添加submenu组件

public/app/widget/submenu.js

@@ -0,0 +1,31 @@
+function submenu_init(obj,param){
+    let html = "";
+    <div class="submenu" >
+		<p class="submenu_title" onclick="submenu_show_detail(this)">
+			样式
+            <svg class="icon" style="transform: rotate(0deg);">
+				<use xlink:href="../studio/svg/icon.svg#ic_add"></use>
+			</svg>
+		</p>
+		<div class="submenu_details hidden" style="max-height: 0px; padding: 0px; opacity: 0;">
+
+		</div>
+	</div>
+}
+
+function submenu_show_detail(obj) {
+	eParent = obj.parentNode;
+	var x = eParent.getElementsByTagName("div");
+	var o = obj.getElementsByTagName("svg");
+	if (x[0].style.maxHeight == "200em") {
+		x[0].style.maxHeight = "0px";
+		x[0].style.padding = "0px";
+		x[0].style.opacity = "0";
+		o[0].style.transform = "rotate(0deg)";
+	} else {
+		x[0].style.maxHeight = "200em";
+		x[0].style.padding = "10px";
+		x[0].style.opacity = "1";
+		o[0].style.transform = "rotate(45deg)";
+	}
+}