新增删除节点，修复bug 108

src/views/simulation/creation/index.scss

@@ -8,6 +8,9 @@
  .no-padding {
       padding: 0 !important;
     }
+    #delete-btn {
+      width: 16px;
+    }
 
     .header-box {
       display: flex;

src/views/simulation/creation/index.vue

@@ -23,11 +23,42 @@
         </el-select>
       </div>
       <div class="center-box">
+        <el-tooltip
+          effect="dark"
+          content="上一步"
+        >
           <img @click="undoFun(graph)" src="@/assets/imgs/dragFlow/undo.svg" alt="">
+        </el-tooltip>
+        <el-tooltip
+          effect="dark"
+          content="放大画布"
+        >
           <img @click="zoomOutFun(graph)" src="@/assets/imgs/dragFlow/magnify.svg" alt="">
+        </el-tooltip>
+        <el-tooltip
+          effect="dark"
+          content="缩小画布"
+        >
           <img @click="zoomInFun(graph)" src="@/assets/imgs/dragFlow/lessen.svg" alt="">
-        <img title="纵向对齐" @click="yAlign(graph)" src="@/assets/imgs/dragFlow/vertical-center.svg" alt="">
-        <img title="横向对齐" @click="xAlign(graph)" src="@/assets/imgs/dragFlow/lateral-distribution.svg" alt="">
+        </el-tooltip>
+        <el-tooltip
+          effect="dark"
+          content="框选节点垂直居中"
+        >
+          <img @click="yAlign(graph)" src="@/assets/imgs/dragFlow/vertical-center.svg" alt="">
+        </el-tooltip>
+        <el-tooltip
+          effect="dark"
+          content="框选节点横向分布"
+        >
+          <img @click="xAlign(graph)" src="@/assets/imgs/dragFlow/lateral-distribution.svg" alt="">
+        </el-tooltip>
+        <el-tooltip
+          effect="dark"
+          content="框选节点删除"
+        >
+          <img id="delete-btn" @click="deleteFun(graph)" src="@/assets/imgs/dragFlow/delete-black.svg" alt="">
+        </el-tooltip>
       </div>
       <div class="right-box">
         <el-button v-if="operationType !== FLOW_OPERATION_TYPE.UPGRADE" @click="saveDraftFun()">保存草稿</el-button>
@@ -94,7 +125,7 @@ const currentVersion = ref<any>();
 const flowVersionOptions = ref<any[]>([]);
 
 const { drawerVisible, nodeAttribute } = useNodeAttribute();
-const { undoFun, zoomInFun, zoomOutFun, xAlign, yAlign } = useNodeEvents();
+const { undoFun, deleteFun, zoomInFun, zoomOutFun, xAlign, yAlign } = useNodeEvents();
 
 // 注册连线
 // registerCustomConnector();