feat: 拖拽布局-长度，宽度发生变化时处理

demoHtml/flex/js/index.js

@@ -147,6 +147,13 @@
                 handleRemoveComponent(item);
             });
         });
+
+        self['grid'].on('change', function (_event, itemArray) {
+            console.log(itemArray, '这里触发了布局的change事件');
+            itemArray.forEach((item) => {
+                handleChangeComponent(item, self);
+            });
+        });
     };
 
     // 处理添加组件之后的操作
@@ -247,6 +254,15 @@
         });
     };
 
+    var handleChangeComponent = (component) => {
+        if (currentComponent && currentComponent.id === component.id) {
+            let width = component.w * (1920 / 24);
+            $('#width').val(width);
+            let height = component.h * cellHeight * 2;
+            $('#height').val(height);
+        }
+    };
+
     var handleRemoveComponent = (component) => {
         if (currentComponent && currentComponent.id === component.id) {
             currentComponent = null;