouter.rule().async(false).msgType(EVENT).event(UNSUBSCRIBE).handler(this.unsubscribeHandler).end();

        // 上报地理位置事件
        newRouter.rule().async(false).msgType(EVENT).event(EventType.LOCATION).handler(this.locationHandler).end();

        // 接收地理位置消息
        newRouter.rule().async(false).msgType(XmlMsgType.LOCATION).handler(this.locationHandler).end();

        // 扫码事件
        newRouter.rule().async(false).msgType(EVENT).event(EventType.SCAN).handler(this.scanHandler).end();

        // 默认
        newRouter.rule().async(false).handler(this.msgHandler).end();

        return newRouter;
    }

}




/**
 * @desc: yml配置映射成实体类    会将yml文件对应参数映射入当前类
 * @author: cao_wencao
 * @date: 2019-09-02 17:08
 */
@Data
@ConfigurationProperties(prefix = "wx.mp")
public class WxMpProperties {
    private List<MpConfig> configs;

    @Data
    public static class MpConfig {
        /**
         * 设置微信公众号的appid
         */
        private String appId;

        /**
         * 设置微信公众号的app secret
         */
        private String secret;

        /**
         * 设置微信公众号的token
         */
        private String token;

        /**
         * 设置微信公众号的EncodingAESKey
         */
        private String aesKey;
    }

    @Override
    public String toString() {
        return JsonUtils.toJson(this);
    }




//下面yml文件

logging:
  level:
    org.springframework.web: INFO
    com.github.binarywang.demo.wx.mp: DEBUG
    me.chanjar.weixin: DEBUG
wx:
  mp:
    configs:
    - appId:  #（一个公众号的appid）
      secret: #（公众号的appsecret）
      token:    # （接口配置里的Token值）
      aesKey: 111  # （接口配置里的EncodingAESKey值）
    - appId: 2222 # （另一个公众号的appid，以下同上）
      secret: 1111
      token: 111
      aesKey: 111
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