微信二维码OCR

common/src/main/java/com/kym/common/enums/WxApi.java

@@ -11,12 +11,14 @@ import org.springframework.web.bind.annotation.RequestMethod;
  */
 @AllArgsConstructor
 @Getter
-public enum WxApi implements Api{
+public enum WxApi implements Api {
 
     // 微信小程序登录
     WX_MP_LOGIN("https://api.weixin.qq.com/sns/jscode2session?grant_type=authorization_code", RequestMethod.GET),
     WX_MP_GET_PHONE("https://api.weixin.qq.com/wxa/business/getuserphonenumber?access_token=ACCESS_TOKEN", RequestMethod.POST),
-    WX_GET_ACCESS_TOKEN("https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential", RequestMethod.GET);
+    WX_GET_ACCESS_TOKEN("https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential", RequestMethod.GET),
+    WX_QR_CODE("https://api.weixin.qq.com/cv/img/qrcode?access_token=ACCESS_TOKEN", RequestMethod.POST);
+
 
     private final String api;
     private final RequestMethod requestMethod;

common/src/main/java/com/kym/common/utils/HttpUtil.java

@@ -80,7 +80,7 @@ public class HttpUtil {
         return synchronizedCall(request);
     }
 
-    public static <T> T post(String url, Map params, Class<T> clz) {
+    public static <T> T post(String url, Map<String,Object> params, Class<T> clz) {
 
         RequestBody requestBody = RequestBody.create(JSON, JSONObject.toJSONString(params));
         Request request = new Request.Builder()

miniapp/src/main/java/com/kym/miniapp/controller/ChargerController.java

@@ -4,6 +4,9 @@ import cn.dev33.satoken.stp.StpUtil;
 import com.alibaba.fastjson2.JSONObject;
 import com.kym.common.R;
 import com.kym.common.annotation.ApiLog;
+import com.kym.common.config.WxConfig;
+import com.kym.common.enums.WxApi;
+import com.kym.common.utils.HttpUtil;
 import com.kym.entity.admin.vo.StationVo;
 import com.kym.entity.enplus.response.EnResponse;
 import com.kym.entity.miniapp.ChargeOrder;
@@ -18,6 +21,7 @@ import org.springframework.web.bind.annotation.*;
 
 import java.time.LocalDateTime;
 import java.util.List;
+import java.util.Map;
 
 
 /**
@@ -40,12 +44,16 @@ public class ChargerController {
 
     private final EnNotifyService enNotifyService;
 
-    public ChargerController(StationService stationService, EnPlusService enPlusService, ChargeService chargeService, ChargeOrderService chargeOrderService, EnNotifyService enNotifyService) {
+    private final WxConfig wxConfig;
+
+
+    public ChargerController(StationService stationService, EnPlusService enPlusService, ChargeService chargeService, ChargeOrderService chargeOrderService, EnNotifyService enNotifyService, WxConfig wxConfig) {
         this.stationService = stationService;
         this.enPlusService = enPlusService;
         this.chargeService = chargeService;
         this.chargeOrderService = chargeOrderService;
         this.enNotifyService = enNotifyService;
+        this.wxConfig = wxConfig;
     }
 
     /**
@@ -93,7 +101,7 @@ public class ChargerController {
 
     @ApiLog("取消预约充电")
     @GetMapping("/cancelBooking")
-    R<?> cancelBooking(){
+    R<?> cancelBooking() {
         chargeService.cancelBooking();
         return R.success();
     }
@@ -150,6 +158,22 @@ public class ChargerController {
         return R.success(chargeOrderService.orderDetailForApp(startChargeSeq));
     }
 
+    /**
+     * 图片二维码识别
+     *
+     * @param imgUrl
+     * @return
+     */
+    @GetMapping("/qrCode")
+    R<?> qrCode(String imgUrl) {
+        var accessTokenJson = HttpUtil.getJson(WxApi.WX_GET_ACCESS_TOKEN.getApi(), Map.of("appid", wxConfig.getAppid(), "secret", wxConfig.getSecret()));
+        var accessToken = accessTokenJson.getString("access_token");
+        // https://developers.weixin.qq.com/miniprogram/dev/OpenApiDoc/img-ocr/img/scanQRCode.html
+        // 问候微信API文档撰写祖宗十八代，这里img_url也是url传参！！！
+        var res = HttpUtil.post(WxApi.WX_QR_CODE.getApi().replace("ACCESS_TOKEN", accessToken).concat("&img_url=%s".formatted(imgUrl)), Map.of(), JSONObject.class);
+        return R.success(res);
+    }
+
     //====================================================以上是请求EN+接口==============================================================
 
     // 【我们请求en+时，数据都要加密验签；en+推送给我们的数据，需要验签解密，响应不需要加密。】