增加穿梭组件上下移事件

packages/grp-transfer/src/main.vue

@@ -203,12 +203,14 @@ export default {
       let oldIndex = this.value.indexOf(currentItem[this.props.key]);
       let newIndex = oldIndex - 1;
       this.value.splice(newIndex, 0, this.value.splice(oldIndex, 1)[0]);
+      this.$emit('move', { oldIndex, newIndex, currentItem, type: 'up' });
     },
     moveDown() {
       let currentItem = this.$refs.rightPanel.getCurrentItem();
       let oldIndex = this.value.indexOf(currentItem[this.props.key]);
       let newIndex = oldIndex + 1;
       this.value.splice(newIndex, 0, this.value.splice(oldIndex, 1)[0]);
+      this.$emit('move', { oldIndex, newIndex, currentItem, type: 'down' });
     },
     addToLeft() {
       let currentValue = this.value.slice();