同上

lib/pages/order_management_page.dart

@@ -56,7 +56,7 @@ class QueryWidget extends StatefulWidget { //搜索栏
 }
 
 class _QueryWidgetState extends State < QueryWidget > {
-  GlobalKey _globalKey = GlobalKey();
+  GlobalKey _globalKey = GlobalKey();//搜索栏key
   List < bool > statusList = [true, false, false];
   double inputPostX = 0;
   double inputPostY = 0;
@@ -65,23 +65,6 @@ class _QueryWidgetState extends State < QueryWidget > {
   bool showStatus = true; //提示层显示状态
   String orderNo;
 
-  @override
-  void didUpdateWidget(QueryWidget oldWidget) {
-    // TODO: implement didUpdateWidget
-    super.didUpdateWidget(oldWidget);
-    WidgetsBinding.instance.addPostFrameCallback(fun);
-  }
-
-
-  void fun(Duration timeStamp) {
-    RenderObject inputObj = _globalKey.currentContext.findRenderObject();
-    setState(() {
-      inputWidth = inputObj.paintBounds.size.width;
-      inputHeight = inputObj.paintBounds.size.height;
-      inputPostX = inputObj.getTransformTo(null).getTranslation().x;
-      inputPostY = ScreenUtil.getInstance().setWidth(20) + inputHeight;
-    });
-  }
   @override
   Widget build(BuildContext context) {
     return Stack(
@@ -113,6 +96,15 @@ class _QueryWidgetState extends State < QueryWidget > {
                                 hintStyle: TextStyle(fontSize: ScreenUtil.getInstance().setSp(26), color: Color.fromRGBO(155, 155, 155, 1)),
                                 contentPadding: EdgeInsets.fromLTRB(ScreenUtil.getInstance().setWidth(30), 0, ScreenUtil.getInstance().setWidth(30), 0)
                               ),
+                              onTap: (){
+                                RenderObject inputObj = _globalKey.currentContext.findRenderObject();
+                                setState(() {
+                                  inputWidth = inputObj.paintBounds.size.width;
+                                  inputHeight = inputObj.paintBounds.size.height;
+                                  inputPostX = inputObj.getTransformTo(null).getTranslation().x;
+                                  inputPostY = ScreenUtil.getInstance().setWidth(20) + inputHeight;
+                                });
+                              },
                               onChanged: ((value) {
                                 setState(() {
                                   orderNo = value;