可变模版

@@ -43,6 +43,8 @@ class _SmsTemplateSettingPageState extends State<SmsTemplateSettingPage> {
 
   String smsSelectValue = '';
 
+  int _cursorPosition = 0;
+
   @override
   void initState() {
     // TODO: implement initState
@@ -146,7 +148,7 @@ class _SmsTemplateSettingPageState extends State<SmsTemplateSettingPage> {
     Map<String, String> params = {
       'sid': Provider.of<UserModel>(context, listen: false).user.sellerid,
       'sms_code': smsSelectValue,
-      'bookinginfo': text,
+      'bookinginfo': text.startsWith('\n') ? text : '\n' + text,
     };
 
     bool success = await marketingCenterProvider
@@ -221,6 +223,10 @@ class _SmsTemplateSettingPageState extends State<SmsTemplateSettingPage> {
     List<Widget> data = [];
     for (var i = 0; i < temData.length; i++) {
       data.add(btnItem(temData[i].temp, temData[i].select, onTap: () {
+        if (!canChange) {
+          //从固定模版变更过来的,清空文本框内容
+          controller.text = '';
+        }
         canChange = true;
         marketingCenterProvider.saiYouYunchangedData.forEach((element) {
           element.select = false;
@@ -229,7 +235,7 @@ class _SmsTemplateSettingPageState extends State<SmsTemplateSettingPage> {
         contentChangeStart = temData[i].content.templateParam;
         temData[i].select = true;
         smsSelectValue = temData[i].temp;
-        controller.text = '';
+
         // controller.text = temData[i].content.templateCode;
         marketingCenterProvider.saiYouYunFixedData.forEach((element) {
           element.select = false;
@@ -250,13 +256,26 @@ class _SmsTemplateSettingPageState extends State<SmsTemplateSettingPage> {
           onTap: () {
         marketingCenterProvider.smsChangeFieldData[i].times++;
         print(controller.text);
-        controller.text += marketingCenterProvider.smsChangeFieldData[i].show;
-        // setState(() {
-        //   contentChangeStart +=
-        //       marketingCenterProvider.smsChangeFieldData[i].name + '\n';
-        // });
 
-        // 在光标出插入内容
+        // 获取当前光标位置
+        int cursorPosition = _cursorPosition;
+
+        // 插入文本
+        controller.text = controller.text.substring(0, cursorPosition) +
+            marketingCenterProvider.smsChangeFieldData[i].show +
+            controller.text.substring(cursorPosition);
+
+        print(controller.text);
+
+        // 设置新的光标位置
+        controller.selection = TextSelection.fromPosition(TextPosition(
+            offset: cursorPosition +
+                marketingCenterProvider.smsChangeFieldData[i].show.length,
+            affinity: TextAffinity.downstream));
+        setState(() {
+          _cursorPosition = controller.selection.baseOffset;
+          // cursorPosition = _cursorPosition;
+        });
       }));
     }
     return data;
@@ -380,13 +399,16 @@ class _SmsTemplateSettingPageState extends State<SmsTemplateSettingPage> {
                         ),
                         onChanged: (value) {
                           //添加的代码：光标一直在文本框后面
-                          controller.value = TextEditingValue(
-                              text: controller.text,
-                              selection:
-                                  TextSelection.fromPosition(TextPosition(
-                                affinity: TextAffinity.downstream,
-                                offset: controller.text.length,
-                              )));
+                          // controller.value = TextEditingValue(
+                          //     text: controller.text,
+                          //     selection:
+                          //         TextSelection.fromPosition(TextPosition(
+                          //       affinity: TextAffinity.downstream,
+                          //       offset: controller.text.length,
+                          //     )));
+                          setState(() {
+                            _cursorPosition = controller.selection.baseOffset;
+                          });
                         },
                         onEditingComplete: () {
                           FocusScope.of(context)
@@ -474,11 +496,9 @@ class _SmsTemplateSettingPageState extends State<SmsTemplateSettingPage> {
                             return;
                           }
 
-                          bool canRequest = true;
-                          outerloop:
-                          marketingCenterProvider.smsChangeFieldData
-                              .forEach((element) {
-                            innerloop:
+                          bool canRequest = marketingCenterProvider
+                              .smsChangeFieldData
+                              .every((element) {
                             if (element.times > 0) {
                               int count =
                                   controller.text.split(element.show).length -
@@ -486,23 +506,24 @@ class _SmsTemplateSettingPageState extends State<SmsTemplateSettingPage> {
 
                               if (count != element.times) {
                                 Utils.showToast('${element.show}不符合规范,请检查');
-                                canRequest = false;
-                                break innerloop;
+
+                                return false;
                               }
                             }
+                            return true;
                           });
-                          print(controller.text);
-                          String str = controller.text;
-                          marketingCenterProvider.smsChangeFieldData
-                              .forEach((element) {
-                            if (str.contains(element.show)) {
-                              str = str.replaceAll(element.show, element.code);
-                            }
-                          });
+
                           if (canRequest) {
-                            print(controller.text);
-                            //
-                            _saveSaiYouYunChange(str);
+                            String tempStr = controller.text;
+                            marketingCenterProvider.smsChangeFieldData
+                                .forEach((element) {
+                              if (tempStr.contains(element.show)) {
+                                tempStr = tempStr.replaceAll(
+                                    element.show, element.code);
+                              }
+                            });
+
+                            _saveSaiYouYunChange(tempStr);
                           }
                           print('fffff');
                         } else {