feat: webCanvas增加设置renderContent函数&clear函数 (#327)

* chore: 修改变量名为skipUpdate

* feat: 增加clear方法

* chore: 去掉空{}

---------

Co-authored-by: xuying.xu <[email protected]>

Author: tangying1027

packages/f-my/src/web.tsx

@@ -41,9 +41,10 @@ Component({
       this.props.onHandleRef({
         setRenderContent: this.setRenderConetent.bind(this),
         updateChart: this.updateChart.bind(this),
+        clear: this.clear.bind(this),
       });
 
-    this.createChart({});
+    this.createChart();
   },
 
   didUpdate() {
@@ -112,7 +113,7 @@ Component({
 
     updateChart() {
       this.clear();
-      this.createChart();
+      this.createChart({});
     },
 
     setRenderConetent(renderContent) {