井筒--拖拽列

vue/src/views/wellinfo/table.ts

@@ -19,8 +19,10 @@ const dragEnter = (e) => {
   if (state.dragIndex != -1 && state.dragIndex != index) {
 
     let newItems = [...filterColumns.value];
+    //鼠标开始拖动的列
     const dragItem = filterColumns.value[state.dragIndex];
     const dragKey = dragItem.key == undefined ? "" : dragItem.key.toString();
+    //当前要移动的列
     const moveItem = filterColumns.value[index];
     const moveKey = moveItem.key == undefined ? "" : moveItem.key.toString();