hyzp_ybqx-Commit032：已经能够获取区县数据。访问区县后台接口，需要统一添加区县代码参数 map['qxdm'] = qxdm;，否则会报错：

// I/flutter (16869): mapHyshlx[theHyshlx][api] = http://125.64.218.67:9909?s=App.Car_Hyc.GetList
    // I/flutter (16869): map = {page: 1, perpage: 100, sign: ff2b4ea7283c2a2dd86ab665c5fe0f0f, random: 763117, workflow: 1}
    // I/flutter (16869): response = {"ret":400,"data":{},"msg":"非法请求：缺少必要参数qxdm"}

lib/components/dioFun.dart

@@ -1871,11 +1871,18 @@ Future getThePageList(
       map['sblx'] = mapHyshlx[theHyshlx]['sblx'];
     }
 
+    //访问区县后台接口，需要统一添加区县代码参数
+    map['qxdm'] = qxdm;
+
     print('mapHyshlx[theHyshlx][api] = ${mapHyshlx[theHyshlx]['api']}');
     // mapHyshlx[theHyshlx][api] = http://125.64.218.67:9904/?s=App.Car_Hyc.GetList
     print('map = ${map}');
     response = await dio.post(mapHyshlx[theHyshlx]['api'], data: map);
     print('response = ${response.toString()}');
+    // I/flutter (16869): mapHyshlx[theHyshlx][api] = http://125.64.218.67:9909?s=App.Car_Hyc.GetList
+    // I/flutter (16869): map = {page: 1, perpage: 100, sign: ff2b4ea7283c2a2dd86ab665c5fe0f0f, random: 763117, workflow: 1}
+    // I/flutter (16869): response = {"ret":400,"data":{},"msg":"非法请求：缺少必要参数qxdm"}
+
     //I/flutter ( 5232): {"ret":200,"data":{"items":[],"total":0,"page":1,"perpage":10},"msg":""}
     if (response.statusCode == 200) {
       //mapGetWzxxGetListRet = await getMapFromJson(response.data);