hyzp_ybqx-Commit038：已经解决LED数据为空时，报错终止的问题

lib/components/dioFun.dart

@@ -218,9 +218,23 @@ Future getLedXsxxGetData({@required int id, @required String theSbgllx}) async {
     print('map = ${map}');
     Response response = await dio.post(mapHyshlx[theSbgllx]['apiItem'], data: map);
     printWrapped('response = ${response.toString()}');
+    // [log] response = {"ret":200,"data":false,"msg":""}
 
     if (response.statusCode == 200) {
       Map _mapGetSbglGetDataRet = await getMapFromJson(response.data);
+      // 避免 response = {"ret":200,"data":false,"msg":""} 时，报错终止
+      if (false == _mapGetSbglGetDataRet['data']) {
+        _mapGetSbglGetDataRet['data'] = {
+          "id": 1,
+          "dwip": "",
+          "xsnr": "",
+          "xsts": 0, //显示抓拍到的多少条违章记录
+          "stime": "",
+          "etime": "",
+          "addtime": "",
+          "updatetime": ""
+        };
+      }
       _mapGetSbglGetData = _mapGetSbglGetDataRet['data'];
 
       printWrapped('_mapGetSbglGetData[\'xsts\'] = ${_mapGetSbglGetData['xsts']}');

lib/pages/Works/LED_XSXX/led_xsxx_content.dart

@@ -90,9 +90,9 @@ class _LedXsxxPageState extends State<LedXsxxContent> {
     //    "dwip": "172.16.3.2",
     //    "dwmc": "宜飞路",
     //    "dwbh": 2,
-    //    "dwinfo": "宜宾市翠屏南收费站宜飞路入城方向",
+    //    "dwinfo": "宜宾南收费站宜飞路入城方向",
     //    "dwzb": "104.589904|28.787078",
-    //    "dwms": "宜宾市翠屏南收费站宜飞路入城方向，识别屏山、菜坝入城排放黑烟车辆"
+    //    "dwms": "宜宾南收费站宜飞路入城方向，识别屏山、菜坝入城排放黑烟车辆"
     //},];
 
     _widthLeft = _screenWidth / 2.6;
@@ -144,7 +144,7 @@ class _LedXsxxPageState extends State<LedXsxxContent> {
   Map _mapGetLedXsxxGetData = {
     "id": 2,
     "dwip": "172.16.3.2",
-    "xsnr": "绿水青山就是金山银山     宜宾市翠屏生态环境局宣。",
+    "xsnr": "绿水青山就是金山银山     宜宾市生态环境局宣。",
     "xsts": 0, //显示抓拍到的多少条违章记录
     "stime": "07:00",
     "etime": "23:00",
@@ -156,11 +156,11 @@ class _LedXsxxPageState extends State<LedXsxxContent> {
   // 全部
   // 1   '江北振兴大道',
   // 2   '宜飞路',
-  // 3   '宜宾市翠屏南收费站',
+  // 3   '宜宾南收费站',
   // 4   '一曼路',
   // 5   '柏溪收费站',
   // 6   '七星路万达广场',
-  // 7   '宜宾市翠屏财政局',
+  // 7   '宜宾财政局',
   // 8   '宜威路南广镇',
   // 9   '宜长路',
   // 10  '宜南快速通道',
@@ -173,11 +173,11 @@ class _LedXsxxPageState extends State<LedXsxxContent> {
     // '全部',
     // '1、江北振兴大道',
     // '2、宜飞路',
-    // '3、宜宾市翠屏南收费站',
+    // '3、宜宾南收费站',
     // '4、一曼路',
     // '5、柏溪收费站',
     // '6、七星路万达广场',
-    // '7、宜宾市翠屏财政局',
+    // '7、宜宾财政局',
     // '8、宜威路南广镇',
     // '9、宜长路',
     // '10、宜南快速通道',
@@ -188,15 +188,15 @@ class _LedXsxxPageState extends State<LedXsxxContent> {
 
   String _selectedValue = '不显示';
   int _xsts = 0;
-  String _startTime = '07:00';
+  String _startTime = '';
-  String _endTime = '23:00';
+  String _endTime = '';
-  String _ledMessage = '绿水青山就是金山银山     宜宾市翠屏生态环境局宣。';
+  String _ledMessage = '';
 
   //App.Car_Led.Get接口获取的记录数据结构（比App.Car_Led.GetList接口获取的丰富）
   // Map _mapGetLedXsxxGetData = {
   //   "id": 2,
   //   "dwip": "172.16.3.2",
-  //   "xsnr": "绿水青山就是金山银山     宜宾市翠屏生态环境局宣。",
+  //   "xsnr": "绿水青山就是金山银山     宜宾市生态环境局宣。",
   //   "xsts": 0, //显示抓拍到的多少条违章记录
   //   "stime": "07:00",
   //   "etime": "23:00",
@@ -207,13 +207,9 @@ class _LedXsxxPageState extends State<LedXsxxContent> {
   Future getListFlields() async {
     //实时更新_listItems内容
     _listItems = ['全部']; //LED点位名称List，除第一项外，后面都按ID号排列
-    // int len = listDwinfoGetList2.length;
+    int len = listDwinfoGetList2.length;
-    int len = 3; // 先强制设置为3
-    //兴文县的led现在还未到位，只有3、没有1、2，这个设备是目前市区3号点位的，用来测试。安装完成后兴文县一共5个点位
-    // 罗腾-子非鱼: 另外，系统里面的各个表，ID不一定是连续的哈，可能有跳号
     for (int i = 0; i < len; i++) {
-      // _listItems.add('${i + 1}、${listDwinfoGetList2[i]['dwmc']}');
+      _listItems.add('${i + 1}、${listDwinfoGetList2[i]['dwmc']}');
-      _listItems.add('${i + 1}、${listDwinfoGetList2[0]['dwmc']}'); // 设置为
     }
     print('_listItems = $_listItems');
 
@@ -223,7 +219,7 @@ class _LedXsxxPageState extends State<LedXsxxContent> {
     //_mapGetLedXsxxGetData = {
     //         "id": 1,
     //         "dwip": "172.16.3.1",
-    //         "xsnr": "绿水青山就是金山银山     宜宾市翠屏生态环境局宣。",
+    //         "xsnr": "绿水青山就是金山银山     宜宾市生态环境局宣。",
     //         "xsts": 0,
     //         "stime": "07:00",
     //         "etime": "23:00",
@@ -231,10 +227,12 @@ class _LedXsxxPageState extends State<LedXsxxContent> {
     //         "updatetime": "2021-02-03 19:57:55"
     //     };
 
+    if (_mapGetLedXsxxGetData.length > 0) {
       _xsts = _mapGetLedXsxxGetData['xsts'];
       _ledMessage = _mapGetLedXsxxGetData['xsnr'];
       _startTime = _mapGetLedXsxxGetData['stime'];
       _endTime = _mapGetLedXsxxGetData['etime'];
+    }
 
     try {
       // _title =listDwinfoGetList2
@@ -306,22 +304,22 @@ class _LedXsxxPageState extends State<LedXsxxContent> {
           width: 350,
           text: "更新",
           color: Color.fromRGBO(45, 202, 115, 1),
-          // onTop: () {
+          onTop: () {
-          //   printWrapped('_message = ${_ledMessage}');
+            printWrapped('_message = ${_ledMessage}');
-          //   print('_xsts = ${_xsts}');
+            print('_xsts = ${_xsts}');
-          //   print('_startTime = ${_startTime}');
+            print('_startTime = ${_startTime}');
-          //   print('_endTime = ${_endTime}');
+            print('_endTime = ${_endTime}');
-          //
+
-          //   //updateLedData({@required int id, @required String theSbgllx, @required Map map})
+            //updateLedData({@required int id, @required String theSbgllx, @required Map map})
-          //   //_modifyAll = true; //id = -1，处理全部记录
+            //_modifyAll = true; //id = -1，处理全部记录
-          //   updateLedData(id: _modifyAll ? -1 : widget.id, theSbgllx: 'led_update', map: {
+            updateLedData(id: _modifyAll ? -1 : widget.id, theSbgllx: 'led_update', map: {
-          //     'xsnr': _ledMessage,
+              'xsnr': _ledMessage,
-          //     'xsts': _xsts,
+              'xsts': _xsts,
-          //     'stime': _startTime,
+              'stime': _startTime,
-          //     'etime': _endTime,
+              'etime': _endTime,
-          //   });
+            });
-          //   Navigator.pop(context);
+            Navigator.pop(context);
-          // },
+          },
         ),
         JdButton(
           height: 126,
@@ -350,10 +348,8 @@ class _LedXsxxPageState extends State<LedXsxxContent> {
         DropdownItem(
           listItems: _listItems,
           //初始值 initValue 必须是 listItems 中的已有元素
-          // initValue: _listItems[widget.id],
           initValue: _listItems[widget.id],
-          // dropdownEvent: 'SelectLedDwUpdateEvent',
+          dropdownEvent: 'SelectLedDwUpdateEvent',
-          dropdownEvent: '', // 兴文县LED还未到位，暂时禁用'选择点位：'功能
           width: ScreenUtil().setWidth(590),
           height: _widgetHeight,
         ), //SizedBox(width: _marginLeft),
@@ -370,6 +366,7 @@ class _LedXsxxPageState extends State<LedXsxxContent> {
         SizedBox(width: _marginLeft),
         getSizeText('显示违章记录：', width: _titleWidth),
         // Expanded(child: SizedBox.shrink()),
+
         DropdownItem(
           listItems: _listItemsWzjl,
           initValue: getWzjlString(_xsts),
@@ -509,7 +506,7 @@ class _LedXsxxPageState extends State<LedXsxxContent> {
           //     borderSide: BorderSide(color: Colors.grey, width: 0)),
         ),
         controller: TextEditingController.fromValue(TextEditingValue(
-          text: _ledMessage,
+          text: null == _ledMessage ? '' : _ledMessage,
           // 保持光标在最后
           // selection: TextSelection.fromPosition(
           //     TextPosition(affinity: TextAffinity.downstream, offset: _message.length))
@@ -557,11 +554,16 @@ class _LedXsxxPageState extends State<LedXsxxContent> {
           //     borderSide: BorderSide(color: Colors.grey, width: 0)),
         ),
         controller: TextEditingController.fromValue(TextEditingValue(
-          text: (_whichTime == 0 ? _startTime : _endTime),
+          text: (_whichTime == 0
+              ? (null == _startTime ? '' : _startTime)
+              : (null == _endTime ? '' : _endTime)),
           // 保持光标在最后
-          // selection: TextSelection.fromPosition(TextPosition(
+          selection: TextSelection.fromPosition(TextPosition(
-          //     affinity: TextAffinity.downstream,
+              affinity: TextAffinity.downstream,
-          //     offset: (_whichTime == 0 ? _startTime : _endTime).length)),
+              offset: (_whichTime == 0
+                      ? (null == _startTime ? '' : _startTime)
+                      : (null == _endTime ? '' : _endTime))
+                  .length)),
         )),
         enabled: true,
         onChanged: (value) {

lib/pages/tabs/page1_work.dart

@@ -911,7 +911,7 @@ class _Page1_WorksState extends State<Page1_Works>
     int defauld_led_id = 1;
     switch (qxdm) {
       case 511528: // 兴文县
-        defauld_led_id = 3;
+        //defauld_led_id = 3;
         break;
       default:
         break;