[门禁端&后端&小程序] 完成门禁端；完成小程序扫码跳转页面；完成后端获取不限制的小程序场景码接口

backend/microservice-provider-access-8002/src/main/java/com/cxyxiaomo/epp/access/controller/WeChatTokenController.java

@@ -1,11 +1,15 @@
 package com.cxyxiaomo.epp.access.controller;
 
+import com.cxyxiaomo.epp.access.pojo.UnlimitedQRCodeParam;
 import com.cxyxiaomo.epp.access.service.WeChatTokenServiceImpl;
 import com.cxyxiaomo.epp.common.response.Res;
+import lombok.SneakyThrows;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.MediaType;
 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.ResponseBody;
 
 @Controller
@@ -21,4 +25,24 @@ public class WeChatTokenController {
         String accessToken = weChatTokenService.getAccessToken();
         return Res.success(accessToken);
     }
+
+    @GetMapping(value = "/getUnlimitedQRCode", produces = MediaType.IMAGE_PNG_VALUE)
+    @ResponseBody
+    @SneakyThrows
+    public byte[] getUnlimitedQRCode(@RequestParam(value = "envVersion", required = false, defaultValue = "develop") String envVersion,
+                                     @RequestParam(value = "page", required = false, defaultValue = "pages/index/index") String page,
+                                     @RequestParam(value = "autoColor", required = false, defaultValue = "false") Boolean autoColor,
+                                     @RequestParam(value = "isHyaline", required = false, defaultValue = "false") Boolean isHyaline,
+                                     @RequestParam(value = "scene", required = true) String scene) {
+        String accessToken = weChatTokenService.getAccessToken();
+        UnlimitedQRCodeParam unlimitedQRCodeParam = new UnlimitedQRCodeParam();
+        unlimitedQRCodeParam.setScene(scene);
+        unlimitedQRCodeParam.setPage(page);
+        unlimitedQRCodeParam.setEnvVersion(envVersion);
+        unlimitedQRCodeParam.setAutoColor(autoColor);
+        unlimitedQRCodeParam.setIsHyaline(isHyaline);
+        okhttp3.ResponseBody responseBody = weChatTokenService.getUnlimitedQRCodeFromApi(accessToken, unlimitedQRCodeParam);
+
+        return responseBody.bytes();
+    }
 }

backend/microservice-provider-access-8002/src/main/java/com/cxyxiaomo/epp/access/pojo/UnlimitedQRCodeParam.java

@@ -0,0 +1,35 @@
+package com.cxyxiaomo.epp.access.pojo;
+
+import lombok.Data;
+import lombok.NoArgsConstructor;
+import lombok.experimental.Accessors;
+
+import java.io.Serializable;
+
+@Data
+@NoArgsConstructor
+@Accessors(chain = true) // 链式写法
+public class UnlimitedQRCodeParam implements Serializable {
+
+    // 最大32个可见字符，只支持数字，大小写英文以及部分特殊字符：!#$&'()*+,/:;=?@-._~
+    private String scene;
+
+    // 页面 page
+    private String page = "pages/index/index";
+
+    // 检查 page 是否存在
+    private Boolean checkPath = true;
+
+    // 要打开的小程序版本
+    // 正式版为 "release"，体验版为 "trial"，开发版为 "develop"。默认是正式版。
+    private String envVersion;
+
+    // 二维码的宽度，单位 px，最小 280px，最大 1280px
+    private Integer width = 430;
+
+    // 自动配置线条颜色，如果颜色依然是黑色，则说明不建议配置主色调，默认 false
+    private Boolean autoColor;
+
+    // 是否需要透明底色，为 true 时，生成透明底色的小程序，默认是false
+    private Boolean isHyaline;
+}

backend/microservice-provider-access-8002/src/main/java/com/cxyxiaomo/epp/access/service/WeChatTokenServiceImpl.java

@@ -1,14 +1,20 @@
 package com.cxyxiaomo.epp.access.service;
 
+import com.alibaba.fastjson2.JSON;
 import com.alibaba.fastjson2.JSONObject;
 import com.cxyxiaomo.epp.access.dao.AccessDao;
+import com.cxyxiaomo.epp.access.pojo.UnlimitedQRCodeParam;
 import com.cxyxiaomo.epp.access.utils.RestUtil;
 import com.cxyxiaomo.epp.common.pojo.Setting;
+import lombok.SneakyThrows;
+import okhttp3.*;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.HttpHeaders;
 import org.springframework.stereotype.Service;
 
 import java.time.LocalDateTime;
+import java.util.HashMap;
+import java.util.Map;
 
 @Service
 public class WeChatTokenServiceImpl implements WeChatTokenService {
@@ -20,8 +26,12 @@ public class WeChatTokenServiceImpl implements WeChatTokenService {
     final String SETTING_KEY = "wechat_access_token";
 
     // 小程序信息
-    final String APPID = "wxa70348746d2b562f";
-    final String APPSECRET = "7da57703136fefb0584a5a6ab1aca152";
+    // 小程序测试号
+    // final String APPID = "wxa70348746d2b562f";
+    // final String APPSECRET = "7da57703136fefb0584a5a6ab1aca152";
+    // 小程序个人号
+    final String APPID = "wx332e2e578f09873a";
+    final String APPSECRET = "ebcd79d303e37983d691fe1dfdfb8818";
 
     @Override
     public String getAccessToken() {
@@ -74,11 +84,35 @@ public class WeChatTokenServiceImpl implements WeChatTokenService {
         String jsonStr = RestUtil.doGetRequest(url, headers);
         return JSONObject.parseObject(jsonStr);
     }
+
+    @SneakyThrows
+    public ResponseBody getUnlimitedQRCodeFromApi(String accessToken, UnlimitedQRCodeParam unlimitedQRCodeParam) {
+        // refer: https://developers.weixin.qq.com/miniprogram/dev/OpenApiDoc/qrcode-link/qr-code/getUnlimitedQRCode.html
+        String url = String.format("https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token=%s", accessToken);
+
+        //添加参数
+        Map<String, Object> params = new HashMap<>();
+        params.put("scene", unlimitedQRCodeParam.getScene());
+        params.put("page", unlimitedQRCodeParam.getPage());
+        params.put("check_path", unlimitedQRCodeParam.getCheckPath());
+        params.put("env_version", unlimitedQRCodeParam.getEnvVersion());
+        params.put("width", unlimitedQRCodeParam.getWidth());
+        params.put("auto_color",unlimitedQRCodeParam.getAutoColor());
+        params.put("is_hyaline",unlimitedQRCodeParam.getIsHyaline());
+        String paramsString = JSON.toJSONString(params);
+
+        OkHttpClient okHttpClient = new OkHttpClient();
+        Request request = new Request.Builder()
+                .addHeader("content-type", "application/json")
+                .url(url)
+                .post(RequestBody.create(paramsString, MediaType.parse("application/json; charset=utf-8")))
+                .build();
+        Response response = okHttpClient.newCall(request).execute();
+        // String result = response.body()response.body().string();
+
+        // System.out.println("headers: " + response.headers());
+        // System.out.println("body: " + response.body());
+        System.out.println("paramsString: " + paramsString);
+        return response.body();
+    }
 }
-/*
-{
-    "success": true,
-    "msg": "操作成功",
-    "data": "{\"access_token\":\"63_ez5i6A4ib1-kwi-g6n_3LLqdthenpZGIHTs1tXXcYqia8mnntJlTc_Mkl8CtuiXx0oplHbEVXrkVycvNwkyXhbA2Yj5K1kCan-AjOjH_-zaleYfg-S3zDWO9uoUQWVbACALRQ\",\"expires_in\":7200}"
-}
-*/